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    Storico dei cambiamenti

    Le seguenti modifiche sono state apportate alle funzioni delle estensioni del pacchetto.

    VersionFunctionDescription
    PHP 5.2.2DOMDocument::registerNodeClassPrior to 5.2.2, a previously registered extendedclass had to be unregistered before being able to register a new class extending the same baseclass.
    8.0.0 / 1.18.1ZipArchive::addGlob"comp_method", "comp_flags", "enc_method" and "enc_password" in options were added.
    8.0.0 / 1.18.0ZipArchive::addEmptyDirflags was added.
     ZipArchive::addFileflags was added.
     ZipArchive::addFromStringflags was added.
     ZipArchive::addGlob"flags" in options was added.
     ZipArchive::getStatusStringThis method can be called on closed archive.
    8.0.0mb_parse_strThe second parameter was no longer optional.
    7.4.4proc_openAdded the create_new_console option to the other_options parameter.
    7.4.0fputcsvThe escape_char parameter now also accepts an empty string to disable the proprietary escape mechanism.
     idn_to_asciiThe default value of variant is now INTL_IDNA_VARIANT_UTS46 instead of the deprecated INTL_IDNA_VARIANT_2003.
     idn_to_utf8The default value of variant is now INTL_IDNA_VARIANT_UTS46 instead of the deprecated INTL_IDNA_VARIANT_2003.
     imagecropautoThe behavior of imagecropauto() in the bundled libgd has been synced with that of system libgd: IMG_CROP_DEFAULT no longer falls back to IMG_CROP_SIDES and threshold-cropping now uses the same algorithm as system libgd.
     imagecropautoThe default value of mode has been changed to IMG_CROP_AUTO. Formerly, the default value has been -1 which corresponds to IMG_CROP_DEFAULT, but passing -1 is now deprecated.
     imagefilterScatter support (IMG_FILTER_SCATTER) was added.
     ldap_control_paged_resultThis function has been deprecated.
     ldap_control_paged_result_responseThis function has been deprecated.
     password_hashThe algo parameter expects a string now, but still accepts integers for backward compatibility.
     password_needs_rehashThe algo parameter expects a string now, but still accepts integers for backward compatibility.
     proc_openproc_open now also accepts an array for the cmd.
     proc_openAdded the create_process_group option to the other_options parameter.
     str_getcsvThe escape parameter now interprets an empty string as signal to disable the proprietary escape mechanism. Formerly, an empty string was treated like the default parameter value.
     SplFileObject::fgetcsvThe escape parameter now also accepts an empty string to disable the proprietary escape mechanism.
     SplFileObject::fputcsvThe escape parameter now also accepts an empty string to disable the proprietary escape mechanism.
     SplFileObject::fwriteThe function now returns FALSE instead of zero on failure.
     SplFileObject::getCsvControlThe escape character can now be an empty string.
     SplFileObject::setCsvControlThe escape parameter now also accepts an empty string to disable the proprietary escape mechanism.
     SQLite3Stmt::bindParamsql_param now also supports the @param notation.
     SQLite3Stmt::bindValuesql_param now also supports the @param notation.
    7.3.14, 7.4.2dba_openThe lmdb driver now supports an additional $mapsize parameter.
    7.3.0DateTime::createFromFormatThe v format specifier has been added.
     is_countableis_countable has been added.
     json_decodeJSON_THROW_ON_ERROR options was added.
     json_encodeJSON_THROW_ON_ERROR options was added.
     mb_convert_caseAdded support for MB_CASE_FOLD, MB_CASE_UPPER_SIMPLE, MB_CASE_LOWER_SIMPLE, MB_CASE_TITLE_SIMPLE, and MB_CASE_FOLD_SIMPLE as mode.
     password_hashSupport for Argon2id passwords using PASSWORD_ARGON2ID was added.
     setcookieAn alternative signature supporting an options array has been added. This signature supports also setting of the SameSite cookie attribute.
     setrawcookieAn alternative signature supporting an options array has been added. This signature supports also setting of the SameSite cookie attribute.
    7.3ldap_addSupport for serverctrls added
     ldap_compareSupport for serverctrls added
     ldap_deleteSupport for serverctrls added
     ldap_exopSupport for serverctrls added
     ldap_exop_passwdSupport for serverctrls added
     ldap_listSupport for serverctrls added
     ldap_mod_addSupport for serverctrls added
     ldap_mod_delSupport for serverctrls added
     ldap_mod_replaceSupport for serverctrls added
     ldap_modify_batchSupport for serverctrls added
     ldap_parse_resultSupport for serverctrls added
     ldap_readSupport for serverctrls added
     ldap_renameSupport for serverctrls added
     ldap_searchSupport for serverctrls added
    7.2.19, 7.3.6SplFileObject::__toStringChanged from an alias of SplFileObject::current to an alias of SplFileObject::fgets.
    7.2.0date_parseThe zone element of the returned array represents seconds instead of minutes now, and its sign is inverted. For instance -120 is now 7200.
     date_parse_from_formatThe zone element of the returned array represents seconds instead of minutes now, and its sign is inverted. For instance -120 is now 7200.
     exif_read_dataSupport for the following EXIF formats were added: Samsung DJI Panasonic Sony Pentax Minolta Sigma/Foveon AGFA Kyocera Ricoh Epson
     exif_read_dataThe filename parameter was renamed to stream and now supports both local files or stream resources.
     exif_thumbnailThe filename parameter was renamed to stream and now supports both local files or stream resources.
     hash_copyAccept and return HashContext instead of resource.
     hash_finalAccept HashContext instead of resource.
     hash_hmacUsage of non-cryptographic hash functions (adler32, crc32, crc32b, fnv132, fnv1a32, fnv164, fnv1a64, joaat) was disabled.
