3v4l.org

run code in 300+ PHP versions simultaneously
<?php function knapsackLight($value1, $weight1, $value2, $weight2, $maxW) { $results[0] = $maxW >= $weight1 && $value1 ? $value1 : null; $results[1] = $maxW >= $weight2 && $value2 ? $value2 : null; $results[2] = $maxW >= $weight1 + $weight2 && $value1 + $value2 ? $value1 + $value2 : null; return max($results[0], $results[1], $results[2]); } var_dump(knapsackLight(10, 5, 6, 4, 8)); var_dump(knapsackLight(10, 5, 6, 5, 9));
Output for 7.1.25 - 7.1.31, 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
int(10) int(10)
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.

preferences:
190.66 ms | 407 KiB | 5 Q