/wp-content/plugins/yith-woocommerce-zoom-magnifier/plugin-fw/yit-functions.php

<?php
/**
 * This file belongs to the YIT Plugin Framework.
 *
 * This source file is subject to the GNU GENERAL PUBLIC LICENSE (GPL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://www.gnu.org/licenses/gpl-3.0.txt
 */

if ( ! defined ( 'ABSPATH' ) ) {
    exit;
} // Exit if accessed directly

if ( ! function_exists ( 'yit_plugin_locate_template' ) ) {
    /**
     * Locate the templates and return the path of the file found
     *
     * @param string $plugin_basename
     * @param string $path
     * @param array  $var
     *
     * @return string
     * @since 2.0.0
     */
    function yit_plugin_locate_template ( $plugin_basename, $path, $var = NULL ) {

        $template_path = '/theme/templates/' . $path;

        $located = locate_template ( array (
            $template_path,
        ) );

        if ( ! $located ) {
            $located = $plugin_basename . '/templates/' . $path;
        }

        return $located;
    }

}

if ( ! function_exists ( 'yit_plugin_get_template' ) ) {
    /**
     * Retrieve a template file.
     *
     * @param string $plugin_basename
     * @param string $path
     * @param mixed  $var
     * @param bool   $return
     *
     * @return string
     * @since 2.0.0
     */
    function yit_plugin_get_template ( $plugin_basename, $path, $var = null, $return = false ) {

        $located = yit_plugin_locate_template ( $plugin_basename, $path, $var );

        if ( $var && is_array ( $var ) ) {
            extract ( $var );
        }

        if ( $return ) {
            ob_start ();
        }

        // include file located
        if ( file_exists ( $located ) ) {
            include ( $located );
        }

        if ( $return ) {
            return ob_get_clean ();
        }
    }
}

if ( ! function_exists ( 'yit_plugin_content' ) ) {
    /**
     * Return post content with read more link (if needed)
     *
     * @param string     $what
     * @param int|string $limit
     * @param string     $more_text
     * @param string     $split
     * @param string     $in_paragraph
     *
     * @return string
     * @since 2.0.0
     */
    function yit_plugin_content ( $what = 'content', $limit = 25, $more_text = '', $split = '[...]', $in_paragraph = 'true' ) {
        if ( $what == 'content' ) {
            $content = get_the_content ( $more_text );
        } else {
            if ( $what == 'excerpt' ) {
                $content = get_the_excerpt ();
            } else {
                $content = $what;
            }
        }

        if ( $limit == 0 ) {
            if ( $what == 'excerpt' ) {
                $content = apply_filters ( 'the_excerpt', $content );
            } else {
                $content = preg_replace ( '/<img[^>]+./', '', $content ); //remove images
                $content = apply_filters ( 'the_content', $content );
                $content = str_replace ( ']]>', ']]&gt;', $content );
            }

            return $content;
        }

        // remove the tag more from the content
        if ( preg_match ( "/<(a)[^>]*class\s*=\s*(['\"])more-link\\2[^>]*>(.*?)<\/\\1>/", $content, $matches ) ) {

            if ( strpos ( $matches[ 0 ], '[button' ) ) {
                $more_link = str_replace ( 'href="#"', 'href="' . get_permalink () . '"', do_shortcode ( $matches[ 3 ] ) );
            } else {
                $more_link = $matches[ 0 ];
            }

            $content = str_replace ( $more_link, '', $content );
            $split   = '';
        }

        if ( empty( $content ) ) {
            return;
        }
        $content = explode ( ' ', $content );

        if ( ! empty( $more_text ) && ! isset( $more_link ) ) {
            //array_pop( $content );
            $more_link = strpos ( $more_text, '<a class="btn"' ) ? $more_text : '<a class="read-more' . apply_filters ( 'yit_simple_read_more_classes', ' ' ) . '" href="' . get_permalink () . '">' . $more_text . '</a>';
            $split     = '';
        } elseif ( ! isset( $more_link ) ) {
            $more_link = '';
        }