     hash_hmac_fileUsage of non-cryptographic hash functions (adler32, crc32, crc32b, fnv132, fnv1a32, fnv164, fnv1a64, joaat) was disabled.
     hash_initUsage of non-cryptographic hash functions (adler32, crc32, crc32b, fnv132, fnv1a32, fnv164, fnv1a64, joaat) with HASH_HMAC was disabled.
     hash_initReturn HashContext instead of resource.
     hash_pbkdf2Usage of non-cryptographic hash functions (adler32, crc32, crc32b, fnv132, fnv1a32, fnv164, fnv1a64, joaat) was disabled.
     hash_updateAccept HashContext instead of resource.
     hash_update_fileAccept HashContext instead of resource.
     hash_update_streamAccept HashContext instead of resource.
     idn_to_asciiINTL_IDNA_VARIANT_2003 has been deprecated; use INTL_IDNA_VARIANT_UTS46 instead.
     idn_to_utf8INTL_IDNA_VARIANT_2003 has been deprecated; use INTL_IDNA_VARIANT_UTS46 instead.
     imageantialiasimageantialias is now generally available. Formerly it was only available if PHP was compiled with the bundled version of the GD library.
     imagegdimagegd now allows to output truecolor images. Formerly, these have been implicitly converted to palette.
     imagelayereffectAdded IMG_EFFECT_MULTIPLY (requires system libgd >= 2.1.1 or the bundled libgd).
     imagetypesIMG_BMP added.
     json_decodeJSON_INVALID_UTF8_IGNORE, and JSON_INVALID_UTF8_SUBSTITUTE options were added.
     json_encodeJSON_INVALID_UTF8_IGNORE, and JSON_INVALID_UTF8_SUBSTITUTE options were added.
     mb_check_encodingThis function now also accepts an array as var. Formerly, only strings have been supported.
     mb_convert_encodingThis function now also accepts an array as val. Formerly, only strings have been supported.
     mb_parse_strCalling mb_parse_str without the second parameter was deprecated.
     mb_send_mailThe additional_headers parameter now also accepts an array.
     openssl_pkcs7_verifyThe p7bfilename parameter was added.
     packfloat and double types supports both Big Endian and Little Endian.
     password_hashSupport for Argon2i passwords using PASSWORD_ARGON2I was added.
     proc_niceThis function is now available on Windows.
     read_exif_dataThis function alias was deprecated.
     session_abortThe return type of this function is bool now. Formerly, it has been void.
     session_resetThe return type of this function is bool now. Formerly, it has been void.
     unpackfloat and double types supports both Big Endian and Little Endian.
     PDOStatement::debugDumpParamsPDOStatement::debugDumpParams now returns the SQL sent to the database, including the full, raw query (including the replaced placeholders with their bounded values). Note, that this will only be available if emulated prepared statements are turned on.
     SQLite3::openBlobThe flags parameter has been added, allowing to write BLOBs; formerly only reading was supported.
    7.1.5IntlDateFormatter::formatSupport for providing general DateTimeInterface objects to the value parameter was added. Formerly, only proper DateTime objects were supported.
    7.1.4PDO::sqliteCreateFunctionThe flags parameter has been added.
     SQLite3::createFunctionThe flags parameter has been added.
    7.1.0DateInterval::formatThe F and f format characters were added.
     DateTime::setTimeThe microsecond parameter was added.
     curl_multi_setoptIntroduced CURLMOPT_PUSHFUNCTION.
     exif_imagetypeAdded WebP support.
     get_headersThe context parameter was added.
     getimagesizeAdded WebP support.
     grapheme_extractSupport for negative starts has been added.
     grapheme_striposSupport for negative offsets has been added.
     grapheme_strposSupport for negative offsets has been added.
     hash_algosSupport for sha512/224, sha512/256, sha3-224, sha3-256, sha3-384 and sha3-512 has been added.
     iconv_strposSupport for negative offsets has been added.
     json_decodeAn empty JSON key ("") can be encoded to the empty object property instead of using a key with value _empty_.
     json_encodeserialize_precision is used instead of precision when encoding double values.
     json_encodeJSON_UNESCAPED_LINE_TERMINATORS options was added.
     mb_eregmb_ereg will now set regs to an empty array, if nothing matched. Formerly, regs was not modified in that case.
     mb_ereg_replaceThe e modifier has been deprecated.
     mb_ereg_search_setposSupport for negative positions has been added.
     mb_eregimb_eregi will now set regs to an empty array, if nothing matched. Formerly, regs was not modified in that case.
     mb_eregi_replaceThe e modifier has been deprecated.
     mb_strimwidthSupport for negative starts and widths has been added.
     mb_striposSupport for negative offsets has been added.
     mb_strposSupport for negative offsets has been added.
     openssl_csr_newconfigargs now also supports curve_name.
     openssl_decryptThe tag and aad parameters were added.
     openssl_encryptThe tag, aad and tag_length parameters were added.
     openssl_pkey_newThe curve_name configarg was added to make it possible to create EC keys.
     output_add_rewrite_varBefore PHP 7.1.0, rewrite vars set by output_add_rewrite_var use the same Session module trans sid output buffer. Since PHP 7.1.0, dedicated output buffer is used, url_rewriter.tags is used solely for output functions, url_rewriter.hosts is added.
     output_reset_rewrite_varsBefore PHP 7.1.0, rewrite vars set by output_add_rewrite_var use the same Session module trans sid output buffer. Since PHP 7.1.0, dedicated output buffer is used and output_reset_rewrite_vars only removes rewrite vars defined by output_add_rewrite_var.
     pcntl_signalAs of PHP 7.1.0 the handler callback is given a second argument containing the signinfo of the specific signal. This data is only supplied if the operating system has the signinfo_t structure. If the OS does not implement siginfo_t NULL is supplied.
     pcntl_signal_get_handlerpcntl_signal_get_handler has been added.
     unpackThe optional offset has been added.
