3v4l.org

run code in 300+ PHP versions simultaneously
<?php $xml = new XMLWriter(); $xml->openURI("php://output"); $xml->startDocument(); $xml->startElement("PostContent"); $xml->writeCDATA('<![CDATA[Foo & Bar]]>'); $xml->endElement(); $xml->endElement();
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
<?xml version="1.0"?> <PostContent><![CDATA[<![CDATA[Foo & Bar]]>]]></PostContent>
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.1
Fatal error: Class 'XMLWriter' not found in /in/eSEfn 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: xmlwriter in /in/eSEfn on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: xmlwriter in /in/eSEfn on line 3

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228.1 ms | 401 KiB | 325 Q