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<?php $array = array( 0 => array('user_id' => '1', 'email'=>'email1'), 1 => array('user_id' => '2', 'email'=>'email2'), 2 => array('user_id' => '3', 'email'=>'email3') ); //var_dump(array_keys($array)); $sweet = array('a' => 'apple', 'b' => 'banana'); $fruits = array('sweet' => $sweet, 'sour' => 'lemon'); function test_print($item, $key) { echo "$key holds $item\n"; } array_walk_recursive($fruits, 'test_print');
Output for 5.0.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
a holds apple b holds banana sour holds lemon
Output for 5.0.0
a holds apple b holds banana
Process exited with code 139.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_walk_recursive() in /in/44rgn on line 17
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_walk_recursive() in /in/44rgn on line 17
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_walk_recursive() in /in/44rgn on line 17