imagetypes

(PHP 4 >= 4.0.2, PHP 5, PHP 7)

imagetypesReturn the image types supported by this PHP build

설명

int imagetypes ( void )

Returns the image types supported by the current PHP installation.

반환값

Returns a bit-field corresponding to the image formats supported by the version of GD linked into PHP. The following bits are returned, IMG_GIF | IMG_JPG | IMG_PNG | IMG_WBMP | IMG_XPM | IMG_WEBP.

예제

Example #1 Checking for PNG support

<?php
if (imagetypes() & IMG_PNG) {
    echo 
"PNG Support is enabled";
}
?>

변경점

버전 설명
5.6.25, 7.0.10 IMG_WEBP added.

참고

  • gd_info() - Retrieve information about the currently installed GD library

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User Contributed Notes 1 note

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-4
ThunderCrew
16 years ago
Im not a smart man but this seemd to be the simplest code and it worked.
Its at the very top of this directory.

<?php
var_dump
(gd_info());
?>

Returned image info and more.

array(11) { ["GD Version"]=> string(27) "bundled (2.0.28 compatible)" ["FreeType Support"]=> bool(true) ["FreeType Linkage"]=> string(13) "with freetype" ["T1Lib Support"]=> bool(false) ["GIF Read Support"]=> bool(true) ["GIF Create Support"]=> bool(true) ["JPG Support"]=> bool(true) ["PNG Support"]=> bool(true) ["WBMP Support"]=> bool(true) ["XBM Support"]=> bool(true) ["JIS-mapped Japanese Font Support"]=> bool(false) }
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