Online PHP editor | output for 4ONbD

Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.7: Fatal error: Uncaught TypeError: simplexml_load_string(): Argument #2 ($class_name) must be a class name derived from SimpleXMLElement or null, 1 given in /in/4ONbD:4 Stack trace: #0 /in/4ONbD(4): simplexml_load_string('<segurado>\n<nom...', '1') #1 {main} thrown in /in/4ONbD on line 4
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28: Fatal error: Uncaught TypeError: simplexml_load_string(): Argument #2 ($class_name) must be a class name derived from SimpleXMLElement or null, 1 given in /in/4ONbD:15 Stack trace: #0 /in/4ONbD(15): simplexml_load_string('<segurado>\n<nom...', '1') #1 {main} thrown in /in/4ONbD on line 15
Process exited with code 255.
Output for 5.2.0 - 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, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Warning: simplexml_load_string() expects parameter 2 to be a class name derived from SimpleXMLElement, '1' given in /in/4ONbD on line 15 array(0) { }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6: Fatal error: simplexml_load_string(): Class 1 does not exist in /in/4ONbD on line 15
Process exited with code 255.
Output for 4.4.5 - 4.4.9: Fatal error: Call to undefined function: simplexml_load_string() in /in/4ONbD on line 4
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/4ONbD on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Call to undefined function: simplexml_load_string() in /in/4ONbD on line 4