Better Font Awesome - Fix for get_icon_array_version_5() error

20180828.php

<?php
private function get_icon_array_version_5() {

	$icons_metadata = $this->get_icons_metadata();
	$icons = array();

	// Add style prefixes.
	foreach ( $icons_metadata as $slug => $metadata ) {

		if ( !empty($metadata['search']['terms']) ) {
			$search_terms = array_map( function( $term ) {
				return $term;
			}, $metadata['search']['terms'] );
		}

		foreach ( $metadata['styles'] as $style ) {
			$icons[] = array(
				'title'       => "{$metadata['label']} ({$style})",
				'slug'        => $slug,
				'style'       => $style,
				'base_class'  => $this->get_icon_base_class( $slug, $style ),
				'searchTerms' => $search_terms,
			);
		}
	}

	return $icons;
}