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<?php $str = '$str1var ="str1"; $str2var = "str2"'; $pattern = '/\$(?P<variable>(.*?)*)(?:|\s)=(\s|)"(?P<value>(.*?))"/'; preg_match_all($pattern, $str, $output_array); var_dump($output_array);
Output for 4.3.3 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(8) { [0]=> array(2) { [0]=> string(16) "$str1var ="str1"" [1]=> string(17) "$str2var = "str2"" } ["variable"]=> array(2) { [0]=> string(7) "str1var" [1]=> string(7) "str2var" } [1]=> array(2) { [0]=> string(7) "str1var" [1]=> string(7) "str2var" } [2]=> array(2) { [0]=> string(0) "" [1]=> string(0) "" } [3]=> array(2) { [0]=> string(0) "" [1]=> string(1) " " } ["value"]=> array(2) { [0]=> string(4) "str1" [1]=> string(4) "str2" } [4]=> array(2) { [0]=> string(4) "str1" [1]=> string(4) "str2" } [5]=> array(2) { [0]=> string(4) "str1" [1]=> string(4) "str2" } }
Output for 4.3.0 - 4.3.2
array(6) { [0]=> array(2) { [0]=> string(16) "$str1var ="str1"" [1]=> string(17) "$str2var = "str2"" } [1]=> array(2) { [0]=> string(7) "str1var" [1]=> string(7) "str2var" } [2]=> array(2) { [0]=> string(0) "" [1]=> string(0) "" } [3]=> array(2) { [0]=> string(0) "" [1]=> string(1) " " } [4]=> array(2) { [0]=> string(4) "str1" [1]=> string(4) "str2" } [5]=> array(2) { [0]=> string(4) "str1" [1]=> string(4) "str2" } }