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Edit File: themify-metabox-core.php

<?php

if( ! class_exists( 'Themify_Metabox' ) ) :
class Themify_Metabox {

private static $instance = null;
	var $panel_options;

public static function get_instance() {
		return null == self::$instance ? self::$instance = new self : self::$instance;
	}

private function __construct() {
		$this->includes();
		add_action( 'init', array( $this, 'hooks' ), 100 );
	}

/**
	 * Setup plugin actions.
	 *
	 * Hooked to init[100] to ensure post types are loaded
	 * @since 1.0.3
	 */
	function hooks() {
		add_action( 'admin_menu', array( $this, 'admin_menu' ) );
		add_action( 'pre_post_update', array( $this, 'save_postdata' ), 101 );
		add_action( 'save_post', array( $this, 'save_postdata' ), 101 );
		add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ), 11 );
		add_filter( 'is_protected_meta', array( $this, 'protected_meta' ), 10, 3 );
		// Color Manager Hooks
		add_action( 'wp_ajax_themify_import_colors', array( $this, 'themify_import_colors' ), 10 );
		add_action( 'wp_ajax_themify_save_colors', array( $this, 'themify_save_colors' ), 10 );
		add_action( 'admin_init', array( $this, 'themify_export_colors' ), 10 );

}

function includes() {
		require_once( THEMIFY_METABOX_DIR . 'includes/themify-field-types.php' );
		require_once( THEMIFY_METABOX_DIR . 'includes/themify-metabox-utils.php' );
		require_once( THEMIFY_METABOX_DIR . 'includes/themify-user-fields.php' );
		require_once( THEMIFY_METABOX_DIR . 'includes/themify-term-fields.php' );
	}

/**
	 * Returns a list of all meta boxes registered through Themify Metabox plugin
	 *
	 * @return array
	 * @since 1.0.2
	 */
	function get_meta_boxes() {
		static $meta_boxes = null;

if( ! isset( $meta_boxes ) ) {
			// Themify Custom Panel by default is added to all post types
			$types = get_post_types( '', 'names' );
			$meta_boxes = apply_filters( 'themify_metaboxes', array(
				'themify-meta-boxes' => array(
					'id' => 'themify-meta-boxes',
					'title' => __( 'Themify Custom Panel', 'themify' ),
					'context' => 'normal',
					'priority' => 'high',
					'screen' => $types,
				),
			) );
		}

return $meta_boxes;
	}

/**
	 * Returns the parameters for a meta box
	 *
	 * @param $id string the ID of the metabox registered using "themify_metaboxes" filter hook
	 * @return array
	 * @since 1.0.2
	 */
	public function get_meta_box( $id ) {
		$meta_boxes = $this->get_meta_boxes();
		if( isset( $meta_boxes[$id] ) ) {
			return $meta_boxes[$id];
		}

return false;
	}

/**
	 * Returns all the tabs and their fields for a meta box
	 *
	 * @param $meta_box string the ID of the metabox registered using "themify_metaboxes" filter hook
	 * @param $post_type string optional post_type to filter down the list of tabs displayed in the meta box
	 * @return array
	 * @since 1.0.2
	 */
	function get_meta_box_options( $meta_box, $post_type = null ) {
		if( ! isset( $this->panel_options[$meta_box] ) ) {
			if( 'themify-meta-boxes' === $meta_box ) {
				// backward compatibility
				global $themify_write_panels;
				if( ! isset( $themify_write_panels ) )
					$themify_write_panels = array();

$themify_write_panels = apply_filters( 'themify_do_metaboxes', $themify_write_panels );
				$this->panel_options['themify-meta-boxes'] = array_filter( apply_filters( "themify_metabox/fields/{$meta_box}", $themify_write_panels, $post_type ) );
			} else {
				$this->panel_options[$meta_box] = array_filter( apply_filters( "themify_metabox/fields/{$meta_box}", array(), $post_type ) );
			}
		}

$meta_box_result = $this->panel_options[$meta_box];

