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MFH: minor optimization - make sure the objects are not the same instance before we start comparing their properties

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This commit is contained in:
Antony Dovgal 2007-06-06 11:57:36 +00:00
parent 32e23d419f
commit e029945a02
1 changed files with 5 additions and 0 deletions
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5
Zend/zend_operators.c
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@ -1402,6 +1402,11 @@ ZEND_API int compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
/* If both are objects sharing the same comparision handler then use is */
if (eq_comp) {
if (Z_OBJ_HANDLE_P(op1) == Z_OBJ_HANDLE_P(op2)) {
/* object handles are identical, apprently this is the same object */
ZVAL_LONG(result, 0);
COMPARE_RETURN_AND_FREE(SUCCESS);
}
ZVAL_LONG(result, Z_OBJ_HT_P(op1)->compare_objects(op1, op2 TSRMLS_CC));
COMPARE_RETURN_AND_FREE(SUCCESS);
}