(PHP 4, PHP 5, PHP 7, PHP 8)
imageloadfont — Load a new font
imageloadfont() loads a user-defined bitmap and returns its identifier.
filename
The font file format is currently binary and architecture dependent. This means you should generate the font files on the same type of CPU as the machine you are running PHP on.
byte position | C data type | description |
---|---|---|
byte 0-3 | int | number of characters in the font |
byte 4-7 | int | value of first character in the font (often 32 for space) |
byte 8-11 | int | pixel width of each character |
byte 12-15 | int | pixel height of each character |
byte 16- | char | array with character data, one byte per pixel in each character, for a total of (nchars*width*height) bytes. |
Returns an GdFont instance, or false
on failure.
Version | Description |
---|---|
8.1.0 | Returns an GdFont instance now; previously, an int was returned. |
Example #1 imageloadfont() usage example
<?php
// Create a new image instance
$im = imagecreatetruecolor(50, 20);
$black = imagecolorallocate($im, 0, 0, 0);
$white = imagecolorallocate($im, 255, 255, 255);
// Make the background white
imagefilledrectangle($im, 0, 0, 49, 19, $white);
// Load the gd font and write 'Hello'
$font = imageloadfont('./04b.gdf');
imagestring($im, $font, 0, 0, 'Hello', $black);
// Output to browser
header('Content-type: image/png');
imagepng($im);
imagedestroy($im);
?>