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?? Editing: edgt.functions.php

<?php

/**
 * Function that checks if option has value from theme options.
 * It first checks global $edgtf_quadric_options variable and if option does'nt exists there
 * it checks default theme options
 *
 * @param $name string name of the option to retrieve
 * @return bool
 */
function edgtf_quadric_option_has_value($name) {
	global $edgtf_quadric_options;
	global $edgtQuadricFramework;

if (array_key_exists($name, $edgtQuadricFramework->edgtOptions->options)) {
		if(isset($edgtf_quadric_options[$name]) && $edgtf_quadric_options[$name] != '') {
			return true;
		} else {
			return false;
		}
	} else {
		global $post;

$value = get_post_meta( $post->ID, $name, true );

if (isset($value) && $value !== "") {
			return true;
		} else {
			return false;
		}

}
}

/**
 * Function that gets option by it's name.
 * It first checks if option exists in $edgtf_quadric_options global array and if it does'nt exists there
 * it checks default theme options array.
 *
 * @param $name string name of the option to retrieve
 * @return mixed|void
 */
function edgtf_quadric_option_get_value($name) {
	global $edgtf_quadric_options;
	global $edgtQuadricFramework;

if (array_key_exists($name, $edgtQuadricFramework->edgtOptions->options)) {
		if(isset($edgtf_quadric_options[$name])){
			return $edgtf_quadric_options[$name];
		} else {
			return $edgtQuadricFramework->edgtOptions->getOption($name);
		}
	} else {
		global $post;

$value = get_post_meta( $post->ID, $name, true );
		if (isset($value) && $value !== "") {
			return $value;
		} else {
			return $edgtQuadricFramework->edgtMetaBoxes->getOption($name);
		}

}
}

/**
 * Function that gets attachment thumbnail url from attachment url
 * @param $attachment_url string url of the attachment
 * @return bool|string
 *
 * @see edgtf_quadric_get_attachment_id_from_url()
 */
function edgtf_quadric_get_attachment_thumb_url($attachment_url) {
	$attachment_id = edgtf_quadric_get_attachment_id_from_url($attachment_url);

if(!empty($attachment_id)) {
		return wp_get_attachment_thumb_url($attachment_id);
	} else {
		return $attachment_url;
	}
}

/**
 * Function that enqueue skin style. Wrapper around wp_enqueue_style function,
 * it prepends $src with skin path
 * @param $handle string unique key for style
 * @param $src string path inside skin folder
 * @param array $deps array of handles that style will depend on
 * @param bool|string $ver whether to add version string or not.
 * @param string $media media for which to add style. Defaults to 'all'
 *
 * @see wp_enqueue_style()
 */
function edgtf_quadric_enqueue_skin_style($handle, $src, $deps = array(), $ver = false, $media = 'all') {
	global $edgtQuadricFramework;

$src = get_template_directory_uri().'/framework/admin/skins/'.$edgtQuadricFramework->getSkin().'/'.$src;
	wp_enqueue_style($handle, $src, $deps, $ver, $media);
}

/**
 * Function that registers skin style. Wrapper around wp_register_style function,
 * it prepends $src with skin path
 * @param $handle string unique key for style
 * @param $src string path inside skin folder
 * @param array $deps array of handles that style will depend on
 * @param bool|string $ver whether to add version string or not.
 * @param string $media media for which to add style. Defaults to 'all'
 *
 * @see wp_register_style()
 */
function edgtf_quadric_register_skin_style($handle, $src, $deps = array(), $ver = false, $media = 'all') {
	global $edgtQuadricFramework;

$src = get_template_directory_uri().'/framework/admin/skins/'.$edgtQuadricFramework->getSkin().'/'.$src;
	wp_register_style($handle, $src, $deps = array(), $ver = false, $media = 'all');
}

/**
 * Function that enqueue skin script. Wrapper around wp_enqueue_script function,
 * it prepends $src with skin path
 * @param $handle string unique key for style
 * @param $src string path inside skin folder
 * @param array $deps array of handles that style will depend on
 * @param bool|string $ver whether to add version string or not.
 * @param bool $in_footer whether to include script in footer or not.
 *
 * @see wp_enqueue_script()
 */
function edgtf_quadric_enqueue_skin_script($handle, $src, $deps = array(), $ver = false, $in_footer = false) {
	global $edgtQuadricFramework;

$src = get_template_directory_uri().'/framework/admin/skins/'.$edgtQuadricFramework->getSkin().'/'.$src;
	wp_enqueue_script($handle, $src, $deps, $ver, $in_footer);
}

/**
 * Function that registers skin script. Wrapper around wp_register_script function,
 * it prepends $src with skin path
 * @param $handle string unique key for style
 * @param $src string path inside skin folder
 * @param array $deps array of handles that style will depend on
 * @param bool|string $ver whether to add version string or not.
 * @param bool $in_footer whether to include script in footer or not.
 *
 * @see wp_register_script()
 */
function edgtf_quadric_register_skin_script($handle, $src, $deps = array(), $ver = false, $in_footer = false) {
	global $edgtQuadricFramework;

