3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if (filter_var($email_b, FILTER_VALIDATE_EMAIL)) { echo "This ($email_b) email address is considered valid."; }
Output for 5.5.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: email_b in /in/RSBM3 on line 3
Output for 5.2.0 - 5.4.45
Output for 5.0.0 - 5.1.6
<br /> <b>Fatal error</b>: Call to undefined function filter_var() in <b>/in/RSBM3</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/RSBM3</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/RSBM3</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/RSBM3</b> on line <b>3</b><br />