3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $records = array( array( 'id' => 2135, 'extra' => array( 'jelou' => 'hi', 'first_name' => 'Albert' ), ), array( 'id' => 2145, 'extra' => array( 'jelou' => 'hio', 'first_name' => 'Alberto' ), ), array( 'id' => 2155, 'extra' => array( 'jelou' => 'hia', 'first_name' => 'Alberta' ), ) ); $iterator = new RecursiveIteratorIterator(new RecursiveArrayIterator($records)); foreach ($iterator as $key => $value) { if ($key === 'jelou') { print_r($value); } }
based on IuMOt
Output for 5.1.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
hihiohia
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.0.5
Fatal error: Class 'RecursiveArrayIterator' not found in /in/FsmPa on line 26
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: recursiveiteratoriterator in /in/FsmPa on line 26
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: recursiveiteratoriterator in /in/FsmPa on line 26