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<?php $key = ''; $array3 = []; $str = 'width: 500px; height: 500px; border-width: 5px; border-radius: 30px;'; $array2 = preg_split('/([\W-]+)/', $str ); array_walk( $array2, function($el) use (&$array, &$key) { if($key) { $array3[$key] = $el; $key = null; } else { $key = $el; print($el); } } ); print_r($array3);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
widthheightborder5pxradiusArray ( )

preferences:
154.88 ms | 404 KiB | 215 Q