Online PHP editor | output for XW1YF

@ 2014-09-06T15:28:03Z

<?php

$a = [ 10 ,  0x30 ];
$b = ['10', '0x30'];

echo json_encode(array_intersect($a, $b));
echo "\n\n";

$a = ["foo" => 1, 2];
$b = [1, "bar" => 2];

var_dump(array_intersect($a, $b));
echo "\n\n";

$a = [[1], [2]];
$b = [[3], [4]];

echo json_encode(array_intersect($a, $b));
echo "\n\n";

$a = [null];
$b = [''];

echo json_encode(array_intersect($a, $b));
echo "\n\n";<?php

Output for 5.4.0 - 5.4.32: Parse error: syntax error, unexpected '<' in /in/XW1YF on line 25
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/XW1YF on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected '[' in /in/XW1YF on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/XW1YF on line 3
Process exited with code 255.

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