value()`
* @param int $object_id The ID of the current object
* @param string $object_type The type of object you are working with.
* Most commonly, `post` (this applies to all post-types),
* but could also be `comment`, `user` or `options-page`.
* @param object $field_type_object The `CMB2_Types` object
*/
function aam_cmb2_render_combination_field_callback( $field, $value, $object_id, $object_type, $field_type_object ) {
// make sure we specify each part of the value we need.
$value = wp_parse_args( $value, array(
'school' => '',
'program' => '',
'intake' => '',
'combination' => '',
'round' => ''
) );
//get schools
$args = array(
'post_type' => 'school'
);
$query = new WP_Query($args);
$schools = '';
foreach($query->get_posts() as $school) {
$schools .= '';
}
//get post if editing
/*$school_id = 0;
if($value['school'] != '') {
$school_id = get_post_meta($value['school'], '_aam_combination_school', true);
}*/
$pgs = '';
//get programs
$args = array(
'post_type' => 'school',
);
if($value['school'] != '') {
$args['p'] = $value['school'];
$query = new WP_Query( $args );
foreach ( $query->get_posts() as $school ) {
$programs = get_post_meta( $school->ID, '_aam_school_programs_group', true );
foreach ( $programs as $program ) {
$pgs .= '';
}
}
}
//get intake
$intks = '';
if ($value['school'] != '' && $value['program'] != '') {
$intakes = get_terms( array(
'taxonomy' => 'intake',
'hide_empty' => false
) );
foreach($intakes as $intake) {
$intks .= '';
}
}
/*//get combinations
$cbs = '';
if($value['school'] != '' && $value['program'] != '' && $value['intake'] != '') {
$args = array(
'post_type' => 'combination',
'tax_query' => array(
array(
'taxonomy' => 'intake',
'field' => 'term_id',
'terms' => $value['intake']
),
),
'meta_query' => array(
array(
'key' => '_aam_combination_school',
'value' => $value['school'],
'compare' => '=',
),
array(
'key' => '_aam_combination_program',
'value' => $value['program'],
'compare' => '=',
),
)
);
$query = new WP_Query($args);
if($query->have_posts()) {
foreach ( $query->get_posts() as $comb ) {
$r = get_post_meta( $comb->ID, '_aam_combination_rounds', true );
$cbs .= '';
}
}
}*/
//get rounds
$rds = '';
if($value['combination'] != '') {
$rounds = get_post_meta( $value['combination'], '_aam_combination_rounds', true );
for($i = 1; $i <= $rounds; $i++) {
$rds .= '';
}
}
?>
Please select School, Program and Intake to search for combinations
select( array(
'name' => $field_type_object->_name( '[school]' ),
'id' => $field_type_object->_id( '_school' ),
'options' => $schools
) ); ?>
select( array(
'name' => $field_type_object->_name( '[program]' ),
'id' => $field_type_object->_id( '_program' ),
'options' => $pgs
) ); ?>
select( array(
'name' => $field_type_object->_name( '[intake]' ),
'id' => $field_type_object->_id( '_intake' ),
'options' => $intks,
) ); ?>
select( array(
'name' => $field_type_object->_name( '[round]' ),
'id' => $field_type_object->_id( '_round' ),
'options' => $rds,
) ); ?>