Imágenes
PHP Manual

imagecreatefromstring

(PHP 4 >= 4.0.4, PHP 5)

imagecreatefromstring — Create a new image from the image stream in the string

Descripción

resource imagecreatefromstring ( string $data )

imagecreatefromstring() returns an image identifier representing the image obtained from the given data These types will be automatically detected if your build of PHP supports them: JPEG, PNG, GIF, WBMP, and GD2.

Lista de parámetros

image

A string containing the image data

Valores retornados

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.

Ejemplos

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);
}
else {
    echo 
'An error occurred.';
}
?>

El resultado del ejemplo seria algo similar a:

Ver también


Imágenes
PHP Manual