$src = get_template_directory_uri().'/framework/admin/skins/'.$edgtQuadricFramework->getSkin().'/'.$src;
	wp_register_script($handle, $src, $deps, $ver, $in_footer);
}

if (!function_exists('edgtf_quadric_generate_dynamic_css_and_js')){
	/**
	 * Function that gets content of dynamic assets files and puts that in static ones
	 */
	function edgtf_quadric_generate_dynamic_css_and_js() {
        global $wp_filesystem;
        WP_Filesystem();

$edgtf_quadric_options = get_option('edgtf_options_quadric');
		if(edgtf_quadric_is_css_folder_writable()) {
			$css_dir = EDGE_ASSETS_ROOT_DIR.'/css/';

ob_start();
			include_once $css_dir.'style_dynamic.php';
			$css = ob_get_clean();
            $wp_filesystem->put_contents($css_dir.'style_dynamic.css', $css);

ob_start();
			include_once $css_dir.'style_dynamic_responsive.php';
			$css = ob_get_clean();
            $wp_filesystem->put_contents($css_dir.'style_dynamic_responsive.css', $css);
		}
	}

if(!is_multisite()) {
		add_action('edgtf_quadric_after_theme_option_save', 'edgtf_quadric_generate_dynamic_css_and_js');
	}
}

if (!function_exists('edgtf_quadric_gallery_upload_get_images')) {
	/**
	 * Function that outputs single image html that is used in multiple image upload field
	 * Hooked to wp_ajax_edgtf_gallery_upload_get_images action
	 */
	function edgtf_quadric_gallery_upload_get_images(){
		$ids = sanitize_text_field( $_POST['ids'] );
		$ids = explode(",",$ids);
		
		check_ajax_referer( 'edgtf_gallery_upload_get_images_' . sanitize_text_field( $_POST['post_name'] ), 'gallery_upload_get_images' );
		
		if ( ! empty( $ids ) ) {
			foreach ( $ids as $id ):
				$image = wp_get_attachment_image_src( intval( $id ), 'thumbnail', true );
				echo '<li class="edgt-gallery-image-holder"><img src="' . esc_url( $image[0] ) . '"/></li>';
			endforeach;
		}
		exit;
	}

add_action( 'wp_ajax_edgtf_quadric_gallery_upload_get_images', 'edgtf_quadric_gallery_upload_get_images');
}

if (!function_exists('edgtf_quadric_hex2rgb')) {
	/**
	 * Function that transforms hex color to rgb color
	 * @param $hex string original hex string
	 * @return array array containing three elements (r, g, b)
	 */
	function edgtf_quadric_hex2rgb($hex) {
		$hex = str_replace("#", "", $hex);

if(strlen($hex) == 3) {
			$r = hexdec(substr($hex,0,1).substr($hex,0,1));
			$g = hexdec(substr($hex,1,1).substr($hex,1,1));
			$b = hexdec(substr($hex,2,1).substr($hex,2,1));
		} else {
			$r = hexdec(substr($hex,0,2));
			$g = hexdec(substr($hex,2,2));
			$b = hexdec(substr($hex,4,2));
		}
		$rgb = array($r, $g, $b);
		//return implode(",", $rgb); // returns the rgb values separated by commas
		return $rgb; // returns an array with the rgb values
	}
}

if(!function_exists('edgtf_quadric_get_attachment_meta')) {
	/**
	 * Function that returns attachment meta data from attachment id
	 * @param $attachment_id
	 * @param array $keys sub array of attachment meta
	 * @return array|mixed
	 */
	function edgtf_quadric_get_attachment_meta($attachment_id, $keys = array()) {
		$meta_data = array();

//is attachment id set?
		if(!empty($attachment_id)) {
			//get all post meta for given attachment id
			$meta_data = get_post_meta($attachment_id, '_wp_attachment_metadata', true);

//is subarray of meta array keys set?
			if(is_array($keys) && count($keys)) {
				$sub_array = array();

//for each defined key
				foreach($keys as $key) {
					//check if that key exists in all meta array
					if(array_key_exists($key, $meta_data)) {
						//assign key from meta array for current key to meta subarray
						$sub_array[$key] = $meta_data[$key];
					}
				}

//we want meta array to be subarray because that is what used whants to get
				$meta_data = $sub_array;
			}
		}

//return meta array
		return $meta_data;
	}
}

if(!function_exists('edgtf_quadric_get_attachment_id_from_url')) {
	/**
	 * Function that retrieves attachment id for passed attachment url
	 * @param $attachment_url
	 * @return null|string
	 */
	function edgtf_quadric_get_attachment_id_from_url($attachment_url) {
		global $wpdb;
		$attachment_id = '';

//is attachment url set?
		if($attachment_url !== '') {
			//prepare query

$query = $wpdb->prepare("SELECT ID FROM {$wpdb->posts} WHERE guid=%s", $attachment_url);

//get attachment id
			$attachment_id = $wpdb->get_var($query);
			
