Allow exceptions in __toString()

RFC: https://wiki.php.net/rfc/tostring_exceptions

And convert some object to string conversion related recoverable
fatal errors into Error exceptions.

Improve exception safety of internal code performing string
conversions.

1 files changed, 45 insertions, 0 deletions

diff --git a/ext/pdo_sqlite/tests/pdo_sqlite_tostring_exception.phpt b/ext/pdo_sqlite/tests/pdo_sqlite_tostring_exception.phpt
new file mode 100644
index 0000000000..b1cd78eee7
--- /dev/null
+++ b/ext/pdo_sqlite/tests/pdo_sqlite_tostring_exception.phpt
@@ -0,0 +1,45 @@
+--TEST--
+__toString() exception during PDO Sqlite parameter binding
+--SKIPIF--
+<?php if (!extension_loaded('pdo_sqlite')) print 'skip not loaded'; ?>
+--FILE--
+<?php
+
+class throws {
+    function __toString() {
+        throw new Exception("Sorry");
+    }
+}
+
+$db = new PDO('sqlite::memory:');
+$db->exec('CREATE TABLE t(id int, v varchar(255))');
+
+$stmt = $db->prepare('INSERT INTO t VALUES(:i, :v)');
+$param1 = 1234;
+$stmt->bindValue('i', $param1);
+$param2 = "foo";
+$stmt->bindParam('v', $param2);
+
+$param2 = new throws;
+
+try {
+    $stmt->execute();
+} catch (Exception $e) {
+    echo "Exception thrown ...\n";
+}
+
+try {
+    $stmt->execute();
+} catch (Exception $e) {
+    echo "Exception thrown ...\n";
+}
+
+$query = $db->query("SELECT * FROM t");
+while ($row = $query->fetch(PDO::FETCH_ASSOC)) {
+    print_r($row);
+}
+
+?>
+--EXPECT--
+Exception thrown ...
+Exception thrown ...