        // split
        if ( count ( $content ) >= $limit ) {
            $split_content = '';
            for ( $i = 0; $i < $limit; $i ++ ) {
                $split_content .= $content[ $i ] . ' ';
            }

            $content = $split_content . $split;
        } else {
            $content = implode ( " ", $content );
        }

        // TAGS UNCLOSED
        $tags = array ();
        // get all tags opened
        preg_match_all ( "/(<([\w]+)[^>]*>)/", $content, $tags_opened, PREG_SET_ORDER );
        foreach ( $tags_opened as $tag ) {
            $tags[] = $tag[ 2 ];
        }

        // get all tags closed and remove it from the tags opened.. the rest will be closed at the end of the content
        preg_match_all ( "/(<\/([\w]+)[^>]*>)/", $content, $tags_closed, PREG_SET_ORDER );
        foreach ( $tags_closed as $tag ) {
            unset( $tags[ array_search ( $tag[ 2 ], $tags ) ] );
        }

        // close the tags
        if ( ! empty( $tags ) ) {
            foreach ( $tags as $tag ) {
                $content .= "</$tag>";
            }
        }

        //$content = preg_replace( '/\[.+\]/', '', $content );
        if ( $in_paragraph == true ): $content .= $more_link; endif;
        $content = preg_replace ( '/<img[^>]+./', '', $content ); //remove images
        $content = apply_filters ( 'the_content', $content );
        $content = str_replace ( ']]>', ']]&gt;', $content ); // echo str_replace( array( '<', '>' ), array( '&lt;', '&gt;' ), $content );
        if ( $in_paragraph == false ): $content .= $more_link; endif;

        return $content;
    }
}

if ( ! function_exists ( 'yit_plugin_string' ) ) {
    /**
     * Simple echo a string, with a before and after string, only if the main string is not empty.
     *
     * @param string $before What there is before the main string
     * @param string $string The main string. If it is empty or null, the functions return null.
     * @param string $after  What there is after the main string
     * @param bool   $echo   If echo or only return it
     *
     * @return string The complete string, if the main string is not empty or null
     * @since 2.0.0
     */
    function yit_plugin_string ( $before = '', $string = '', $after = '', $echo = true ) {
        $html = '';

        if ( $string != '' AND ! is_null ( $string ) ) {
            $html = $before . $string . $after;
        }

        if ( $echo ) {
            echo $html;
        }

        return $html;
    }
}

if ( ! function_exists ( 'yit_plugin_decode_title' ) ) {
    /**
     * Change some special characters to put easily html into a string
     *
     * E.G.
     * string: This is [my title] with | a new line
     * return: This is <span class="title-highlight">my title</span> with <br /> a new line
     *
     * @param  string $title The string to convert
     *
     * @return string  The html
     *
     * @since 1.0
     */
    function yit_plugin_decode_title ( $title ) {
        $replaces = apply_filters ( 'yit_title_special_characters', array () );

        return preg_replace ( array_keys ( $replaces ), array_values ( $replaces ), $title );
    }
}

if ( ! function_exists ( 'yit_plugin_get_attachment_id' ) ) {

    /**
     * Return the ID of an attachment.
     *
     * @param string $url
     *
     * @return int
     *
     * @since 2.0.0
     */

    function yit_plugin_get_attachment_id ( $url ) {

        $upload_dir = wp_upload_dir ();
        $dir        = trailingslashit ( $upload_dir[ 'baseurl' ] );

        if ( false === strpos ( $url, $dir ) ) {
            return false;
        }

        $file = basename ( $url );

        $query = array (
            'post_type'  => 'attachment',
            'fields'     => 'ids',
            'meta_query' => array (
                array (
                    'value'   => $file,
                    'compare' => 'LIKE',
                ),
            ),
        );

