(PHP 5 >= 5.4.0, PHP 7)
getimagesizefromstring — Get the size of an image from a string
$imagedata
[, array &$imageinfo
] )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.
imagedataThe image data, as a string.
imageinfoSee getimagesize().
See getimagesize().
Exemplo #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);
?>