// filter the panels by post type
		if ( $post_type ) {
			$meta_box_result = array();
			foreach ( $this->panel_options[ $meta_box ] as $tab ) {
				if ( !empty( $tab['pages'] )  ) {
					if ( ! is_array( $tab['pages'] ) ) {
						$tab['pages'] = array_map( 'trim', explode( ",", $tab['pages'] ) );
					}
				} else if ( isset( $def['screen'] ) && ( $def = $this->get_meta_box( $meta_box ) )  ) {
					$tab['pages'] = $def['screen'];
					
				}

if ( ! isset( $tab['pages'] ) || in_array( $post_type, $tab['pages'], true ) ) {
					$meta_box_result[] = $tab;
				}
			}
		}

return apply_filters( 'themify_metabox_panel_options', $meta_box_result );
	}

function admin_menu() {
		foreach( $this->get_meta_boxes() as $meta_box ) {
			add_meta_box( $meta_box['id'], $meta_box['title'], array( $this, 'render' ), $meta_box['screen'], $meta_box['context'], $meta_box['priority'] );
		}
	}

/**
	 * Save Custom Write Panel Data
	 * @param number
	 * @return mixed
	 */
	function save_postdata( $post_id ) {
		global $post;

if( function_exists( 'icl_object_id' ) && current_filter() === 'save_post' ) {
			wp_cache_delete( $post_id, 'post_meta' );
		}

if( ! isset( $_POST['post_type'] ) ) {
			return $post_id;
		}

if ( 'page' === $_POST['post_type'] ) {
			if ( ! current_user_can( 'edit_page', $post_id ) )
				return $post_id;
		} else {
			if ( ! current_user_can( 'edit_post', $post_id ) )
				return $post_id;
		}

if( !empty( $_POST['themify_proper_save'] )) {
			foreach( $this->get_meta_boxes() as $meta_box ) {
				$tabs = $this->get_meta_box_options( $meta_box['id'], $_POST['post_type'] );
				if( empty( $tabs ) )
					continue;

foreach( $tabs as $tab ) {
					foreach ( $tab['options'] as $field ) {

if( 'multi' === $field['type'] ) {
							// Grouped fields
							foreach ( $field['meta']['fields'] as $field ) {
								$this->_save_meta( $field, $post_id );
							}
						} elseif ( 'toggle_group' === $field['type'] ) {
							foreach ( $field['meta'] as $field_toggle ) {
								if ( 'multi' === $field_toggle['type'] ) {
									foreach ( $field_toggle['meta']['fields'] as $field_multi ) {
										$this->_save_meta( $field_multi, $post_id );
									}
								} else {
									$this->_save_meta( $field_toggle, $post_id );
								}
							}
						} else {
							$this->_save_meta( $field, $post_id );
						}
					}
				}
			}
		} else {
			if ( isset( $post ) && isset( $post->ID ) ) {
				return $post->ID;
			}
		}
		return false;
	}

/**
	 * Helper function that saves the custom field
	 *
	 * @since 1.0.2
	 */
	function _save_meta( $field, $post_id ) {
		$new_meta = isset( $field['name'],$_POST[$field['name']] )  ? $_POST[$field['name']] : '';
		$old_meta = get_post_meta( $post_id, $field['name'], true );

// when a default value is set for the field and it's the same as $new_meta, do not bother with saving the field
		if( isset( $field['default'] ) && $new_meta == $field['default'] ) {
			$new_meta = '';
		}

// remove empty meta fields from database
		if( '' == $new_meta && metadata_exists( 'post', $post_id, $field['name'] ) ) {
			delete_post_meta( $post_id, $field['name'] );
		}

if( $new_meta !== '' && $new_meta != $old_meta ) {
			update_post_meta( $post_id, $field['name'], $new_meta );
		}
	}

function render( $post, $metabox ) {
		global $post, $typenow;

$post_id = $post->ID;
		$tabs = $this->get_meta_box_options( $metabox['id'], $typenow );
		if( empty( $tabs ) ) {

if( $metabox['id'] === 'themify-meta-boxes' ) {
				// this is a hack to prevent Themify Custom Panel from showing up when it has no options to show
				echo '<style>#themify-meta-boxes, .metabox-prefs label[for="themify-meta-boxes-hide"] { display: none !important; }</style>';
			}
			return;
		}

