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<?php preg_match('%<((?i)password(?-i))>\s*+(?P<password>.*?)\s*</\1>%x', '<Password> toto </Password>', $match); var_dump($match);
based on ejsfE
Output for 4.3.3 - 7.1.0
array(4) { [0]=> string(30) "<Password> toto </Password>" [1]=> string(8) "Password" ["password"]=> string(4) "toto" [2]=> string(4) "toto" }
Output for 4.3.0 - 4.3.2
array(3) { [0]=> string(30) "<Password> toto </Password>" [1]=> string(8) "Password" [2]=> string(4) "toto" }