			// Additional check for undefined reason when guid is not image src
			if ( empty( $attachment_id ) ) {
				$modified_url = substr( $attachment_url, strrpos( $attachment_url, '/' ) + 1 );
				$query = $wpdb->prepare( "SELECT post_id FROM {$wpdb->postmeta} WHERE meta_key='_wp_attached_file' AND meta_value LIKE %s", '%' . $modified_url . '%' );
				
				//get attachment id
				$attachment_id = $wpdb->get_var( $query );
			}
		}

//return id
		return $attachment_id;
	}
}

if(!function_exists('edgtf_quadric_get_attachment_meta_from_url')) {
	/**
	 * Function that returns meta array for give attachment url
	 * @param $attachment_url
	 * @param array $keys sub array of attachment meta
	 * @return array|mixed
	 *
	 * @see edgtf_quadric_get_attachment_id_from_url()
	 * @see edgtf_quadric_get_attachment_meta()
	 *
	 * @version 0.1
	 */
	function edgtf_quadric_get_attachment_meta_from_url($attachment_url, $keys = array()) {
		$attachment_meta = array();

//get attachment id for attachment url
		$attachment_id 	= edgtf_quadric_get_attachment_id_from_url($attachment_url);

//is attachment id set?
		if(!empty($attachment_id)) {
			//get post meta
			$attachment_meta = edgtf_quadric_get_attachment_meta($attachment_id, $keys);
		}

//return post meta
		return $attachment_meta;
	}
}

if(!function_exists('edgtf_quadric_get_image_dimensions')) {
	/**
	 * Function that returns image sizes array. First looks in post_meta table if attachment exists in the database,
	 * if it doesn't than it uses getimagesize PHP function to get image sizes
	 * @param $url string url of the image
	 * @return array array of image sizes that containes height and width
	 *
	 * @see edgtf_quadric_get_attachment_meta_from_url()
	 * @uses getimagesize
	 *
	 * @version 0.1
	 */
	function edgtf_quadric_get_image_dimensions($url) {
		$image_sizes = array();

//is url passed?
		if($url !== '') {
			//get image sizes from posts meta if attachment exists
			$image_sizes = edgtf_quadric_get_attachment_meta_from_url($url, array('width', 'height'));

//image does not exists in post table, we have to use PHP way of getting image size
			if(!count($image_sizes)) {
				require_once( ABSPATH . 'wp-admin/includes/file.php' );
				
				//can we open file by url?
				if(ini_get('allow_url_fopen') == 1 && file_exists($url)) {
					list($width, $height, $type, $attr) = getimagesize($url);
				} else {
					//we can't open file directly, have to locate it with relative path.
					$image_obj = parse_url($url);
					$image_relative_path = rtrim( get_home_path(), '/' ) . $image_obj['path'];

if(file_exists($image_relative_path)) {
						list($width, $height, $type, $attr) = getimagesize($image_relative_path);
					}
				}

//did we get width and height from some of above methods?
				if(isset($width) && isset($height)) {
					//set them to our image sizes array
					$image_sizes = array(
						'width' => $width,
						'height' => $height
					);
				}
			}
		}

return $image_sizes;
	}
}

if(!function_exists('edgtf_quadric_get_native_fonts_list')) {
	/**
	 * Function that returns array of native fonts
	 * @return array
	 */
	function edgtf_quadric_get_native_fonts_list(){

return array(
			'Arial',
			'Arial Black',
			'Comic Sans MS',
			'Courier New',
			'Georgia',
			'Impact',
			'Lucida Console',
			'Lucida Sans Unicode',
			'Palatino Linotype',
			'Tahoma',
			'Times New Roman',
			'Trebuchet MS',
			'Verdana');

}
}

if(!function_exists('edgtf_quadric_get_native_fonts_array')) {
	/**
	 * Function that returns formatted array of native fonts
	 *
	 * @uses edgtf_quadric_get_native_fonts_list()
	 * @return array
	 */
	function edgtf_quadric_get_native_fonts_array(){
		$native_fonts_list = edgtf_quadric_get_native_fonts_list();
		$native_font_index = 0;
		$native_fonts_array = array();

foreach($native_fonts_list as $native_font){
			$native_fonts_array[$native_font_index] = array('family' => $native_font);
			$native_font_index++;
		}

return $native_fonts_array;
	}
}

if(!function_exists('edgtf_quadric_is_native_font')) {
	/**
	 * Function that checks if given font is native font
	 * @param $font_family string
	 * @return bool
	 */
	function edgtf_quadric_is_native_font($font_family) {
		return  in_array(str_replace('+', ' ', $font_family), edgtf_quadric_get_native_fonts_list());
	}
}

if(!function_exists('edgtf_quadric_merge_fonts')) {
	/**
	 * Function that merge google and native fonts
	 *
	 * @uses edgtf_quadric_get_native_fonts_array()
	 * @return array
	 */
	function edgtf_quadric_merge_fonts() {
		global $edgtf_quadric_fonts_array;
		$native_fonts = edgtf_quadric_get_native_fonts_array();

if(is_array($native_fonts) && count($native_fonts)){
			$edgtf_quadric_fonts_array = array_merge($native_fonts, $edgtf_quadric_fonts_array);
		}
	}