$this->render_tabs( $tabs, $post, $metabox['id'] );
	}

/**
	 * Output the form and the fields
	 *
	 * @return null
	 */
	function render_tabs( $tabs, $post, $id ) {
		$post_id = $post->ID;

echo '<div class="themify-meta-box-tabs" id="' . $id . '-meta-box">';
			echo '<ul class="ilc-htabs themify-tabs-heading">';
			foreach( $tabs as $tab ) {
				if( isset( $tab['display_callback'] ) && is_callable( $tab['display_callback'] ) ) {
					$show = (bool) call_user_func( $tab['display_callback'], $tab );
					if( ! $show ) { // if display_callback returns "false",
						continue;  // do not output the tab
					}
				}
				$panel_id = isset( $tab['id'] )? $tab['id']: sanitize_title( $tab['name'] );
				echo '<li><span><a id="' . esc_attr( $panel_id . 't' ) . '" href="' . esc_attr( '#' . $panel_id ) . '">' . esc_html( $tab['name'] ) . '</a></span></li>';
			}
			echo '</ul>';
			echo '<div class="ilc-btabs themify-tabs-body">';
			foreach( $tabs as $tab ) {
				if( isset( $tab['display_callback'] ) && is_callable( $tab['display_callback'] ) ) {
					$show = (bool) call_user_func( $tab['display_callback'], $tab );
					if( ! $show ) { // if display_callback returns "false",
						continue;  // do not output the tab
					}
				}
				$panel_id = isset( $tab['id'] )? $tab['id']: sanitize_title( $tab['name'] );
				?>
				<div id="<?php echo esc_attr( $panel_id ); ?>" class="ilc-tab themify_write_panel">

<?php $themify_custom_panel_nonce = wp_create_nonce("themify-custom-panel"); ?>

<div class="alert"></div>

<?php
					foreach( $tab['options'] as $field ) :
                        if ( $field['type'] !== 'toggle_group' ) {
						$toggle_class = '';
						if( isset( $field['display_callback'] ) && is_callable( $field['display_callback'] ) ) {
							$show = (bool) call_user_func( $field['display_callback'], $field );
							if( ! $show ) { // if display_callback returns "false",
								continue;  // do not output the field
							}
						}

$meta_value = isset($field['name']) ? get_post_meta( $post_id, $field['name'], true ) : '';
						$ext_attr = '';
						if( isset($field['toggle']) ){
							$toggle_class .= 'themify-toggle ';
							$toggle_class .= (is_array($field['toggle'])) ? implode(' ', $field['toggle']) : $field['toggle'];
							if ( is_array( $field['toggle'] ) && in_array( '0-toggle', $field['toggle'] ) ) {
								$toggle_class .= ' default-toggle';
							}
						}
						if ( isset( $field['class'] ) ) {
							$toggle_class .= ' ';
							$toggle_class .= is_array( $field['class'] ) ? implode( ' ', $field['class'] ) : $field['class'];
						}
						$data_hide = '';
						if ( isset( $field['hide'] ) ) {
							$data_hide = is_array( $field['hide'] ) ? implode( ' ', $field['hide'] ) : $field['hide'];
						}
						if( isset($field['default_toggle']) && $field['default_toggle'] === 'hidden' ){
							$ext_attr = 'style="display:none;"';
						}
						if( isset($field['enable_toggle']) && $field['enable_toggle'] == true ) {
							$toggle_class .= ' enable_toggle';
						}

// @todo
						$meta_box = $field;

echo $this->before_meta_field( compact( 'meta_box', 'toggle_class', 'ext_attr', 'data_hide' ) );

do_action( "themify_metabox/field/{$field['type']}", compact( 'meta_box', 'meta_value', 'toggle_class', 'data_hide', 'ext_attr', 'post_id', 'themify_custom_panel_nonce' ) );

