3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list = array("value1", "value2"); $fp = STDOUT; foreach ($list as $line) { fwrite($fp, $line.PHP_EOL); }
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 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
value1 value2
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
Notice: Use of undefined constant STDOUT - assumed 'STDOUT' in /in/Z9m7p on line 5 Warning: fwrite(): supplied argument is not a valid stream resource in /in/Z9m7p on line 7 Warning: fwrite(): supplied argument is not a valid stream resource in /in/Z9m7p on line 7
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant STDOUT - assumed 'STDOUT' in /in/Z9m7p on line 5 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/Z9m7p on line 7 Warning: fwrite(): supplied argument is not a valid stream resource in /in/Z9m7p on line 7 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/Z9m7p on line 7 Warning: fwrite(): supplied argument is not a valid stream resource in /in/Z9m7p on line 7
preferences:
288.93 ms | 403 KiB | 363 Q