paquettg / php-html-parser

src/PHPHtmlParser/Dom/ArrayNode.php

Indentation +24 added lines, -24 removed lines

@@ -12,31 +12,31 @@
 abstract class ArrayNode extends AbstractNode implements IteratorAggregate, Countable
 {
 
-    /**
-     * Returns the array to be used the the iterator.
-     *
-     * @return array
-     */
-    abstract protected function getIteratorArray();
+	/**
+	 * Returns the array to be used the the iterator.
+	 *
+	 * @return array
+	 */
+	abstract protected function getIteratorArray();
 
-    /**
-     * Gets the iterator
-     *
-     * @return ArrayIterator
-     */
-    public function getIterator()
-    {
-        return new ArrayIterator($this->getIteratorArray());
-    }
+	/**
+	 * Gets the iterator
+	 *
+	 * @return ArrayIterator
+	 */
+	public function getIterator()
+	{
+		return new ArrayIterator($this->getIteratorArray());
+	}
 
-    /**
-     * Returns the count of the iterator array.
-     *
-     * @return int
-     */
-    public function count()
-    {
-        return count($this->getIteratorArray());
-    }
+	/**
+	 * Returns the count of the iterator array.
+	 *
+	 * @return int
+	 */
+	public function count()
+	{
+		return count($this->getIteratorArray());
+	}
 
