getimagesizefromstring

(PHP 5 >= 5.4.0)

getimagesizefromstringGet the size of an image from a string

Descrizione

array getimagesizefromstring ( 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.

Elenco dei parametri

imagedata

The image data, as a string.

imageinfo

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:

add a note add a note

User Contributed Notes 2 notes

up
20
imageman
2 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);
      }
}
?>
up
7
sarah at anigel dot net
2 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.
To Top