3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = "foo bar baz"; var_dump( reset( explode( ' ', $str ) ) );
Output for 7.0.0 - 7.1.0
Notice: Only variables should be passed by reference in /in/B99vC on line 3 string(3) "foo"
Output for 5.5.0 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/B99vC on line 3 string(3) "foo"
Output for 4.3.0 - 5.0.4, 5.1.0 - 5.4.45
string(3) "foo"
Output for 5.0.5
<br /> <b>Fatal error</b>: Only variables can be passed by reference in <b>/in/B99vC</b> on line <b>3</b><br />
Process exited with code 255.