    7.1DateTime::__constructFrom now on microseconds are filled with actual value. Not with '00000'.
    7.0.16, 7.1.2dns_get_recordAdded support for CAA record type.
    7.0.15, 7.1.1get_defined_functionsThe exclude_disabled parameter has been added.
    7.0.15,7.1.1packThe "e", "E", "g" and "G" codes were added to enable byte order support for float and double.
    7.0.11iconv_substrIf str is equal to offset characters long, an empty string will be returned. Prior to this version, FALSE was returned in this case.
    7.0.10SQLite3::__constructThe filename can now be empty to use a private, temporary on-disk database.
    7.0.7curl_multi_setoptIntroduced CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE, CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE, CURLMOPT_MAX_HOST_CONNECTIONS, CURLMOPT_MAX_PIPELINE_LENGTH and CURLMOPT_MAX_TOTAL_CONNECTIONS.
    7.0.0array_columnAdded the ability for the input parameter to be an array of objects.
     assertassert è ora un costrutto del linguaggio e non una funzione. assertion ora può essere usata come un'espressione. Il secondo parametro è ora interpretato o come un exception (se viene passato un oggettoThrowable), o come la description supportato da PHP 5.4.8 in poi.
     imagepsbboxT1Lib support was removed from PHP, thus this function was removed.
     imagepsencodefontT1Lib support was removed from PHP, thus this function was removed.
     imagepsextendfontT1Lib support was removed from PHP, thus this function was removed.
     imagepsfreefontT1Lib support was removed from PHP, thus this function was removed.
     imagepsloadfontT1Lib support was removed from PHP, thus this function was removed.
     imagepsslantfontT1Lib support was removed from PHP, thus this function was removed.
     imagepstextT1Lib support was removed from PHP, thus this function was removed.
     is_numericLe stringhe nella notazione esadecimale (per esempio 0xf4c3b00c) non sono più considerate come stringhe numeriche, ovvero is_numeric ora restituisce FALSE.
     json_decodeAn empty PHP string or value that after casting to string is an empty string (NULL, FALSE) results in JSON syntax error.
     json_decodeRejected RFC 7159 incompatible number formats - top level (07, 0xff, .1, -.1) and all levels ([1.], [1.e1])
     listL'ordine di esecuzione delle operazioni di assegnazione è cambiato.
     listLe stringhe non possono più essere spacchettate.
     listLe espressioni list non possono più essere completamente vuote.
     ob_startIn case ob_start is used inside an output buffer callback, this function will no longer issue an E_ERROR but instead an E_RECOVERABLE_ERROR, allowing custom error handlers to catch such errors.
     openssl_openThe iv has been added.
     openssl_sealThe iv has been added.
     proc_openAdded the blocking_pipes option to the other_options parameter.
     session_regenerate_idsession_regenerate_id saves old session data before closing.
     setlocaleIl supporto per il parametro category passato come una stringa è stato rimosso. Solo le costanti LC_* possono essere usate in questa versione.
     token_get_allAdded the optional flags parameter along with the TOKEN_PARSE flag.
     IntlDateFormatter::setTimeZoneIdThis function has been removed.
    6error_reportingE_STRICT è diventata parte di E_ALL.
    5.6.25, 7.0.10imagetypesIMG_WEBP added.
     SplFileObject::getCsvControlAdded the escape character to the returned array.
    5.6.16mysqli::real_connectAdded the MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT flag for MySQL Native Driver
    5.6.12gd_infoWebP Support added.
    5.6.6json_encodeJSON_PRESERVE_ZERO_FRACTION options was added.
    5.6.3packThe "q", "Q", "J" and "P" codes were added to enable working with 64-bit numbers.
    5.6.0curl_setoptRimosso CURLOPT_CLOSEPOLICY e i suoi valori associati.
     curl_setoptCURLOPT_SAFE_UPLOAD è ora TRUE per impostazione predefinita.
     hash_algosSupport for gost-crypto was added. This implements the GOST hash function using the CryptoPro S-box tables as specified by RFC 4357, section 11.2.
     json_decodeInvalid non-lowercased variants of the true, false and null literals are no longer accepted as valid input, and will generate warnings.
     mb_regex_encodingDefault encoding is changed to UTF-8. It was EUC-JP Previously.
     mcrypt_create_ivMCRYPT_DEV_URANDOM is now the default value of source.
     mcrypt_decryptInvalid key and iv sizes are no longer accepted. mcrypt_decrypt will now throw a warning and return FALSE if the inputs are invalid. Previously keys and IVs were padded with '\0' bytes to the next valid size.
     mcrypt_encryptInvalid key and iv sizes are no longer accepted. mcrypt_encrypt will now throw a warning and return FALSE if the inputs are invalid. Previously keys and IVs were padded with '\0' bytes to the next valid size.
     pg_lo_truncateAdded truncate function. It supports PostgreSQL 9.3's 64bit large object. Both client and server must support PostgreSQL 9.3 and PHP must be 64bit build to use 64bit large object.
     stream_socket_enable_cryptoThe crypto_type is now optional.
     stream_socket_enable_cryptoIntroduce STREAM_CRYPTO_METHOD_ANY_CLIENT, STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT, STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT, STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT, STREAM_CRYPTO_METHOD_ANY_SERVER, STREAM_CRYPTO_METHOD_TLSv1_0_SERVER, STREAM_CRYPTO_METHOD_TLSv1_1_SERVER, STREAM_CRYPTO_METHOD_TLSv1_2_SERVER.
     ReflectionClass::newInstanceWithoutConstructorAll internal classes can now be instantiated except for those declared final.
