PHP GD Functions

Letter fonts used in this tutorial:

* GDF fonts

* To be used in this exercise.

* Don't forget to save the fonts in folders visible to the proposed exercises.
Like example, this tutorial uses gdf and ttf, respectively.

* If you have other fonts, you can use them as long as they are usable.

* Solve, therefore, the exercises proposed.

The font identifier which is always bigger than 5 to avoid conflicts with built-in fonts or FALSE on errors.


<?php

GdImage|false imageloadfont ( string $filename )

where,

$filename = The font binary file

?>

$filename

The font file format is currently binary and architecture dependent.

EXERCISE


<?php

echo 'PHP VERSION: ' . PHP_VERSION . '<br><br>';

define('P2GDF', 'gdf/');

$gdf_font_name01 = "04b.gdf";

$gdf_fnt01 = imageloadfont(P2GDF . $gdf_font_name01);
   
echo "Font identifier:<br>";
var_dump($gdf_fnt01);

?>

EXERCISE


<?php 

echo 'PHP VERSION: ' . PHP_VERSION . '<br><br>';

$gdf_font_name02 = "gdf/andale12.gdf"; 

$gdf_fnt02 = imageloadfont($gdf_font_name02); 
       
echo "Font identifier:<br>";
var_dump($gdf_fnt02);

?>

EXERCISE


<?php

echo 'PHP VERSION: ' . PHP_VERSION . '<br><br>';

error_reporting(0);

$var = getcwd();

echo $var . '<br><br>';

$ttf_font_name03 = $var . "/ttf/Vera.ttf";
// TrueType font 

echo $ttf_font_name03 . '<br><br>';

$ttf_fnt03 = imageloadfont($ttf_font_name03); 
      
var_dump($ttf_fnt03); 

/* - - - - - - - - - - - - - - - - - - - - - - - 
   Errors like this one occur whenever trying 
   to load TrueType font

   The Warning verified when running this 
   exercise proves that this function 
   should only be used for user-defined 
   bitmap fonts, never for ttf fonts
   - - - - - - - - - - - - - - - - - - - - - - - - */

?>

EXERCISE


<?php

echo 'PHP VERSION: ' . PHP_VERSION . '<br><br>';

error_reporting(0);

var_dump( imageloadfont('\src\invalidfile.font') );

?>