3v4l.org

run code in 300+ PHP versions simultaneously
<?php function setByLink( &$tree, &$dst ) { $dst = &$tree[0]; $tree[] = 'Hi'; } $tree = [ &[ 1, 2 ], 3 ]; setByLink( $tree, $arr ); $arr[] = 'Hello'; var_dump( $tree );
Output for 7.0.0 - 7.0.1
Parse error: syntax error, unexpected ',', expecting :: (T_PAAMAYIM_NEKUDOTAYIM) in /in/QKjSE on line 12
Process exited with code 255.
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
Parse error: syntax error, unexpected '[' in /in/QKjSE on line 9
Process exited with code 255.
preferences:
170.37 ms | 1395 KiB | 25 Q