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run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(ctype_digit(new \stdClass())); var_dump(ctype_digit("1")); var_dump(ctype_digit(255)); var_dump(ctype_digit("255")); var_dump(ctype_digit(256));
Output for 5.3.0 - 7.1.0
bool(false) bool(true) bool(false) bool(true) bool(true)
Output for 5.2.3 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/QuhXu on line 2 bool(false) bool(true) bool(false) bool(true) bool(true)
Output for 4.3.10 - 4.4.9, 5.0.3 - 5.2.2
<br /> <b>Warning</b>: Unexpected character in input: '\' (ASCII=92) state=1 in <b>/in/QuhXu</b> on line <b>2</b><br /> bool(false) bool(true) bool(false) bool(true) bool(true)
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.2
<br /> <b>Warning</b>: Unexpected character in input: '\' (ASCII=92) state=1 in <b>/in/QuhXu</b> on line <b>2</b><br /> bool(false) bool(true) bool(false) bool(true) bool(false)