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run code in 300+ PHP versions simultaneously
<?php $doc = new DOMDocument(); $doc->appendChild($doc->createElement('container')); $doc->documentElement->setAttributeNode($doc->createAttributeNS('http://php.net/ns1', 'hello')); echo $doc->saveXML();
Output for 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
<?xml version="1.0"?> <container xmlns:default="http://php.net/ns1" default:hello=""/>
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 5.0.0, 5.1.0, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29
<?xml version="1.0"?> <container xmlns="http://php.net/ns1" hello=""/>

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