3v4l.org

run code in 500+ PHP versions simultaneously
<?php $xml = new SimpleXmlElement( <<<XML <root/> XML ); $xml->a->b[0] = 'Works'; echo $xml->asXML(); $xml = new SimpleXmlElement( <<<XML <root/> XML ); $xml->a->b->{0} = 'Only works before PHP 7.0'; echo $xml->asXML();
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
<?xml version="1.0"?> <root><a><b>Works</b></a></root> <?xml version="1.0"?> <root><a><b><0>Only works before PHP 7.0</0></b></a></root>
Output for 5.2.2 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
<?xml version="1.0"?> <root><a><b>Works</b></a></root> <?xml version="1.0"?> <root><a><b>Only works before PHP 7.0</b></a></root>
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.1
<?xml version="1.0"?> <root><a><b/><b>Works</b></a></root> <?xml version="1.0"?> <root><a><b/><b>Only works before PHP 7.0</b></a></root>
Output for 5.1.2
<?xml version="1.0"?> <root/> Strict Standards: Creating default object from empty value in /in/cliKZ on line 20 <?xml version="1.0"?> <root/>
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.1
<?xml version="1.0"?> <root/> Strict Standards: Creating default object from empty value in /in/cliKZ on line 18 <?xml version="1.0"?> <root/>
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.1, 4.4.3 - 4.4.9
Fatal error: Property name must be a string in /in/cliKZ on line 18
Process exited with code 255.
Output for 4.4.2
Fatal error: Property name must be a string in /in/cliKZ on line 20
Process exited with code 255.
Output for 4.3.2
Fatal error: Cannot instantiate non-existent class: simplexmlelement in /in/cliKZ on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: simplexmlelement in /in/cliKZ on line 2

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