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<?php var_dump(substr('', 0, 0)); var_dump(substr('', 0, 1)); var_dump(substr('', 0, 2)); var_dump(substr('a', 0, 0)); var_dump(substr('a', 0, 1)); var_dump(substr('a', 0, 2)); var_dump(substr('ab', 0, 0)); var_dump(substr('ab', 0, 1)); var_dump(substr('ab', 0, 2));
Output for git.master, git.master_jit, rfc.property-hooks
string(0) "" string(0) "" string(0) "" string(0) "" string(1) "a" string(1) "a" string(0) "" string(1) "a" string(2) "ab"

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