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(PHP 4 >= 4.0.5, PHP 5, PHP 7)

iconv_set_encodingModifie le jeu courant de caractères d'encodage


bool iconv_set_encoding ( string $type , string $charset )

Modifie le jeu de caractères courant, et remplace la valeur courante du paramètre type par charset.

Liste de paramètres


Les valeurs possibles de type sont :

  • input_encoding
  • output_encoding
  • internal_encoding


Le jeu de caractères.

Valeurs de retour

Cette fonction retourne TRUE en cas de succès ou FALSE si une erreur survient.


Exemple #1 Exemple avec iconv_set_encoding()


Voir aussi

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User Contributed Notes 3 notes

joe dot bowman at
1 year ago
As of PHP 5.6, this throws a Deprecated level error, as is consistent with setting the iconv.*_encoding ini settings:

iconv_set_encoding('internal_encoding', 'UTF-8');


PHP Deprecated:  iconv_set_encoding(): Use of iconv.internal_encoding is deprecated in ...
Coralie B
1 month ago
I encountered the same issue than joe dot bowman at

Even if i read on the web that it is a usual issue when using PHP 5.6 and upper, i didn't encounter it on every sites on which i use PHP 5.6.

Nevertheless, i had to find a solution because, when the issue appears, it's embarrassing. This is what i found thanks to Alexandra López on

Instead of :
if (function_exists(‘iconv’))
// These are settings that can be set inside code
    iconv_set_encoding(“internal_encoding”, “UTF-8?);
    iconv_set_encoding(“input_encoding”, “UTF-8?);
    iconv_set_encoding(“output_encoding”, “UTF-8?);

i use :
if (PHP_VERSION_ID < 50600) {
    iconv_set_encoding('input_encoding', 'UTF-8');
    iconv_set_encoding('output_encoding', 'UTF-8');
    iconv_set_encoding('internal_encoding', 'UTF-8');
} else {
    ini_set('default_charset', 'UTF-8');
pasamio at gmail dot com
8 years ago
On PHP 5.2.5 when iconv.*_encoding values are set using php_admin_value in the Apache configuration file, this call will fail and return false.
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