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run code in 300+ PHP versions simultaneously
<?php var_dump(simplexml_load_string('<a><b/><c><x/></c></a>')->c); var_dump(LIBXML_DOTTED_VERSION);
Output for 8.4.1 - 8.4.13
object(SimpleXMLElement)#2 (1) { ["x"]=> object(SimpleXMLElement)#1 (0) { } } string(5) "2.9.4"
Output for 5.4.28 - 5.4.45, 5.5.12 - 5.5.26, 5.6.0 - 5.6.10, 5.6.20 - 5.6.38, 7.0.5 - 7.0.32, 7.1.0 - 7.1.25, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26
object(SimpleXMLElement)#2 (1) { ["x"]=> object(SimpleXMLElement)#3 (0) { } } string(5) "2.9.4"
Output for 5.5.27 - 5.5.38, 5.6.11 - 5.6.19, 7.0.0 - 7.0.4
object(SimpleXMLElement)#2 (1) { [0]=> object(SimpleXMLElement)#3 (1) { ["x"]=> object(SimpleXMLElement)#4 (0) { } } } string(5) "2.9.4"
Output for 5.4.0 - 5.4.27, 5.5.0 - 5.5.11
object(SimpleXMLElement)#2 (1) { [0]=> object(SimpleXMLElement)#3 (1) { [0]=> object(SimpleXMLElement)#4 (0) { } } } string(5) "2.9.4"
Output for 5.3.25 - 5.3.29
object(SimpleXMLElement)#2 (1) { ["x"]=> object(SimpleXMLElement)#3 (0) { } } string(5) "2.9.1"
Output for 5.3.15 - 5.3.24
object(SimpleXMLElement)#2 (1) { ["x"]=> object(SimpleXMLElement)#3 (0) { } } string(5) "2.8.0"
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.14
object(SimpleXMLElement)#2 (1) { ["x"]=> object(SimpleXMLElement)#3 (0) { } } string(5) "2.7.8"
Output for 5.0.0 - 5.0.5
object(SimpleXMLElement)#2 (1) { ["x"]=> object(SimpleXMLElement)#3 (0) { } } Notice: Use of undefined constant LIBXML_DOTTED_VERSION - assumed 'LIBXML_DOTTED_VERSION' in /in/EkA3UB on line 3 string(21) "LIBXML_DOTTED_VERSION"
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/EkA3UB on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/EkA3UB on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/EkA3UB on line 2
Process exited with code 255.

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