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run code in 300+ PHP versions simultaneously
<?php foreach(["FILTER_VALIDATE_BOOLEAN","FILTER_VALIDATE_BOOL","FILTER_VALIDATE_INT","FILTER_VALIDATE_INTEGER"] as $lol){ echo "{$lol}: ".((int)defined($lol))."\n"; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
FILTER_VALIDATE_BOOLEAN: 1 FILTER_VALIDATE_BOOL: 1 FILTER_VALIDATE_INT: 1 FILTER_VALIDATE_INTEGER: 0
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
FILTER_VALIDATE_BOOLEAN: 1 FILTER_VALIDATE_BOOL: 0 FILTER_VALIDATE_INT: 1 FILTER_VALIDATE_INTEGER: 0
preferences:
107.14 ms | 1461 KiB | 4 Q