3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class Bla implements Iterator { private $pos = 0; public function __construct() { $this->pos = 0; } function rewind() { $this->pos = 0; } function current() { return $this->pos; } function key() { return $this->pos; } function next() { $this->pos++; } function valid() { return pos < 3; } } echo "results:"; function arrara() { $bla = new Bla(); $i = 0; foreach($bla as $a) { foreach ($bla as $b) { echo "($a, $b)<br />"; $i++; if ($i > 20) return; } if ($i > 20) return; } } arrara();
Output for 7.2.0 - 7.3.0rc6
results: Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 0)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 1)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 2)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 3)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 4)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 5)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 6)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 7)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 8)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 9)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 10)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 11)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 12)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 13)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 14)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 15)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 16)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 17)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 18)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 19)<br /> Warning: Use of undefined constant pos - assumed 'pos' (this will throw an Error in a future version of PHP) in /in/oA9ZI on line 34 (0, 20)<br />
Output for 5.0.0 - 7.1.20
results: Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 0)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 1)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 2)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 3)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 4)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 5)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 6)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 7)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 8)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 9)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 10)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 11)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 12)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 13)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 14)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 15)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 16)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 17)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 18)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 19)<br /> Notice: Use of undefined constant pos - assumed 'pos' in /in/oA9ZI on line 34 (0, 20)<br />
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/oA9ZI on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting '{' in /in/oA9ZI on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/oA9ZI on line 3
Process exited with code 255.