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Website Programming in PHP / MYSQL
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;
}
?>
A URL can be used as a filename with this function if the fopen wrappers have been enabled. See fopen() for more details on how to specify the filename and List of Supported Protocols/Wrappers for a list of supported URL protocols.
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.
Windows versions of PHP prior to PHP 4.3.0 do not support access of remote files via this function, even if allow_url_fopen is enabled.
