/ New Multi Checkbox field for woocommerce backend
function woocommerce_wp_multi_checkbox( $field ) {
global $thepostid, $post;
$field['value'] = get_post_meta( $thepostid, $field['id'], true );
$thepostid = empty( $thepostid ) ? $post->ID : $thepostid;
$field['class'] = isset( $field['class'] ) ? $field['class'] : 'select short';
$field['style'] = isset( $field['style'] ) ? $field['style'] : '';
$field['wrapper_class'] = isset( $field['wrapper_class'] ) ? $field['wrapper_class'] : '';
$field['value'] = isset( $field['value'] ) ? $field['value'] : array();
$field['name'] = isset( $field['name'] ) ? $field['name'] : $field['id'];
$field['desc_tip'] = isset( $field['desc_tip'] ) ? $field['desc_tip'] : false;
echo '<fieldset class="form-field ' . esc_attr( $field['id'] ) . '_field ' . esc_attr( $field['wrapper_class'] ) . '">
<legend>' . wp_kses_post( $field['label'] ) . '</legend>';
if ( ! empty( $field['description'] ) && false !== $field['desc_tip'] ) {
echo wc_help_tip( $field['description'] );
}
echo '<ul class="wc-radios">';
foreach ( $field['options'] as $key => $value ) {
echo '<li><label><input
name="' . esc_attr( $field['name'] ) . '"
value="' . esc_attr( $key ) . '"
type="checkbox"
class="' . esc_attr( $field['class'] ) . '"
style="' . esc_attr( $field['style'] ) . '"
' . ( in_array( $key, $field['value'] ) ? 'checked="checked"' : '' ) . ' /> ' . esc_html( $value ) . '</label>
</li>';
}
echo '</ul>';
if ( ! empty( $field['description'] ) && false === $field['desc_tip'] ) {
echo '<span class="description">' . wp_kses_post( $field['description'] ) . '</span>';
}
echo '</fieldset>';
}
// Add custom multi-checkbox field for product general option settings
add_action( 'woocommerce_product_options_general_product_data', 'add_custom_settings_fields', 20 );
function add_custom_settings_fields() {
global $post;
echo '<div class="options_group hide_if_variable"">'; // Hidding in variable products
woocommerce_wp_multi_checkbox( array(
'id' => '_custom_level',
'name' => '_custom_level[]',
'label' => __('Levels', 'woocommerce'),
'options' => array(
'MBO' => __( 'MBO', 'woocommerce' ),
'HBO' => __( 'HBO', 'woocommerce' ),
'WO' => __( 'WO', 'woocommerce' )
)
) );
echo '</div>';
}
// Save custom multi-checkbox fields to database when submitted in Backend (for all other product types)
add_action( 'woocommerce_process_product_meta', 'save_product_options_custom_fields', 30, 1 );
function save_product_options_custom_fields( $post_id ){
if( isset( $_POST['_custom_level'] ) ){
$post_data = $_POST['_custom_level'];
// Data sanitization
$sanitize_data = array();
if( is_array($post_data) && sizeof($post_data) > 0 ){
foreach( $post_data as $value ){
$sanitize_data[] = esc_attr( $value );
}
}
update_post_meta( $post_id, '_custom_level', $sanitize_data );
}
}
. ( in_array( $key, $field['value'] ) ? 'checked="checked"' : '' ) . ' /> '
in_array() expects parameter 2 to be array
/ New Multi Checkbox field for woocommerce backend
function woocommerce_wp_multi_checkbox( $field ) {
global $thepostid, $post;
$field['value'] = get_post_meta( $thepostid, $field['id'], true );
$thepostid = empty( $thepostid ) ? $post->ID : $thepostid;
$field['class'] = isset( $field['class'] ) ? $field['class'] : 'select short';
$field['style'] = isset( $field['style'] ) ? $field['style'] : '';
$field['wrapper_class'] = isset( $field['wrapper_class'] ) ? $field['wrapper_class'] : '';
$field['value'] = isset( $field['value'] ) ? $field['value'] : array();
$field['name'] = isset( $field['name'] ) ? $field['name'] : $field['id'];
$field['desc_tip'] = isset( $field['desc_tip'] ) ? $field['desc_tip'] : false;
echo '<fieldset class="form-field ' . esc_attr( $field['id'] ) . '_field ' . esc_attr( $field['wrapper_class'] ) . '">
<legend>' . wp_kses_post( $field['label'] ) . '</legend>';
if ( ! empty( $field['description'] ) && false !== $field['desc_tip'] ) {
echo wc_help_tip( $field['description'] );
}
echo '<ul class="wc-radios">';
foreach ( $field['options'] as $key => $value ) {
echo '<li><label><input
name="' . esc_attr( $field['name'] ) . '"
value="' . esc_attr( $key ) . '"
type="checkbox"
class="' . esc_attr( $field['class'] ) . '"
style="' . esc_attr( $field['style'] ) . '"
' . (array_search($key, is_array($field["value"]) ? $field["value"]:array($field["value"])) !== false ? 'checked="checked"': '' ). ' /> ' . esc_html( $value ) . '</label>
</li>';
}
echo '</ul>';
if ( ! empty( $field['description'] ) && false === $field['desc_tip'] ) {
echo '<span class="description">' . wp_kses_post( $field['description'] ) . '</span>';
}
echo '</fieldset>';
}
// Add custom multi-checkbox field for product general option settings
add_action( 'woocommerce_product_options_general_product_data', 'add_custom_settings_fields', 20 );
function add_custom_settings_fields() {
global $post;
echo '<div class="options_group hide_if_variable"">'; // Hidding in variable products
woocommerce_wp_multi_checkbox( array(
'id' => '_custom_level',
'name' => '_custom_level[]',
'label' => __('Levels', 'woocommerce'),
'options' => array(
'MBO' => __( 'MBO', 'woocommerce' ),
'HBO' => __( 'HBO', 'woocommerce' ),
'WO' => __( 'WO', 'woocommerce' )
)
) );
echo '</div>';
}
// Save custom multi-checkbox fields to database when submitted in Backend (for all other product types)
add_action( 'woocommerce_process_product_meta', 'save_product_options_custom_fields', 30, 1 );
function save_product_options_custom_fields( $post_id ){
if( isset( $_POST['_custom_level'] ) ){
$post_data = $_POST['_custom_level'];
// Data sanitization
$sanitize_data = array();
if( is_array($post_data) && sizeof($post_data) > 0 ){
foreach( $post_data as $value ){
$sanitize_data[] = esc_attr( $value );
}
}
update_post_meta( $post_id, '_custom_level', $sanitize_data );
} else {
delete_post_meta( $post_id, '_custom_level' );
}
}
$field['value'] = get_post_meta( $thepostid, $field['id'], true );