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<?php
class EF_Speakers_Helper {
private static $field_types = array(
'title' => 'speakers_full_title_',
'order' => 'speakers_full_order_',
'keynote' => 'speaker_keynote'
);
public static function get_meta( $id, $meta_key, $order = null ) {
echo self::print_meta( $id, $meta_key, $order );
}
public static function print_meta( $id, $meta_key, $order = null ) {
$post_meta_key = $meta_key;
if ( isset( self::$field_types[$meta_key] ) ) {
$post_meta_key = self::$field_types[$meta_key];
}
if ( ! is_null( $order ) ) {
$post_meta_key .= $order;
}
return get_post_meta(get_the_ID(), $post_meta_key, true);
}
public static function ef_speaker_sessions_posts_fields( $sql ) {
global $wpdb;
return $sql . ", $wpdb->postmeta.meta_value as date, mt2.meta_value as time";
}
public static function ef_speaker_sessions_posts_orderby( $sql ) {
return $sql . ", mt2.meta_value ASC";
}
}