Online PHP editor | refs for R9isk

<?php function mystr_replace($needle,$replace,$haystack){ $args = func_get_args(); $count=null; if(isset($args[3])){ $count &= $args[3]; } var_dump($args); if(is_null($count)) { return "3:".str_replace($needle,$replace,$haystack); } else { return "4:".str_replace($needle,$replace,$haystack,$count); } } echo mystr_replace("frop","frml","fropfrop")."\n"; echo mystr_replace("frop","frml","fropfrop",1)."\n";