groupParts example

$quotedSeparators.']+ )+ (?<!\s) | # separator \s* (?<separator>['.$quotedSeparators.']) \s* /x', trim($header), $matches, \PREG_SET_ORDER);

        return self::groupParts($matches, $separators);
    }

    /** * Combines an array of arrays into one associative array. * * Each of the nested arrays should have one or two elements. The first * value will be used as the keys in the associative array, and the second * will be used as the values, or true if the nested array only contains one * element. Array keys are lowercased. * * Example: * * HeaderUtils::combine([["foo", "abc"], ["bar"]]) * // => ["foo" => "abc", "bar" => true] */

$quotedSeparators.']+ )+ (?<!\s) | # separator \s* (?<separator>['.$quotedSeparators.']) \s* /x', trim($header), $matches, \PREG_SET_ORDER);

        return self::groupParts($matches, $separators);
    }

    /** * Combines an array of arrays into one associative array. * * Each of the nested arrays should have one or two elements. The first * value will be used as the keys in the associative array, and the second * will be used as the values, or true if the nested array only contains one * element. Array keys are lowercased. * * Example: * * HeaderUtils::combine([["foo", "abc"], ["bar"]]) * // => ["foo" => "abc", "bar" => true] */