 }

src/PHPHtmlParser/Dom/Tag.php

Indentation +233 added lines, -233 removed lines

@@ -12,237 +12,237 @@
 class Tag
 {
 
-    /**
-     * The name of the tag.
-     *
-     * @var string
-     */
-    protected $name;
-
-    /**
-     * The attributes of the tag.
-     *
-     * @var array
-     */
-    protected $attr = [];
-
-    /**
-     * Is this tag self closing.
-     *
-     * @var bool
-     */
-    protected $selfClosing = false;
-
-    /**
-     * Tag noise
-     */
-    protected $noise = '';
-
-    /**
-     * The encoding class to... encode the tags
-     *
-     * @var mixed
-     */
-    protected $encode = null;
-
-    /**
-     * Sets up the tag with a name.
-     *
-     * @param $name
-     */
-    public function __construct($name)
-    {
-        $this->name = $name;
-    }
-
-    /**
-     * Magic method to get any of the attributes.
-     *
-     * @param string $key
-     * @return mixed
-     */
-    public function __get($key)
-    {
-        return $this->getAttribute($key);
-    }
-
-    /**
-     * Magic method to set any attribute.
-     *
-     * @param string $key
-     * @param mixed $value
-     */
-    public function __set($key, $value)
-    {
-        $this->setAttribute($key, $value);
-    }
-
-    /**
-     * Returns the name of this tag.
-     *
-     * @return string
-     */
-    public function name()
-    {
-        return $this->name;
-    }
-
-    /**
-     * Sets the tag to be self closing.
-     *
-     * @return $this
-     */
-    public function selfClosing()
-    {
-        $this->selfClosing = true;
-
-        return $this;
-    }
-
-    /**
-     * Checks if the tag is self closing.
-     *
-     * @return bool
-     */
-    public function isSelfClosing()
-    {
-        return $this->selfClosing;
-    }
-
-    /**
-     * Sets the encoding type to be used.
-     *
-     * @param Encode $encode
-     */
-    public function setEncoding(Encode $encode)
-    {
-        $this->encode = $encode;
-    }
-
-    /**
-     * Sets the noise for this tag (if any)
-     *
-     * @param $noise
-     * @return $this
-     */
-    public function noise($noise)
-    {
-        $this->noise = $noise;
-
-        return $this;
-    }
-
-    /**
-     * Set an attribute for this tag.
-     *
-     * @param string $key
-     * @param mixed $value
-     * @return $this
-     */
-    public function setAttribute($key, $value)
-    {
-        $key = strtolower($key);
-        if ( ! is_array($value)) {
-            $value = [
-                'value'       => $value,
-                'doubleQuote' => true,
-            ];
-        }
-        $this->attr[$key] = $value;
-
-        return $this;
-    }
-
-    /**
-     * Sets the attributes for this tag
-     *
-     * @param array $attr
-     * @return $this
-     */
-    public function setAttributes(array $attr)
-    {
-        foreach ($attr as $key => $value) {
-            $this->setAttribute($key, $value);
-        }
-
-        return $this;
-    }
-
-    /**
-     * Returns all attributes of this tag.
-     *
-     * @return array
-     */
-    public function getAttributes()
-    {
-        $return = [];
-        foreach ($this->attr as $attr => $info) {
-            $return[$attr] = $this->getAttribute($attr);
-        }
-
-        return $return;
-    }
-
-    /**
-     * Returns an attribute by the key
-     *
-     * @param string $key
-     * @return mixed
-     */
-    public function getAttribute($key)
-    {
-        if ( ! isset($this->attr[$key])) {
-            return null;
-        }
-        $value = $this->attr[$key]['value'];
-        if (is_string($value) AND ! is_null($this->encode)) {
-            // convert charset
-            $this->attr[$key]['value'] = $this->encode->convert($value);
-        }
-
-        return $this->attr[$key];
-    }
-
-    /**
-     * Generates the opening tag for this object.
-     *
-     * @return string
-     */
-    public function makeOpeningTag()
-    {
-        $return = '<'.$this->name;
-
-        // add the attributes
-        foreach ($this->attr as $key => $info) {
-            $info = $this->getAttribute($key);
-            $val  = $info['value'];
-            if (is_null($val)) {
-                $return .= ' '.$key;
-            } elseif ($info['doubleQuote']) {
-                $return .= ' '.$key.'="'.$val.'"';
-            } else {