add_action('admin_init', 'edgtf_quadric_merge_fonts');
}

if(!function_exists('edgtf_quadric_is_css_folder_writable')) {
	/**
	 * Function that checks if css folder is writable
	 * @return bool
	 *
	 * @version 0.1
	 * @uses is_writable()
	 */
	function edgtf_quadric_is_css_folder_writable() {
		$css_dir = EDGE_ASSETS_ROOT_DIR.'/css';

return is_writable($css_dir);
	}
}

if(!function_exists('edgtf_quadric_is_js_folder_writable')) {
	/**
	 * Function that checks if js folder is writable
	 * @return bool
	 *
	 * @version 0.1
	 * @uses is_writable()
	 */
	function edgtf_quadric_is_js_folder_writable() {
		$js_dir = EDGE_ASSETS_ROOT_DIR.'/js';

return is_writable($js_dir);
	}
}

if(!function_exists('edgtf_quadric_assets_folders_writable')) {
	/**
	 * Function that if css and js folders are writable
	 * @return bool
	 *
	 * @version 0.1
	 * @see edgtf_quadric_is_css_folder_writable()
	 * @see edgtf_quadric_is_js_folder_writable()
	 */
	function edgtf_quadric_assets_folders_writable() {
		return edgtf_quadric_is_css_folder_writable() && edgtf_quadric_is_js_folder_writable();
	}
}

if(!function_exists('edgtf_quadric_writable_assets_folders_notice')) {
	/**
	 * Function that prints notice that css and js folders aren't writable. Hooks to admin_notices action
	 *
	 * @version 0.1
	 * @link http://codex.wordpress.org/Plugin_API/Action_Reference/admin_notices
	 */
	function edgtf_quadric_writable_assets_folders_notice() {
		global $pagenow;

$is_theme_options_page = isset($_GET['page']) && strstr($_GET['page'], 'edgtf_theme_menu');

if($pagenow === 'admin.php' && $is_theme_options_page) {
			if(!edgtf_quadric_assets_folders_writable()) { ?>
				<div class="error">
					<p><?php esc_html_e('Note that writing permissions aren\'t set for folders containing css and js files on your server.
					We recommend setting writing permissions in order to optimize your site performance.
					For further instructions, please refer to our documentation.', 'quadric'); ?></p>
				</div>
			<?php }
		}
	}

add_action('admin_notices', 'edgtf_quadric_writable_assets_folders_notice');
}

if(!function_exists('edgtf_quadric_inline_style')) {
	/**
	 * Function that echoes generated style attribute
	 * @param $value string | array attribute value
	 *
	 * @see edgtf_quadric_get_inline_style()
	 */
	function edgtf_quadric_inline_style($value) {
		echo edgtf_quadric_get_inline_style($value);
	}
}

if(!function_exists('edgtf_quadric_get_inline_style')) {
	/**
	 * Function that generates style attribute and returns generated string
	 * @param $value string | array value of style attribute
	 * @return string generated style attribute
	 *
	 * @see edgtf_quadric_get_inline_style()
	 */
	function edgtf_quadric_get_inline_style($value) {
		return edgtf_quadric_get_inline_attr($value, 'style', ';');
	}
}

if(!function_exists('edgtf_quadric_class_attribute')) {
	/**
	 * Function that echoes class attribute
	 * @param $value string value of class attribute
	 *
	 * @see edgtf_quadric_get_class_attribute()
	 */
	function edgtf_quadric_class_attribute($value) {
		echo edgtf_quadric_get_class_attribute($value);
	}
}

if(!function_exists('edgtf_quadric_get_class_attribute')) {
	/**
	 * Function that returns generated class attribute
	 * @param $value string value of class attribute
	 * @return string generated class attribute
	 *
	 * @see edgtf_quadric_get_inline_attr()
	 */
	function edgtf_quadric_get_class_attribute($value) {
		return edgtf_quadric_get_inline_attr($value, 'class', ' ');
	}
}

if(!function_exists('edgtf_quadric_get_inline_attr')) {
	/**
	 * Function that generates html attribute
	 * @param $value string | array value of html attribute
	 * @param $attr string name of html attribute to generate
	 * @param $glue string glue with which to implode $attr. Used only when $attr is array
	 * @return string generated html attribute
	 */
	function edgtf_quadric_get_inline_attr($value, $attr, $glue = '') {
		if(!empty($value)) {

if(is_array($value) && count($value)) {
				$properties = implode($glue, $value);
			} elseif($value !== '') {
				$properties = $value;
			}

return $attr.'="'.esc_attr($properties).'"';
		}

return '';
	}
}

if(!function_exists('edgtf_quadric_inline_attr')) {
	/**
	 * Function that generates html attribute
	 * @param $value string | array value of html attribute
	 * @param $attr string name of html attribute to generate
	 * @param $glue string glue with which to implode $attr. Used only when $attr is array
	 * @return string generated html attribute
	 */
	function edgtf_quadric_inline_attr($value, $attr, $glue = '') {
		echo edgtf_quadric_get_inline_attr($value, $attr, $glue);
	}
}

if(!function_exists('edgtf_quadric_get_inline_attrs')) {
	/**
	 * Generate multiple inline attributes
	 *
	 * @param $attrs
	 *
	 * @return string
	 */
    function edgtf_quadric_get_inline_attrs($attrs) {
		$output = '';

if(is_array($attrs) && count($attrs)) {
			foreach($attrs as $attr => $value) {
				$output .= ' '.edgtf_quadric_get_inline_attr($value, $attr);
			}
		}