     XMLReader::getAttributeNoXMLReader::getAttributeNo now returns NULL if the attribute doesn't exist.
     XMLReader::getAttributeNsXMLReader::getAttributeNS now returns NULL if the attribute doesn't exist.
    5.5.22, 5.6.6SplFileObject::flockAdded support for the wouldblock parameter on Windows.
    5.5.21, 5.6.5SplFileObject::fputcsvAdded the escape parameter.
    5.5.19/5.6.3imagescaleThe calculation of the height if new_height was negative or omitted was fixed; prior to these versions, the aspect ratio was not maintained correctly.
    5.5.19, 5.6.3DateTimeZone::getOffsetdatetime type changed to DateTimeInterface. Previously, DateTime.
    5.5.10DateTimeZone::__constructThe timezone parameter accepts offset values.
    5.5.8DatePeriod::__constructend type changed to DateTimeInterface. Previously, DateTime.
    5.5.4fputcsvThe escape_char parameter was added
    5.5.2DOMDocument::schemaValidateAdded the flags parameter
     DOMDocument::schemaValidateSourceAdded the flags parameter
    5.5.1hex2binA warning is thrown if the input string is invalid hexadecimal string.
    5.5.0/PECL 3.0.0IntlDateFormatter::createAn IntlCalendar object is allowed for calendar. Objects of type IntlTimeZone and DateTimeZone are allowed for timezone. Invalid timezone identifiers (including empty strings) are no longer allowed for timezone. If NULL is given for timezone, the timezone identifier given by date_default_timezone_get will be used instead of ICUʼs default.
     IntlDateFormatter::formatSupport for providing IntlCalendar objects to the value parameter was added.
     IntlDateFormatter::setCalendarIt became possible to pass an IntlCalendar object.
    5.5.0DatePeriod::__constructstart type changed to DateTimeInterface. Previously, DateTime.
     curl_setoptIntrodotto CURLOPT_SHARE.
     curl_setoptAggiunta la risorsa cURL come primo argomento alla callback CURLOPT_PROGRESSFUNCTION.
     emptyempty ora supporta le espressioni, piuttosto che solo variabili.
     imagerotateThis function is now affected by the interpolation method set by the imagesetinterpolation function.
     imagerotateThe ignore_transparent is now silently ignored.
     iterator_to_arrayiterator_to_array gained support for key types other than integer and string when the use_keys parameter is enabled.
     json_encodeThe return value on failure was changed from null string to FALSE.
     json_encodeE_WARNING is no longer emitted for an invalid value.
     json_encodeJSON_PARTIAL_OUTPUT_ON_ERROR options was added.
     json_encodedepth parameter was added.
     json_encodeWhen value triggers a JSON encoding error, FALSE is returned instead of partial output, unless options contains JSON_PARTIAL_OUTPUT_ON_ERROR. See json_last_error for the full list of reasons that can cause JSON encoding to fail. One of the potential failure reasons is that value contains strings containing invalid UTF-8.
     packThe "Z" code was added with equivalent functionality to "a" for Perl compatibility.
     set_error_handlererror_handler ora accetta NULL.
     setcookieA Max-Age attribute is now included in the Set-Cookie header sent to the client.
     setrawcookieA Max-Age attribute is now included in the Set-Cookie header sent to the client.
     unpackChanges were made to bring this function into line with Perl: The "a" code now retains trailing NULL bytes. The "A" code now strips all trailing ASCII whitespace (spaces, tabs, newlines, carriage returns, and NULL bytes). The "Z" code was added for NULL-padded strings, and removes trailing NULL bytes.
     IntlDateFormatter::setTimeZoneIdThis function has been deprecated.
     mysqli::commitAdded flags and name parameters.
     mysqli::optionsThe MYSQLI_SERVER_PUBLIC_KEY option was added.
     mysqli::rollbackAdded flags and name parameters.
     SoapClient::SoapClientNew ssl_method option.
    5.4.8assertÈ stato aggiunto il parametro description. La description è anche ora fornita ad una funzione di callback in modalità ASSERT_CALLBACK come quarto parametro.
     mb_strcutPassing NULL as length extracts all bytes to the end of the string. Prior to this version NULL was treated the same as 0.
     mb_substrPassing NULL as length extracts all characters to the end of the string. Prior to this version NULL was treated the same as 0.
    5.4.7curl_getinfoIntrodotte CURLINFO_PRIMARY_IP, CURLINFO_PRIMARY_PORT, CURLINFO_LOCAL_IP e CURLINFO_LOCAL_PORT.
     parse_urlFixed host recognition when scheme is omitted and a leading component separator is present.
    5.4.4hex2binA warning is thrown if the input string is of odd length. In PHP 5.4.0 the string was silently accepted, but the last byte was truncated.
    5.4.0/PECL 2.0.0b1idn_to_asciiAdded the parameters variant and idna_info; UTS #46 support (requires ICU ≥ 4.6).
     idn_to_utf8Added the parameters variant and idna_info; UTS #46 support (requires ICU ≥ 4.6).
    5.4.0DOMDocument::loadHTMLAdded options parameter.
