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<?php $array = array("DE", "GB"); array_push($array['DE'], "Rhapsody"); var_dump($array); ?>
Output for 5.3.0 - 7.1.0
Warning: array_push() expects parameter 1 to be array, null given in /in/MnsOQ on line 3 array(3) { [0]=> string(2) "DE" [1]=> string(2) "GB" ["DE"]=> NULL }
Output for 4.3.2 - 5.2.17
Warning: array_push(): First argument should be an array in /in/MnsOQ on line 3 array(3) { [0]=> string(2) "DE" [1]=> string(2) "GB" ["DE"]=> NULL }
Output for 4.3.0 - 4.3.1
Warning: array_push() [http://www.php.net/function.array-push]: First argument should be an array in /in/MnsOQ on line 3 array(3) { [0]=> string(2) "DE" [1]=> string(2) "GB" ["DE"]=> NULL }