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run code in 150+ php & hhvm versions
Bugs & Features
<?php echo ctype_digit("61"); echo "\n"; echo ctype_digit(61); var_dump(ctype_digit("61")); var_dump(ctype_digit(61));
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
1 bool(true) bool(false)
Output for hhvm-3.10.0

Process exited with code 153.