<?php

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defined( 'ABSPATH' ) || exit;

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/**

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* Fontello icon font

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* @link http://fontello.com/

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*/

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class Themify_Icon_Fontello extends Themify_Icon_Font {

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private static $isvalid=false;

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private static $setting_key='setting-fontello';

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public function __construct() {

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parent::__construct();

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if(self::run()){

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self::$isvalid=true;

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}

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}

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function get_id() {

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return 'fontello';

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}

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function get_label() {

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return __( 'Fontello', 'themify' );

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}

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/**

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* Check if the icon name belongs to the Fontello icon font

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*

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* @return bool

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*/

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function is_valid_icon( $name ) {

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return self::$isvalid===true && (substr( $name, 0, 9) === 'fontello-' || substr( $name, 0, 5 ) === 'icon-' || substr( $name, 0, 12 ) === 'tf_fontello-' );

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}

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function get_classname( $icon, $lazy = null, $data_only = false,$attrs=array() ) {

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if(self::$isvalid===false){

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return '';

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}

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$id= $this->get_id().'-';

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$icon = str_replace(array('icon-',$id,'tf_fontello-'),'', $icon);

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$k = $id . $icon;

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if (!isset(self::$usedIcons[$k])) {

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$icon = self::get_icons($icon);

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if ($icon!=='') {

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self::$usedIcons[$k] = $icon;

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self::$usedIcons[$k]['is_fontello']=true;

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}

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}

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if ($data_only === true) {

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return self::$usedIcons[$k];

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}

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$cl='';

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if(defined('TF_FONTELLO_PREFIX') && TF_FONTELLO_PREFIX!==''){

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$cl=TF_FONTELLO_PREFIX.$k;

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}

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if(defined('TF_FONTELLO_SUFFIX') && TF_FONTELLO_SUFFIX!==''){

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if($cl!==''){

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$cl.=TF_FONTELLO_SUFFIX;

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}

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else{

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$cl=TF_FONTELLO_SUFFIX.$k;

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}

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}

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if($cl!==''){

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$attrs['class']=$cl;

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}

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return self::get_svg($k,$attrs);

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}

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function get_categories() {

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$res=array(

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'custom' =>__( 'Icons', 'themify' )

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);

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$config = self::get_config_file();

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if(!empty($config) && !empty($config['glyphs'])){

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$glyps=$config['glyphs'];

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unset($config);

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$res=array();

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foreach($glyps as $ic){

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if(isset($ic['src'])){

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$res[$ic['src']]=self::get_cat_label($ic['src']);

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}

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}

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}

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return $res;

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}

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private static function get_cat_label($cat){

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$popular_cats=array(

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'fontelico'=>__('Fontelico','themify'),

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'fontawesome'=>__('Font Awesome','themify'),

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'iconic'=>__('Iconic','themify'),

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'modernpics'=>__('Modern Pictograms','themify'),

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'mfglabs'=>__('MFG Labs','themify'),

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'meteocons'=>__('Meteocons','themify'),

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'entypo'=>__('Entypo','themify'),

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'typicons'=>__('Typicons','themify'),

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'maki'=>__('Maki','themify'),

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'zocial'=>__('Zocial','themify'),

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'brandico'=>__('Brandico','themify'),

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'elusive'=>__('Elusive','themify'),

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'linecons'=>__('Linecons','themify'),

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'websymbols'=>__('Web Symbols','themify')

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);

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return isset($popular_cats[$cat])?$popular_cats[$cat]:$cat;

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}

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private static function get_icons($icon=''){

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static $icons=null;

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if($icons===null){

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$f=self::get_php_dir();

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if(is_file($f)){

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$icons=include_once $f;

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}

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else{

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$icons=array();

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}

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}

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if($icon!==''){

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return isset($icons[$icon])?$icons[$icon]:'';

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}

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return $icons;

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}

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/**

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* Get a list of available icons from provided by Fontello

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*

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* @return array

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*/

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function get_icons_by_category( $cat = '' ) {

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$res=array();

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$config = self::get_config_file();

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if(!empty($config) && !empty($config['glyphs'])){

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$glyps=$config['glyphs'];

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unset($config);

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$icons = self::get_icons();

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foreach($glyps as $ic){

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if(isset($ic['css'],$ic['src'],$icons[$ic['css']]) && ($cat==='' || $cat===$ic['src'])){

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if(!isset($res[$ic['src']])){

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$res[$ic['src']]=array();

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}

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$res[$ic['src']][$ic['css']]=$this->get_classname( $ic['css'] ,false,true);

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}

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}

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}

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else{

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$res['EMPTY']=sprintf( __( 'To add icons here: go to <a class="external-link" href="https://fontello.com" target="_blank">fontello.com</a> and create a package. Then go to <a class="external-link" target="_blank" href="%s">Themify > Settings > Custom Icon Font</a> to upload the icon font package.', 'themify' ), admin_url( 'admin.php?page=themify#setting-custom-icon-font' ) );

