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<?php |
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/** |
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* Feed API: WP_SimplePie_Sanitize_KSES class |
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* |
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* @package WordPress |
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* @subpackage Feed |
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* @since 4.7.0 |
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*/ |
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/** |
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* Core class used to implement SimpliePie feed sanitization. |
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* |
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* Extends the SimplePie_Sanitize class to use KSES, because |
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* we cannot universally count on DOMDocument being available. |
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* |
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* @since 3.5.0 |
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* |
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* @see SimplePie_Sanitize |
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*/ |
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class WP_SimplePie_Sanitize_KSES extends SimplePie_Sanitize { |
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/** |
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* WordPress SimplePie sanitization using KSES. |
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* |
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* Sanitizes the incoming data, to ensure that it matches the type of data expected, using KSES. |
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* |
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* @since 3.5.0 |
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* @access public |
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* |
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* @param mixed $data The data that needs to be sanitized. |
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* @param integer $type The type of data that it's supposed to be. |
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* @param string $base Optional. The `xml:base` value to use when converting relative |
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* URLs to absolute ones. Default empty. |
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* @return mixed Sanitized data. |
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*/ |
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public function sanitize( $data, $type, $base = '' ) { |
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$data = trim( $data ); |
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View Code Duplication |
if ( $type & SIMPLEPIE_CONSTRUCT_MAYBE_HTML ) { |
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if (preg_match('/(&(#(x[0-9a-fA-F]+|[0-9]+)|[a-zA-Z0-9]+)|<\/[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>)/', $data)) { |
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$type |= SIMPLEPIE_CONSTRUCT_HTML; |
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} |
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else { |
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$type |= SIMPLEPIE_CONSTRUCT_TEXT; |
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} |
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} |
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if ( $type & SIMPLEPIE_CONSTRUCT_BASE64 ) { |
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$data = base64_decode( $data ); |
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} |
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if ( $type & ( SIMPLEPIE_CONSTRUCT_HTML | SIMPLEPIE_CONSTRUCT_XHTML ) ) { |
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$data = wp_kses_post( $data ); |
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View Code Duplication |
if ( $this->output_encoding !== 'UTF-8' ) { |
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$data = $this->registry->call( 'Misc', 'change_encoding', array( $data, 'UTF-8', $this->output_encoding ) ); |
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} |
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return $data; |
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} else { |
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return parent::sanitize( $data, $type, $base ); |
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} |
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} |
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} |
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ntwb /
wordpress
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: