Add function type helper function

src/zend/ex.rs

@@ -6,6 +6,8 @@ use crate::{
     types::{ZendClassObject, ZendObject, Zval},
 };
 
+use super::function::Function;
+
 /// Execute data passed when a function is called from PHP.
 ///
 /// This generally contains things related to the call, including but not
@@ -194,6 +196,16 @@ impl ExecuteData {
         self.This.object_mut()
     }
 
+    /// Attempt to retrieve the function that is being called.
+    pub fn function(&self) -> Option<&Function> {
+        unsafe { self.func.as_ref() }
+    }
+
+    /// Attempt to retrieve the previous execute data on the call stack.
+    pub fn previous(&self) -> Option<&Self> {
+        unsafe { self.prev_execute_data.as_ref() }
+    }
+
     /// Translation of macro `ZEND_CALL_ARG(call, n)`
     /// zend_compile.h:578
     ///

src/zend/function.rs

@@ -9,6 +9,7 @@ use crate::{
         zend_call_known_function, zend_fetch_function_str, zend_function, zend_function_entry,
         zend_hash_str_find_ptr_lc,
     },
+    flags::FunctionType,
     types::Zval,
 };
 
@@ -50,6 +51,10 @@ impl FunctionEntry {
 pub type Function = zend_function;
 
 impl Function {
+    pub fn function_type(&self) -> FunctionType {
+        FunctionType::from(unsafe { self.type_ })
+    }
+
     pub fn try_from_function(name: &str) -> Option<Self> {
         unsafe {
             let res = zend_fetch_function_str(name.as_ptr() as *const c_char, name.len());