imagesx — Determines the width of an image.
int image: Image
Returns the width of the specified image in pixels. Can
be used to obtain information about images loaded using
and similar functions.
Example 444. Return image
$im = imagecreate(200, 200);
$green = imagecolorallocate($im, 0, 255, 0);
$red = imagecolorallocate($im, 255, 0, 0);
imagefill($im, 0, 0, $green);
$width = imagesx($im);
imagestring($im, 4, 20, 50, "Width is $width pixels", $red);
PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing
(Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch).
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