        $query[ 'meta_query' ][ 0 ][ 'key' ] = '_wp_attached_file';
        $ids                                 = get_posts ( $query );

        foreach ( $ids as $id ) {
            $attachment_image = wp_get_attachment_image_src ( $id, 'full' );
            if ( $url == array_shift ( $attachment_image ) || $url == str_replace ( 'https://', 'http://', array_shift ( $attachment_image ) ) ) {
                return $id;
            }
        }
        $query[ 'meta_query' ][ 0 ][ 'key' ] = '_wp_attachment_metadata';
        $ids                                 = get_posts ( $query );

        foreach ( $ids as $id ) {

            $meta = wp_get_attachment_metadata ( $id );
            if ( ! isset( $meta[ 'sizes' ] ) ) {
                continue;
            }

            foreach ( (array)$meta[ 'sizes' ] as $size => $values ) {
                if ( $values[ 'file' ] == $file && $url == str_replace ( 'https://', 'http://', array_shift ( wp_get_attachment_image_src ( $id, $size ) ) ) ) {

                    return $id;
                }
            }
        }

        return false;
    }
}

if ( ! function_exists ( 'yit_enqueue_script' ) ) {
    /**
     * Enqueues script.
     *
     * Registers the script if src provided (does NOT overwrite) and enqueues.
     *
     * @since  2.0.0
     * @author Simone D'Amico <simone.damico@yithemes.com>
     * @see    yit_register_script() For parameter information.
     */
    function yit_enqueue_script ( $handle, $src, $deps = array (), $ver = false, $in_footer = true ) {

        if ( function_exists ( 'YIT_Asset' ) && ! is_admin () ) {
            $enqueue = true;
            YIT_Asset ()->set ( 'script', $handle, compact ( 'src', 'deps', 'ver', 'in_footer', 'enqueue' ) );
        } else {
            wp_enqueue_script ( $handle, $src, $deps, $ver, $in_footer );
        }
    }
}

if ( ! function_exists ( 'yit_enqueue_style' ) ) {
    /**
     * Enqueues style.
     *
     * Registers the style if src provided (does NOT overwrite) and enqueues.
     *
     * @since  2.0.0
     * @author Simone D'Amico <simone.damico@yithemes.com>
     * @see    yit_register_style() For parameter information.
     */
    function yit_enqueue_style ( $handle, $src, $deps = array (), $ver = false, $media = 'all' ) {

        if ( function_exists ( 'YIT_Asset' ) ) {
            $enqueue = true;
            $who     = YIT_Asset ()->get_stylesheet_handle ( get_stylesheet_uri (), 'style' );
            $where   = 'before';

            if ( false == $who ) {
                $who = '';
            }

            YIT_Asset ()->set ( 'style', $handle, compact ( 'src', 'deps', 'ver', 'media', 'enqueue' ), $where, $who );
        } else {
            wp_enqueue_style ( $handle, $src, $deps, $ver, $media );
        }
    }
}

if ( ! function_exists ( 'yit_get_post_meta' ) ) {
    /**
     * Retrieve the value of a metabox.
     *
     * This function retrieve the value of a metabox attached to a post. It return either a single value or an array.
     *
     * @param int    $id   Post ID.
     * @param string $meta The meta key to retrieve.
     *
     * @return mixed Single value or array
     * @since    2.0.0
     */
    function yit_get_post_meta ( $id, $meta ) {
        if ( ! strpos ( $meta, '[' ) ) {
            return get_post_meta ( $id, $meta, true );
        }

        $sub_meta = explode ( '[', $meta );

        $meta = get_post_meta ( $id, $meta, true );
        for ( $i = 0; $i < count ( $sub_meta ); $i ++ ) {
            $meta = $meta[ rtrim ( $sub_meta[ $i ], ']' ) ];
        }

        return $meta;
    }
}

if ( ! function_exists ( 'yit_string' ) ) {
    /**
     * Simple echo a string, with a before and after string, only if the main string is not empty.
     *
     * @param string $before What there is before the main string
     * @param string $string The main string. If it is empty or null, the functions return null.
     * @param string $after  What there is after the main string
     * @param bool   $echo   If echo or only return it
     *
     * @return string The complete string, if the main string is not empty or null
     * @since 2.0.0
     */
    function yit_string ( $before = '', $string = '', $after = '', $echo = true ) {
        $html = '';

        if ( $string != '' AND ! is_null ( $string ) ) {
            $html = $before . $string . $after;
        }

        if ( $echo ) {
            echo $html;
        }

        return $html;
    }
}


if ( ! function_exists ( 'yit_pagination' ) ) {
    /**
     * Print pagination
     *
     * @param string $pages
     * @param int    $range
     *
     * @return string
     * @since 2.0.0
     */
    function yit_pagination ( $pages = '', $range = 10 ) {
        $showitems = ( $range * 2 ) + 1;

