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