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run code in 300+ PHP versions simultaneously
<?php $x = simplexml_load_string('<a foo="bar" />'); $foo = $x['foo']; $foo[0] = ''; echo $x->asXML();
Output for 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Cannot create duplicate attribute in /in/23ktO:5 Stack trace: #0 {main} thrown in /in/23ktO on line 5
Process exited with code 255.
Output for 5.2.4 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Fatal error: main(): Cannot create duplicate attribute in /in/23ktO on line 5
Process exited with code 255.
Output for 5.2.2 - 5.2.3
<?xml version="1.0"?> <a foo=""/>
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.1
<?xml version="1.0"?> <a foo="bar"><foo></foo></a>
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
<?xml version="1.0"?> <a foo="bar"/>
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: simplexml_load_string() in /in/23ktO on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: simplexml_load_string() in /in/23ktO on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: simplexml_load_string() in /in/23ktO on line 3

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