getimagesizefromstring

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

getimagesizefromstring — Get the size of an image from a string

Descrizione

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.

Elenco dei parametri

string: The image data, as a string.
image_info: See getimagesize().

Valori restituiti

See getimagesize().

Esempi

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);
?>

Vedere anche:

getimagesize() - Get the size of an image

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User Contributed Notes 2 notes

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imageman ¶

10 years ago


getimagesizefromstring function for < 5.4

<?php
   if (!function_exists('getimagesizefromstring')) {
      function getimagesizefromstring($string_data)
      {
         $uri = 'data://application/octet-stream;base64,'  . base64_encode($string_data);
         return getimagesize($uri);
      }
}
?>

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sarah at anigel dot net ¶

10 years ago


Just a quick comment on the solution by imageman for versions < 5.4 you will need to enable allow_url_fopen in order to use the data wrapper.

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