3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); $arr = ['one' => 'hello', 'two' => 'world' ]; [$hello, $world] = $arr; echo "$hello $world\n"; echo "2nd try:\n"; ['two' => $hello, 'one' => $world] = $arr; echo "$hello $world\n"; // Hi!
Output for 8.0.1 - 8.0.27, 8.1.0 - 8.1.14, 8.2.0 - 8.2.1
Warning: Undefined array key 0 in /in/ZMr0p on line 7 Warning: Undefined array key 1 in /in/ZMr0p on line 7 2nd try: world hello

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