From cac18ef73a39b4ac41fa4d6ccb753804d4c42cb7 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Sat, 20 Jun 2026 00:31:45 +0900
Subject: feat(php-shim): implement count()

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
---
 crates/shirabe-php-shim/src/lib.rs | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

(limited to 'crates/shirabe-php-shim')

diff --git a/crates/shirabe-php-shim/src/lib.rs b/crates/shirabe-php-shim/src/lib.rs
index 5821819..d643260 100644
--- a/crates/shirabe-php-shim/src/lib.rs
+++ b/crates/shirabe-php-shim/src/lib.rs
@@ -2137,8 +2137,20 @@ pub fn trim(s: &str, chars: Option<&str>) -> String {
     s.trim_matches(|c| mask.contains(&c)).to_string()
 }
 
-pub fn count(_value: &PhpMixed) -> i64 {
-    todo!()
+pub fn count(value: &PhpMixed) -> usize {
+    match value {
+        PhpMixed::List(items) => items.len(),
+        PhpMixed::Array(entries) => entries.len(),
+        PhpMixed::Object(object) => object.count(),
+        // PHP 8 throws a `TypeError` for non-countable arguments.
+        PhpMixed::Null
+        | PhpMixed::Bool(_)
+        | PhpMixed::Int(_)
+        | PhpMixed::Float(_)
+        | PhpMixed::String(_) => {
+            panic!("count(): Argument #1 ($value) must be of type Countable|array")
+        }
+    }
 }
 
 pub fn array_shift<T>(_array: &mut Vec<T>) -> Option<T> {
@@ -2800,6 +2812,10 @@ impl ArrayObject {
     pub fn to_array(&self) -> IndexMap<String, Box<PhpMixed>> {
         self.data.clone()
     }
+
+    pub fn count(&self) -> usize {
+        self.data.len()
+    }
 }
 
 #[derive(Debug)]
-- 
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