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Very simple, but very effective optimization. Provides a signifigant speed

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improvement to matches done via '=='.  This checks that the lengths of two
strings are equal before performing a memcmp() on them.
This commit is contained in:
Sterling Hughes 2003-06-29 01:49:10 +00:00
parent 505fd434ac
commit f605f0b708
1 changed files with 5 additions and 1 deletions
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6
Zend/zend_operators.c
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@ -1200,7 +1200,11 @@ ZEND_API int compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
}
if (op1->type == IS_STRING && op2->type == IS_STRING) {
zendi_smart_strcmp(result, op1, op2);
if (op1->value.str.len == op2->value.str.len) {
zendi_smart_strcmp(result, op1, op2);
} else {
ZVAL_LONG(result, 1);
}
return SUCCESS;
}