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}

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return $res;

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}

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/**

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* Gets the path to the Fontello assets

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* Extracts the uploaded package file automatically if necessary

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*

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* @return array|bool

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*/

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private static function run() {

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$fontello = self::get_php_dir(true);

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if(is_file($fontello)){

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return true;

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}

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$dest = self::get_upload_dir();

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if($dest===false){

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return false;

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}

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$config = $dest . 'config.json';

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$result = true;

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if (! is_file( $config ) ) {

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$path = themify_get( self::$setting_key,false,true );

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$upload_dir = themify_upload_dir();

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// get the system path from URL

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$path = str_replace( $upload_dir['baseurl'], $upload_dir['basedir'], $path );

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$result=false;

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if(is_file( $path )){

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require_once( ABSPATH . 'wp-admin/includes/file.php' );

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WP_Filesystem();

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$result = unzip_file( $path, dirname($dest) ); // attempt to extract the file

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}

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}

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if( $result===true) {

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$config = self::get_config_file();

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$name = !empty( $config['name'] ) ? $config['name'] : 'fontello';

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$svg = $dest . 'font/' . $name . '.svg';

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if(is_file($svg)){

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$data = self::parse_svg($svg);

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if(!empty($data) && self::write_file($data)){

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return true;

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}

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}

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}

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return false;

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}

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private static function get_upload_dir(){

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$path = themify_get( self::$setting_key,false,true );

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if(!$path){

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return false;

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}

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$fileinfo = pathinfo( $path );

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if ( empty( $fileinfo['filename'] ) || empty( $fileinfo['extension'] ) || $fileinfo['extension']!=='zip'){

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return false;

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}

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return themify_upload_dir('basedir') . '/fontello/'.$fileinfo['filename'].'/';

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}

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private static function get_config_file(){

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$dir=self::get_upload_dir();

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if($dir!==false){

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$config= $dir.'config.json';

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if(is_file($config)){

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return json_decode(file_get_contents($config), true );

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}

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}

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return false;

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}

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private static function get_php_dir($create=false){

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$path = themify_get( self::$setting_key,false,true );

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if(!$path){

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return false;

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}

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$dir=self::get_upload_dir();

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if($create===true && ($dir===false || (!is_dir($dir) && !wp_mkdir_p($dir)))){

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return false;

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}

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$fileinfo = pathinfo( $path );

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if(empty($fileinfo) || $fileinfo['extension']!=='zip'){

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return false;

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}

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$base=$fileinfo['filename'];

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if(strpos($base,'fontello')!==0){

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$base='fontello-'.$base;

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}

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return $dir.$base.'.php';

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}

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private static function write_file($data){

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$dir=self::get_php_dir(true);

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if($dir===false){

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return false;

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}

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$str='<?php';

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$config= self::get_config_file();

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if(!empty($config)){

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if(!empty( $config['css_prefix_text'] ) ){

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$str.=" \n define('TF_FONTELLO_PREFIX','{$config['css_prefix_text']}');\n";

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}

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if(!empty( $config['css_use_suffix'] ) ){

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$str.="define('TF_FONTELLO_SUFFIX','{$config['css_use_suffix']}');\n";

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}

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unset($config);

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}

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$str.=' return '.var_export ($data,true).';';

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return file_put_contents($dir,$str);

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}

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private static function parse_svg($f){

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try{

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$xml = simplexml_load_file($f,null,LIBXML_NOERROR|LIBXML_NOWARNING|LIBXML_COMPACT);

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if($xml===false){

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return false;

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}

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$fonts=!empty($xml->defs)?$xml->defs->font:$xml->font;

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if(empty($fonts) || !isset($fonts->{'font-face'})){

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return false;

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}

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unset($xml);

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$font=$fonts->{'font-face'};

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$vh=isset($font['ascent'])?(int)$font['ascent'][0]:0;

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if(isset($font['descent'])){

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$vh+=(int)$font['descent'][0];

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}

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$vw=isset($fonts->{'missing-glyph'}['horiz-adv-x'])?(string)(round((float)($fonts->{'missing-glyph'}['horiz-adv-x'][0]),2)):1000;//var_export doesn't work correct with float,should be converted to string

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$glyphs=$fonts->glyph;

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unset($fonts);

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if(!empty($glyphs)){

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$res=array();

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foreach($glyphs as $icon){

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$attr=$icon->attributes();

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if(isset($attr['glyph-name'])){

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$k=(string)$attr['glyph-name'];

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$res[$k]=array(

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'p'=>(string)$icon['d'],

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'vw'=>!empty($icon['horiz-adv-x'])?(string)(round((float)($icon['horiz-adv-x'][0]),2)):$vw //var_export doesn't work correct with float,should be converted to string

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);

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if($vh>0){

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$res[$k]['vh']=$vh;

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}

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}

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}

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return $res;

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}

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return false;

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}

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catch(Throwable $e){

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return false;

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}

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}

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}

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new Themify_Icon_Fontello();

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