$output = ltrim($output);

return $output;
    }
}

if(!function_exists('edgtf_quadric_get_skin_uri')) {
    /**
     * Returns current skin URI
     * @return mixed
     */
    function edgtf_quadric_get_skin_uri() {
		global $edgtQuadricFramework;

$current_skin = $edgtQuadricFramework->getSkin();

return $current_skin->getSkinURI();
	}
}

if(!function_exists('edgtf_quadric_core_installed')) {
    /**
     * Checks if core plugin is installed
     * @return bool
     */
    function edgtf_quadric_core_installed() {
        return defined('EDGE_CORE_VERSION');
    }
}

if(!function_exists('edgtf_quadric_core_plugin_message')) {
    /**
     * Function that prints a mesasge in the admin if user hides TGMPA plugin activation message
     */
    function edgtf_quadric_core_plugin_message() {
		if(get_user_meta(get_current_user_id(), 'tgmpa_dismissed_notice', true) && !edgtf_quadric_core_installed()) {
			echo apply_filters('edgtf_quadric_filter_core_plugin_message', '<div class="update-nag">'.esc_html__('Installation of the "Edge
            Core" plugin is
            essential for
            proper
            theme functioning. Please ', 'quadric').'<a href="'.admin_url('themes.php?page=install-required-plugins')
				.'">'.esc_html__('install', 'quadric').'</a>'.esc_html__(' this
            plugin and activate it', 'quadric').'</div>');
		}
    }

add_action('admin_notices', 'edgtf_quadric_core_plugin_message');
}

if(!function_exists('edgtf_quadric_get_theme_info_item')) {
    /**
     * Returns desired info of the current theme
     * @param $item string info item to get
     * @return string
     */
    function edgtf_quadric_get_theme_info_item($item) {
        if($item !== '') {
            $current_theme = wp_get_theme();

if($current_theme->parent()) {
                $current_theme = $current_theme->parent();
            }

if($current_theme->exists() && $current_theme->get($item) != "") {
                return $current_theme->get($item);
            }
        }

return '';
    }
}

if(!function_exists('edgtf_quadric_resize_image')) {
    /**
     * Functin that generates custom thumbnail for given attachment
     * @param null $attach_id id of attachment
     * @param null $attach_url URL of attachment
     * @param int $width desired height of custom thumbnail
     * @param int $height desired width of custom thumbnail
     * @param bool $crop whether to crop image or not
     * @return array returns array containing img_url, width and height
     *
     * @see edgtf_quadric_get_attachment_id_from_url()
     * @see get_attached_file()
     * @see wp_get_attachment_url()
     * @see wp_get_image_editor()
     */
    function edgtf_quadric_resize_image($attach_id = null, $attach_url = null, $width = null, $height = null, $crop = true) {
        $return_array = array();

//is attachment id empty?
        if(empty($attach_id) && $attach_url !== '') {
            //get attachment id from url
            $attach_id = edgtf_quadric_get_attachment_id_from_url($attach_url);
        }

if(!empty($attach_id) && (isset($width) && isset($height))) {

//get file path of the attachment
            $img_path = get_attached_file($attach_id);

//get attachment url
            $img_url  = wp_get_attachment_url($attach_id);

//break down img path to array so we can use it's components in building thumbnail path
            $img_path_array = pathinfo($img_path);

//build thumbnail path
            $new_img_path = ( ( $img_path_array['dirname'] !== null ) ? $img_path_array['dirname'] : '' ).'/'.( ( $img_path_array['filename'] !== null ) ? $img_path_array['filename'] : '' ).'-'.$width.'x'.$height.'.'.( ( $img_path_array['extension'] !== null ) ? $img_path_array['extension'] : '' );

//build thumbnail url
            $new_img_url = str_replace($img_path_array['filename'], $img_path_array['filename'].'-'.$width.'x'.$height, $img_url);

//check if thumbnail exists by it's path
            if(!file_exists($new_img_path)) {
                //get image manipulation object
                $image_object = wp_get_image_editor($img_path);

if(!is_wp_error($image_object)) {
                    //resize image and save it new to path
                    $image_object->resize($width, $height, $crop);
                    $image_object->save($new_img_path);

//get sizes of newly created thumbnail.
                    ///we don't use $width and $height because those might differ from end result based on $crop parameter
                    $image_sizes = $image_object->get_size();

$width = $image_sizes['width'];
                    $height = $image_sizes['height'];
                }
            }

//generate data to be returned
            $return_array = array(
                'img_url' => $new_img_url,
                'img_width' => $width,
                'img_height' => $height
            );
        }

