(PHP 4, PHP 5, PHP 7)
imagesx — Get image width
imagesx ( resource $image ) : int
Returns the width of the given image resource.
image
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
Return the width of the image or false on errors.
Example #1 Using imagesx()
<?php // create a 300*200 image $img = imagecreatetruecolor(300, 200); echo imagesx($img); // 300 ?>
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https://www.php.net/manual/en/function.imagesx.php