3v4l.org

run code in 300+ PHP versions simultaneously
<?php function FirstFactorial($num) { $factorial = "$num"; for ($i = $num - 1; $i > 0; $i--) { $factorial .= " * " . $i ; } return $factorial; } echo FirstFactorial(6), PHP_EOL; echo implode(' * ', range(6, 1, -1));
Output for 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1
6 * 5 * 4 * 3 * 2 * 1 6 * 5 * 4 * 3 * 2 * 1
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 5.0.0 - 5.0.1
6 * 5 * 4 * 3 * 2 * 1 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/k2mch on line 10 PHP_EOL6 * 5 * 4 * 3 * 2 * 1
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9
6 * 5 * 4 * 3 * 2 * 1 Warning: Wrong parameter count for range() in /in/k2mch on line 11 Warning: implode(): Bad arguments. in /in/k2mch on line 11
Output for 4.3.2 - 4.3.9
6 * 5 * 4 * 3 * 2 * 1 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/k2mch on line 10 PHP_EOL Warning: Wrong parameter count for range() in /in/k2mch on line 11 Warning: implode(): Bad arguments. in /in/k2mch on line 11
Output for 4.3.0 - 4.3.1
6 * 5 * 4 * 3 * 2 * 1 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/k2mch on line 10 PHP_EOL Warning: Wrong parameter count for range() in /in/k2mch on line 11 Warning: implode() [http://www.php.net/function.implode]: Bad arguments. in /in/k2mch on line 11
preferences:
198.2 ms | 413 KiB | 5 Q