Get social icon name from url ( foreach loop )

<?php 
$socials = $pixiefy_option['social_links'];
if ( (array) $socials && isset($socials) ) :

	echo '<ul id="social-buttons">';
	foreach ( (array) $socials as $key => $entry ) {

	    if ( isset( $entry['url'] ) ) {

	        $original_url= $entry['url'];
	        $pieces = parse_url($original_url);
	        $domain = isset($pieces['host']) ? $pieces['host'] : '';
	        if (preg_match('/(?P<domain>[a-z0-9][a-z0-9\-]{1,63}\.[a-z\.]{2,6})$/i', $domain,    $regs)) {
	           $social_class = strstr( $regs['domain'], '.', true );
	        }
	        if($social_class == 'google') {
	            $social_class = 'google-plus';
	        }

	        $social_class = $social_class;
	        echo '<li><a href="' . esc_url( $entry['url'] ) . '" id="'.$social_class.'"></a></li><span>'.$entry['title'].'</span>';
	    }

	}
	echo '</ul>';
endif; ?>