-                $return .= ' '.$key.'=\''.$val.'\'';
-            }
-        }
-
-        if ($this->selfClosing) {
-            return $return.' />';
-        } else {
-            return $return.'>';
-        }
-    }
-
-    /**
-     * Generates the closing tag for this object.
-     *
-     * @return string
-     */
-    public function makeClosingTag()
-    {
-        if ($this->selfClosing) {
-            return '';
-        }
-
-        return '</'.$this->name.'>';
-    }
+	/**
+	 * The name of the tag.
+	 *
+	 * @var string
+	 */
+	protected $name;
+
+	/**
+	 * The attributes of the tag.
+	 *
+	 * @var array
+	 */
+	protected $attr = [];
+
+	/**
+	 * Is this tag self closing.
+	 *
+	 * @var bool
+	 */
+	protected $selfClosing = false;
+
+	/**
+	 * Tag noise
+	 */
+	protected $noise = '';
+
+	/**
+	 * The encoding class to... encode the tags
+	 *
+	 * @var mixed
+	 */
+	protected $encode = null;
+
+	/**
+	 * Sets up the tag with a name.
+	 *
+	 * @param $name
+	 */
+	public function __construct($name)
+	{
+		$this->name = $name;
+	}
+
+	/**
+	 * Magic method to get any of the attributes.
+	 *
+	 * @param string $key
+	 * @return mixed
+	 */
+	public function __get($key)
+	{
+		return $this->getAttribute($key);
+	}
+
+	/**
+	 * Magic method to set any attribute.
+	 *
+	 * @param string $key
+	 * @param mixed $value
+	 */
+	public function __set($key, $value)
+	{
+		$this->setAttribute($key, $value);
+	}
+
+	/**
+	 * Returns the name of this tag.
+	 *
+	 * @return string
+	 */
+	public function name()
+	{
+		return $this->name;
+	}
+
+	/**
+	 * Sets the tag to be self closing.
+	 *
+	 * @return $this
+	 */
+	public function selfClosing()
+	{
+		$this->selfClosing = true;
+
+		return $this;
+	}
+
+	/**
+	 * Checks if the tag is self closing.
+	 *
+	 * @return bool
+	 */
+	public function isSelfClosing()
+	{
+		return $this->selfClosing;
+	}
+
+	/**
+	 * Sets the encoding type to be used.
+	 *
+	 * @param Encode $encode
+	 */
+	public function setEncoding(Encode $encode)
+	{
+		$this->encode = $encode;
+	}
+
+	/**
+	 * Sets the noise for this tag (if any)
+	 *
+	 * @param $noise
+	 * @return $this
+	 */
+	public function noise($noise)
+	{
+		$this->noise = $noise;
+
+		return $this;
+	}
+
+	/**
+	 * Set an attribute for this tag.
+	 *
+	 * @param string $key
+	 * @param mixed $value
+	 * @return $this
+	 */
+	public function setAttribute($key, $value)
+	{
+		$key = strtolower($key);
+		if ( ! is_array($value)) {
+			$value = [
+				'value'       => $value,
+				'doubleQuote' => true,
+			];
+		}
+		$this->attr[$key] = $value;
+
+		return $this;
+	}
+
+	/**
+	 * Sets the attributes for this tag
+	 *
+	 * @param array $attr
+	 * @return $this
+	 */
+	public function setAttributes(array $attr)
+	{
+		foreach ($attr as $key => $value) {
+			$this->setAttribute($key, $value);
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Returns all attributes of this tag.
+	 *
+	 * @return array
+	 */
+	public function getAttributes()
+	{
+		$return = [];
+		foreach ($this->attr as $attr => $info) {
+			$return[$attr] = $this->getAttribute($attr);
+		}
+
+		return $return;
+	}
+
+	/**
+	 * Returns an attribute by the key
+	 *
+	 * @param string $key
+	 * @return mixed
+	 */
+	public function getAttribute($key)
+	{
+		if ( ! isset($this->attr[$key])) {
+			return null;
+		}
+		$value = $this->attr[$key]['value'];
+		if (is_string($value) AND ! is_null($this->encode)) {
+			// convert charset
+			$this->attr[$key]['value'] = $this->encode->convert($value);
+		}
+
+		return $this->attr[$key];
+	}
+
+	/**
+	 * Generates the opening tag for this object.
+	 *
+	 * @return string
+	 */
+	public function makeOpeningTag()
+	{
+		$return = '<'.$this->name;
+
+		// add the attributes
+		foreach ($this->attr as $key => $info) {
+			$info = $this->getAttribute($key);
+			$val  = $info['value'];
+			if (is_null($val)) {
+				$return .= ' '.$key;
+			} elseif ($info['doubleQuote']) {
+				$return .= ' '.$key.'="'.$val.'"';
+			} else {
+				$return .= ' '.$key.'=\''.$val.'\'';
+			}
+		}
+
+		if ($this->selfClosing) {
+			return $return.' />';
+		} else {
+			return $return.'>';
+		}
+	}
+
+	/**
+	 * Generates the closing tag for this object.
+	 *
+	 * @return string
+	 */
+	public function makeClosingTag()
+	{
+		if ($this->selfClosing) {
+			return '';
+		}
+
+		return '</'.$this->name.'>';
+	}
 }

