Build Font awesome associative array

font_awesome_build.php

<?php

require_once( dirname( __FILE__ ) . '/wp-load.php' ); // get WP

$result   = wp_remote_get( "https://fontawesome.com/cheatsheet" );
$out      = $result['body'];
$start    = "window.__inline_data__ = "; // start here
$end      = "</script>";
$startsAt = strpos( $out, $start ) + strlen( $start );
$endsAt   = strpos( $out, $end, $startsAt );
$result   = substr( $out, $startsAt, $endsAt - $startsAt );
$result   = json_decode( $result );
$icons    = array();
foreach ( $result[2]->data as $data ) {

	if ( $data->type == 'icon' ) {
		// skip pro only icons
		if ( empty( $data->attributes->membership->free ) ) {
			continue;
		}

		$types = $data->attributes->membership->free;
		foreach ( $types as $type ) {
			$prefix = '';
			if ( $type == 'brands' ) {
				$prefix = 'fab ';
			} elseif ( $type == 'solid' ) {
				$prefix = 'fas ';
			} elseif ( $type == 'regular' ) {
				$prefix = 'far ';
			} elseif ( $type == 'light' ) {
				$prefix = 'fal ';
			}
			$icons[ $prefix . "fa-" . $data->id ] = $data->attributes->unicode ;
		}

	}

}

// output it for a nice copy/pase
echo "array( \n";
foreach($icons as $class=>$unicode){
	echo "'".$class."' => '".$unicode."', \n";
}
echo ");";

exit;