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/**
* Compress HTML
*
* This is a heavy regex-based removal of whitespace, unnecessary comments and
* tokens. IE conditional comments are preserved. There are also options to have
* STYLE and SCRIPT blocks compressed by callback functions.
*
* A test suite is available.
*
* @package Minify
* @author Stephen Clay
*/
namespace LiteSpeed\Lib;
defined( 'WPINC' ) || exit;
class HTML_MIN {
/**
* @var string
*/
protected $_html = '';
/**
* @var boolean
*/
protected $_jsCleanComments = true;
protected $_skipComments = array();
/**
* "Minify" an HTML page
*
* @param string $html
*
* @param array $options
*
* 'cssMinifier' : (optional) callback function to process content of STYLE
* elements.
*
* 'jsMinifier' : (optional) callback function to process content of SCRIPT
* elements. Note: the type attribute is ignored.
*
* 'xhtml' : (optional boolean) should content be treated as XHTML1.0? If
* unset, minify will sniff for an XHTML doctype.
*
* @return string
*/
public static function minify( $html, $options = array() ) {
$min = new self( $html, $options );
return $min->process();
}
/**
* Create a minifier object
*
* @param string $html
*
* @param array $options
*
* 'cssMinifier' : (optional) callback function to process content of STYLE
* elements.
*
* 'jsMinifier' : (optional) callback function to process content of SCRIPT
* elements. Note: the type attribute is ignored.
*
* 'jsCleanComments' : (optional) whether to remove HTML comments beginning and end of script block
*
* 'xhtml' : (optional boolean) should content be treated as XHTML1.0? If
* unset, minify will sniff for an XHTML doctype.
*/
public function __construct( $html, $options = array() ) {
$this->_html = str_replace( "\r\n", "\n", trim( $html ) );
if ( isset( $options['xhtml'] ) ) {
$this->_isXhtml = (bool) $options['xhtml'];
}
if ( isset( $options['cssMinifier'] ) ) {
$this->_cssMinifier = $options['cssMinifier'];
}
if ( isset( $options['jsMinifier'] ) ) {
$this->_jsMinifier = $options['jsMinifier'];
}
if ( isset( $options['jsCleanComments'] ) ) {
$this->_jsCleanComments = (bool) $options['jsCleanComments'];
}
if ( isset( $options['skipComments'] ) ) {
$this->_skipComments = $options['skipComments'];
}
}
/**
* Minify the markeup given in the constructor
*
* @return string
*/
public function process() {
if ( $this->_isXhtml === null ) {
$this->_isXhtml = ( false !== strpos( $this->_html, '_replacementHash = 'MINIFYHTML' . md5( $_SERVER['REQUEST_TIME'] );
$this->_placeholders = array();
// replace SCRIPTs (and minify) with placeholders
$this->_html = preg_replace_callback(
'/(\\s*)]*?>)([\\s\\S]*?)<\\/script>(\\s*)/i',
array( $this, '_removeScriptCB' ),
$this->_html
);
// replace STYLEs (and minify) with placeholders
$this->_html = preg_replace_callback(
'/\\s*]*>)([\\s\\S]*?)<\\/style>\\s*/i',
array( $this, '_removeStyleCB' ),
$this->_html
);
// remove HTML comments (not containing IE conditional comments).
$this->_html = preg_replace_callback(
'//',
array( $this, '_commentCB' ),
$this->_html
);
// replace PREs with placeholders
$this->_html = preg_replace_callback(
'/\\s*]*?>[\\s\\S]*?<\\/pre>)\\s*/i',
array( $this, '_removePreCB' ),
$this->_html
);
// replace TEXTAREAs with placeholders
$this->_html = preg_replace_callback(
'/\\s*]*?>[\\s\\S]*?<\\/textarea>)\\s*/i',
array( $this, '_removeTextareaCB' ),
$this->_html
);
// trim each line.
// @todo take into account attribute values that span multiple lines.