     DOMDocument::loadHTMLFileAdded options parameter.
     apache_child_terminateQuesta funzione diventa disponibile sotto FastCGI. Precedentemente, era supportata solo quando PHP era installato come modulo Apache.
     array_combineLe precedenti versioni generavano un E_WARNING e restituivano FALSE per gli array vuoti.
     array_multisortLe costanti SORT_NATURAL e SORT_FLAG_CASE sonon state aggiunte a array1_sort_flags come flag di tipo.
     date_default_timezone_getThe timezone is no longer guessed from information available through the operating system as the guessed timezone can not be relied on.
     date_default_timezone_getThe TZ environment variable is no longer used to guess the timezone.
     dns_get_recordAdded raw parameter.
     emptyIl controllo su offset non numerici di stringhe restituisce TRUE.
     filter_input_arrayAdded add_empty parameter.
     filter_var_arrayAdded add_empty parameter.
     gzcompressAggiunto il parametro encoding.
     hashThe tiger algorithm now uses big-endian byte ordering. See also example below.
     hash_algosSupport for joaat, fnv132 and fnv164 was added. Support for Salsa10 and Salsa20 was removed.
     htmlspecialchars_decodeThe constants ENT_HTML401, ENT_XML1, ENT_XHTML and ENT_HTML5 were added.
     http_build_queryThe enc_type parameter was added.
     iconvDa questa versione, la funzione restituisce FALSE in caso di caratteri illegali, a meno che non venga specificato //IGNORE nel charset di output. Prima, questa funzione restituiva una stringa di output parziale.
     imagecolorsetThe alpha parameter was added.
     imagegdAdded support for passing a stream resource to to.
     imagegd2Added support for passing a stream resource to to.
     imagegifAdded support for passing a stream resource to to.
     imagejpegDisallowed passing an empty string to to to skip this argument.
     imagejpegAdded support for passing a stream resource to to.
     imagepngAdded support for passing a stream resource to to.
     imagewbmpAdded support for passing a stream resource to to.
     issetIl controllo su offset di stringhe non numerici ora restituisce FALSE.
     json_decodeThe options parameter was added.
     json_decodeJSON_BIGINT_AS_STRING, and JSON_OBJECT_AS_ARRAY options were added.
     json_encodeJSON_PRETTY_PRINT, JSON_UNESCAPED_SLASHES, and JSON_UNESCAPED_UNICODE options were added.
     mb_decode_numericentityAdded is_hex parameter.
     mb_encode_numericentityAdded is_hex parameter.
     mysqli_get_cache_statsThe mysqli_get_cache_stats was removed.
     ob_startThe third parameter of ob_start changed from a boolean parameter called erase (which, if set to FALSE, would prevent the output buffer from being deleted until the script finished executing) to an integer parameter called flags. Unfortunately, this results in an API compatibility break for code written prior to PHP 5.4.0 that uses the third parameter. See the flags example for an example of how to handle this with code that needs to be compatible with both.
     ob_startA chunk size of 1 now results in chunks of 1 byte being sent to the output buffer.
     openssl_decryptThe raw_output was changed to options.
     openssl_encryptThe raw_output was changed to options.
     scandirsorting_order constants were added. Any nonzero value caused descending order in previous versions. So for all PHP versions, use 0 for ascending order, and 1 for descending order. An option for SCANDIR_SORT_NONE behavior did not exist prior to PHP 5.4.0.
     snmp_set_valueretrievalConstants SNMP_VALUE_PLAIN or SNMP_VALUE_LIBRARY may be combined with SNMP_VALUE_OBJECT resulting different way of representing contents of value array element in return value of GET-function. If no SNMP_VALUE_{PLAIN,LIBRARY} constant is accompanying SNMP_VALUE_OBJECT, SNMP_VALUE_LIBRARY is used. Prior to 5.4.0 SNMP_VALUE_OBJECT effecively meant SNMP_VALUE_OBJECT|SNMP_VALUE_PLAIN.
     PDOStatement::getColumnMetaPDO_DBLIB driver support added
     Phar::setStubAdded len parameter.
     PharData::setStubAdded len parameter.
     SimpleXMLElement::getDocNamespacesAdded from_root parameter.
     SoapClient::SoapClientNew keep_alive option.
    5.4grapheme_substrIf length is given and positive and the argument string is shorter than the specified length, all the rest of the string according to start parameter is returned. Previously, FALSE was returned.
    5.3.19imagecreatefromxpmimagecreatefromxpm is available on Windows.
    5.3.15, 5.4.5Collator::getSortKeySort keys do no longer contain any NUL bytes.
    5.3.9DateTime::createFromFormatThe + format specifier has been added.
     is_aAggiunto il parametro allow_string
     is_subclass_ofAggiunto il parametro allow_string
    5.3.7curl_getinfoIntrodotto CURLINFO_REDIRECT_URL.
     is_subclass_ofAggiunto il supporto per class_name per funzionare come le interfacce
    5.3.6DateTime::modifyAbsolute date/time statements now take effect. Previously, only relative parts were used.
     DOMDocument::saveHTMLThe node parameter was added.
     array_productThe product of an empty array is now 1, when before this function would return 0 for an empty array.
     PDO_MYSQL DSNPrior to version 5.3.6, charset was ignored.
    5.3.4rawurlencodeTilde characters are no longer encoded when rawurlencode is used with EBCDIC strings.
     sleepPrima di PHP 5.3.4 in Windows, sleep ritorna sempre NULL quando è eseguita, a prescindere dal fatto che sia stata interrotta o meno.
     IntlDateFormatter::formatSupport for providing DateTime objects to the value parameter was added.
     mysqli_driver::$report_modeChanging the reporting mode is now be per-request, rather than per-process.
    5.3.3DOMXPath::evaluateThe registerNodeNS parameter was added.
     DOMXPath::queryThe registerNodeNS parameter was added.
     imap_fetch_overviewAdd the udate property.
     json_encodeJSON_NUMERIC_CHECK options was added.
     ldap_sasl_bindSupport on Windows was added.
     openssl_decryptThe iv parameter was added.
     openssl_encryptThe iv parameter was added.
     parse_urlRemoved the E_WARNING that was emitted when URL parsing failed.
    5.3.2 (PECL OCI8 1.4)oci_set_prefetchBefore this release, rows must be >= 1.
    5.3.2imap_appendAdded INTERNALDATE support to imap_append.
     imap_openparams added
     SplFileObject::flockThe automatic unlocking when the file's resource handle is closed was removed. Unlocking now always has to be done manually.
