From 99abecec282f0f727a1fb635a1dc09264552796c Mon Sep 17 00:00:00 2001
From: Christian Rades <c.rades@shopware.com>
Date: Wed, 18 Jan 2023 13:57:18 +0100
Subject: [PATCH] Add is_identical for zvals

---
 allowed_bindings.rs |  1 +
 src/types/zval.rs   | 16 ++++++++++++++--
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/allowed_bindings.rs b/allowed_bindings.rs
index 6afa7ca35..d07be358a 100644
--- a/allowed_bindings.rs
+++ b/allowed_bindings.rs
@@ -88,6 +88,7 @@ bind! {
     zend_hash_str_update,
     zend_internal_arg_info,
     zend_is_callable,
+    zend_is_identical,
     zend_long,
     zend_lookup_class_ex,
     zend_module_entry,
diff --git a/src/types/zval.rs b/src/types/zval.rs
index 34c8c81a1..2809a03a9 100644
--- a/src/types/zval.rs
+++ b/src/types/zval.rs
@@ -11,8 +11,8 @@ use crate::{
     convert::{FromZval, FromZvalMut, IntoZval, IntoZvalDyn},
     error::{Error, Result},
     ffi::{
-        _zval_struct__bindgen_ty_1, _zval_struct__bindgen_ty_2, zend_is_callable, zend_resource,
-        zend_value, zval, zval_ptr_dtor,
+        _zval_struct__bindgen_ty_1, _zval_struct__bindgen_ty_2, zend_is_callable, zend_is_identical, zend_resource,
+        zend_value, zval, zval_ptr_dtor, 
     },
     flags::DataType,
     flags::ZvalTypeFlags,
@@ -327,6 +327,18 @@ impl Zval {
         unsafe { zend_is_callable(ptr as *mut Self, 0, std::ptr::null_mut()) }
     }
 
+    /// Checks if the zval is identical to another one.
+    /// This works like `===` in php.
+    ///
+    /// # Parameters
+    ///
+    /// * `other` - The the zval to check identity against.
+    pub fn is_identical(&self, other: &Self) -> bool {
+        let self_p: *const Self = self;
+        let other_p: *const Self = other;
+        unsafe { zend_is_identical(self_p as *mut Self, other_p as *mut Self) }
+    }
+
     /// Returns true if the zval contains a pointer, false otherwise.
     pub fn is_ptr(&self) -> bool {
         self.get_type() == DataType::Ptr