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<getimagesizeimage_type_to_extension>
^GD and Image FunctionsLast updated: Mon, 26 Oct 2026

getimagesizefromstring

(PHP 5 >= 5.4.0, PHP 7, PHP 8)

getimagesizefromstring — Get the size of an image from a string

Description

function getimagesizefromstring(string $string, array &$image_info = null): array|false

Identical to getimagesize() except that getimagesizefromstring() accepts a string instead of a file name as the first parameter.

See the getimagesize() documentation for details on how this function works.

Parameters

string

The image data, as a string.

image_info

See getimagesize().

Return Values

See getimagesize().

Examples

Example #1 getimagesizefromstring() example

<?php
$img = '/path/to/test.png';

// Open as a file
$size_info1 = getimagesize($img);

// Or open as a string
$data       = file_get_contents($img);
$size_info2 = getimagesizefromstring($data);
?>

See Also


<getimagesizeimage_type_to_extension>
^GD and Image FunctionsLast updated: Mon, 26 Oct 2026