    5.3.0 (PECL OCI8 1.3.4)oci_set_prefetchBefore this release, prefetching was limited to the lesser of rows rows and 1024 * rows bytes. The byte size restriction has now been removed.
    5.3.0DateTime::__constructIf datetime contains an invalid date/time format, then an exception is now thrown. Previously an error was emitted.
     DateTime::modifyModificato il valore di ritorno in caso di successo da NULL a DateTime.
     DateTime::setDateModificato il valore di ritorno in caso di successo da NULL a DateTime.
     DateTime::setISODateModificato il valore di ritorno in caso di successo da NULL a DateTime.
     DateTime::setTimeModificato il valore di ritorno in caso di successo da NULL a DateTime.
     DateTime::setTimezoneModificato il valore di ritorno in caso di successo da NULL a DateTime.
     DateTimeZone::getTransitionsThe optional timestampBegin and timestampEnd were added.
     DateTimeZone::listIdentifiersAdded the optional timezoneGroup and countryCode parameters.
     DirectoryIterator::__constructThrows UnexpectedValueException if the path cannot be opened.
     array_multisortLa costante SORT_LOCALE_STRING è stata aggiunta a array1_sort_flags come flag di tipo.
     call_user_funcThe interpretation of object oriented keywords like parent and self has changed. Previously, calling them using the double colon syntax would emit an E_STRICT warning because they were interpreted as static.
     call_user_funcIf the called function expects a parameter to be passed by reference, an E_WARNING is now issued.
     call_user_func_arrayThe interpretation of object oriented keywords like parent and self has changed. Previously, calling them using the double colon syntax would emit an E_STRICT warning because they were interpreted as static.
     curl_setoptIntrodotto CURLOPT_PROGRESSFUNCTION.
     date_default_timezone_setNow throws E_WARNING rather than E_STRICT.
     dns_get_recordThis function is now available on Windows platforms.
     dns_get_recordPrior to this release, if the authns parameter was given, the addtl parameter was also required.
     exif_imagetypeAdded icon support.
     fnmatchThis function is now available on Windows platforms.
     func_get_argThis function can now be used in parameter lists.
     func_get_argIf this function is called from the outermost scope of a file which has been included by calling include or require from within a function in the calling file, it now generates a warning and returns FALSE.
     func_get_argsIf this function is called from the outermost scope of a file which has been included by calling include or require from within a function in the calling file, it now generates a warning and returns FALSE.
     func_get_argsThis function can now be used in parameter lists.
     func_num_argsIf this function is called from the outermost scope of a file which has been included by calling include or require from within a function in the calling file, it now generates a warning and returns -1.
     func_num_argsThis function can now be used in parameter lists.
     gd_infoJPG Support attribute renamed to JPEG Support.
     get_classNULL è diventato il valore di default per object, quindi passare NULL a object ora ha lo stesso risultato di non passare nessun valore.
     get_object_varsQuesta funzione ora restituisce NULL se object non è un oggetto. In precedenza veniva restituito FALSE.
     getimagesizeAdded icon support.
     hash_algosSupport for md2, ripemd256, ripemd320, salsa10, salsa20, snefru256 and sha224 was added
     imagecolorclosesthwbThis function is now available on Windows
     imagefilterPixelation support (IMG_FILTER_PIXELATE) was added.
     inet_ntopThis function is now available on Windows platforms.
     inet_ptonThis function is now available on Windows platforms.
     is_aQuesta funzione non è più deprecata, e quindi non genererà warning E_STRICT.
     json_decodeAdded the optional depth. The default recursion depth was increased from 128 to 512
     json_encodeThe options parameter was added.
     json_encodeJSON_FORCE_OBJECT, JSON_HEX_AMP, JSON_HEX_APOS, JSON_HEX_QUOT, and JSON_HEX_TAG, options were added.
     mb_get_infoThe entry "http_output_conv_mimetypes" was made available.
     mcrypt_create_ivIt is no longer required to call srand first. This is now done automatically.
     mcrypt_create_ivMCRYPT_DEV_RANDOM and MCRYPT_DEV_URANDOM became available on Windows platforms.
     mysqli_get_cache_statsThe mysqli_get_cache_stats was added as stub.
     openssl_openThe method has been added.
     openssl_sealThe method has been added.
     property_existsThis function checks the existence of a property independent of accessibility.
     rawurlencodeNow conforms to RFC 3986.
     register_tick_functionTicks are now supported on threaded web server modules.
     setlocaleQuesta funzione emette un avviso E_DEPRECATED se una stringa è passata al parametro category invece che una delle costanti LC_*.
     spl_autoload_registerNamespaces support was introduced.
     spl_autoload_registerThe prepend parameter was added.
     stream_context_createAdded the optional params argument.
     stream_socket_pairThis function is now available on Windows platforms.
     strtotimePrima di PHP 5.3.0, i formati del tempo relativi forniti all'argomento time di strtotime come this week, previous week, last week, e next week erano interpretati per intendere un periodo di 7 giorni relativo alla data/ora corrente, invece di un periodo settimanale di Monday a Sunday.
     strtotimePrima di PHP 5.3.0, 24:00 non era un formato valido e strtotime restituiva FALSE.
     sybase_connectThe new parameter was added.
     time_nanosleepThis function is now available on Windows platforms.
     time_sleep_untilThis function is now available on Windows platforms.
     mysqli::__constructAdded the ability of persistent connections.
     mysqli::optionsThe MYSQLI_OPT_INT_AND_FLOAT_NATIVE, MYSQLI_OPT_NET_CMD_BUFFER_SIZE, MYSQLI_OPT_NET_READ_BUFFER_SIZE, and MYSQLI_OPT_SSL_VERIFY_SERVER_CERT options were added.
     mysqli::queryAdded the ability of async queries.
