imagecreatefromwbmp
(PHP 4 >= 4.0.1, PHP 5)
imagecreatefromwbmp — Create a new image from file or URL
Description
imagecreatefromwbmp() returns an image identifier representing the image obtained from the given filename.
imagecreatefromwbmp() returns an empty string on failure. It also outputs an error message, which unfortunately displays as a broken link in a browser. To ease debugging the following example will produce an error WBMP:
Example#1 Example to handle an error during creation
<?php
function LoadWBMP($imgname)
{
$im = @imagecreatefromwbmp($imgname); /* Attempt to open */
if (!$im) { /* See if it failed */
$im = imagecreatetruecolor (20, 20); /* Create a blank image */
$bgc = imagecolorallocate($im, 255, 255, 255);
$tc = imagecolorallocate($im, 0, 0, 0);
imagefilledrectangle($im, 0, 0, 10, 10, $bgc);
/* Output an errmsg */
imagestring($im, 1, 5, 5, "Error loading $imgname", $tc);
}
return $im;
}
?>
Je kunt een URL als bestandsnaam gebruiken met deze functie als de "fopen wrappers" aan staan. Zie fopen() voor meer informatie.
Parameters
- filename
-
Path to the WBMP image
Return Values
Returns an image resource identifier on success, FALSE on errors.
Notes
Note: WBMP support is only available if PHP was compiled against GD-1.8 or later.
Het remote laden door deze functie wordt op dit moment niet ondersteund door de Windows versie van PHP, zelfs niet als allow_url_fopen is ingeschakeld.