add output

src/builders/sapi.rs

@@ -1,7 +1,7 @@
 use crate::ffi::sapi_header_struct;
 use crate::{embed::SapiModule, error::Result};
 
-use std::ffi::c_void;
+use std::ffi::{c_char, c_void};
 use std::{ffi::CString, ptr};
 
 pub struct SapiBuilder {
@@ -56,6 +56,11 @@ impl SapiBuilder {
         }
     }
 
+    pub fn ub_write_function(mut self, func: SapiUbWriteFunc) -> Self {
+        self.module.ub_write = Some(func);
+        self
+    }
+
     /// Sets the send header function for this SAPI
     ///
     /// # Arguments
@@ -81,8 +86,11 @@ impl SapiBuilder {
     }
 }
 
-/// A function to be called when the extension is starting up or shutting down.
+/// A function to be called when PHP send a header
 pub type SapiSendHeaderFunc =
     extern "C" fn(header: *mut sapi_header_struct, server_context: *mut c_void);
 
+/// A function to be called when PHP write to the output buffer
+pub type SapiUbWriteFunc = extern "C" fn(str: *const c_char, str_length: usize) -> usize;
+
 extern "C" fn dummy_send_header(_header: *mut sapi_header_struct, _server_context: *mut c_void) {}

tests/sapi.rs

@@ -1,6 +1,8 @@
 #![cfg_attr(windows, feature(abi_vectorcall))]
 extern crate ext_php_rs;
 
+#[cfg(feature = "embed")]
+use std::ffi::c_char;
 #[cfg(feature = "embed")]
 use ext_php_rs::builders::SapiBuilder;
 #[cfg(feature = "embed")]
@@ -14,10 +16,29 @@ use ext_php_rs::prelude::*;
 #[cfg(feature = "embed")]
 use ext_php_rs::zend::try_catch;
 
+#[cfg(feature = "embed")]
+static mut LAST_OUTPUT: String = String::new();
+
+#[cfg(feature = "embed")]
+extern "C" fn output_tester(str: *const c_char, str_length: usize) -> usize {
+    let char = unsafe { std::slice::from_raw_parts(str as *const u8, str_length) };
+    let string = String::from_utf8_lossy(char);
+
+    println!("{}", string);
+
+    unsafe {
+        LAST_OUTPUT = string.to_string();
+    };
+
+    str_length
+}
+
 #[test]
 #[cfg(feature = "embed")]
 fn test_sapi() {
-    let builder = SapiBuilder::new("test", "Test");
+    let mut builder = SapiBuilder::new("test", "Test");
+    builder = builder.ub_write_function(output_tester);
+
     let sapi = builder.build().unwrap().into_raw();
     let module = get_module();
 
@@ -50,6 +71,10 @@ fn test_sapi() {
             let string = zval.string().unwrap();
 
             assert_eq!(string.to_string(), "Hello, foo!");
+
+            let result = Embed::eval("var_dump($foo);");
+
+            assert!(result.is_ok());
         },
         true,
     );
@@ -58,6 +83,10 @@ fn test_sapi() {
         php_request_shutdown(std::ptr::null_mut());
     }
 
+    unsafe {
+        assert_eq!(LAST_OUTPUT, "string(11) \"Hello, foo!\"\n");
+    }
+
     unsafe {
         php_module_shutdown();
     }