        $paged = ( get_query_var ( 'paged' ) ) ? get_query_var ( 'paged' ) : false;
        if ( $paged === false ) {
            $paged = ( get_query_var ( 'page' ) ) ? get_query_var ( 'page' ) : false;
        }
        if ( $paged === false ) {
            $paged = 1;
        }


        $html = '';

        if ( $pages == '' ) {
            global $wp_query;

            if ( isset( $wp_query->max_num_pages ) ) {
                $pages = $wp_query->max_num_pages;
            }

            if ( ! $pages ) {
                $pages = 1;
            }
        }

        if ( 1 != $pages ) {
            $html .= "<div class='general-pagination clearfix'>";
            if ( $paged > 2 ) {
                $html .= sprintf ( '<a class="%s" href="%s">&laquo;</a>', 'yit_pagination_first', get_pagenum_link ( 1 ) );
            }
            if ( $paged > 1 ) {
                $html .= sprintf ( '<a class="%s" href="%s">&lsaquo;</a>', 'yit_pagination_previous', get_pagenum_link ( $paged - 1 ) );
            }

            for ( $i = 1; $i <= $pages; $i ++ ) {
                if ( 1 != $pages && ( ! ( $i >= $paged + $range + 1 || $i <= $paged - $range - 1 ) || $pages <= $showitems ) ) {
                    $class = ( $paged == $i ) ? " class='selected'" : '';
                    $html .= "<a href='" . get_pagenum_link ( $i ) . "'$class >$i</a>";
                }
            }

            if ( $paged < $pages ) {
                $html .= sprintf ( '<a class="%s" href="%s">&rsaquo;</a>', 'yit_pagination_next', get_pagenum_link ( $paged + 1 ) );
            }
            if ( $paged < $pages - 1 ) {
                $html .= sprintf ( '<a class="%s" href="%s">&raquo;</a>', 'yit_pagination_last', get_pagenum_link ( $pages ) );
            }

            $html .= "</div>\n";
        }

        echo apply_filters ( 'yit_pagination_html', $html );
    }
}

if ( ! function_exists ( 'yit_registered_sidebars' ) ) {
    /**
     * Retrieve all registered sidebars
     *
     * @return array
     * @since 2.0.0
     */
    function yit_registered_sidebars () {
        global $wp_registered_sidebars;

        $return = array ();

        if ( empty( $wp_registered_sidebars ) ) {
            $return = array ( '' => '' );
        }

        foreach ( ( array )$wp_registered_sidebars as $the_ ) {
            $return[ $the_[ 'name' ] ] = $the_[ 'name' ];
        }

        ksort ( $return );

        return $return;
    }
}

if ( ! function_exists ( 'yit_layout_option' ) ) {
    /**
     * Retrieve a layout option
     *
     * @param        $key
     * @param bool   $id
     * @param string $type
     * @param string $model
     *
     * @return array
     * @since 2.0.0
     */
    function yit_layout_option ( $key, $id = false, $type = "post", $model = "post_type" ) {

        $option = '';

        if ( defined ( 'YIT' ) ) {
            $option = YIT_Layout_Panel ()->get_option ( $key, $id, $type, $model );
        } else {
            if ( ! $id && ( is_single () || is_page () ) ) {
                global $post;
                $id = $post->ID;
            } elseif ( $id != 'all' ) {
                $option = get_post_meta ( $id, $key );
            }
        }

        return $option;
    }
}

if ( ! function_exists ( 'yit_curPageURL' ) ) {
    /**
     * Retrieve the current complete url
     *
     * @since 1.0
     */
    function yit_curPageURL () {
        $pageURL = 'http';
        if ( isset( $_SERVER[ "HTTPS" ] ) AND $_SERVER[ "HTTPS" ] == "on" ) {
            $pageURL .= "s";
        }

