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run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(-1); $sweet = array('a' => 'apple', 'b' => 'banana'); $fruits = array('sweet' => $sweet, 'sour' => 'lemon'); function test_print($item) { echo "holds $item\n"; } array_walk_recursive($fruits, 'test_print');
Output for 5.0.1 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
holds apple holds banana holds lemon
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0
holds apple 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/M8cFG on line 11
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_walk_recursive() in /in/M8cFG on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_walk_recursive() in /in/M8cFG on line 11