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<?php
/**
* LiteSpeed String Operator Library Class
*
* @since 1.3
*/
namespace LiteSpeed;
defined('WPINC') || exit();
class Str {
/**
* Translate QC HTML links from html. Convert `<a href="{#xxx#}">xxxx</a>` to `<a href="xxx">xxxx</a>`
*
* @since 7.0
*/
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
*
* @since 7.0
*/
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
*
* @since 1.3
* @access public
* @param int $len Length of string
* @param int $type 1-Number 2-LowerChar 4-UpperChar
* @return 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 to be used as a preformatted src in HTML.
*
* @since 6.5.3
*/
public static function trim_quotes( $string ) {
return str_replace('"', '', $string);
}
}