        $pageURL .= "://";

        if ( isset( $_SERVER[ "SERVER_PORT" ] ) AND $_SERVER[ "SERVER_PORT" ] != "80" ) {
            $pageURL .= $_SERVER[ "SERVER_NAME" ] . ":" . $_SERVER[ "SERVER_PORT" ] . $_SERVER[ "REQUEST_URI" ];
        } else {
            $pageURL .= $_SERVER[ "SERVER_NAME" ] . $_SERVER[ "REQUEST_URI" ];
        }

        return $pageURL;
    }
}

if ( ! function_exists ( 'yit_get_excluded_categories' ) ) {
    /**
     *
     * Retrieve the escluded categories, set on Theme Options
     *
     * @param int $k
     *
     * @return string String with all id categories excluded, separated by a comma
     *
     * @since 2.0.0
     */

    function yit_get_excluded_categories ( $k = 1 ) {

        global $post;

        if ( ! isset( $post->ID ) ) {
            return;
        }

        $cf_cats = get_post_meta ( $post->ID, 'blog-cats', true );

        if ( ! empty( $cf_cats ) ) {
            return $cf_cats;
        }

        $cats = function_exists ( 'yit_get_option' ) ? yit_get_option ( 'blog-excluded-cats' ) : '';


        if ( ! is_array ( $cats ) || empty( $cats ) || ! isset( $cats[ $k ] ) ) {
            return;
        }

        $cats = array_map ( 'trim', $cats[ $k ] );

        $i     = 0;
        $query = '';
        foreach ( $cats as $cat ) {
            $query .= ",-$cat";

            $i ++;
        }

        ltrim ( ',', $query );

        return $query;
    }
}


if ( ! function_exists ( 'yit_add_extra_theme_headers' ) ) {
    add_filter ( 'extra_theme_headers', 'yit_add_extra_theme_headers' );

    /**
     * Check the framework core version
     *
     * @param $headers Array
     *
     * @return bool
     * @since  2.0.0
     * @author Andrea Grillo <andrea.grillo@yithemes.com>
     */
    function yit_add_extra_theme_headers ( $headers ) {
        $headers[] = 'Core Framework Version';

        return $headers;
    }
}

if ( ! function_exists ( 'yit_check_plugin_support' ) ) {
    /**
     * Check the framework core version
     *
     * @return bool
     * @since  2.0.0
     * @author Andrea Grillo <andrea.grillo@yithemes.com>
     */
    function yit_check_plugin_support () {

        $headers[ 'core' ]   = wp_get_theme ()->get ( 'Core Framework Version' );
        $headers[ 'author' ] = wp_get_theme ()->get ( 'Author' );

        if ( ! $headers[ 'core' ] && defined ( 'YIT_CORE_VERSION' ) ) {
            $headers[ 'core' ] = YIT_CORE_VERSION;
        }

        if ( ( ! empty( $headers[ 'core' ] ) && version_compare ( $headers[ 'core' ], '2.0.0', '<=' ) ) || $headers[ 'author' ] != 'Your Inspiration Themes' ) {
            return true;
        } else {
            return false;
        }
    }
}

if ( ! function_exists ( 'yit_ie_version' ) ) {
    /**
     * Retrieve IE version.
     *
     * @return int|float
     * @since  1.0.0
     * @author Andrea Grillo <andrea.grillo@yithemes.com>
     */
    function yit_ie_version () {
        preg_match ( '/MSIE ([0-9]\.[0-9])/', $_SERVER[ 'HTTP_USER_AGENT' ], $reg );
        if ( ! isset( $reg[ 1 ] ) ) {
            return - 1;
        } else {
            return floatval ( $reg[ 1 ] );
        }
    }
}

