What is this?

sfnt2woff is a PHP class for converting OTF/TTF files to WOFF.

Requirements

• PHP 8.0+
• ZLIB extension

Usage

Convert a font to WOFF:

$sfnt2woff = new \xenocrat\sfnt2woff();
$sfnt = file_get_contents("font.ttf");
$sfnt2woff->import($sfnt);
$woff = $sfnt2woff->export();
file_put_contents("font.woff", $woff);

Import OTF/TTF font file:

$sfnt2woff->import($sfnt);

Disable the integrity test:

$sfnt2woff->strict = false;

Set the compression level (1-9):

$sfnt2woff->compression_level = 9;

Set the WOFF file version:

$sfnt2woff->version_major = 1;
$sfnt2woff->version_minor = 1;

Set the extended metadata block:

$xml = simplexml_load_file("example.xml");
$sfnt2woff->set_meta($xml);

Set the private data block:

$string = sha1("example");
$sfnt2woff->set_priv($string);

Export the WOFF font file:

$woff = $sfnt2woff->export();