Online PHP editor | output for PAWlv

@ 2013-04-19T11:13:46Z

<?php
    class MyXML extends SimpleXMLElement
    {
        public function firstChild()
        {
            $children = $this->children();
            foreach ($children as $child)
                break;
            return $child;
        }

		public function keyHasTwins($key)
        {
            if (isset($this->$key))
				return (count($this->$key)>1);
            else
                return false;
        }

        public function hasChildren()
        {
			return (bool)count($this->children()); 
        }

        public function nodeIsCollection()
        {
            var_dump(count($this));exit;
			return (count);
        }

        public function getChildrenKeys()
        {
            $all = [];
			$children = $this->children();

            foreach ($children as $key => $child) {
				$all[] = $key;
            }

            return $all;
        }

    }

    $s = '<?xml version="1.0" encoding="utf-8" standalone="yes" ?>'.
         '<request>'.
         '  <body>'.
         '      <rows>'.
         '          <row id="1"/>'.
         '          <row id="2"/>'.
         '          <row id="3"/>'.
         '          <row2 ver="2.0">test data</row2>'.
         '			<row2 ver="2.1">test data 2</row2>'.
         '			<row3 ver="3.0">'.
         '				<test inherit="yes">data</test>'.
         '			</row3>'.
         '      </rows>'.
         '  </body>'.
         '</request>';

	$obj = new MyXML($s);
                     
	$row = $obj->firstChild()->firstChild();

	var_dump($row->getChildrenKeys());

Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Deprecated: Return type of MyXML::hasChildren() should either be compatible with SimpleXMLElement::hasChildren(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/PAWlv on line 20 array(6) { [0]=> string(3) "row" [1]=> string(3) "row" [2]=> string(3) "row" [3]=> string(4) "row2" [4]=> string(4) "row2" [5]=> string(4) "row3" }
Output for 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 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30: array(6) { [0]=> string(3) "row" [1]=> string(3) "row" [2]=> string(3) "row" [3]=> string(4) "row2" [4]=> string(4) "row2" [5]=> string(4) "row3" }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/PAWlv on line 33
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Parse error: parse error, unexpected '[' in /in/PAWlv on line 33
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/PAWlv on line 4
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_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/PAWlv on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/PAWlv on line 4
Process exited with code 255.

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