3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array_fill(0, 1000, 5); $copy = array(); foreach( $array as $i => $foobar ) { $copy[$i+10] = $foobar; } foreach( $copy as $i => &$foobar ) { $array[$i-10] = $foobar = 10; } echo $array[0]; echo $copy[10];
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
1010
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected '&', expecting T_VARIABLE or '$' in <b>/in/PUjjL</b> on line <b>9</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected '&', expecting T_VARIABLE or '$' in <b>/in/PUjjL</b> on line <b>9</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `T_VARIABLE' or `'$'' in <b>/in/PUjjL</b> on line <b>9</b><br />
Process exited with code 255.