if ( ! function_exists ( 'yit_avoid_duplicate' ) ) {
    /**
     * Check if something exists. If yes, add a -N to the value where N is a number.
     *
     * @param mixed  $value
     * @param array  $array
     * @param string $check
     *
     * @return mixed
     * @since  2.0.0
     * @author Antonino Scarf� <antonino.scarfi@yithemes.com>
     */
    function yit_avoid_duplicate ( $value, $array, $check = 'value' ) {
        $match = array ();

        if ( ! is_array ( $array ) ) {
            return $value;
        }

        if ( ( $check == 'value' && ! in_array ( $value, $array ) ) || ( $check == 'key' && ! isset( $array[ $value ] ) ) ) {
            return $value;
        } else {
            if ( ! preg_match ( '/([a-z]+)-([0-9]+)/', $value, $match ) ) {
                $i = 2;
            } else {
                $i     = intval ( $match[ 2 ] ) + 1;
                $value = $match[ 1 ];
            }

            return yit_avoid_duplicate ( $value . '-' . $i, $array, $check );
        }
    }
}

if ( ! function_exists ( 'yit_title_special_characters' ) ) {
    /**
     * The chars used in yit_decode_title() and yit_encode_title()
     *
     * E.G.
     * string: This is [my title] with | a new line
     * return: This is <span class="highlight">my title</span> with <br /> a new line
     *
     * @param  string $title The string to convert
     *
     * @return string  The html
     *
     * @since 1.0
     */
    function yit_title_special_characters ( $chars ) {
        return array_merge ( $chars, array (
            '/[=\[](.*?)[=\]]/' => '<span class="title-highlight">$1</span>',
            '/\|/'              => '<br />',
        ) );
    }

    add_filter ( 'yit_title_special_characters', 'yit_title_special_characters' );
}

if ( ! function_exists ( 'yit_decode_title' ) ) {
    /**
     * Change some special characters to put easily html into a string
     *
     * E.G.
     * string: This is [my title] with | a new line
     * return: This is <span class="title-highlight">my title</span> with <br /> a new line
     *
     * @param  string $title The string to convert
     *
     * @return string  The html
     *
     * @since 1.0
     */
    function yit_decode_title ( $title ) {
        $replaces = apply_filters ( 'yit_title_special_characters', array () );

        return preg_replace ( array_keys ( $replaces ), array_values ( $replaces ), $title );
    }
}

if ( ! function_exists ( 'yit_encode_title' ) ) {
    /**
     * Change some special characters to put easily html into a string
     *
     * E.G.
     * string: This is [my title] with | a new line
     * return: This is <span class="title-highlight">my title</span> with <br /> a new line
     *
     * @param  string $title The string to convert
     *
     * @return string  The html
     *
     * @since 1.0
     */
    function yit_encode_title ( $title ) {
        $replaces = apply_filters ( 'yit_title_special_characters', array () );

        return preg_replace ( array_values ( $replaces ), array_keys ( $replaces ), $title );
    }
}

if ( ! function_exists ( 'yit_remove_chars_title' ) ) {
    /**
     * Change some special characters to put easily html into a string
     *
     * E.G.
     * string: This is [my title] with | a new line
     * return: This is <span class="title-highlight">my title</span> with <br /> a new line
     *
     * @param  string $title The string to convert
     *
     * @return string  The html
     *
     * @since 1.0
     */
    function yit_remove_chars_title ( $title ) {
        $replaces = apply_filters ( 'yit_title_special_characters', array () );

        return preg_replace ( array_keys ( $replaces ), '$1', $title );
    }
}

if ( ! function_exists ( 'is_shop_installed' ) ) {
    /**
     * Detect if there is a shop plugin installed
     *
     * @return bool
     * @since  2.0.0
     * @author Francesco Grasso <francesco.grasso@yithemes.com
     */
    function is_shop_installed () {
        global $woocommerce;
        if ( isset( $woocommerce ) || defined ( 'JIGOSHOP_VERSION' ) ) {
            return true;
        } else {
            return false;
        }
    }
}

