3v4l.org

run code in 300+ PHP versions simultaneously
<?php $something = ""; if ( !$something ) { echo "Not Something".PHP_EOL; } if ( 0 == $something ) { echo "0 equals something".PHP_EOL; } if ( false == $something ) { echo "false equals something".PHP_EOL; } if ( null == $something ) { echo "false equals something".PHP_EOL; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Not Something false equals something false equals something
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 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Not Something 0 equals something false equals something false equals something
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/jk81l on line 3 Not SomethingPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/jk81l on line 4 0 equals somethingPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/jk81l on line 5 false equals somethingPHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/jk81l on line 6 false equals somethingPHP_EOL
preferences:
254.54 ms | 402 KiB | 360 Q