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<?php
/* Text */
add_filter( 'of_sanitize_text', 'sanitize_text_field' );
/* Textarea */
function of_sanitize_textarea($input) {
global $allowedtags;
$output = wp_kses( $input, $allowedtags);
return $output;
}
add_filter( 'of_sanitize_textarea', 'of_sanitize_textarea' );
/* Select */
add_filter( 'of_sanitize_select', 'of_sanitize_enum', 10, 2);
/* Radio */
add_filter( 'of_sanitize_radio', 'of_sanitize_enum', 10, 2);
/* Images */
add_filter( 'of_sanitize_images', 'of_sanitize_enum', 10, 2);
/* Checkbox */
function of_sanitize_checkbox( $input ) {
if ( $input ) {
$output = "1";
} else {
$output = "0";
}
return $output;
}
add_filter( 'of_sanitize_checkbox', 'of_sanitize_checkbox' );
/* Multicheck */
function of_sanitize_multicheck( $input, $option ) {
$output = '';
if ( is_array( $input ) ) {
foreach( $option['options'] as $key => $value ) {
$output[$key] = "0";
}
foreach( $input as $key => $value ) {
if ( array_key_exists( $key, $option['options'] ) && $value ) {
$output[$key] = "1";
}
}
}
return $output;
}
add_filter( 'of_sanitize_multicheck', 'of_sanitize_multicheck', 10, 2 );
/* Color Picker */
add_filter( 'of_sanitize_color', 'of_sanitize_hex' );
/* Uploader */
function of_sanitize_upload( $input ) {
$output = '';
$filetype = wp_check_filetype($input);
if ( $filetype["ext"] ) {
$output = $input;
}
return $output;
}
add_filter( 'of_sanitize_upload', 'of_sanitize_upload' );
/* Check that the key value sent is valid */
function of_sanitize_enum( $input, $option ) {
$output = '';
if ( array_key_exists( $input, $option['options'] ) ) {
$output = $input;
}
return $output;
}
/* Background */
function of_sanitize_background( $input ) {
$output = wp_parse_args( $input, array(
'color' => '',
'image' => '',
'repeat' => 'repeat',
'position' => 'top center',
'attachment' => 'scroll'
) );
$output['color'] = apply_filters( 'of_sanitize_hex', $input['color'] );
$output['image'] = apply_filters( 'of_sanitize_upload', $input['image'] );
$output['repeat'] = apply_filters( 'of_background_repeat', $input['repeat'] );
$output['position'] = apply_filters( 'of_background_position', $input['position'] );
$output['attachment'] = apply_filters( 'of_background_attachment', $input['attachment'] );
return $output;
}
add_filter( 'of_sanitize_background', 'of_sanitize_background' );
function of_sanitize_background_repeat( $value ) {
$recognized = of_recognized_background_repeat();
if ( array_key_exists( $value, $recognized ) ) {
return $value;
}
return apply_filters( 'of_default_background_repeat', current( $recognized ) );
}
add_filter( 'of_background_repeat', 'of_sanitize_background_repeat' );
function of_sanitize_background_position( $value ) {
$recognized = of_recognized_background_position();
if ( array_key_exists( $value, $recognized ) ) {
return $value;
}
return apply_filters( 'of_default_background_position', current( $recognized ) );
}
add_filter( 'of_background_position', 'of_sanitize_background_position' );
function of_sanitize_background_attachment( $value ) {
$recognized = of_recognized_background_attachment();
if ( array_key_exists( $value, $recognized ) ) {
return $value;
}
return apply_filters( 'of_default_background_attachment', current( $recognized ) );
}
add_filter( 'of_background_attachment', 'of_sanitize_background_attachment' );
/* Typography */
function of_sanitize_typography( $input ) {
$output = wp_parse_args( $input, array(
'size' => '',
'face' => '',
'style' => '',
'color' => ''
) );
$output['size'] = apply_filters( 'of_font_size', $output['size'] );
$output['face'] = apply_filters( 'of_font_face', $output['face'] );
$output['style'] = apply_filters( 'of_font_style', $output['style'] );
$output['color'] = apply_filters( 'of_color', $output['color'] );
return $output;
}
add_filter( 'of_sanitize_typography', 'of_sanitize_typography' );
