3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $nullvar = null; $nullstr = ''; $notnull = 'foo'; $unset = 'something'; unset($unset); function quiet_dump($v) { ob_start(); echo '<pre>'; var_dump($v); echo '</pre>'; return ob_get_clean(); } $results = array( '<h1>Results</h1>' , '<br/>$nullvar = ' , quiet_dump(isset($nullvar), true) , '<br/> $nullstr = ' , quiet_dump(isset($nullstr), true) , '<br/>$notnull = ' , quiet_dump(isset($notnull), true) , '<br/>$unset = ' , quiet_dump(isset($unset), true) ); echo impode(' ',$results);
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function impode() in /in/dZFvB:28 Stack trace: #0 {main} thrown in /in/dZFvB on line 28
Process exited with code 255.
Output for hhvm-3.12.0 - 3.13.2
Fatal error: Uncaught Error: Call to undefined function impode() in /in/dZFvB:28 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.0.0 - 5.6.28, hhvm-3.10.0
Fatal error: Call to undefined function impode() in /in/dZFvB on line 28
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: impode() in /in/dZFvB on line 28
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: impode() in /in/dZFvB on line 28
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: impode() in /in/dZFvB on line 28