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<?php
namespace Yoast\WP\SEO\Helpers;
/**
* A helper object for string operations.
*/
class String_Helper {
/**
* Strips all HTML tags including script and style.
*
* @param string $string The string to strip the tags from.
*
* @return string The processed string.
*/
public function strip_all_tags( $string ) {
return \wp_strip_all_tags( $string );
}
/**
* Standardize whitespace in a string.
*
* Replace line breaks, carriage returns, tabs with a space, then remove double spaces.
*
* @param string $string String input to standardize.
*
* @return string
*/
public function standardize_whitespace( $string ) {
return \trim( \str_replace( ' ', ' ', \str_replace( [ "\t", "\n", "\r", "\f" ], ' ', $string ) ) );
}
/**
* First strip out registered and enclosing shortcodes using native WordPress strip_shortcodes function.
* Then strip out the shortcodes with a filthy regex, because people don't properly register their shortcodes.
*
* @param string $text Input string that might contain shortcodes.
*
* @return string $text String without shortcodes.
*/
public function strip_shortcode( $text ) {
return \preg_replace( '`\[[^\]]+\]`s', '', \strip_shortcodes( $text ) );
}
}
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