3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['a' => 3, 'b' => 5, 'c' => 6]; $b = ['b' => 8, 'a' => 4]; $all = [$a, $b]; $a1 = array_column($all', 'a'); print_r($a1);
Output for 7.0.0 - 7.0.2
Parse error: syntax error, unexpected '', '' (T_CONSTANT_ENCAPSED_STRING), expecting ',' or ')' in /in/atLST on line 8
Process exited with code 255.
Output for 5.5.24 - 5.5.31, 5.6.8 - 5.6.17
Parse error: syntax error, unexpected '', '' (T_CONSTANT_ENCAPSED_STRING) in /in/atLST on line 8
Process exited with code 255.
preferences:
169.45 ms | 1395 KiB | 28 Q