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image_type_to_extension

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

image_type_to_extension — Get file extension for image type

Descrizione

image_type_to_extension(int $image_type, bool $include_dot = true): string|false

Returns the extension for the given IMAGETYPE_* constant.

Elenco dei parametri

image_type

One of the IMAGETYPE_* constant.

include_dot

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

Valori restituiti

A string with the extension corresponding to the given image type, o false in caso di fallimento.

Esempi

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));
?>

Note

Nota:

Questa funzione non necessita della libreria grafica GD.