imagecreatefromstring

(PHP 4 >= 4.0.4, PHP 5, PHP 7)

imagecreatefromstring锟斤拷锟街凤拷锟斤拷锟叫碉拷图锟斤拷锟斤拷锟铰斤拷一图锟斤拷

说锟斤拷

imagecreatefromstring ( string $image ) : resource

imagecreatefromstring() 锟斤拷锟斤拷一锟斤拷图锟斤拷锟绞讹拷锟斤拷锟斤拷锟斤拷锟斤拷舜痈锟斤拷锟斤拷址锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷锟酵硷拷锟斤拷式锟斤拷锟皆讹拷锟斤拷猓灰� PHP 支锟街o拷JPEG锟斤拷PNG锟斤拷GIF锟斤拷WBMP 锟斤拷 GD2锟斤拷

锟斤拷锟斤拷

image

A string containing the image data.

锟斤拷锟斤拷值

An image resource will be returned on success. FALSE is returned if the image type is unsupported, the data is not in a recognised format, or the image is corrupt and cannot be loaded.

锟斤拷锟斤拷

Example #1 imagecreatefromstring() example

<?php
$data 
'iVBORw0KGgoAAAANSUhEUgAAABwAAAASCAMAAAB/2U7WAAAABl'
       
'BMVEUAAAD///+l2Z/dAAAASUlEQVR4XqWQUQoAIAxC2/0vXZDr'
       
'EX4IJTRkb7lobNUStXsB0jIXIAMSsQnWlsV+wULF4Avk9fLq2r'
       
'8a5HSE35Q3eO2XP1A1wQkZSgETvDtKdQAAAABJRU5ErkJggg==';
$data base64_decode($data);

$im imagecreatefromstring($data);
if (
$im !== false) {
    
header('Content-Type: image/png');
    
imagepng($im);
    
imagedestroy($im);
}
else {
    echo 
'An error occurred.';
}
?>

锟斤拷锟斤拷锟斤拷锟教碉拷锟斤拷锟斤拷锟斤拷锟斤拷冢锟�

Output of example : imagecreatefromstring()

锟轿硷拷