fix(aot): 修复数组复合赋值表达式返回值

修复复合赋值运算符（如 +=）在数组元素上使用时返回值错误的问题。
之前代码使用了存储变量而非读取变量进行运算，并且未正确返回运算结果。
现在通过使用读取变量参与计算并返回临时变量值来修复此问题，
同时添加了 FFI 和数组相关的测试用例。

src/Php/Parser/AssignOpTrait.php

@@ -386,18 +386,19 @@ trait AssignOpTrait
             $tmpVar    = $this->genTmpVarName();
             $this->addLocalVar($tmpVar, $rightType);
             $dim      = $this->parseIdentifier($node->var->dim);
+            $readVar  = $this->parseArrayDimFetch($node->var, false);
             $binaryOp = $this->removeAssignOp($op);
 
             if ($binaryOp === '.') {
                 $this->context->beforeStmtLines[] = "{$tmpVar} = php::concat(" .
-                    $this->convertVarType($tmpVar, $var) . ', ' .
+                    $this->convertVarType($tmpVar, $readVar) . ', ' .
                     $this->convertExprType($expr, $type, $rightType) . ');';
             } elseif ($type === self::TYPE_BIGINT || $type === self::TYPE_DECIMAL || $type === self::TYPE_BIGFLOAT) {
-                $bigAssign = $this->parseBigAssignOpExpr($var, $type, $expr, $rightType, $binaryOp, $node->var, $node->expr);
+                $bigAssign = $this->parseBigAssignOpExpr($readVar, $type, $expr, $rightType, $binaryOp, $node->var, $node->expr);
                 $this->context->beforeStmtLines[] = "{$tmpVar} = {$bigAssign};";
             } else {
                 $this->context->beforeStmtLines[] = "{$tmpVar} = " .
-                    $this->convertVarType($tmpVar, $var) . ' ' .
+                    $this->convertVarType($tmpVar, $readVar) . ' ' .
                     $binaryOp . ' ' .
                     $this->convertExprType($expr, $type, $rightType) . ';';
             }
@@ -405,7 +406,7 @@ trait AssignOpTrait
             if ($this->isVarExpr($node->var->var) && $node->var->var->name === 'GLOBALS') {
                 return $var . ' = ' . $tmpVar;
             }
-            return $this->parseArrayDimStore($node->var->var, $dim, $tmpVar);
+            return '(' . $this->parseArrayDimStore($node->var->var, $dim, $tmpVar) . ', ' . $tmpVar . ')';
         }
 
         if ($this->isPropertyFetch($node->var) and !$this->isNativePropertyAccess($node->var)) {

tests/aot/array/array_assignment_operators.phpt

@@ -95,6 +95,11 @@ $seqArray['counter'] -= 3;
 $seqArray['counter'] /= 7;
 var_dump($seqArray['counter']); // 1 (7*2-3=7, then 7/7=1)
 
+$exprResult = ['value' => 10];
+$compoundResult = ($exprResult['value'] += 5);
+var_dump($exprResult['value']);
+var_dump($compoundResult);
+
 echo "All array assignment tests passed!\n";
 ?>
 --EXPECT--
@@ -121,4 +126,6 @@ string(33) "nested array assignment operators"
 int(150)
 int(15)
 int(1)
-All array assignment tests passed!
+int(15)
+int(15)
+All array assignment tests passed!

tests/aot/ffi/addr-cast-sizeof.phpt

@@ -0,0 +1,31 @@
+--TEST--
+FFI addr cast typeof and sizeof
+--EXTENSIONS--
+ffi
+--ENV--
+USE_ZEND_ALLOC=0
+--INI--
+ffi.enable=1
+--FILE--
+<?php
+
+function main(): void
+{
+    $value = FFI::new("int");
+    $value->cdata = 123;
+
+    $addr = FFI::addr($value);
+    $ptr = FFI::cast("int*", $addr);
+    $type = FFI::typeof($value);
+
+    var_dump($addr instanceof FFI\CData);
+    var_dump($ptr instanceof FFI\CData);
+    var_dump($type instanceof FFI\CType);
+    var_dump(FFI::sizeof($type));
+}
+?>
+--EXPECT--
+bool(true)
+bool(true)
+bool(true)
+int(4)

tests/aot/ffi/array-assignment.phpt

@@ -0,0 +1,32 @@
+--TEST--
+FFI multidimensional array assignment keeps CData containers
+--EXTENSIONS--
+ffi
+--ENV--
+USE_ZEND_ALLOC=0
+--INI--
+ffi.enable=1
+--FILE--
+<?php
+
+function main(): void
+{
+    $ffi = FFI::cdef();
+
+    $matrix = $ffi->new("int[2][2]");
+    $row = $ffi->new("int[2]");
+    $row[0] = 11;
+    $row[1] = 22;
+    $matrix[1] = $row;
+
+    var_dump($matrix instanceof FFI\CData);
+    var_dump($row instanceof FFI\CData);
+    var_dump(FFI::sizeof($matrix));
+    var_dump(FFI::sizeof($row));
+}
+?>
+--EXPECT--
+bool(true)
+bool(true)
+int(16)
+int(8)