src/PHPHtmlParser/Dom/HtmlNode.php

Indentation +185 added lines, -185 removed lines

@@ -12,189 +12,189 @@
 class HtmlNode extends ArrayNode
 {
 
-    /**
-     * Remembers what the innerHtml was if it was scanned previously.
-     */
-    protected $innerHtml = null;
-
-    /**
-     * Remembers what the outerHtml was if it was scanned previously.
-     *
-     * @var string
-     */
-    protected $outerHtml = null;
-
-    /**
-     * Remembers what the text was if it was scanned previously.
-     *
-     * @var string
-     */
-    protected $text = null;
-
-    /**
-     * Remembers what the text was when we looked into all our
-     * children nodes.
-     *
-     * @var string
-     */
-    protected $textWithChildren = null;
-
-    /**
-     * Sets up the tag of this node.
-     *
-     * @param $tag
-     */
-    public function __construct($tag)
-    {
-        if ( ! $tag instanceof Tag) {
-            $tag = new Tag($tag);
-        }
-        $this->tag = $tag;
-        parent::__construct();
-    }
-
-    /**
-     * Gets the inner html of this node.
-     *
-     * @return string
-     * @throws UnknownChildTypeException
-     */
-    public function innerHtml()
-    {
-        if ( ! $this->hasChildren()) {
-            // no children
-            return '';
-        }
-
-        if ( ! is_null($this->innerHtml)) {
-            // we already know the result.
-            return $this->innerHtml;
-        }
-
-        $child  = $this->firstChild();
-        $string = '';
-
-        // continue to loop until we are out of children
-        while ( ! is_null($child)) {
-            if ($child instanceof TextNode) {
-                $string .= $child->text();
-            } elseif ($child instanceof HtmlNode) {
-                $string .= $child->outerHtml();
-            } else {
-                throw new UnknownChildTypeException('Unknown child type "'.get_class($child).'" found in node');
-            }
-
-            try {
-                $child = $this->nextChild($child->id());
-            } catch (ChildNotFoundException $e) {
-                // no more children
-                $child = null;
-            }
-        }
-
-        // remember the results
-        $this->innerHtml = $string;
-
-        return $string;
-    }
-
-    /**
-     * Gets the html of this node, including it's own
-     * tag.
-     *
-     * @return string
-     */
-    public function outerHtml()
-    {
-        // special handling for root
-        if ($this->tag->name() == 'root') {
-            return $this->innerHtml();
-        }
-
-        if ( ! is_null($this->outerHtml)) {
-            // we already know the results.
-            return $this->outerHtml;
-        }
-
-        $return = $this->tag->makeOpeningTag();
-        if ($this->tag->isSelfClosing()) {
-            // ignore any children... there should not be any though
-            return $return;
-        }
-
-        // get the inner html
-        $return .= $this->innerHtml();
-
-        // add closing tag
-        $return .= $this->tag->makeClosingTag();
-
-        // remember the results
-        $this->outerHtml = $return;
-
-        return $return;
-    }
-
-    /**
-     * Gets the text of this node (if there is any text). Or get all the text
-     * in this node, including children.
-     *
-     * @param bool $lookInChildren
-     * @return string
-     */
-    public function text($lookInChildren = false)
-    {
-        if ($lookInChildren) {
-            if ( ! is_null($this->textWithChildren)) {
-                // we already know the results.
-                return $this->textWithChildren;
-            }
-        } elseif ( ! is_null($this->text)) {
-            // we already know the results.
-            return $this->text;
-        }
-
-        // find out if this node has any text children
-        $text = '';
-        foreach ($this->children as $child) {
-            /** @var AbstractNode $node */
-            $node = $child['node'];
-            if ($node instanceof TextNode) {
-                $text .= $child['node']->text;
-            } elseif ($lookInChildren and
-                $node instanceof HtmlNode
-            ) {
-                $text .= $node->text($lookInChildren);
-            }
-        }
-
-        // remember our result
-        if ($lookInChildren) {
-            $this->textWithChildren = $text;
-        } else {
-            $this->text = $text;
-        }
-
-        return $text;
-    }
-
-    /**
-     * Call this when something in the node tree has changed. Like a child has been added
-     * or a parent has been changed.
-     */
-    protected function clear()
-    {
-        $this->innerHtml = null;
-        $this->outerHtml = null;
-        $this->text      = null;
-    }
-
-    /**
-     * Returns all children of this html node.
-     *
-     * @return array
-     */
-    protected function getIteratorArray()
-    {
-        return $this->getChildren();
-    }
+	/**
+	 * Remembers what the innerHtml was if it was scanned previously.
+	 */
+	protected $innerHtml = null;
+
+	/**
+	 * Remembers what the outerHtml was if it was scanned previously.
+	 *
+	 * @var string
+	 */
+	protected $outerHtml = null;
+
+	/**
+	 * Remembers what the text was if it was scanned previously.
+	 *
+	 * @var string
+	 */
+	protected $text = null;
+
+	/**
+	 * Remembers what the text was when we looked into all our
+	 * children nodes.
+	 *
+	 * @var string
+	 */
+	protected $textWithChildren = null;
+
+	/**
+	 * Sets up the tag of this node.
+	 *
+	 * @param $tag
+	 */
+	public function __construct($tag)
+	{
+		if ( ! $tag instanceof Tag) {
+			$tag = new Tag($tag);
+		}
+		$this->tag = $tag;
+		parent::__construct();
+	}
+
+	/**
+	 * Gets the inner html of this node.
+	 *
+	 * @return string
+	 * @throws UnknownChildTypeException
+	 */
+	public function innerHtml()
+	{
+		if ( ! $this->hasChildren()) {
+			// no children
+			return '';
+		}
+
+		if ( ! is_null($this->innerHtml)) {
+			// we already know the result.
+			return $this->innerHtml;
+		}
+
+		$child  = $this->firstChild();
+		$string = '';
+
+		// continue to loop until we are out of children
+		while ( ! is_null($child)) {
+			if ($child instanceof TextNode) {
+				$string .= $child->text();
+			} elseif ($child instanceof HtmlNode) {
+				$string .= $child->outerHtml();
+			} else {
+				throw new UnknownChildTypeException('Unknown child type "'.get_class($child).'" found in node');
+			}
+
+			try {
+				$child = $this->nextChild($child->id());
+			} catch (ChildNotFoundException $e) {
+				// no more children
+				$child = null;
+			}
+		}
+
+		// remember the results
+		$this->innerHtml = $string;
+
+		return $string;
+	}
+
+	/**
+	 * Gets the html of this node, including it's own
+	 * tag.
+	 *
+	 * @return string
+	 */
+	public function outerHtml()
+	{
+		// special handling for root
+		if ($this->tag->name() == 'root') {
+			return $this->innerHtml();
+		}
+
+		if ( ! is_null($this->outerHtml)) {
+			// we already know the results.
+			return $this->outerHtml;
+		}
+
+		$return = $this->tag->makeOpeningTag();
+		if ($this->tag->isSelfClosing()) {
+			// ignore any children... there should not be any though
+			return $return;
+		}
+
+		// get the inner html
+		$return .= $this->innerHtml();
+
+		// add closing tag
+		$return .= $this->tag->makeClosingTag();
+
+		// remember the results
+		$this->outerHtml = $return;
+
+		return $return;
+	}
+
+	/**
+	 * Gets the text of this node (if there is any text). Or get all the text
+	 * in this node, including children.
+	 *
+	 * @param bool $lookInChildren
+	 * @return string
+	 */
+	public function text($lookInChildren = false)
+	{
+		if ($lookInChildren) {
+			if ( ! is_null($this->textWithChildren)) {
+				// we already know the results.
+				return $this->textWithChildren;
+			}
+		} elseif ( ! is_null($this->text)) {
+			// we already know the results.
+			return $this->text;
+		}
+
+		// find out if this node has any text children
+		$text = '';
+		foreach ($this->children as $child) {
+			/** @var AbstractNode $node */
+			$node = $child['node'];
+			if ($node instanceof TextNode) {
+				$text .= $child['node']->text;
+			} elseif ($lookInChildren and
+				$node instanceof HtmlNode
+			) {
+				$text .= $node->text($lookInChildren);
+			}
+		}
+
+		// remember our result
+		if ($lookInChildren) {
+			$this->textWithChildren = $text;
+		} else {
+			$this->text = $text;
+		}
+
+		return $text;
+	}
+
+	/**
+	 * Call this when something in the node tree has changed. Like a child has been added
+	 * or a parent has been changed.
+	 */
+	protected function clear()
+	{
+		$this->innerHtml = null;
+		$this->outerHtml = null;
+		$this->text      = null;
+	}
+
+	/**
+	 * Returns all children of this html node.
+	 *
+	 * @return array
+	 */
+	protected function getIteratorArray()
+	{
+		return $this->getChildren();
+	}
 }

