Handle exceptions in casting more gracefully.

This fixes bug #26166

1 files changed, 67 insertions, 0 deletions

diff --git a/Zend/tests/bug26166.phpt b/Zend/tests/bug26166.phpt
new file mode 100755
index 0000000000..46a8e3a614
--- /dev/null
+++ b/Zend/tests/bug26166.phpt
@@ -0,0 +1,67 @@
+--TEST--
+Bug #26166: __toString() crash when no values returned
+--FILE--
+<?php
+class Foo
+{
+    function __toString()
+    {
+        return "Hello World!\n";
+    }
+}
+
+class Bar
+{
+    private $obj;
+
+    function __construct()
+    {
+        $this->obj = new Foo();
+    }
+
+    function __toString()
+    {
+        return $this->obj->__toString();
+    }
+}
+
+$o = new Bar;
+echo $o;
+
+echo "===THROW===\n";
+
+class Error 
+{
+	function __toString() {
+		throw new Exception("This is an error!");
+	}
+}
+
+$o = new Error;
+try {
+	echo $o;
+}
+catch (Exception $e) {
+	echo "Got the exception\n";
+}
+
+echo "===NONE===\n";
+
+class None
+{
+	function __toString() {
+	}
+}
+
+$o = new None;
+echo $o;
+
+?>
+===DONE===
+--EXPECTF--
+Hello World!
+===THROW===
+Got the exception
+===NONE===
+
+Fatal error: Method none::__toString() must return a string value in %sbug26166.php on line %d