Z_ADDREF_P        787 Zend/zend_types.h #define Z_ADDREF_P(pz)				zval_addref_p(pz)
Z_ADDREF_P         31 ext/intl/msgformat/msgformat_format.c #define Z_ADDREF_P(z) ((z)->refcount++)
Z_ADDREF_P         72 ext/oci8/oci8.c #define Z_ADDREF_P(x) ZVAL_ADDREF(x)