__ __ __ __ _____ _ _ _____ _ _ _
| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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<?php
/**
* Handles minifying HTML markup.
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
class autoptimizeHTML extends autoptimizeBase
{
/**
* Whether HTML comments are kept.
*
* @var bool
*/
private $keepcomments = false;
/**
* Whether inline CSS/ JS is minified.
*
* @var bool
*/
private $minify_inline = false;
/**
* Whether to force xhtml compatibility.
*
* @var bool
*/
private $forcexhtml = false;
/**
* Things to exclude from being minifed.
*
* @var array
*/
private $exclude = array(
'<!-- ngg_resource_manager_marker -->',
'<!--noindex-->',
'<!--/noindex-->',
);
public function read( $options )
{
// Remove the HTML comments?
$this->keepcomments = (bool) $options['keepcomments'];
// Filter to force xhtml.
$this->forcexhtml = (bool) apply_filters( 'autoptimize_filter_html_forcexhtml', false );
// minify inline JS/ CSS.
$this->minify_inline = (bool) apply_filters( 'autoptimize_html_minify_inline_js_css', $options['minify_inline'] );
// Filterable strings to be excluded from HTML minification.
$exclude = apply_filters( 'autoptimize_filter_html_exclude', '' );
if ( '' !== $exclude ) {
$exclude_arr = array_filter( array_map( 'trim', explode( ',', $exclude ) ) );
$this->exclude = array_merge( $exclude_arr, $this->exclude );
}
// Nothing else for HTML!
return true;
}
/**
* Minifies HTML.
*
* @return bool
*/
public function minify()
{
$noptimize = apply_filters( 'autoptimize_filter_html_noptimize', false, $this->content );
if ( $noptimize ) {
return false;
}
// Wrap the to-be-excluded strings in noptimize tags.
foreach ( $this->exclude as $str ) {
if ( false !== strpos( $this->content, $str ) ) {
$replacement = '<!--noptimize-->' . $str . '<!--/noptimize-->';
$this->content = str_replace( $str, $replacement, $this->content );
}
}
// Noptimize.
$this->content = $this->hide_noptimize( $this->content );
// Preparing options for Minify_HTML.
$options = array( 'keepComments' => $this->keepcomments );
if ( $this->forcexhtml ) {
$options['xhtml'] = true;
}
// Optionally minify inline JS & CSS.
if ( $this->minify_inline ) {
if ( false != autoptimizeOptionWrapper::get_option( 'autoptimize_js' ) && false != autoptimizeConfig::get_post_meta_ao_settings( 'ao_post_js_optimize' ) && true !== apply_filters( 'autoptimize_filter_js_noptimize', false, $this->content ) && false === strpos( $this->content, 'text/template' ) ) {
$options['jsMinifier'] = 'JSMin::minify';
}
if ( false != autoptimizeOptionWrapper::get_option( 'autoptimize_css' ) && false != autoptimizeConfig::get_post_meta_ao_settings( 'ao_post_css_optimize' ) && true !== apply_filters( 'autoptimize_filter_css_noptimize', false, $this->content ) ) {
$options['cssMinifier'] = 'autoptimizeCSSmin::minify';
}
}
$tmp_content = AO_Minify_HTML::minify( $this->content, $options );
if ( ! empty( $tmp_content ) ) {
$this->content = $tmp_content;
unset( $tmp_content );
}
// Restore noptimize.
$this->content = $this->restore_noptimize( $this->content );
// Remove the noptimize-wrapper from around the excluded strings.
foreach ( $this->exclude as $str ) {
$replacement = '<!--noptimize-->' . $str . '<!--/noptimize-->';
if ( false !== strpos( $this->content, $replacement ) ) {
$this->content = str_replace( $replacement, $str, $this->content );
}
}
// Revslider data attribs somehow suffer from HTML optimization, this fixes that!
if ( class_exists( 'RevSlider' ) && apply_filters( 'autoptimize_filter_html_dataattrib_cleanup', false ) ) {
$this->content = preg_replace( '#\n(data-.*$)\n#Um', ' $1 ', $this->content );
$this->content = preg_replace( '#<[^>]*(=\"[^"\'<>\s]*\")(\w)#', '$1 $2', $this->content );
}
return true;
}
/**
* Doesn't do much in case of HTML (no cache in css/js sense there)
*
* @return true
*/
public function cache()
{
return true;
}
/**
* Returns the HTML markup.
*
* @return string
*/
public function getcontent()
{
return $this->content;
}
}