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<?php $a = array( 'id' => 1, 'name' => 'Jacopo', 'male' => true, 'birthday' => new DateTime('1988-07-26'), 'hobbies' => array( 'Programming', 'TV Shows', 'Skiing' ) ); $xml = new SimpleXMLElement('<root/>'); array_walk_recursive($a, array ($xml, 'addChild')); print $xml->asXML();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: SimpleXMLElement::addChild(): Argument #1 ($qualifiedName) must be of type string, DateTime given in /in/KgWjt:15 Stack trace: #0 [internal function]: SimpleXMLElement->addChild(Object(DateTime), 'birthday') #1 /in/KgWjt(15): array_walk_recursive(Array, Array) #2 {main} thrown in /in/KgWjt 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 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: SimpleXMLElement::addChild() expects parameter 1 to be string, object given in /in/KgWjt on line 15 <?xml version="1.0"?> <root><1>id</1><Jacopo>name</Jacopo><1>male</1><Programming>0</Programming><TV Shows>1</TV Shows><Skiing>2</Skiing></root>
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/KgWjt on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/KgWjt on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/KgWjt on line 6

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