3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo str_len(preg_replace('/[^a-zA-Z0-9]/', '', base64_encode(openssl_random_pseudo_bytes(12))));
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function str_len() in /in/HBT6O:2 Stack trace: #0 {main} thrown in /in/HBT6O on line 2
Process exited with code 255.
Output for 5.2.3 - 5.6.28
Fatal error: Call to undefined function str_len() in /in/HBT6O on line 2
Process exited with code 255.
Output for 5.0.0 - 5.2.2
<br /> <b>Fatal error</b>: Call to undefined function str_len() in <b>/in/HBT6O</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.4.5 - 4.4.9
<br /> <b>Fatal error</b>: Call to undefined function: str_len() in <b>/in/HBT6O</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.4.4
<br /> <b>Fatal error</b>: Call to undefined function: str_len() in <b>/in/HBT6O</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1
<br /> <b>Fatal error</b>: Call to undefined function: str_len() in <b>/in/HBT6O</b> on line <b>2</b><br />