tests/aot/ffi/array-compound-assignment.phpt

@@ -0,0 +1,34 @@
+--TEST--
+FFI array element compound assignment reads scalar value
+--EXTENSIONS--
+ffi
+--ENV--
+USE_ZEND_ALLOC=0
+--INI--
+ffi.enable=1
+--FILE--
+<?php
+
+function main(): void
+{
+    $array = FFI::new("int[3]");
+    $array[0] = 10;
+    $array[1] = 20;
+    $array[2] = 30;
+
+    $result = ($array[0] += 5);
+    var_dump($array[0]);
+    var_dump($result);
+
+    $array[1] *= 2;
+    var_dump($array[1]);
+
+    $array[2] -= $array[0];
+    var_dump($array[2]);
+}
+?>
+--EXPECT--
+int(15)
+int(15)
+int(40)
+int(15)

tests/aot/ffi/array-scalar-read.phpt

@@ -0,0 +1,31 @@
+--TEST--
+FFI array element scalar read matches PHP
+--EXTENSIONS--
+ffi
+--ENV--
+USE_ZEND_ALLOC=0
+--INI--
+ffi.enable=1
+--FILE--
+<?php
+
+function main(): void
+{
+    $array = FFI::new("int[3]");
+    $array[0] = 10;
+    $array[1] = 20;
+    $array[2] = 30;
+
+    var_dump($array[0]);
+    var_dump($array[0] + $array[1]);
+    var_dump($array[0] === 10);
+    var_dump($array[0] == 10);
+    var_dump(is_int($array[0]));
+}
+?>
+--EXPECT--
+int(10)
+int(30)
+bool(true)
+bool(true)
+bool(true)

tests/aot/ffi/basic.phpt

@@ -0,0 +1,34 @@
+--TEST--
+FFI basic CData and libc call
+--EXTENSIONS--
+ffi
+--ENV--
+USE_ZEND_ALLOC=0
+--INI--
+ffi.enable=1
+--SKIPIF--
+<?php
+try {
+    FFI::cdef("int abs(int);", "libc.so.6");
+} catch (Throwable $e) {
+    die("skip FFI::cdef is not available: " . $e->getMessage());
+}
+?>
+--FILE--
+<?php
+
+function main(): void
+{
+    $array = FFI::new("int[3]");
+    $array[0] = 10;
+    $array[1] = 20;
+    $array[2] = 30;
+    var_dump($array instanceof FFI\CData);
+
+    $libc = FFI::cdef("int abs(int);", "libc.so.6");
+    var_dump($libc->abs(-42));
+}
+?>
+--EXPECT--
+bool(true)
+int(42)

tests/aot/ffi/cdef-declarations.phpt

@@ -0,0 +1,50 @@
+--TEST--
+FFI cdef declarations create structs enums and functions
+--EXTENSIONS--
+ffi
+--ENV--
+USE_ZEND_ALLOC=0
+--INI--
+ffi.enable=1
+--SKIPIF--
+<?php
+try {
+    FFI::cdef("int abs(int);", "libc.so.6");
+} catch (Throwable $e) {
+    die("skip FFI::cdef is not available: " . $e->getMessage());
+}
+?>
+--FILE--
+<?php
+
+function main(): void
+{
+    $ffi = FFI::cdef(<<<'CDEF'
+        typedef struct point {
+            int x;
+            int y;
+        } point_t;
+
+        enum color {
+            COLOR_RED = 1,
+            COLOR_GREEN = 2
+        };
+
+        int abs(int);
+    CDEF
+    , "libc.so.6");
+
+    $point = FFI::new("struct point { int x; int y; }");
+    $color = FFI::new("enum color { COLOR_RED = 1, COLOR_GREEN = 2 }");
+
+    var_dump($point instanceof FFI\CData);
+    var_dump($color instanceof FFI\CData);
+    var_dump(FFI::sizeof($point));
+    var_dump($ffi->abs(-7));
+}
+?>
+--EXPECT--
+bool(true)
+bool(true)
+int(8)
+int(7)

tests/aot/ffi/struct-fields.phpt

@@ -0,0 +1,32 @@
+--TEST--
+FFI struct field write and address
+--EXTENSIONS--
+ffi
+--ENV--
+USE_ZEND_ALLOC=0
+--INI--
+ffi.enable=1
+--FILE--
+<?php
+
+function main(): void
+{
+    $node = FFI::new(<<<'CDEF'
+        struct node {
+            int id;
+            int value;
+        }
+    CDEF);
+    $node->id = 123;
+    $node->value = 456;
+    $addr = FFI::addr($node);
+
+    var_dump($node instanceof FFI\CData);
+    var_dump($addr instanceof FFI\CData);
+    var_dump(FFI::sizeof($node));
+}
+?>
+--EXPECTF--
+bool(true)
+bool(true)
+int(%d)