3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $data = array( 0 => array( 0 => 1, ), 1 => array( 0 => 2, ), 2 => array( 0 => 3, 1 => 4, 2 => 5, ), 3 => array( 0 => 6, ), 4 => array( 0 => 7, ), ); $it = new RecursiveIteratorIterator(new RecursiveArrayIterator($data)); echo PHP_EOL, implode(iterator_to_array($it)); //745 instead of 1234567 echo PHP_EOL, implode(iterator_to_array($it, true)); //745 instead of 1234567 echo PHP_EOL ; foreach($it as $k=> $v) { echo $k.'=>'.$v.PHP_EOL ; }
Output for 5.2.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
745 745 0=>1 0=>2 0=>3 1=>4 2=>5 0=>6 0=>7
Output for 5.1.0 - 5.2.0
745 Warning: iterator_to_array() expects exactly 1 parameter, 2 given in /in/GvHU4 on line 26 Warning: implode(): Argument to implode must be an array. in /in/GvHU4 on line 26 0=>1 0=>2 0=>3 1=>4 2=>5 0=>6 0=>7
Output for 5.0.0 - 5.0.5
Fatal error: Class 'RecursiveArrayIterator' not found in /in/GvHU4 on line 23
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: recursiveiteratoriterator in /in/GvHU4 on line 23
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: recursiveiteratoriterator in /in/GvHU4 on line 23