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PHP image_type_to_extension - Get Picture suffix

PHP image_type_to_extension - Get Picture suffix

PHP Image Processing PHP Image Processing

image_type_to_extension - returns the corresponding extension according to the specified image type.

grammar

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

According to the given constant IMAGETYPE_XXX return extension.

Examples

<?php
// 创建图像实例
$im = imagecreatetruecolor(100, 100);

// 保存图像 png 格式
imagepng($im, './test' . image_type_to_extension(IMAGETYPE_PNG));
imagedestroy($im);
?>

Implementation of the above file will generate a test.png pictures in the current directory.

PHP Image Processing PHP Image Processing