Arginfo: add and use known strings for attribute values

Author: DanielEScherzer

Zend/zend_constants_arginfo.h

@@ -636,6 +636,12 @@ EMPTY_SWITCH_DEFAULT_CASE()
 	_(ZEND_STR_SINCE,                  "since") \
 	_(ZEND_STR_GET,                    "get") \
 	_(ZEND_STR_SET,                    "set") \
+	_(ZEND_STR_8_DOT_0,                "8.0") \
+	_(ZEND_STR_8_DOT_1,                "8.1") \
+	_(ZEND_STR_8_DOT_2,                "8.2") \
+	_(ZEND_STR_8_DOT_3,                "8.3") \
+	_(ZEND_STR_8_DOT_4,                "8.4") \
+	_(ZEND_STR_8_DOT_5,                "8.5") \
 
 
 typedef enum _zend_known_string_id {

Zend/zend_string.h

@@ -3058,6 +3058,12 @@ class StringBuilder {
         "username" => "ZEND_STR_USERNAME",
         "password" => "ZEND_STR_PASSWORD",
         "clone" => "ZEND_STR_CLONE",
+        '8.0' => 'ZEND_STR_8_DOT_0',
+        '8.1' => 'ZEND_STR_8_DOT_1',
+        '8.2' => 'ZEND_STR_8_DOT_2',
+        '8.3' => 'ZEND_STR_8_DOT_3',
+        '8.4' => 'ZEND_STR_8_DOT_4',
+        '8.5' => 'ZEND_STR_8_DOT_5',
     ];
 
     /**
@@ -3358,10 +3364,26 @@ public function generateCode(string $invocation, string $nameSuffix, array $allC
         $code .= $stringRelease;
 
         foreach ($this->args as $i => $arg) {
-            $value = EvaluatedValue::createFromExpression($arg->value, null, null, $allConstInfos);
-            $zvalName = "attribute_{$escapedAttributeName}_{$nameSuffix}_arg$i";
-            $code .= $value->initializeZval($zvalName);
-            $code .= "\tZVAL_COPY_VALUE(&attribute_{$escapedAttributeName}_{$nameSuffix}->args[$i].value, &$zvalName);\n";
+            $initValue = '';
+            if ($arg->value instanceof Node\Scalar\String_) {
+                $strVal = $arg->value->value;
+                [$strInit, $strUse, $strRelease] = StringBuilder::getString(
+                    'unused',
+                    $strVal,
+                    $phpVersionIdMinimumCompatibility
+                );
+                if ($strInit === '') {
+                    $initValue = "\tZVAL_STR(&attribute_{$escapedAttributeName}_{$nameSuffix}->args[$i].value, $strUse);\n";
+                }
+            }
+            if ($initValue === '') {
+                $value = EvaluatedValue::createFromExpression($arg->value, null, null, $allConstInfos);
+                $zvalName = "attribute_{$escapedAttributeName}_{$nameSuffix}_arg$i";
+                $code .= $value->initializeZval($zvalName);
+                $code .= "\tZVAL_COPY_VALUE(&attribute_{$escapedAttributeName}_{$nameSuffix}->args[$i].value, &$zvalName);\n";
+            } else {
+                $code .= $initValue;
+            }
             if ($arg->name) {
                 [$stringInit, $nameCode, $stringRelease] = StringBuilder::getString(
                     "",