3v4l.org

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<?php echo serialize(false); var_dump(unserialize('false'));
Output for git.master, git.master_jit
b:0; Notice: unserialize(): Error at offset 0 of 5 bytes in /in/VZeLn on line 4 bool(false)
Output for rfc.property-hooks
b:0; Warning: unserialize(): Error at offset 0 of 5 bytes in /in/VZeLn on line 4 bool(false)

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