3v4l.org

run code in 300+ PHP versions simultaneously
<?php $xml = new XMLWriter(); $xml->openMemory(); echo "Does not work" . PHP_EOL; $xml->startElement('parent'); $xml->startElement('child'); $xml->endElement(); $xml->startAttribute('parentAttribute', 'a value'); $xml->endAttribute(); $xml->endElement(); echo $xml->outputMemory() . PHP_EOL; echo "Works" . PHP_EOL; $xml2 = new XMLWriter(); $xml2->openMemory(); $xml2->startElement('parent'); $xml2->writeAttribute('parentAttribute', 'a value'); $xml2->writeElement('child'); $xml2->endElement(); echo $xml2->outputMemory();
Output for 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
Does not work Fatal error: Uncaught ArgumentCountError: XMLWriter::startAttribute() expects exactly 1 argument, 2 given in /in/QFsfc:11 Stack trace: #0 /in/QFsfc(11): XMLWriter->startAttribute('parentAttribute', 'a value') #1 {main} thrown in /in/QFsfc on line 11
Process exited with code 255.
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 Does not work Fatal error: Uncaught ArgumentCountError: XMLWriter::startAttribute() expects exactly 1 argument, 2 given in /in/QFsfc:11 Stack trace: #0 /in/QFsfc(11): XMLWriter->startAttribute('parentAttribute', 'a value') #1 {main} thrown in /in/QFsfc on line 11
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Does not work Warning: XMLWriter::startAttribute() expects exactly 1 parameter, 2 given in /in/QFsfc on line 11 <parent><child/></parent> Works <parent parentAttribute="a value"><child/></parent>

preferences:
178.68 ms | 403 KiB | 201 Q