src/PHPHtmlParser/Dom/Collection.php

Indentation +139 added lines, -139 removed lines

@@ -15,154 +15,154 @@
 class Collection implements IteratorAggregate, ArrayAccess, Countable
 {
 
-    /**
-     * The collection of Nodes.
-     *
-     * @param array
-     */
-    protected $collection = [];
+	/**
+	 * The collection of Nodes.
+	 *
+	 * @param array
+	 */
+	protected $collection = [];
 
-    /**
-     * Attempts to call the method on the first node in
-     * the collection.
-     *
-     * @param string $method
-     * @param array $arguments
-     * @return mixed;
-     * @throws EmptyCollectionException
-     */
-    public function __call($method, $arguments)
-    {
-        $node = reset($this->collection);
-        if ($node instanceof AbstractNode) {
-            return call_user_func_array([$node, $method], $arguments);
-        } else {
-            throw new EmptyCollectionException('The collection does not contain any Nodes.');
-        }
-    }
+	/**
+	 * Attempts to call the method on the first node in
+	 * the collection.
+	 *
+	 * @param string $method
+	 * @param array $arguments
+	 * @return mixed;
+	 * @throws EmptyCollectionException
+	 */
+	public function __call($method, $arguments)
+	{
+		$node = reset($this->collection);
+		if ($node instanceof AbstractNode) {
+			return call_user_func_array([$node, $method], $arguments);
+		} else {
+			throw new EmptyCollectionException('The collection does not contain any Nodes.');
+		}
+	}
 
-    /**
-     * Attempts to apply the magic get to the first node
-     * in the collection.
-     *
-     * @param mixed $key
-     * @return mixed
-     * @throws EmptyCollectionException
-     */
-    public function __get($key)
-    {
-        $node = reset($this->collection);
-        if ($node instanceof AbstractNode) {
-            return $node->$key;
-        } else {
-            throw new EmptyCollectionException('The collection does not contain any Nodes.');
-        }
-    }
+	/**
+	 * Attempts to apply the magic get to the first node
+	 * in the collection.
+	 *
+	 * @param mixed $key
+	 * @return mixed
+	 * @throws EmptyCollectionException
+	 */
+	public function __get($key)
+	{
+		$node = reset($this->collection);
+		if ($node instanceof AbstractNode) {
+			return $node->$key;
+		} else {
+			throw new EmptyCollectionException('The collection does not contain any Nodes.');
+		}
+	}
 
