| public static getFirstOccurringRegularExpression ( array $regex_array, String $query ) : String | ||
| $regex_array | array | Comparing regular expressions. |
| $query | String | SQL query to be checked. |
| return | String | Matching regular expression. |
public static function getFirstOccurringRegularExpression($regex_array, $query)
{
$minimum_first_occurence_index = null;
$regex = null;
foreach ($regex_array as $test_regex) {
if (preg_match($test_regex, $query, $matches, PREG_OFFSET_CAPTURE)) {
if (is_null($minimum_first_occurence_index) || $matches[0][1] < $minimum_first_occurence_index) {
$regex = $test_regex;
$minimum_first_occurence_index = $matches[0][1];
}
}
}
return $regex;
}