field name)
$GLOBALS['my_query_filters_associat'] = array(
'associatfield' => 'xxp_associat_field', //disciplines
'associatterritory' => 'xxp_associat_territory', //territori
'associatservice' => 'xxp_associat_service', //serveis
'associatcenter' => 'xxp_associat_center' //centre
);
$GLOBALS['my_query_filters_associat_dates'] = array(
'associatapplybegin' => 'xxp_associat_apply_begin',
'associatapplyend' => 'xxp_associat_apply_end'
//'associatcall' => 'xxp_associat_call',
);
// action
add_action('pre_get_posts', 'my_pre_get_posts_associats',10,1);
if ( ! function_exists( 'my_pre_get_posts_associats' ) ){
function my_pre_get_posts_associats( $query ) {
// bail early if is in admin
if( is_admin() ) { return; }
// bail early if not main query or plugin $the_query_associat
// - allows custom code / plugins to continue working
if( !$query->is_main_query() ) return;
$query->set( 'posts_per_page', -1);
//$query->set( 'relation', 'AND');
// loop over filters
foreach( $GLOBALS['my_query_filters_associat'] as $key => $fieldname)
{
// continue if not found in url
if( empty($_GET[ $fieldname ]) ) { continue; }
// get original meta query
$meta_query = []; //avoids infinite nesting
$meta_query[] = $query->get('meta_query');
// get the values for this filter
// eg: http://domain.tdl/associat/?xxp_associat_target=autonoma,entitat-publica
$filtervalues= explode(',', $_GET[ $fieldname ]);
// loop retreived values from checkboxes and filter them
foreach( $filtervalues as $filteredvalue )
{
// add our meta query to the original meta queries
$meta_query['relation'] = 'OR';
$meta_query[] = array(
'key' => $fieldname,
'value' => $filteredvalue,
'compare' => 'LIKE'
);
}
// update the meta query arguments
$query->set('meta_query', $meta_query);
//$query->set('relation', 'AND');
}
//echo '' . var_export($query, true) . '
';
//echo '' . print_r($query,true) . '
';
//always return
return;
}
}