// backward compatibility: allow custom function calls in the fields array
						if( isset( $field['function'] ) && is_callable( $field['function'] ) ) {
							call_user_func( $field['function'], $field );
						}

echo $this->after_meta_field();
                        } else {
	                        echo $this->before_meta_toggle_field( $field['title'] );
	                        foreach ( $field['meta'] as $toggle_field ) {
		                        $toggle_class = '';
		                        if ( isset( $toggle_field['display_callback'] ) && is_callable( $toggle_field['display_callback'] ) ) {
			                        $show = (bool) call_user_func( $toggle_field['display_callback'], $toggle_field );
			                        if ( ! $show ) { // if display_callback returns "false",
				                        continue;  // do not output the field
			                        }
		                        }
		                        $meta_value = isset( $toggle_field['name'] ) ? get_post_meta( $post_id, $toggle_field['name'], true ) : '';
		                        $ext_attr   = '';
		                        if ( isset( $toggle_field['toggle'] ) ) {
			                        $toggle_class .= 'themify-toggle ';
			                        $toggle_class .= ( is_array( $toggle_field['toggle'] ) ) ? implode( ' ', $toggle_field['toggle'] ) : $toggle_field['toggle'];
			                        if ( is_array( $toggle_field['toggle'] ) && in_array( '0-toggle', $toggle_field['toggle'] ) ) {
				                        $toggle_class .= ' default-toggle';
			                        }
		                        }
		                        if ( isset( $toggle_field['class'] ) ) {
			                        $toggle_class .= ' ';
			                        $toggle_class .= is_array( $toggle_field['class'] ) ? implode( ' ', $toggle_field['class'] ) : $toggle_field['class'];
		                        }
		                        $data_hide = '';
		                        if ( isset( $toggle_field['hide'] ) ) {
			                        $data_hide = is_array( $toggle_field['hide'] ) ? implode( ' ', $toggle_field['hide'] ) : $toggle_field['hide'];
		                        }
		                        if ( isset( $toggle_field['default_toggle'] ) && $toggle_field['default_toggle'] === 'hidden' ) {
			                        $ext_attr = 'style="display:none;"';
		                        }
		                        if ( isset( $toggle_field['enable_toggle'] ) && $toggle_field['enable_toggle'] == true ) {
			                        $toggle_class .= ' enable_toggle';
		                        }
		                        $meta_box = $toggle_field;
		                        echo $this->before_meta_field( compact( 'meta_box', 'toggle_class', 'ext_attr', 'data_hide' ) );
		                        do_action( "themify_metabox/field/{$toggle_field['type']}", compact( 'meta_box', 'meta_value', 'toggle_class', 'data_hide', 'ext_attr', 'post_id', 'themify_custom_panel_nonce' ) );
		                        // backward compatibility: allow custom function calls in the fields array
		                        if ( isset( $toggle_field['function'] ) && is_callable( $toggle_field['function'] ) ) {
			                        call_user_func( $toggle_field['function'], $toggle_field );
		                        }
		                        echo $this->after_meta_field();
	                        }
	                        echo $this->after_meta_toggle_field();
                        }

endforeach; ?>
				</div>
				</div>
				<?php
			}
		echo '</div>';//end .ilc-btabs
		echo '</div>';//end #themify-meta-box-tabs
	}

function before_meta_field( $args = array() ) {
		$meta_box = $args['meta_box'];
		$meta_box_name = isset( $meta_box['name'] ) ? $meta_box['name'] : '';
		$toggle_class = isset( $args['toggle_class'] ) ? $args['toggle_class'] : '';
		$ext_attr = isset( $args['ext_attr'] ) ? $args['ext_attr'] : '';
		$html = '
		<input type="hidden" name="' . esc_attr( $meta_box_name ) . '_noncename" id="' . esc_attr( $meta_box_name ) . '_noncename" value="' . wp_create_nonce( plugin_basename(__FILE__) ) . '" />
		<div class="themify_field_row clearfix ' . esc_attr( $toggle_class ) . '" ' . esc_attr( $ext_attr );
		if ( isset( $args['data_hide'] ) && ! empty( $args['data_hide'] ) ) {
			$html .= ' data-hide="' . esc_attr( $args['data_hide'] ) . '"';
		}
		$html .= '>';
		if ( isset( $meta_box['title'] ) ) {
			$html .= '<div class="themify_field_title">' . esc_html( $meta_box['title'] ) . '</div>';
		}
		$html .= '<div class="themify_field themify_field-' . esc_attr( $meta_box['type'] ) . '">';

