3v4l.org

run code in 300+ PHP versions simultaneously
<?php $serializer = &new XML_Serializer($options); $foo = PEAR::raiseError('Just a test', 1234); $result = $serializer->serialize($foo); ?>
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.18
Deprecated: Assigning the return value of new by reference is deprecated in /in/8OEuf on line 3 Fatal error: Class 'XML_Serializer' not found in /in/8OEuf on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Strict Standards: Assigning the return value of new by reference is deprecated in /in/8OEuf on line 3 Fatal error: Class 'XML_Serializer' not found in /in/8OEuf on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: xml_serializer in /in/8OEuf on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: xml_serializer in /in/8OEuf on line 3
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213.74 ms | 1399 KiB | 107 Q