Checking if the boolean string is valid

lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php

@@ -729,8 +729,17 @@ class PostgreSqlPlatform extends AbstractPlatform
             return $callback($value ? true : false);
         }
 
-        if (is_string($value) && in_array(trim(strtolower($value)), $this->booleanLiterals['false'])) {
-            return $callback(false);
+        if (is_string($value)) {
+            /**
+             * Better safe than sorry: http://php.net/in_array#106319
+             */
+            if (in_array(trim(strtolower($value)), $this->booleanLiterals['false'], true)) {
+                return $callback(false);
+            } elseif (in_array(trim(strtolower($value)), $this->booleanLiterals['true'], true)) {
+                return $callback(true);
+            } else {
+                throw new \UnexpectedValueException("Unrecognized boolean literal '${value}'");
+            }
         }
 
         return $callback(true);

tests/Doctrine/Tests/DBAL/Platforms/AbstractPostgreSqlPlatformTestCase.php

@@ -367,6 +367,15 @@ abstract class AbstractPostgreSqlPlatformTestCase extends AbstractPlatformTestCa
         $this->assertTrue($platform->convertFromBoolean('1'));
     }
 
+    /**
+     * @expectedException        UnexpectedValueException
+     * @expectedExceptionMessage Unrecognized boolean literal 'my-bool'
+     */
+    public function testThrowsExceptionWithInvalidBooleanLiteral()
+    {
+        $platform = $this->createPlatform()->convertBooleansToDatabaseValue("my-bool");
+    }
+
     public function testGetCreateSchemaSQL()
     {
         $schemaName = 'schema';