Recurse through an object and display formatted contents

print_r_alternative.php

<?php

private function dig( $obj , $level = 0 ) {
	
	$return = "";
	$tabs = str_repeat( "\t" , $level );
	
	foreach( $obj as $k => $v ) {
		if( self::keyed( $v ) ) {
			$return .= $tabs . "$k object: \n";
			$return .= self::dig( $v , $level + 1 );
		} else {
			$return .= $tabs . "$k -- $v \n";
		}
	}
	
	return $return;
	
}