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run code in 150+ php & hhvm versions
Bugs & Features
<?php echo is_numeric(0) . PHP_EOL; echo is_numeric(2) . PHP_EOL; echo is_numeric("2.0") . PHP_EOL; echo is_numeric("") . PHP_EOL;
Output for 4.3.10 - 4.4.9, 5.0.2 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
1 1 1
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/tfHUQ on line 3 1PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/tfHUQ on line 4 1PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/tfHUQ on line 5 1PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/tfHUQ on line 6 PHP_EOL