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run code in 300+ PHP versions simultaneously
<?php function a($a=1, $b=2, $c=3) { switch (func_num_args()) { case 3: echo 3, "\n"; case 2: echo 2, "\n"; default: echo '0 or 1', "\n"; } } a(); a(1); a(1,2);
Output for git.master, git.master_jit, rfc.property-hooks
0 or 1 0 or 1 2 0 or 1

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