3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = ['foo' => 17, 'a', 'bar' => 18, 'b']; $bar = [99 => 'b', 'bar' => 19, 98 => 'c']; $baz = array_merge($foo, $bar); var_dump($baz);

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24.98 ms | 405 KiB | 5 Q