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<?php |
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namespace SEOCheckup; |
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class Helpers |
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{ |
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/** |
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* @var array $data |
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*/ |
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private $data; |
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/** |
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* @var array $links |
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*/ |
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private $links; |
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/** |
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* Helpers constructor |
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* @param array $data |
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*/ |
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public function __construct($data) |
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{ |
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$this->data = $data; |
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} |
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/** |
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* Get links in a page |
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* |
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* @param \DOMDocument $dom |
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* @return $this |
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*/ |
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public function Links($dom) |
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{ |
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$tags = $dom->getElementsByTagName('a'); |
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$links = array(); |
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if($tags->length) |
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{ |
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foreach($tags as $item) |
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{ |
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$link = $item->getAttribute('href'); |
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if($link != '' && strpos($link,'#') !== 0 && strpos(strtolower($link),'javascript:') !== 0) |
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{ |
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$link = parse_url($link); |
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if(!isset($link['scheme'])) |
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{ |
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$link['scheme'] = $this->data['parsed_url']['scheme']; |
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} |
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if(!isset($link['host'])) |
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{ |
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$link['host'] = $this->data['parsed_url']['host']; |
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} |
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if(!isset($link['path'])) |
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{ |
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$link['path'] = ''; |
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} else { |
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if(strpos($link['path'],'/') !== 0) |
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{ |
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$link['path'] = '/'.$link['path']; |
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} |
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} |
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if(!isset($link['query'])) |
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{ |
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$link['query'] = ''; |
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} else { |
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$link['query'] = '?'.$link['query']; |
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} |
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$links[] = $link['scheme'].'://'.$link['host'].$link['path'].$link['query']; |
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} |
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} |
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} |
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$this->links = array_unique($links); |
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return $this; |
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} |
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/** |
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* Return page links |
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* |
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* @return array |
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*/ |
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public function GetLinks() |
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{ |
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return $this->links; |
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} |
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/** |
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* Get link attributes in a page |
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* |
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* @param \DOMDocument $dom |
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* @param string $tag |
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* @param string $attr |
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* @return array |
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*/ |
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public function GetAttributes($dom, $tag = 'a', $attr = 'href') |
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{ |
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$tags = $dom->getElementsByTagName($tag); |
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$links = array(); |
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if($tags->length) |
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{ |
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foreach($tags as $item) |
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{ |
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$links[] = $item->getAttribute($attr); |
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} |
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} |
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return array_unique($links); |
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} |
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/** |
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* Whitespace cleaner |
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* |
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* @param $input |
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* @return null|string|string[] |
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*/ |
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public function Whitespace($input) |
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{ |
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return preg_replace('!\s+!', ' ', $input); |
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} |
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} |
frnxstd /
seo-checkup
