image_type_to_extension

(PHP 5, PHP 7)

image_type_to_extension — Get file extension for image type

설명

string image_type_to_extension ( int $imagetype [, bool $include_dot = TRUE ] )

Returns the extension for the given IMAGETYPE_XXX constant.

인수

imagetype: One of the IMAGETYPE_XXX constant.
include_dot: Whether to prepend a dot to the extension or not. Default to TRUE.

반환값

A string with the extension corresponding to the given image type.

예제

Example #1 image_type_to_extension() example


<?php
// Create image instance
$im = imagecreatetruecolor(100, 100);

// Save image
imagepng($im, './test' . image_type_to_extension(IMAGETYPE_PNG));
imagedestroy($im);
?>

주의

Note:
이 함수는 GD 이미지 라이브러리가 필요하지 않습니다.