GD and Image 함수 목록
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GD and Image 함수 목록
PHP Manual

# gd_info

(PHP 4 >= 4.3.0, PHP 5)

gd_info — Retrieve information about the currently installed GD library

### 설명

array gd_info ( void )

Gets information about the version and capabilities of the installed GD library.

### 반환값

Returns an associative array.

Elements of array returned by gd_info()
Attribute | Meaning
--- | ---
GD Version | string value describing the installed libgd version.
Freetype Support | boolean value. `TRUE` if Freetype Support is installed.
Freetype Linkage | string value describing the way in which Freetype was linked. Expected values are: 'with freetype', 'with TTF library', and 'with unknown library'. This element will only be defined if Freetype Support evaluated to `TRUE`.
T1Lib Support | boolean value. `TRUE` if T1Lib support is included.
GIF Read Support | boolean value. `TRUE` if support for reading GIF images is included.
GIF Create Support | boolean value. `TRUE` if support for creating GIF images is included.
JPEG Support | boolean value. `TRUE` if JPEG support is included.
PNG Support | boolean value. `TRUE` if PNG support is included.
WBMP Support | boolean value. `TRUE` if WBMP support is included.
XBM Support | boolean value. `TRUE` if XBM support is included.

> Note: Previous to PHP 5.3.0, the JPEG Support attribute was named JPG Support.

### 예제

Example #1 Using gd_info()

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

위 예제의 출력 예시:

    array(9) {
      ["GD Version"]=>
      string(24) "bundled (2.0 compatible)"
      ["FreeType Support"]=>
      bool(false)
      ["T1Lib Support"]=>
      bool(false)
      ["GIF Read Support"]=>
      bool(true)
      ["GIF Create Support"]=>
      bool(false)
      ["JPEG Support"]=>
      bool(false)
      ["PNG Support"]=>
      bool(true)
      ["WBMP Support"]=>
      bool(true)
      ["XBM Support"]=>
      bool(false)
    }

### 변경점

버전 | 설명
--- | ---
5.3.0 | JPG Support attribute renamed to JPEG Support.

### 참고

- imagepng() - Output a PNG image to either the browser or a file
- imagejpeg() - Output image to browser or file
- imagegif() - Output image to browser or file
- imagewbmp() - Output image to browser or file
- imagetypes() - Return the image types supported by this PHP build

GD and Image 함수 목록
getimagesize
GD and Image 함수 목록
PHP Manual