$html .= isset( $meta_box['meta']['before'] ) ? $meta_box['meta']['before'] : '';
		return $html;
	}

function after_meta_field( $after = null ) {
		$html = isset( $after ) ? $after : '';
		$html .= '
			</div>
		</div>';
		return $html;
	}

function before_meta_toggle_field( $title ) {
		$html = '
		<div class="themify_field_row themify_field_row_toggle clearfix">
		    <div class="themify_toggle_group_wrapper">
                <div class="themify_toggle_group_label">
                    <span>' . $title . '</span>
                    <i class="ti-plus"></i>
                </div>
                <div class="themify_toggle_group_inner">';

return $html;
	}

function after_meta_toggle_field() {
		$html = '</div></div>
		</div>';

return $html;
	}

function admin_enqueue_scripts( $page = '' ) {
		global $typenow, $wp_scripts;

$ui = $wp_scripts->query( 'jquery-ui-core' );
		$protocol = is_ssl() ? 'https': 'http';
		$url = "$protocol://ajax.googleapis.com/ajax/libs/jqueryui/{$ui->ver}/themes/smoothness/jquery-ui.css";
		wp_register_style( 'jquery-ui-smoothness', $url, false, null );

wp_register_style( 'themify-datetimepicker', THEMIFY_METABOX_URI . 'css/jquery-ui-timepicker.min.css', array( 'jquery-ui-smoothness' ) );
		wp_register_style( 'themify-colorpicker', themify_enque(THEMIFY_METABOX_URI . 'css/jquery.minicolors.css'), array() );
		wp_register_style( 'themify-metabox', themify_enque(THEMIFY_METABOX_URI . 'css/styles.css'), array( 'themify-colorpicker', 'themify-datetimepicker' ) );

wp_register_script( 'meta-box-tabs', themify_enque(THEMIFY_METABOX_URI . 'js/meta-box-tabs.js'), array( 'jquery' ), '1.0', true );
		wp_register_script( 'media-library-browse', themify_enque(THEMIFY_METABOX_URI . 'js/media-lib-browse.js'), array( 'jquery'), '1.0', true );
		wp_register_script( 'themify-colorpicker', THEMIFY_METABOX_URI . 'js/jquery.minicolors.min.js', array( 'jquery' ), null, true );
		$themify_metabox_scripts = array( 'jquery', 'meta-box-tabs', 'media-library-browse', 'jquery-ui-tabs', 'themify-colorpicker' );

wp_register_script( 'themify-metabox', themify_enque(THEMIFY_METABOX_URI . 'js/scripts.js'), $themify_metabox_scripts, '1.0', true );
		wp_register_script( 'themify-plupload',themify_enque(THEMIFY_METABOX_URI . 'js/plupload.js'), array( 'jquery', 'themify-metabox' ), null, true );

// Inject variable for Plupload
		$global_plupload_init = array(
			'runtimes'				=> 'html5',
			'browse_button'			=> 'plupload-browse-button', // adjusted by uploader
			'container' 			=> 'plupload-upload-ui', // adjusted by uploader
			'drop_element' 			=> 'drag-drop-area', // adjusted by uploader
			'file_data_name' 		=> 'async-upload', // adjusted by uploader
			'multiple_queues' 		=> true,
			'max_file_size' 		=> wp_max_upload_size() . 'b',
			'url' 					=> admin_url( 'admin-ajax.php' ),
			'filters' 				=> array(
				array(
					'title' => __( 'Allowed Files', 'themify' ),
					'extensions' => 'jpg,jpeg,gif,png,ico,zip,txt,svg',
				),
			),
			'multipart' 			=> true,
			'urlstream_upload' 		=> true,
			'multi_selection' 		=> false, // added by uploader
			 // additional post data to send to our ajax hook
			'multipart_params' 		=> array(
				'_ajax_nonce' => '', // added by uploader
				'imgid' => 0 // added by uploader
			)
		);
		wp_localize_script( 'themify-metabox', 'global_plupload_init', $global_plupload_init );
		wp_localize_script( 'themify-metabox', 'TF_Metabox', array(
			'url' => THEMIFY_METABOX_URI,
			'includes_url' => includes_url(),
		) );

