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run code in 300+ PHP versions simultaneously
<?php $values = ['0.3', '.5', '4', 'F', 'z', 4]; $n = count($values); for ($i = 0; $i < $n - 1; ++$i) { for ($j = $i + 1; $j < $n; ++$j) { $pair = [$values[$i], $values[$j]]; sort($pair); print var_export($pair[0], TRUE) . ' < ' . var_export($pair[1], TRUE) . "\n"; } }
Output for 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
'0.3' < '.5' '0.3' < '4' '0.3' < 'F' '0.3' < 'z' '0.3' < 4 '.5' < '4' '.5' < 'F' '.5' < 'z' '.5' < 4 '4' < 'F' '4' < 'z' '4' < 4 'F' < 'z' 4 < 'F' 4 < 'z'
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 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
'0.3' < '.5' '0.3' < '4' '0.3' < 'F' '0.3' < 'z' '0.3' < 4 '.5' < '4' '.5' < 'F' '.5' < 'z' '.5' < 4 '4' < 'F' '4' < 'z' '4' < 4 'F' < 'z' 'F' < 4 'z' < 4
Output for 5.5.0 - 5.5.37, 5.6.0 - 5.6.28
'0.3' < '.5' '0.3' < '4' '0.3' < 'F' '0.3' < 'z' '0.3' < 4 '.5' < '4' '.5' < 'F' '.5' < 'z' '.5' < 4 '4' < 'F' '4' < 'z' 4 < '4' 'F' < 'z' 'F' < 4 'z' < 4
preferences:
176.57 ms | 410 KiB | 5 Q