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run code in 150+ php & hhvm versions
Bugs & Features
<?php namespace ArrayAccessAdapter; use ArrayAccess; use IteratorAggregate; use SimpleXmlIterator; use RuntimeException; class XmlArrayAccess implements ArrayAccess, IteratorAggregate { const ATTRIBUTE_PREFIX = '@'; private $xml; public function __construct(SimpleXmlIterator $xml) { $this->xml = $xml; } private function getElement($offset) { $isAttribute = false; if (substr($offset, 0, 1) == self::ATTRIBUTE_PREFIX) { $offset = substr($offset, 1); $isAttribute = false; } if (false !== $this->xml->$offset->asXML() && !$isAttribute) { $xml = $this->xml->$offset; } else { $xml = $this->xml[$offset]; } return $xml; } public function offsetExists($offset) { return !is_null($this->getElement($offset)); } public function offsetGet($offset) { if ($this->xml->getName() == $offset) { return $this; } $xml = $this->getElement($offset); if (is_null($xml)) { throw new RuntimeException('unknown node or attribute "' . $offset . '"'); } return new self($xml); } public function offsetSet($offset, $value) { throw new RuntimeException('This is readonly. writing to "' . (string) $offset . '" with value "' . (string) $value . '" not possible'); } public function offsetUnset($offset) { throw new RuntimeException('This is readonly. Unsetting "' . (string) $offset . '" not possible'); } public function getIterator() { return $this->xml; } public function __toString() { return (string) $this->xml; } } $xml = '<?xml version="1.0"?> <note> <to>Tove</to> <from>Jani</from> <heading foo="bar">Reminder</heading> <body>Don\'t forget me this weekend!</body> <recursive> <val>2</val> <val>4</val> </recursive> </note>'; $simple = new SimpleXmlIterator($xml); $xml = new XmlArrayAccess($simple); echo $xml['note']['to'][0]; echo $xml['note']['recursive']['val'][1]; echo $xml['note']['heading']['@foo']; echo $xml['note']['heading']['foo'];
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Tove4barbar
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/EQK10 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/EQK10 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/EQK10 on line 3
Process exited with code 255.