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<?php $attrPattern = '/([a-z0-9-]*)=(["\']??)([^"\']*?)\\2/siU'; $attr = 'target="_parent" data-bar="baz" data-foo'; preg_match_all($attrPattern, $attr, $matches, PREG_SET_ORDER); var_dump($matches);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(2) { [0]=> array(4) { [0]=> string(16) "target="_parent"" [1]=> string(6) "target" [2]=> string(1) """ [3]=> string(7) "_parent" } [1]=> array(4) { [0]=> string(14) "data-bar="baz"" [1]=> string(8) "data-bar" [2]=> string(1) """ [3]=> string(3) "baz" } }

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