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Use zval_try_get_string_func() in concat_function() (#18815)

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This allows a cheaper exception check and also does not need a release
call.
This shrinks concat_function() on x86-64 with GCC 15.1.1 from 3443 bytes
to 3332 bytes.
This commit is contained in:
Niels Dossche
2025-06-10 17:33:42 +02:00
committed by GitHub
parent 5f9a0b568b
commit 8f3e5553f3
1 changed files with 4 additions and 6 deletions
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10
Zend/zend_operators.c
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@@ -1989,9 +1989,8 @@ ZEND_API zend_result ZEND_FASTCALL concat_function(zval *result, zval *op1, zval
}
}
ZEND_TRY_BINARY_OBJECT_OPERATION(ZEND_CONCAT);
op1_string = zval_get_string_func(op1);
if (UNEXPECTED(EG(exception))) {
zend_string_release(op1_string);
op1_string = zval_try_get_string_func(op1);
if (UNEXPECTED(!op1_string)) {
if (orig_op1 != result) {
ZVAL_UNDEF(result);
}
@@ -2023,10 +2022,9 @@ ZEND_API zend_result ZEND_FASTCALL concat_function(zval *result, zval *op1, zval
free_op1_string = true;
}
ZEND_TRY_BINARY_OP2_OBJECT_OPERATION(ZEND_CONCAT);
op2_string = zval_get_string_func(op2);
if (UNEXPECTED(EG(exception))) {
op2_string = zval_try_get_string_func(op2);
if (UNEXPECTED(!op2_string)) {
zend_string_release(op1_string);
zend_string_release(op2_string);
if (orig_op1 != result) {
ZVAL_UNDEF(result);
}