do_action( 'themify_metabox_register_assets' );

// attempt to enqueue Metabox API assets automatically when needed
		if( ( $page === 'post.php' || $page === 'post-new.php' ) ) {
			foreach( $this->get_meta_boxes() as $meta_box ) {
				if( isset( $meta_box['screen'] ) && in_array( $typenow, $meta_box['screen'],true ) ) {
					$this->enqueue();
					break;
				}
			}
		}
	}

/**
	 * Enqueues Themify Metabox assets
	 *
	 * @since 1.0
	 */
	function enqueue() {
		wp_enqueue_media();
		wp_enqueue_style( 'themify-metabox' );
		wp_enqueue_script( 'themify-metabox' );
		wp_enqueue_script( 'themify-plupload' );

do_action( 'themify_metabox_enqueue_assets' );
	}

/*
	 * Protect $themify_write_panels fields
	 * This will hide these fields from Custom Fields panel
	 *
	 * @since 1.8.2
	 */
	function protected_meta( $protected, $meta_key, $meta_type ) {
		global $typenow;

if ( doing_action('wp_loaded') ) return; // make sure triggered on safe event #7507

static $protected_metas = array();
		if( $protected_metas == null ) {
			foreach( $this->get_meta_boxes() as $meta_box ) {
				$protected_metas = array_merge( themify_metabox_get_field_names( $this->get_meta_box_options( $meta_box['id'], $typenow ) ), $protected_metas );
			}
		}

if( is_array( $protected_metas ) && in_array( $meta_key, $protected_metas ) ) {
			$protected = true;
		}
		$this->panel_options = null;
		
		return $protected;
	}

/**
	 * Import color and gradient swatches
	 * @since 4.5
	 */
	function themify_import_colors() {
		check_ajax_referer( 'ajax-nonce', 'tb_load_nonce' );
		$response['status'] = 'ERROR';
		$response['msg'] = __( 'Oopsss ... .Something went wrong.', 'themify' );
		if ( isset( $_FILES['file'] ) ) {
			$fileContent = themify_get_file_contents( $_FILES['file']['tmp_name'] );
			$new_data = unserialize( $fileContent );
			if ( $new_data !== null ) {
				if ( 'colors' === $_POST['type'] ) {
					$type = 'colors';
				} else if ( 'gradients' === $_POST['type'] ) {
					$type = 'gradients';
				}
				if ( ( 'colors' === $type && !empty( end( $new_data )['uid'] ) ) || ( 'gradients' === $type && empty( end( $new_data )['uid'] ) ) ) {
					$currentSwatches = unserialize( get_option( 'themify_saved_' . $type, serialize( array() ) ) );
					$new_data = $currentSwatches + $new_data;
					update_option( 'themify_saved_' . $type, serialize( $new_data ) );
					$response['status'] = 'SUCCESS';
					$response['colors'] = $new_data;
					$response['msg'] = __( 'New swatches successfully imported.', 'themify' );
				} else {
					$response['status'] = 'FAILED';
					$response['msg'] = __( 'The uploaded file is not valid.', 'themify' );
				}