if ( ! function_exists ( 'yit_load_js_file' ) ) {
    /**
     * Load .min.js file if WP_Debug is not defined
     *
     * @param $filename The file name
     *
     * @return string The file path
     * @since  2.0.0
     * @author Andrea Grillo <andrea.grillo@yithemes.com>
     */
    function yit_load_js_file ( $filename ) {

        if ( ! ( ( defined ( 'WP_DEBUG' ) && WP_DEBUG ) || ( defined ( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) ) ) {
            $filename = str_replace ( '.js', '.min.js', $filename );
        }

        return $filename;
    }
}

if ( ! function_exists ( 'yit_wpml_register_string' ) ) {
    /**
     * Register a string in wpml trnslation
     *
     * @param $contenxt context name
     * @param $name     string name
     * @param $value    value to translate
     *
     * @since  2.0.0
     * @author Andrea Frascaspata <andrea.frascaspata@yithemes.com>
     */
    function yit_wpml_register_string ( $contenxt, $name, $value ) {
        // wpml string translation
        do_action ( 'wpml_register_single_string', $contenxt, $name, $value );
    }
}

if ( ! function_exists ( 'yit_wpml_string_translate' ) ) {
    /**
     * Get a string translation
     *
     * @param $contenxt         context name
     * @param $name             string name
     * @param $default_value    value to translate
     *
     * @return string the string translated
     * @since  2.0.0
     * @author Andrea Frascaspata <andrea.frascaspata@yithemes.com>
     */
    function yit_wpml_string_translate ( $contenxt, $name, $default_value ) {
        return apply_filters ( 'wpml_translate_single_string', $default_value, $contenxt, $name );
    }

}

if ( ! function_exists ( 'yit_wpml_object_id' ) ) {
    /**
     * Get id of post translation in current language
     *
     * @param int         $element_id
     * @param string      $element_type
     * @param bool        $return_original_if_missing
     * @param null|string $ulanguage_code
     *
     * @return int the translation id
     * @since  2.0.0
     * @author Antonio La Rocca <antonio.larocca@yithemes.com>
     */
    function yit_wpml_object_id ( $element_id, $element_type = 'post', $return_original_if_missing = false, $ulanguage_code = null ) {
        if ( function_exists ( 'wpml_object_id_filter' ) ) {
            return wpml_object_id_filter( $element_id, $element_type, $return_original_if_missing, $ulanguage_code );
        } elseif ( function_exists ( 'icl_object_id' ) ) {
            return icl_object_id ( $element_id, $element_type, $return_original_if_missing, $ulanguage_code );
        } else {
            return $element_id;
        }
    }

}


if ( ! function_exists ( 'yith_get_formatted_price' ) ) {
    /**
     * Format the price with a currency symbol.
     *
     * @param float $price
     * @param array $args (default: array())
     *
     * @return string
     */
    function yith_get_formatted_price ( $price, $args = array () ) {
        extract ( apply_filters ( 'wc_price_args', wp_parse_args ( $args, array (
            'ex_tax_label'       => false,
            'currency'           => '',
            'decimal_separator'  => wc_get_price_decimal_separator (),
            'thousand_separator' => wc_get_price_thousand_separator (),
            'decimals'           => wc_get_price_decimals (),
            'price_format'       => get_woocommerce_price_format (),
        ) ) ) );

        $negative = $price < 0;
        $price    = apply_filters ( 'raw_woocommerce_price', floatval ( $negative ? $price * - 1 : $price ) );
        $price    = apply_filters ( 'formatted_woocommerce_price', number_format ( $price, $decimals, $decimal_separator, $thousand_separator ), $price, $decimals, $decimal_separator, $thousand_separator );

        if ( apply_filters ( 'woocommerce_price_trim_zeros', false ) && $decimals > 0 ) {
            $price = wc_trim_zeros ( $price );
        }

        $formatted_price = ( $negative ? '-' : '' ) . sprintf ( $price_format, get_woocommerce_currency_symbol ( $currency ), $price );
        $return          = $formatted_price;

        return apply_filters ( 'wc_price', $return, $price, $args );
    }
}