3v4l.org

run code in 300+ PHP versions simultaneously
<?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 ; }
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
745 745 0=>10=>20=>31=>42=>50=>60=>7
Output for 5.1.0 - 5.1.6, 5.2.0
745 Warning: iterator_to_array() expects exactly 1 parameter, 2 given in /in/cUnOa on line 26 Warning: implode(): Argument to implode must be an array. in /in/cUnOa on line 26 0=>10=>20=>31=>42=>50=>60=>7
Output for 5.0.0 - 5.0.5
Fatal error: Class 'RecursiveArrayIterator' not found in /in/cUnOa on line 23
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: recursiveiteratoriterator in /in/cUnOa 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/cUnOa on line 23
preferences:
215.27 ms | 401 KiB | 369 Q