     PDO::__constructClasses which extends PDO and implements the __call magic method will now receive the method name in the declared casing. Previously this was always lower case.
     ReflectionFunction::__constructname can now be a closure.
     SplFileObject::setCsvControlAdded the escape parameter.
     SplObjectStorage::attachAdded the data parameter.
     XMLReader::expandThe parameter basenode was added.
    5.2.15mysqli_driver::$report_modeChanging the reporting mode is now be per-request, rather than per-process.
    5.2.10curl_setoptIntrodotto CURLOPT_PROTOCOLS, e CURLOPT_REDIR_PROTOCOLS.
    5.2.8XSLTProcessor::importStylesheetAccepts SimpleXMLElement again which was broken since PHP 5.2.6.
    5.2.7error_logAggiunto il valore 4 per message_type
     strtotimeIn PHP 5 precedente a 5.2.7, richiedere una data occorrenza di un dato giorno della settimana in un mese dove il giorno della settimana era il primo giorno del mese aggiungerebbe in modo scorretto una settimana al timestamp restituito. Questo è stato corretto in 5.2.7 e nelle versioni successive.
    5.2.5addcslashesSono state aggiunte le sequenze di escape \v e \f.
     debug_backtraceAggiunto il parametro opzionale provide_object.
     imagefilterAlpha support for IMG_FILTER_COLORIZE was added.
    5.2.4curl_getinfoIntrodotto CURLINFO_PRIVATE.
     ldap_first_attributeThe ber_identifier was removed. This is now handled automatically by PHP.
     ldap_next_attributeThe ber_identifier was removed. This is now handled automatically by PHP.
     stream_wrapper_registerAdded the flags parameter.
    5.2.3getimagesizeRead errors generated by this function downgraded to E_NOTICE from E_WARNING.
     json_decodeThe nesting limit was increased from 20 to 128
     XMLWriter::writeElementThe content parameter became optional.
     XMLWriter::writeElementNsThe content parameter became optional.
     PDOStatement::getColumnMetatable field
    5.2.2date_sun_infoThe order of latitude and longitude has been swapped.
     proc_terminatePrevious versions used to destroy the given process resource.
     token_get_allLine numbers are returned in element 2
    5.2.1iterator_to_arrayThe use_keys parameter was added.
     json_decodeAdded support for JSON decoding of basic types.
     memory_get_peak_usageCompiling with --enable-memory-limit is no longer required for this function to exist.
     proc_openAdded the bypass_shell option to the other_options parameter.
    5.2.0base64_decodestrict added
     curl_multi_info_readÈ stato aggiunto msgs_in_queue.
     error_reportingInserita E_RECOVERABLE_ERROR.
     imagettftextIt is now possible to specify an hexadecimal entity in text.
     imap_openn_retries added
     imap_reopenn_retries added
     mb_strrposAdded the optional parameter offset.
     memory_get_peak_usagereal_usage was added.
     openssl_verifyThe signature_alg parameter was added.
     set_error_handlererror_handler deve ritornare FALSE per popolare $php_errormsg.
     setcookieThe httponly parameter was added.
     setrawcookieThe httponly parameter was added.
     simplexml_load_fileThe optional parameter is_prefix was added.
     simplexml_load_stringThe optional parameter is_prefix was added.
     snmp_set_oid_numeric_printThis function is now an alias of snmp_set_oid_output_format.
     PDOStatement::executeThe keys from input_parameters must match the ones declared in the SQL. Before PHP 5.2.0 this was silently ignored.
     SimpleXMLElement::attributesThe optional parameter is_prefix was added.
     SimpleXMLElement::childrenThe optional parameter is_prefix was added.
     SimpleXMLElement::__constructAdded the ns and is_prefix parameters.
     SoapServer::SoapServerAdded the typemap option.
     XMLReader::openencoding and options were added.
     XMLReader::XMLencoding and options were added.
    5.1.3DirectoryIterator::__constructThrows RuntimeException if the path is an empty string.
     curl_getinfoIntrodotto CURLINFO_HEADER_OUT.
     get_headersThis function now uses the default stream context, which can be set/changed with the stream_context_set_default function.
     http_build_querySquare brackets are escaped.
     imagecolorallocateReturns FALSE if the allocation failed. Previously -1 was returned.
     imagecolorallocatealphaReturns FALSE if the allocation failed. Previously -1 was returned.
     imagepngAdded the filters parameter.
     mb_get_infoThe entries "mail_charset", "mail_header_encoding", and "mail_body_encoding" were made available.
     SoapClient::__doRequestThe one_way parameter was added.
     XMLReader::getAttributeReturn NULL if no attribute found. Previously, returned an empty string.
    5.1.2date_default_timezone_setThe function started to validate the timezoneID parameter.
     headerThis function now prevents more than one header to be sent at once as a protection against header injection attacks.
     http_build_queryThe arg_separator parameter was added.
     imagepngAdded the quality parameter.
     parse_urlAdded the component parameter.
     SimpleXMLElement::__constructAdded the options and data_is_url parameters.
    5.1.1dateCi sono delle costanti utili dei formati di data/ora standard che possono essere usate per specificare il parametro format.
     debug_backtraceAggiunto l'object corrente come possibile elemento di ritorno.
     gmdateCi sono delle costanti utili di formati data/orario standard che possono essere usate per specificare il parametro format.
    5.1.0DirectoryIterator::__constructThrows RuntimeException on error. Previously, threw Exception.
