3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $numbers = array( 2154151, '55454', '.04484787', 'bloadh', '6564.465.654', '5653.54' ); foreach($numbers as $num){ if(!$number = filter_var($num, FILTER_VALIDATE_FLOAT)){ echo "$num is invalid"; }else{ echo "$num is valid"; } } ?>
Output for 5.2.0 - 7.2.0
2154151 is valid55454 is valid.04484787 is validbloadh is invalid6564.465.654 is invalid5653.54 is valid
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function filter_var() in /in/T5gGv on line 6
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: filter_var() in /in/T5gGv on line 6
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: filter_var() in /in/T5gGv on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: filter_var() in /in/T5gGv on line 6