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<?php function var2int($a) { return (int) --$a; $a--; $a++; return (int) $a; } echo var2int("a")."\n"; echo var2int("?")."\n"; echo var2int(5)."\n"; echo var2int(NULL)."\n";
Output for git.master, git.master_jit, rfc.property-hooks
0 0 4 0

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