     DOMDocument::saveAdded the options parameter
     DOMDocument::saveXMLAdded the options parameter
     class_implementsAdded the option to pass the class parameter as a string. Added the autoload parameter.
     class_parentsAdded the option to pass the class parameter as a string. Added the autoload parameter.
     ctype_digitPrima di PHP 5.1.0, questa stringa restituiva TRUE quando text era una stringa vuota.
     curl_setoptIntrodotto CURLOPT_AUTOREFERER, CURLOPT_BINARYTRANSFER, CURLOPT_FTPSSLAUTH, CURLOPT_PROXYAUTH, e CURLOPT_TIMECONDITION.
     dateOra emette gli errori time zone E_STRICT e E_NOTICE
     dateL'intervallo valido di un timestamp è tipicamente da Ven, 13 Dec 1901 20:45:54 GMT a Mar, 19 Gen 2038 03:14:07 GMT. (Queste sono le date che corrispondono al valore minimo e massimo per un intero con segno a 32-bit). Tuttavia, prima di PHP 5.1.0 questo intervallo era limitato da 01-01-1970 a 19-01-2038 su alcuni sistemi (es. Windows).
     date_sunriseOra emette gli errori time zone E_STRICT e E_NOTICE
     date_sunsetOra emette gli errori time zone E_STRICT e E_NOTICE
     file_put_contentsAdded support for LOCK_EX and the ability to pass a stream resource to the data parameter
     get_parent_classSe venisse chiamata senza parametro fuori dall'oggetto, questa funzione dovrebbe restituire NULL con un avvertimento, ma ora restituisce FALSE.
     gettimeofdayIl parametro return_float è stato aggiunto.
     globGLOB_ERR was added
     gmdateIl range valido di un timestamp è tipicamente da Venerdì, 13 Dicembre 1901 20:45:54 GMT a Martedì, 19 Gennaio 2038 03:14:07 GMT. (Queste sono le date che corrispondono ai valori minimo e massimo per un intero a 32-bit con il segno). Comunque, prima di PHP 5.1.0 questo range era limitato da 01-01-1970 a 01-19-2038 su alcuni sistemi (per esempio Windows).
     idateOra emette gli errori time zone E_STRICT e E_NOTICE
     imagerotateignore_transparent was added.
     intvalGenera E_NOTICE e restituisce 1, quando un oggetto è passato a var.
     md5_fileModificata la funzione in modo che usi le API di stream. Questo significa che si può utilizzare questa funzione con wrapper, come md5_file('http://example.com/..')
     openssl_pkcs7_verifyThe content parameter was added.
     session_regenerate_idAdded the delete_old_session parameter.
     sha1_fileModificata la funzione per utilizzare lr API streams. Ciò significa che si può utlizzare la funzione con i vari warppers, tipo sha1_file('http://example.com/..')
     str_word_countAggiunto il parametro charlist
     stream_copy_to_streamAdded the offset parameter
     stream_filter_appendPrior to PHP 5.1.0, this function returns TRUE on success o FALSE in caso di fallimento.
     stream_filter_prependPrior to PHP 5.1.0, this function returns TRUE on success o FALSE in caso di fallimento.
     stream_get_contentsThe offset was added.
     strtotimeOra restituisce FALSE in caso di fallimento, invece di -1.
     strtotimeOra emette gli errori time zone E_STRICT e E_NOTICE
     var_exportPossibilità di esportare classi e array contenenti classi utilizzando il metodo magico __set_state().
     XSLTProcessor::registerPHPFunctionsThe restrict parameter was added.
    5.0.5php_check_syntaxThis function was removed from PHP.
    5.0.4msql_fetch_arrayA bug was fixed when retrieving data from columns containing NULL values. Such columns were not placed into the resulting array.
     msql_fetch_objectA bug was fixed when retrieving data from columns containing NULL values. Such columns were not placed into the resulting array.
     msql_fetch_rowA bug was fixed when retrieving data from columns containing NULL values. Such columns were not placed into the resulting array.
    5.0.3get_class_varsget_class_vars restituirà solo le proprietà che possono essere accedute dall'ambito corrente.
     is_subclass_ofSi potrebbe anche specificare il parametro object come una stringa (il nome della classe)
     php_check_syntaxCalling exit after php_check_syntax resulted in a Segfault.
    5.0.2class_existsNon restituisce più TRUE per le interfacce definite. Utilizzare interface_exists.
     get_class_varsChiamando get_class_vars verranno esposte tutte le proprietà come array, a differenza dei precedenti comportamenti dove le proprietà protected e private erano prefissate con byte nul.
     strtotimeIn PHP 5 fino a 5.0.2, "now" e altri tempi relativi sono erroneamente calcolati a partire dalla mezzanotte di oggi. Questo differisce dalle altre versioni in cui viene correttamente calcolato dal tempo corrente.
    5.0.1get_class_varsChiamando get_class_vars verranno esposte tutte le proprietà, come quando si converte un oggetto in una classe.
     php_check_syntaxerror_message is passed by reference.
    5.0.0curl_setoptIntrodotto CURLOPT_FTP_USE_EPRT, CURLOPT_NOSIGNAL, CURLOPT_UNRESTRICTED_AUTH, CURLOPT_BUFFERSIZE, CURLOPT_HTTPAUTH, CURLOPT_PROXYPORT, CURLOPT_PROXYTYPE, CURLOPT_SSLCERTTYPE, e CURLOPT_HTTP200ALIASES.
     error_reportingInserita E_STRICT (non fa parte di E_ALL).
     is_aQuesta funzione venne deprecata in favore dell'operatore instanceof. La chiamata a questa funzione risulterà in un warning E_STRICT.
     opendirpath accetta il wrapper URL ftp:// .
     set_error_handlerIl parametro error_types è stato introdotto.
     sha1_fileAggiunto il parametro raw_output.
     strtotimeI microsecondi hanno cominciato ad essere consentiti, ma sono ignorati.
     usleepQuesta funzione ora funziona anche sui sistemi Windows.
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