//attachment wasn't found, probably because it comes from external source
        elseif($attach_url !== '' && (isset($width) && isset($height))) {
            //generate data to be returned
            $return_array = array(
                'img_url' => $attach_url,
                'img_width' => $width,
                'img_height' => $height
            );
        }

return $return_array;
    }
}

if(!function_exists('edgtf_quadric_generate_thumbnail')) {
    /**
     * Generates thumbnail img tag. It calls edgtf_resize_image function which resizes img on the fly
     * @param null $attach_id attachment id
     * @param null $attach_url attachment URL
     * @param  int$width width of thumbnail
     * @param int $height height of thumbnail
     * @param bool $crop whether to crop thumbnail or not
     * @return string generated img tag
     *
     * @see edgtf_quadric_resize_image()
     * @see edgtf_quadric_get_attachment_id_from_url()
     */
    function edgtf_quadric_generate_thumbnail($attach_id = null, $attach_url = null, $width = null, $height = null, $crop = true) {
        //is attachment id empty?
        if(empty($attach_id)) {
            //get attachment id from attachment url
            $attach_id = edgtf_quadric_get_attachment_id_from_url($attach_url);
        }

if(!empty($attach_id) || !empty($attach_url)) {
            $img_info = edgtf_quadric_resize_image($attach_id, $attach_url, $width, $height, $crop);
            $img_alt = !empty($attach_id) ? get_post_meta($attach_id, '_wp_attachment_image_alt', true) : '';

if(is_array($img_info) && count($img_info)) {
                return '<img src="'.$img_info['img_url'].'" alt="'.$img_alt.'" width="'.$img_info['img_width'].'" height="'.$img_info['img_height'].'" />';
            }
        }

return '';
    }
}

if(!function_exists('edgtf_quadric_get_template_part')) {
    /**
     * Loads template part with parameters. If file with slug parameter added exists it will load that file, else it will load file without slug added.
     * Child theme friendly function
     *
     * @param string $template name of the template to load without extension
     * @param string $slug
     * @param array $params array of parameters to pass to template
     */
    function edgtf_quadric_get_template_part($template, $slug = '', $params = array()) {
        if(is_array($params) && count($params)) {
            extract($params);
        }

$templates = array();

if($template !== '') {
            if($slug !== '') {
                $templates[] = "{$template}-{$slug}.php";
            }

$templates[] = $template.'.php';
        }

$located = locate_template($templates);

if($located) {
            include($located);
        }
    }
}

if(!function_exists('edgtf_quadric_get_module_template_part')) {
    /**
     * Loads module template part.
     *
     * @param string $template name of the template to load
     * @param string $module name of the module folder
     * @param string $slug
     * @param array $params array of parameters to pass to template
     *
     * @see edgtf_quadric_get_template_part()
     */
    function edgtf_quadric_get_module_template_part($template, $module, $slug = '', $params = array()) {
        $template_path = 'framework/modules/'.$module;

edgtf_quadric_get_template_part($template_path.'/'.$template, $slug, $params);
    }
}

if(!function_exists('edgtf_quadric_get_shortcode_module_template_part')) {
	/**
	 * Loads module template part.
	 *
	 * @param string $template name of the template to load
	 * @param string $module name of the module folder
	 * @param string $slug
	 * @param array $params array of parameters to pass to template
	 *
	 * @see edgtf_quadric_get_template_part()
	 */
	function edgtf_quadric_get_shortcode_module_template_part($template, $module, $slug = '', $params = array()) {

//HTML Content from template
		$html = '';
		$template_path = 'framework/modules/shortcodes/'.$module;

$temp = $template_path.'/'.$template;
		
		if(is_array($params) && count($params)) {
			extract($params);
		}

$templates = array();

if($temp !== '') {
			if($slug !== '') {
				$templates[] = "{$temp}-{$slug}.php";
			}

$templates[] = $temp.'.php';
		}
		$located = locate_template($templates);
		if($located) {
			ob_start();
			include($located);
			$html = ob_get_clean();
		}

return $html;
	}
}

if(!function_exists('edgtf_quadric_filter_suffix')) {
    /**
     * Removes suffix from given value. Useful when you have to remove parts of user input, e.g px at the end of string
     * @param $value
     * @param $suffix
     *
     * @return string
     */
    function edgtf_quadric_filter_suffix($value, $suffix) {
        if($value !== '' && edgtf_quadric_string_ends_with($value, $suffix)) {
            $value = substr($value, 0, strpos($value, $suffix));
        }

return $value;
    }
}

if(!function_exists('edgtf_quadric_filter_px')) {
    /**
     * Removes px in provided value if value ends with px
     * @param $value
     * @return string
     *
     * @see edgtf_quadric_filter_suffix
     */
    function edgtf_quadric_filter_px($value) {
        return edgtf_quadric_filter_suffix($value, 'px');
    }
}

if(!function_exists('edgtf_quadric_string_starts_with')) {
    /**
     * Checks if $haystack starts with $needle and returns proper bool value
     * @param $haystack string to check
     * @param $needle string with which $haystack needs to start
     * @return bool
     */
    function edgtf_quadric_string_starts_with($haystack, $needle) {
        if($haystack !== '' && $needle !== '') {
            return (substr($haystack, 0, strlen($needle)) == $needle);
        }

