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<?php var_dump( (bool)simplexml_load_string('<root />'), (bool)simplexml_load_string('<root><branch /></root>')->branch, (bool)simplexml_load_string('<root><branch></branch></root>')->branch, (bool)simplexml_load_string('<root><otherbranch /><branch /></root>')->branch, (bool)simplexml_load_string('<root><branch /><branch /></root>')->branch[0], (bool)simplexml_load_string('<root><branch /><branch></branch></root>')->branch[1], );
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) bool(true) bool(true) bool(true) bool(false) bool(false)

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