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run code in 150+ php & hhvm versions
Bugs & Features
<?php var_export(filter_var(false, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE ));
Output for 5.4.8 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
false
Output for 5.2.0 - 5.4.7
NULL
Output for 5.0.0 - 5.1.6
<br /> <b>Fatal error</b>: Call to undefined function filter_var() in <b>/in/SAUPb</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.4.5 - 4.4.9
<br /> <b>Fatal error</b>: Call to undefined function: filter_var() in <b>/in/SAUPb</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.4.4
<br /> <b>Fatal error</b>: Call to undefined function: filter_var() in <b>/in/SAUPb</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1
<br /> <b>Fatal error</b>: Call to undefined function: filter_var() in <b>/in/SAUPb</b> on line <b>3</b><br />