$this->_html = preg_replace( '/^\\s+|\\s+$/m', '', $this->_html );
// remove ws around block/undisplayed elements
$this->_html = preg_replace(
'/\\s+(<\\/?(?:area|article|aside|base(?:font)?|blockquote|body'
. '|canvas|caption|center|col(?:group)?|dd|dir|div|dl|dt|fieldset|figcaption|figure|footer|form'
. '|frame(?:set)?|h[1-6]|head|header|hgroup|hr|html|legend|li|link|main|map|menu|meta|nav'
. '|ol|opt(?:group|ion)|output|p|param|section|t(?:able|body|head|d|h||r|foot|itle)'
. '|ul|video)\\b[^>]*>)/i',
'$1',
$this->_html
);
// remove ws outside of all elements
$this->_html = preg_replace(
'/>(\\s(?:\\s*))?([^<]+)(\\s(?:\s*))?$1$2$3<',
$this->_html
);
// use newlines before 1st attribute in open tags (to limit line lengths)
// $this->_html = preg_replace('/(<[a-z\\-]+)\\s+([^>]+>)/i', "$1\n$2", $this->_html);
// fill placeholders
$this->_html = str_replace(
array_keys( $this->_placeholders ),
array_values( $this->_placeholders ),
$this->_html
);
// issue 229: multi-pass to catch scripts that didn't get replaced in textareas
$this->_html = str_replace(
array_keys( $this->_placeholders ),
array_values( $this->_placeholders ),
$this->_html
);
return $this->_html;
}
/**
* From LSCWP 6.2: Changed the function to test for special comments that will be skipped. See: https://github.com/litespeedtech/lscache_wp/pull/622
*/
protected function _commentCB( $m ) {
// If is IE conditional comment return it.
if ( 0 === strpos( $m[1], '[' ) || false !== strpos( $m[1], ' HTML Settings -> HTML Keep comments
if ( count( $this->_skipComments ) > 0 ) {
foreach ( $this->_skipComments as $comment ) {
if ( $comment && strpos( $m[1], $comment ) !== false ) {
return $m[0];
}
}
}
// Comment can be removed.
return '';
}
protected function _reservePlace( $content ) {
$placeholder = '%' . $this->_replacementHash . count( $this->_placeholders ) . '%';
$this->_placeholders[ $placeholder ] = $content;
return $placeholder;
}
protected $_isXhtml = null;
protected $_replacementHash = null;
protected $_placeholders = array();
protected $_cssMinifier = null;
protected $_jsMinifier = null;
protected function _removePreCB( $m ) {
return $this->_reservePlace( "_reservePlace( "\\s*$)/', '', $css );
// remove CDATA section markers
$css = $this->_removeCdata( $css );
// minify
$minifier = $this->_cssMinifier
? $this->_cssMinifier
: 'trim';
$css = call_user_func( $minifier, $css );
return $this->_reservePlace(
$this->_needsCdata( $css )
? "{$openStyle}/**/"
: "{$openStyle}{$css}"
);
}
protected function _removeScriptCB( $m ) {
$openScript = "_jsCleanComments ) {
$js = preg_replace( '/(?:^\\s*\\s*$)/', '', $js );
}
// remove CDATA section markers
$js = $this->_removeCdata( $js );
// minify
/**
* Added 2nd param by LiteSpeed
*
* @since 2.2.3
*/
if ( $this->_jsMinifier ) {
$js = call_user_func( $this->_jsMinifier, $js, trim( $m[2] ) );
} else {
$js = trim( $js );
}
return $this->_reservePlace(
$this->_needsCdata( $js )
? "{$ws1}{$openScript}/**/{$ws2}"
: "{$ws1}{$openScript}{$js}{$ws2}"
);
}
protected function _removeCdata( $str ) {
return ( false !== strpos( $str, '' ), '', $str )
: $str;
}
protected function _needsCdata( $str ) {
return ( $this->_isXhtml && preg_match( '/(?:[<&]|\\-\\-|\\]\\]>)/', $str ) );
}
}
Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the woocommerce-payments domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /home/u459467388/domains/calicoandcrane.com/public_html/wp-includes/functions.php on line 6121
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