Fix bug #78770

Refactor the zend_is_callable implementation to check callability
at a particular frame (this is an implementation detail for now,
but could be exposed in the API if useful). Pick the first parent
user frame as the one to check.

1 files changed, 25 insertions, 0 deletions

diff --git a/Zend/tests/bug78770.phpt b/Zend/tests/bug78770.phpt
new file mode 100644
index 0000000000..b1cf783b95
--- /dev/null
+++ b/Zend/tests/bug78770.phpt
@@ -0,0 +1,25 @@
+--TEST--
+Bug #78770: Incorrect callability check inside internal methods
+--SKIPIF--
+<?php
+if (!extension_loaded("intl")) die("skip requires intl");
+?>
+--FILE--
+<?php
+
+class Test {
+    public function method() {
+        IntlChar::enumCharTypes([$this, 'privateMethod']);
+        IntlChar::enumCharTypes('self::privateMethod');
+    }
+
+    private function privateMethod($start, $end, $name) {
+    }
+}
+
+(new Test)->method();
+
+?>
+===DONE===
+--EXPECT--
+===DONE===