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<?php $data = array('a'=>1,'b'=>2,'c'=>3,'d'=>4,'e'=>5); $key = 'd'; if( array_key_exists( $key, $data )): $pos = array_search( array_keys( $key, $data ) ); $start = array_slice( $data, 0, $pos ); $end = array_slice( $data, $pos, count( $data ) ); $data = array_merge( $start, array( null ), $end ); endif; var_dump( $data );
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: array_keys() expects parameter 1 to be array, string given in /in/CAtWO on line 5 Warning: array_search() expects at least 2 parameters, 1 given in /in/CAtWO on line 5 array(6) { ["a"]=> int(1) ["b"]=> int(2) ["c"]=> int(3) ["d"]=> int(4) ["e"]=> int(5) [0]=> NULL }
Output for hhvm-3.10.0 - 3.12.0
Warning: array_keys() expects parameter 1 to be an array or collection in /in/CAtWO on line 5 Warning: array_search() expects at least 2 parameters, 1 given in /in/CAtWO on line 5 array(6) { ["a"]=> int(1) ["b"]=> int(2) ["c"]=> int(3) ["d"]=> int(4) ["e"]=> int(5) [0]=> NULL }
Output for 5.2.4 - 5.2.17
Warning: array_keys(): The first argument should be an array in /in/CAtWO on line 5 Warning: Wrong parameter count for array_search() in /in/CAtWO on line 5 array(6) { ["a"]=> int(1) ["b"]=> int(2) ["c"]=> int(3) ["d"]=> int(4) ["e"]=> int(5) [0]=> NULL }
Output for 4.3.2 - 5.2.3
Warning: array_keys(): The first argument should be an array in /in/CAtWO on line 5 Warning: Wrong parameter count for array_search() in /in/CAtWO on line 5 array(6) { [0]=> NULL ["a"]=> int(1) ["b"]=> int(2) ["c"]=> int(3) ["d"]=> int(4) ["e"]=> int(5) }
Output for 4.3.0 - 4.3.1
Warning: array_keys() [http://www.php.net/function.array-keys]: The first argument should be an array in /in/CAtWO on line 5 Warning: Wrong parameter count for array_search() in /in/CAtWO on line 5 array(6) { [0]=> NULL ["a"]=> int(1) ["b"]=> int(2) ["c"]=> int(3) ["d"]=> int(4) ["e"]=> int(5) }