return true;
    }
}

if(!function_exists('edgtf_quadric_string_ends_with')) {
    /**
     * Checks if $haystack ends with $needle and returns proper bool value
     * @param $haystack string to check
     * @param $needle string with which $haystack needs to end
     * @return bool
     */
    function edgtf_quadric_string_ends_with($haystack, $needle) {
        if($haystack !== '' && $needle !== '') {
            return (substr($haystack, -strlen($needle), strlen($needle)) == $needle);
        }

return true;
    }
}

if(!function_exists('edgtf_quadric_dynamic_css')) {
    /**
     * Generates css based on selector and rules that are provided
     *
     * @param array|string $selector selector for which to generate styles
     * @param array $rules associative array of rules.
     *
     * Example of usage: if you want to generate this css:
     *      header { width: 100%; }
     * function call should look like this: edgtf_dynamic_css('header', array('width' => '100%'));
     *
     * @return string
     */
    function edgtf_quadric_dynamic_css($selector, $rules) {
        $output = '';
        //check if selector and rules are valid data
        if(!empty($selector) && (is_array($rules) && count($rules))) {
            if(EDGE_THEME_ENV == 'dev') {
                $calling_function = debug_backtrace();

if(isset($calling_function[0]['file']) && isset($calling_function[1]['function'])) {
                    $output .= '/* generated in '.$calling_function[0]['file'].' '.$calling_function[1]['function'].' function */'."\n";
                }
            }

if(is_array($selector) && count($selector)) {
                $output .= implode(', ', $selector);
            } else {
                $output .= $selector;
            }

$output .= ' { ';
            foreach($rules as $prop => $value) {
                if($prop !== '') {
                    $output .= $prop.': '.esc_attr($value).';';
                }
            }

$output .= '}'."\n\n";
        }

return $output;
    }
}

if(!function_exists('edgtf_quadric_get_formatted_font_family')) {
    /**
     * Returns formatted font family name for css usage
     *
     * @param $value
     *
     * @return mixed
     */
    function edgtf_quadric_get_formatted_font_family($value) {
        return str_replace('+', ' ', $value);
    }
}

if ( !function_exists('edgtf_quadric_active_widget') ) {
	/**
	 * Whether widget is displayed on the front-end.
	 */
	function edgtf_quadric_active_widget($callback = false, $widget_id = false, $id_base = false, $skip_inactive = true) {
		global $wp_registered_widgets;

$sidebars_widgets = wp_get_sidebars_widgets();
		$sidebars_array = array();

if ( is_array($sidebars_widgets) ) {
			foreach ( $sidebars_widgets as $sidebar => $widgets ) {
				if ( $skip_inactive && ( 'wp_inactive_widgets' === $sidebar || 'orphaned_widgets' === substr( $sidebar, 0, 16 ) ) ) {
					continue;
				}
				if ( is_array($widgets) ) {
					foreach ( $widgets as $widget ) {
						if ( ( $callback && isset($wp_registered_widgets[$widget]['callback']) && $wp_registered_widgets[$widget]['callback'] == $callback ) || ( $id_base && _get_widget_id_base($widget) == $id_base ) ) {
							if ( !$widget_id || $widget_id == $wp_registered_widgets[$widget]['id'] ) {
								$sidebars_array[] = $sidebar;
							}
						}
					}
				}
			}
			return $sidebars_array;
		}
		return false;
	}
}

if(!function_exists('edgtf_quadric_execute_shortcode')) {
	/**
	 * @param $shortcode_tag - shortcode base
	 * @param $atts - shortcode attributes
	 * @param null $content - shortcode content
	 *
	 * @return mixed|string
	 */
	function edgtf_quadric_execute_shortcode($shortcode_tag, $atts, $content = null) {
		global $shortcode_tags;

if(!isset($shortcode_tags[$shortcode_tag])) {
			return 'Shortcode don\'t exist';
		}

if(is_array($shortcode_tags[$shortcode_tag])) {
			$shortcode_array = $shortcode_tags[$shortcode_tag];
			return call_user_func(array(
				$shortcode_array[0],
				$shortcode_array[1]
			), $atts, $content, $shortcode_tag);
		}

return call_user_func($shortcode_tags[$shortcode_tag], $atts, $content, $shortcode_tag);
	}
}

if ( ! function_exists('edgtf_quadric_paged') ) {
	/**
	 * Function which return number of pages depends on query
	 *
	 * @return int
	 */
	function edgtf_quadric_paged() {

if (get_query_var('paged') ) {
			$paged = get_query_var('paged');
		} elseif ( get_query_var('page') ) {
			$paged = get_query_var('page');
		}
		else {
			$paged = 1;
		}

return $paged;

}

if(!function_exists('edgtf_quadric_is_smoth_scroll_enabled')) {
	/**
	 * Function that check is smoth scroll is enabled
	 */
	function edgtf_quadric_is_smoth_scroll_enabled() {

$mac_os = strpos( getenv("HTTP_USER_AGENT"), 'Mac' );

