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Upload File : current_dir [ Writeable ] document_root [ Writeable ]

<?php
	/**
	 * Sanitize fields values before save
	 *
	 * @package xts
	 */
	
	namespace XTS\Options;
	
	if ( ! defined( 'ABSPATH' ) ) {
		exit; // Direct access not allowed.
	}
	
	/**
	 * Sanitization class for fields
	 */
	class Sanitize {
		/**
		 * Field class
		 *
		 * @var Field
		 */
		private $_field;
		
		/**
		 * Initial field value
		 *
		 * @var Field
		 */
		private $_value;
		
		/**
		 * Class contructor
		 *
		 * @since 1.0.0
		 *
		 * @param object $field Field object.
		 * @param string $value field value.
		 */
		public function __construct( $field, $value ) {
			$this->_field = $field;
			$this->_value = $value;
			
		}
		
		/**
		 * Run field value sanitization.
		 *
		 * @since 1.0.0
		 *
		 * @return sanitized value
		 */
		public function sanitize() {
			
			$val = $this->_value;

			switch ( $this->_field->args['type'] ) {
				case 'typography':
					if ( is_array( $val ) && ! isset( $val[0] ) ) {
						$val = array( $val );
					}
					break;
				
				case 'switcher':
					if ( 'yes' === $val ) {
						$val = '1';
					}
					break;
				
				case 'background':
					if ( is_array( $val ) ) {
						if ( isset( $val['background-color'] ) && ! isset( $val['color'] ) ) {
							$val['color'] = $val['background-color'];
							unset( $val['background-color'] );
						}
						
						if ( isset( $val['background-repeat'] ) && ! isset( $val['repeat'] ) ) {
							$val['repeat'] = $val['background-repeat'];
							unset( $val['background-repeat'] );
						}
						
						if ( isset( $val['background-size'] ) && ! isset( $val['size'] ) ) {
							$val['size'] = $val['background-size'];
							unset( $val['background-size'] );
						}
						
						if ( isset( $val['background-attachment'] ) && ! isset( $val['attachment'] ) ) {
							$val['attachment'] = $val['background-attachment'];
							unset( $val['background-attachment'] );
						}
						
						if ( isset( $val['background-position'] ) && ! isset( $val['position'] ) ) {
							$val['position'] = $val['background-position'];
							unset( $val['background-position'] );
						}
						
						if ( isset( $val['background-image'] ) && ! isset( $val['url'] ) ) {
							$val['url'] = $val['background-image'];
							unset( $val['background-image'] );
						}
					}
					break;
				
				case 'custom_fonts':
				case 'upload_icons':
					// TODO: sanitize complex array.
					break;
				
				case 'textarea':
					$val = wp_kses_post( $val );
					break;
				
				case 'editor':
					break;
				
				case 'color':
					if ( ! is_array( $val ) && strlen( $val ) == 7 && ( ! isset( $this->_field->args['data_type'] ) || $this->_field->args['data_type'] != 'hex' ) ) {
						$val = array( 'idle' => $val );
					}
					break;

				case 'select_with_table':
					if ( isset( $val['{{index}}'] ) ) {
						unset( $val['{{index}}'] );
					}

					if ( $val ) {
						foreach ( $val as $id => $data ) {
							if ( empty( $data['id'] ) ) {
								unset( $val[ $id ] );
							}
						}
					}

					break;

				case 'text_input':
					if ( ! empty( $this->_field->args['sanitize'] ) && 'slug' === $this->_field->args['sanitize'] ) {
						$val = strtolower( trim( preg_replace('/[^A-Za-z0-9-]+/', '_', $val ) ) );
					} elseif ( ! empty( $this->_field->args['attributes']['type'] ) && 'url' === $this->_field->args['attributes']['type'] ) {
						$val = sanitize_url( $val );
					} else {
						$val = sanitize_text_field( $val );
					}

					break;

				default:
					$val = is_array( $val ) ? array_map( 'sanitize_text_field', $val ) : sanitize_text_field( $val );
					break;
			}
			
			
			return $val;
			
		}
		
	}