PHP 手册
GD and Image 函数

getimagesizefromstring

(PHP 5 >= 5.4.0)

getimagesizefromstringGet the size of an image from a string

说明

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.

参数

imagedata

The image data, as a string.

imageinfo

See getimagesize().

返回值

See getimagesize().

范例

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);
?>

参见


GD and Image 函数
PHP 手册