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<?php function f(string $str): void { if ($a = explode("-", $str)) { echo "reached if: ", var_dump($a), "\n"; } else { echo "unreached else\n"; } } f(""); f("a"); f("a-b-c");
Output for git.master, git.master_jit, rfc.property-hooks
reached if: array(1) { [0]=> string(0) "" } reached if: array(1) { [0]=> string(1) "a" } reached if: array(3) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" }

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