(PHP 4, PHP 5, PHP 7)
imagefontheight — Get font height
imagefontheight ( int $font ) : int
Returns the pixel height of a character in the specified font.
font
Can be 1, 2, 3, 4, 5 for built-in fonts in latin2 encoding (where higher numbers corresponding to larger fonts) or any of your own font identifiers registered with imageloadfont().
Returns the pixel height of the font.
Example #1 Using imagefontheight() on built-in fonts
<?php echo 'Font height: ' . imagefontheight(4); ?>
The above example will output something similar to:
Font height: 16
Example #2 Using imagefontheight() together with imageloadfont()
<?php
// Load a .gdf font
$font = imageloadfont('anonymous.gdf');
echo 'Font height: ' . imagefontheight($font);
?> The above example will output something similar to:
Font height: 43
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.imagefontheight.php