3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str="prijs=0,209&orderby=price&order=undefined&posts_per_page=undefined"; $repl=['/=/', '/,/', '/&/']; $with=['[', '],[', ']],[']; $str='[' . preg_replace($repl, $with, $str) . ']'; var_dump($str);
Output for 5.4.0 - 5.6.28, hhvm-3.10.0, 7.0.0 - 7.1.0
string(79) "[prijs[0],[209]],[orderby[price]],[order[undefined]],[posts_per_page[undefined]"
Output for hhvm-3.12.0

Process exited with code 137.
Output for 5.2.3 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/e402g on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected '[' in <b>/in/e402g</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected '[' in <b>/in/e402g</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/e402g</b> on line <b>4</b><br />
Process exited with code 255.