$is_enabled = false;

//is smooth scroll enabled enabled and not Mac device?
		if(edgtf_quadric_options()->getOptionValue('smooth_scroll') == 'yes' && $mac_os == false) {
			$is_enabled = true;
		}

return $is_enabled;
	}
}

if ( ! function_exists('edgtf_quadric_show_comments') ) {
	/**
	 * Functions which check are comments enabled on page
	 *
	 * @return boolean
	 */
	function edgtf_quadric_show_comments() {

$comments = false;
		$id = edgtf_quadric_get_page_id();
		if(get_post_meta($id, 'edgtf_page_comments_meta', true) == 'yes'){
			$comments = true;
		}elseif(get_post_meta($id, 'edgtf_page_comments_meta', true) == 'no') {
			$comments = false;
		}else {
			if(is_page() && edgtf_quadric_options()->getOptionValue('page_show_comments') == 'yes'){
				$comments = true;
			}elseif(is_singular('post') && edgtf_quadric_options()->getOptionValue('blog_single_comments') == 'yes'){
				$comments = true;
			}elseif(is_singular('portfolio-item') && edgtf_quadric_options()->getOptionValue('portfolio_single_comments') == 'yes'){
				$comments = true;
			}
		}

return $comments;

}

if ( ! function_exists('edgtf_quadric_page_comments') ) {
	/**
	 * Functions which show comments on page
	 *
	 * @return boolean
	 */
	function edgtf_quadric_page_comments() {

$comments = edgtf_quadric_show_comments();

if($comments){
			comments_template('', true);
		}

}
	add_action('edgtf_quadric_page_after_content', 'edgtf_quadric_page_comments');
}

if ( ! function_exists('edgtf_quadric_page_show_pagination') ) {
	/**
	 * Functions which show pagination on pages
	 *
	 * @return boolean
	 */
	function edgtf_quadric_page_show_pagination() {

$args_pages = array(
			'before'           => '<div class="edgtf-single-links-pages"><div class="edgtf-single-links-pages">',
			'after'            => '</div></div>',
			'pagelink'         => '<span>%</span>'
		);
		wp_link_pages($args_pages);

}
	add_action('edgtf_quadric_page_after_content', 'edgtf_quadric_page_comments');
}

if(!function_exists('edgtf_quadric_icon_collections')) {
	/**
	 * Returns instance of EdgeIconCollections class
	 *
	 * @return EdgeQuadricIconCollections
     */
	function edgtf_quadric_icon_collections() {
        return EdgeQuadricIconCollections::get_instance();
    }

}

if(!function_exists('edgtf_quadric_get_meta_field_intersect')) {
	/**
	 * @param $name
	 * @param $post_id
	 *
	 * @return bool|mixed|void
     */
    function edgtf_quadric_get_meta_field_intersect($name, $post_id = '') {
	    $post_id = !empty($post_id) ? $post_id : get_the_ID();

if($post_id !== -1) {
		    $meta_field = get_post_meta($post_id, 'edgtf_'.$name.'_meta', true);
		    if($meta_field !== '' && $meta_field !== false) {
			    return $meta_field;
		    }
	    }

return edgtf_quadric_options()->getOptionValue($name);
    }
}

if (!function_exists('edgtf_quadric_register_button')) {
	/**
	 * Register button with shortcodes for WP editor
	 *
	 * @param $buttons
	 * @return mixed
	 */
	function edgtf_quadric_register_button($buttons) {
		array_push($buttons, "|", "edgt_shortcodes");
		return $buttons;
	}

}

if (!function_exists('edgtf_quadric_add_plugin')) {

function edgtf_quadric_add_plugin($plugin_array) {
//		$plugin_array['edgt_shortcodes'] = get_template_directory_uri() . '/includes/shortcodes/edgt_shortcodes.js';
		$plugin_array['edgt_shortcodes'] = EDGE_FRAMEWORK_ROOT . '/admin/assets/js/edgtf-shortcodes.js';
		return $plugin_array;
	}

}

if (!function_exists('edgtf_quadric_shortcodes_button')) {
	/**
	 * Register Edge Shortcodes in WP Editor
	 */
	function edgtf_quadric_shortcodes_button() {
		if (!current_user_can('edit_posts') && !current_user_can('edit_pages')) {
			return;
		}

if (get_user_option('rich_editing') == 'true') {
			add_filter('mce_external_plugins', 'edgtf_quadric_add_plugin');
			add_filter('mce_buttons', 'edgtf_quadric_register_button');
		}
	}

}
add_action('after_setup_theme', 'edgtf_quadric_shortcodes_button');

?? edgt.icons | ??? Delete
?? edgt.common.php | ?? Edit | ??? Delete
?? edgt.framework.php | ?? Edit | ??? Delete
?? edgt.functions.php | ?? Edit | ??? Delete
?? edgt.kses.php | ?? Edit | ??? Delete
?? edgt.layout.php | ?? Edit | ??? Delete
?? edgt.optionsapi.php | ?? Edit | ??? Delete
?? google-fonts.php | ?? Edit | ??? Delete