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<?php // phpcs:ignoreFile /** * LiteSpeed String Operator Library Class * * @since 1.3 * @package LiteSpeed / namespace LiteSpeed; defined( 'WPINC' ) \|\| exit(); /* * Class Str * * Provides string manipulation utilities for LiteSpeed Cache. * * @since 1.3 / class Str { /* * Translate QC HTML links from html. * * Converts `<a href="{#xxx#}">xxxx</a>` to `<a href="xxx">xxxx</a>`. * * @since 7.0 * @access public * @param string $html The HTML string to process. * @return string The processed HTML string. / public static function translate_qc_apis( $html ) { preg_match_all( '/<a href="{#(\w+)#}"/U', $html, $matches ); if ( ! $matches ) { return $html; } foreach ( $matches[0] as $k => $html_to_be_replaced ) { $link = '<a href="' . Utility::build_url( Router::ACTION_CLOUD, Cloud::TYPE_API, false, null, array( 'action2' => $matches[1][ $k ] ) ) . '"'; $html = str_replace( $html_to_be_replaced, $link, $html ); } return $html; } /* * Return safe HTML * * Sanitizes HTML to allow only specific tags and attributes. * * @since 7.0 * @access public * @param string $html The HTML string to sanitize. * @return string The sanitized HTML string. / public static function safe_html( $html ) { $common_attrs = array( 'style' => array(), 'class' => array(), 'target' => array(), 'src' => array(), 'color' => array(), 'href' => array(), ); $tags = array( 'hr', 'h3', 'h4', 'h5', 'ul', 'li', 'br', 'strong', 'p', 'span', 'img', 'a', 'div', 'font' ); $allowed_tags = array(); foreach ( $tags as $tag ) { $allowed_tags[ $tag ] = $common_attrs; } return wp_kses( $html, $allowed_tags ); } /* * Generate random string * * Creates a random string of specified length and character type. * * @since 1.3 * @access public * @param int $len Length of string. * @param int $type Character type: 1-Number, 2-LowerChar, 4-UpperChar, 7-All. * @return string Randomly generated string. / public static function rrand( $len, $type = 7 ) { switch ( $type ) { case 0: $charlist = '012'; break; case 1: $charlist = '0123456789'; break; case 2: $charlist = 'abcdefghijklmnopqrstuvwxyz'; break; case 3: $charlist = '0123456789abcdefghijklmnopqrstuvwxyz'; break; case 4: $charlist = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; break; case 5: $charlist = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'; break; case 6: $charlist = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; break; case 7: $charlist = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; break; } $str = ''; $max = strlen( $charlist ) - 1; for ( $i = 0; $i < $len; $i++ ) { $str .= $charlist[ random_int( 0, $max ) ]; } return $str; } /* * Trim double quotes from a string * * Removes double quotes from a string for use as a preformatted src in HTML. * * @since 6.5.3 * @access public * @param string $text The string to process. * @return string The string with double quotes removed. */ public static function trim_quotes( $text ) { return str_replace( '"', '', $text ); } }