- var_dump: documentation ( source)
- preg_match_all: documentation ( source)
<?php
$contents = '<meta name="test" content="blah">';
preg_match_all('/<\s*meta\s*(name|property)="?([^>"]*)"?\s*content="?([^>"]*)"?\s*\/?\s*>/si', $contents, $match);
var_dump([$contents, $match]);