Online PHP editor | rfc for oOALg

@ 2013-04-19T11:18:12Z

<?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()
        {
            return count($this);
        }

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

            foreach ($children as $key => $child) {
                if (!in_array($key, $all))
					$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>'.
         '          <row4 ver="4.0">my test data</row4>'.
         '      </rows>'.
         '  </body>'.
         '</request>';

	$obj = new MyXML($s);
                     
	$row = $obj->firstChild()->firstChild()->row4;

	var_dump($row);

Output for git.master, git.master_jit, rfc.property-hooks: 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/oOALg on line 20 object(MyXML)#4 (2) { ["@attributes"]=> array(1) { ["ver"]=> string(3) "4.0" } [0]=> string(12) "my test data" }

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