function of_sanitize_font_size( $value ) {
$recognized = of_recognized_font_sizes();
if ( in_array( (int) $value, $recognized ) ) {
return (int) $value;
}
return (int) apply_filters( 'of_default_font_size', $recognized );
}
add_filter( 'of_font_face', 'of_sanitize_font_face' );
function of_sanitize_font_style( $value ) {
$recognized = of_recognized_font_styles();
if ( array_key_exists( $value, $recognized ) ) {
return $value;
}
return apply_filters( 'of_default_font_style', current( $recognized ) );
}
add_filter( 'of_font_style', 'of_sanitize_font_style' );
function of_sanitize_font_face( $value ) {
$recognized = of_recognized_font_faces();
if ( array_key_exists( $value, $recognized ) ) {
return $value;
}
return apply_filters( 'of_default_font_face', current( $recognized ) );
}
add_filter( 'of_font_face', 'of_sanitize_font_face' );
/**
* Get recognized background repeat settings
*
* @return array
*
*/
function of_recognized_background_repeat() {
return array(
'none' => 'No Repeat',
'repeat-x' => 'Repeat Horizontally',
'repeat-y' => 'Repeat Vertically',
'repeat' => 'Repeat All',
);
}
/**
* Get recognized background positions
*
* @return array
*
*/
function of_recognized_background_position() {
return array(
'top left' => 'Top Left',
'top center' => 'Top Center',
'top right' => 'Top Right',
'center left' => 'Middle Left',
'center center' => 'Middle Center',
'center right' => 'Middle Right',
'bottom left' => 'Bottom Left',
'bottom center' => 'Bottom Center',
'bottom right' => 'Bottom Right'
);
}
/**
* Get recognized background attachment
*
* @return array
*
*/
function of_recognized_background_attachment() {
return array(
'scroll' => 'Scroll Normally',
'fixed' => 'Fixed in Place'
);
}
/**
* Sanitize a color represented in hexidecimal notation.
*
* @param string Color in hexidecimal notation. "#" may or may not be prepended to the string.
* @param string The value that this function should return if it cannot be recognized as a color.
* @return string
*
*/
function of_sanitize_hex( $hex, $default = '' ) {
if ( of_validate_hex( $hex ) ) {
return $hex;
}
return $default;
}
/**
* Get recognized font sizes.
*
* Returns an indexed array of all recognized font sizes.
* Values are integers and represent a range of sizes from
* smallest to largest.
*
* @return array
*/
function of_recognized_font_sizes() {
$sizes = range( 9, 71 );
$sizes = apply_filters( 'of_recognized_font_sizes', $sizes );
$sizes = array_map( 'absint', $sizes );
return $sizes;
}
/**
* Get recognized font faces.
*
* Returns an array of all recognized font faces.
* Keys are intended to be stored in the database
* while values are ready for display in in html.
*
* @return array
*
*/
function of_recognized_font_faces() {
return array(
'arial' => 'Arial',
'verdana' => 'Verdana, Geneva',
'trebuchet' => 'Trebuchet',
'georgia' => 'Georgia',
'times' => 'Times New Roman',
'tahoma' => 'Tahoma, Geneva',
'palatino' => 'Palatino',
'helvetica' => 'Helvetica*'
);
}
/**
* Get recognized font styles.
*
* Returns an array of all recognized font styles.
* Keys are intended to be stored in the database
* while values are ready for display in in html.
*
* @return array
*
*/
function of_recognized_font_styles() {
return array(
'normal' => 'Normal',
'italic' => 'Italic',
'bold' => 'Bold',
'bold italic' => 'Bold Italic'
);
}
/**
* Is a given string a color formatted in hexidecimal notation?
*
* @param string Color in hexidecimal notation. "#" may or may not be prepended to the string.
* @return bool
*
*/
function of_validate_hex( $hex ) {
$hex = trim( $hex );
/* Strip recognized prefixes. */
if ( 0 === strpos( $hex, '#' ) ) {
$hex = substr( $hex, 1 );
}
elseif ( 0 === strpos( $hex, '%23' ) ) {
$hex = substr( $hex, 3 );
}
/* Regex match. */
if ( 0 === preg_match( '/^[0-9a-fA-F]{6}$/', $hex ) ) {
return false;
}
else {
return true;
}
}