-    /**
-     * Applies the magic string method to the first node in
-     * the collection.
-     *
-     * @return string
-     * @throws EmptyCollectionException
-     */
-    public function __toString()
-    {
-        $node = reset($this->collection);
-        if ($node instanceof AbstractNode) {
-            return (string)$node;
-        } else {
-            throw new EmptyCollectionException('The collection does not contain any Nodes.');
-        }
-    }
+	/**
+	 * Applies the magic string method to the first node in
+	 * the collection.
+	 *
+	 * @return string
+	 * @throws EmptyCollectionException
+	 */
+	public function __toString()
+	{
+		$node = reset($this->collection);
+		if ($node instanceof AbstractNode) {
+			return (string)$node;
+		} else {
+			throw new EmptyCollectionException('The collection does not contain any Nodes.');
+		}
+	}
 
-    /**
-     * Returns the count of the collection.
-     *
-     * @return int
-     */
-    public function count()
-    {
-        return count($this->collection);
-    }
+	/**
+	 * Returns the count of the collection.
+	 *
+	 * @return int
+	 */
+	public function count()
+	{
+		return count($this->collection);
+	}
 
-    /**
-     * Returns an iterator for the collection.
-     *
-     * @return ArrayIterator
-     */
-    public function getIterator()
-    {
-        return new ArrayIterator($this->collection);
-    }
+	/**
+	 * Returns an iterator for the collection.
+	 *
+	 * @return ArrayIterator
+	 */
+	public function getIterator()
+	{
+		return new ArrayIterator($this->collection);
+	}
 
-    /**
-     * Set an attribute by the given offset
-     *
-     * @param mixed $offset
-     * @param mixed $value
-     */
-    public function offsetSet($offset, $value)
-    {
-        if (is_null($offset)) {
-            $this->collection[] = $value;
-        } else {
-            $this->collection[$offset] = $value;
-        }
-    }
+	/**
+	 * Set an attribute by the given offset
+	 *
+	 * @param mixed $offset
+	 * @param mixed $value
+	 */
+	public function offsetSet($offset, $value)
+	{
+		if (is_null($offset)) {
+			$this->collection[] = $value;
+		} else {
+			$this->collection[$offset] = $value;
+		}
+	}
 
-    /**
-     * Checks if an offset exists.
-     *
-     * @param mixed $offset
-     * @return bool
-     */
-    public function offsetExists($offset)
-    {
-        return isset($this->collection[$offset]);
-    }
+	/**
+	 * Checks if an offset exists.
+	 *
+	 * @param mixed $offset
+	 * @return bool
+	 */
+	public function offsetExists($offset)
+	{
+		return isset($this->collection[$offset]);
+	}
 
-    /**
-     * Unset a collection Node.
-     *
-     * @param mixed $offset
-     */
-    public function offsetUnset($offset)
-    {
-        unset($this->collection[$offset]);
-    }
+	/**
+	 * Unset a collection Node.
+	 *
+	 * @param mixed $offset
+	 */
+	public function offsetUnset($offset)
+	{
+		unset($this->collection[$offset]);
+	}
 
-    /**
-     * Gets a node at the given offset, or null
-     *
-     * @param mixed $offset
-     * @return mixed
-     */
-    public function offsetGet($offset)
-    {
-        return isset($this->collection[$offset]) ? $this->collection[$offset] : null;
-    }
+	/**
+	 * Gets a node at the given offset, or null
+	 *
+	 * @param mixed $offset
+	 * @return mixed
+	 */
+	public function offsetGet($offset)
+	{
+		return isset($this->collection[$offset]) ? $this->collection[$offset] : null;
+	}
 
-    /**
-     * Returns this collection as an array.
-     *
-     * @return array
-     */
-    public function toArray()
-    {
-        return $this->collection;
-    }
+	/**
+	 * Returns this collection as an array.
+	 *
+	 * @return array
+	 */
+	public function toArray()
+	{
+		return $this->collection;
+	}
 
-    /**
-     * Similar to jQuery "each" method. Calls the callback with each
-     * Node in this collection.
-     *
-     * @param callback $callback
-     */
-    public function each($callback)
-    {
-        foreach ($this->collection as $key => $value) {
-            $callback($value, $key);
-        }
-    }
+	/**
+	 * Similar to jQuery "each" method. Calls the callback with each
+	 * Node in this collection.
+	 *
+	 * @param callback $callback
+	 */
+	public function each($callback)
+	{
+		foreach ($this->collection as $key => $value) {
+			$callback($value, $key);
+		}
+	}
 }