minor speedup - convert offset to long only when needed

ext/spl/spl_fixedarray.c

@@ -317,7 +317,11 @@ static inline zval **spl_fixedarray_object_read_dimension_helper(spl_fixedarray_
 		return NULL;
 	}
 
-	index = spl_offset_convert_to_long(offset TSRMLS_CC);
+	if (Z_TYPE_P(offset) != IS_LONG) {
+		index = spl_offset_convert_to_long(offset TSRMLS_CC);
+	} else {
+		index = Z_LVAL_P(offset);
+	}
 	
 	if (index < 0 || intern->array == NULL || index >= intern->array->size) {
 		zend_throw_exception(spl_ce_RuntimeException, "Index invalid or out of range", 0 TSRMLS_CC);
@@ -369,7 +373,11 @@ static inline void spl_fixedarray_object_write_dimension_helper(spl_fixedarray_o
 		return;
 	}
 
-	index = spl_offset_convert_to_long(offset TSRMLS_CC);
+	if (Z_TYPE_P(offset) != IS_LONG) {
+		index = spl_offset_convert_to_long(offset TSRMLS_CC);
+	} else {
+		index = Z_LVAL_P(offset);
+	}
 
 	if (index < 0 || intern->array == NULL || index >= intern->array->size) {
 		zend_throw_exception(spl_ce_RuntimeException, "Index invalid or out of range", 0 TSRMLS_CC);
@@ -407,7 +415,11 @@ static inline void spl_fixedarray_object_unset_dimension_helper(spl_fixedarray_o
 {
 	long index;
 	
-	index = spl_offset_convert_to_long(offset TSRMLS_CC);
+	if (Z_TYPE_P(offset) != IS_LONG) {
+		index = spl_offset_convert_to_long(offset TSRMLS_CC);
+	} else {
+		index = Z_LVAL_P(offset);
+	}
 	
 	if (index < 0 || intern->array == NULL || index >= intern->array->size) {
 		zend_throw_exception(spl_ce_RuntimeException, "Index invalid or out of range", 0 TSRMLS_CC);
@@ -444,7 +456,11 @@ static inline int spl_fixedarray_object_has_dimension_helper(spl_fixedarray_obje
 	long index;
 	int retval;
 	
-	index = spl_offset_convert_to_long(offset TSRMLS_CC);
+	if (Z_TYPE_P(offset) != IS_LONG) {
+		index = spl_offset_convert_to_long(offset TSRMLS_CC);
+	} else {
+		index = Z_LVAL_P(offset);
+	}
 	
 	if (index < 0 || intern->array == NULL || index >= intern->array->size) {
 		retval = 0;
@@ -675,6 +691,7 @@ SPL_METHOD(SplFixedArray, fromArray)
 	intern = (spl_fixedarray_object *)zend_object_store_get_object(return_value TSRMLS_CC);
 	intern->array = array;
 }
+/* }}} */
 
 /* {{{ proto int SplFixedArray::getSize(void)
 */