}
		}
		wp_send_json( $response );
		wp_die();
	}

/**
	 * Save color and gradient swatches
	 * @since 4.5
	 */
	function themify_save_colors() {
		check_ajax_referer( 'ajax-nonce', 'tb_load_nonce' );
		if ( 'colors' === $_POST['type'] ) {
			$type = 'colors';
		} else if ( 'gradients' === $_POST['type'] ) {
			$type = 'gradients';
		}
		$colors = !empty( $_POST['colors'] ) ? serialize( $_POST['colors'] ) : serialize( array() );
		update_option( 'themify_saved_' . $type, $colors );
		$response['status'] = 'success';
		wp_send_json( $response );
		wp_die();
	}

/**
	 * Localize required data for manage color and gradient swatches
	 * @since 4.5
	 */
	public static function themify_localize_cm_data() {
	    $default['colors'] = array(
	            '99999'=>array('color'=>'rgb(96,91,168)','opacity'=>'1','uid'=>'99999'),
	            '88888'=>array('color'=>'rgb(240,110,170)','opacity'=>'1','uid'=>'88888'),
	            '77777'=>array('color'=>'rgb(255,242,4)','opacity'=>'1','uid'=>'77777'),
	            '66666'=>array('color'=>'rgb(254,101,0)','opacity'=>'1','uid'=>'66666'),
	            '55555'=>array('color'=>'rgb(238,35,18)','opacity'=>'1','uid'=>'55555'),
	            '44444'=>array('color'=>'rgb(140,197,63)','opacity'=>'1','uid'=>'44444'),
	            '33333'=>array('color'=>'rgb(27,187,180)','opacity'=>'1','uid'=>'33333'),
	            '22222'=>array('color'=>'rgb(96,204,247)','opacity'=>'1','uid'=>'22222'),
	            '11111'=>array('color'=>'rgb(255,255,255)','opacity'=>'1','uid'=>'11111'),
	            '11110'=>array('color'=>'rgb(0,0,0)','opacity'=>'1','uid'=>'11110'),
        );
	    // Localize required data for color manager
		$data = array(
			'nonce' => wp_create_nonce( 'ajax-nonce' ),
			'ajax_url' => admin_url( 'admin-ajax.php' ),
			'colors' => unserialize( get_option( 'themify_saved_colors', serialize( $default['colors'] ) ) ),
			'gradients' => unserialize( get_option( 'themify_saved_gradients', serialize( array() ) ) ),
			'exportColorsURL' => add_query_arg( 'themify_export_colors', 'true', wp_nonce_url( admin_url( 'admin.php?page=themify' ), 'themify_export_colors_nonce' ) ),
			'exportGradientsURL' => add_query_arg( 'themify_export_gradients', 'true', wp_nonce_url( admin_url( 'admin.php?page=themify' ), 'themify_export_colors_nonce' ) ),
			'labels' => array(
				'import' => __( 'Import', 'themify' ),
				'export' => __( 'Export', 'themify' )
			)
		);
		return $data;

}

/**
	 * Export color and gradient swatches
	 * @since 4.5
	 */
	function themify_export_colors() {
		if ( ( !empty( $_GET['themify_export_colors'] ) || !empty( $_GET['themify_export_gradients'] ) ) && is_user_logged_in() && check_admin_referer( 'themify_export_colors_nonce' ) ) {
			if ( ini_get( 'zlib.output_compression' ) ) {
				ini_set( 'zlib.output_compression', 'Off' );
			}
			if ( !empty( $_GET['themify_export_colors'] ) ) {
				$type = 'colors';
			} else if ( !empty( $_GET['themify_export_gradients'] ) ) {
				$type = 'gradients';
			}
			ob_start();
			header( 'Content-Type: application/force-download' );
			header( 'Pragma: public' );
			header( 'Expires: 0' );
			header( 'Cache-Control: must-revalidate, post-check=0, pre-check=0' );
			header( 'Cache-Control: private', false );
			header( 'Content-Disposition: attachment; filename="themify_' . $type . '_export_' . date( "Y_m_d" ) . '.txt"' );
			header( 'Content-Transfer-Encoding: binary' );
			ob_clean();
			flush();
			echo get_option( 'themify_saved_' . $type, serialize( array() ) );
			exit();
		}
	}
}
endif;
add_action( 'init', 'Themify_Metabox::get_instance', 10 );

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