image_type_to_extension
(PHP 5, PHP 7)
image_type_to_extension — Get file extension for image type
Beschreibung
string image_type_to_extension
( int
$imagetype
[, bool $include_dot = TRUE
] )Returns the extension for the given IMAGETYPE_XXX constant.
Parameter-Liste
-
imagetype -
One of the IMAGETYPE_XXX constant.
-
include_dot -
Whether to prepend a dot to the extension or not. Default to
TRUE.
Rückgabewerte
A string with the extension corresponding to the given image type.
Beispiele
Beispiel #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);
?>
Anmerkungen
Hinweis:
Diese Funktion benötigt die GD-Bibliothek nicht.