php自定义异常类

gistfile1.txt

zend_class_entry *wcx_exception_ce;

PHP_WCX_API zend_class_entry *wcx_get_exception_base(int root TSRMLS_DC) {
#if HAVE_SPL
    if (!root) {
        if (!spl_ce_RuntimeException) {
            zend_class_entry **pce;
            if (zend_hash_find(CG(class_table), "runtimeexception", sizeof("RuntimeException"), (void **) &pce) == SUCCESS) {
                spl_ce_RuntimeException = *pce;
                return *pce;
            }
        } else {
            return spl_ce_RuntimeException;
        }
    }
#endif
#if (PHP_MAJOR_VERSION == 5) && (PHP_MINOR_VERSION < 2)
    return zend_exception_get_default();
#else
    return zend_exception_get_default(TSRMLS_C);
#endif
}

PHP_MINIT_FUNCTION(wcx) {
    zend_class_entry wcx_exception_class_entry;
    INIT_CLASS_ENTRY(wcx_exception_class_entry, "WcxException", NULL);
    wcx_exception_ce = zend_register_internal_class_ex(
        &wcx_exception_class_entry,
        wcx_get_exception_base(0 TSRMLS_CC),
        NULL TSRMLS_CC
    );
    
    zend_declare_property_null(wcx_exception_ce, ZEND_STRL("message"), 	ZEND_ACC_PROTECTED TSRMLS_CC);
	zend_declare_property_long(wcx_exception_ce, ZEND_STRL("code"), 0,	ZEND_ACC_PROTECTED TSRMLS_CC);
    ...
}

//usage
zend_throw_exception(wcx_exception_ce, message, code TSRMLS_CC);