GD and Image Functions
PHP Manual

image_type_to_extension

(PHP 5, PHP 7)

image_type_to_extensionGet file extension for image type

Description

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

Returns the extension for the given IMAGETYPE_XXX constant.

Parameters

imagetype

One of the IMAGETYPE_XXX constant.

include_dot

Whether to prepend a dot to the extension or not. Default to TRUE.

Return Values

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

Examples

Example #1 image_type_to_extension() example

<?php
// Create image instance
$im imagecreatetruecolor(100100);

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

Notes

Note:

This function does not require the GD image library.


GD and Image Functions
PHP Manual