The imagesx() function gets the width of image. It returns the width of the image or FALSE on errors.
Syntax
imagesx(img)
Parameters
img: Image resource created with imagecreatetruecolor()
Return
The imagesx() function returns the width of the image or FALSE on errors.
Example
The following is an example:
<?php $img = imagecreatetruecolor(450, 250); echo imagesx($img); ?>
Output
The following is the output:
450