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run code in 300+ PHP versions simultaneously
<?php $xml = new XMLWriter(); $xml->openMemory(); $xml->startElement('parent'); $xml->writeElement('child'); $xml->writeAttribute('parentAttribute', 'a value'); $xml->endElement(); echo $xml->outputMemory(); $xml2 = new XMLWriter(); $xml2->openMemory(); $xml2->startElement('parent'); $xml2->writeAttribute('parentAttribute', 'a value'); $xml2->writeElement('child'); $xml2->endElement(); echo $xml2->outputMemory();
Output for 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
<parent><child/></parent><parent parentAttribute="a value"><child/></parent>
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 <parent><child/></parent><parent parentAttribute="a value"><child/></parent>

preferences:
161.05 ms | 402 KiB | 188 Q