optimize out strlen() calls

# Patch by Matt Wilmas

Author: Ilia Alshanetsky

ext/standard/basic_functions.c

@@ -4665,13 +4665,13 @@ PHP_FUNCTION(getopt)
 			}
 		} else {
 			/* other strings */
-			if(zend_hash_find(HASH_OF(return_value), optname, strlen(optname)+1, (void **)&args) != FAILURE) {
+			if(zend_hash_find(HASH_OF(return_value), optname, optname_len + 1, (void **)&args) != FAILURE) {
 				if(Z_TYPE_PP(args) != IS_ARRAY) {
 					convert_to_array_ex(args);
 				} 
 				zend_hash_next_index_insert(HASH_OF(*args),  (void *)&val, sizeof(zval *), NULL);
 			} else {
-				zend_hash_add(HASH_OF(return_value), optname, strlen(optname)+1, (void *)&val, sizeof(zval *), NULL);
+				zend_hash_add(HASH_OF(return_value), optname, optname_len + 1, (void *)&val, sizeof(zval *), NULL);
 			}
 		}
 	}

ext/wddx/wddx.c

@@ -974,10 +974,11 @@ static void php_wddx_pop_element(void *user_data, const XML_Char *name)
 						add_property_zval(ent2->data, ent1->varname, ent1->data);
 						EG(scope) = old_scope;
 					} else {
-						long l;  
+						long l;
 						double d;
+						int varname_len = strlen(ent1->varname);
 
-						switch (is_numeric_string(ent1->varname, strlen(ent1->varname), &l, &d, 0)) {
+						switch (is_numeric_string(ent1->varname, varname_len, &l, &d, 0)) {
 							case IS_DOUBLE:
 								if (d > INT_MAX) {
 									goto bigint;
@@ -988,7 +989,7 @@ static void php_wddx_pop_element(void *user_data, const XML_Char *name)
 								break;
 							default:
 bigint:
-								zend_hash_update(target_hash,ent1->varname, strlen(ent1->varname)+1, &ent1->data, sizeof(zval *), NULL);
+								zend_hash_update(target_hash,ent1->varname, varname_len + 1, &ent1->data, sizeof(zval *), NULL);
 						}
 					}
 					efree(ent1->varname);