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| 1 | add_action( 'restrict_manage_posts', 'acs_admin_posts_filter_restrict_manage_posts' ); | |
| 2 | /** | |
| 3 | * First create the dropdown | |
| 4 | * make sure to change POST_TYPE to the name of your custom post type | |
| 5 | * | |
| 6 | * @author Ohad Raz | |
| 7 | * | |
| 8 | * @return void | |
| 9 | */ | |
| 10 | function acs_admin_posts_filter_restrict_manage_posts(){
| |
| 11 | $type = 'contestentry'; | |
| 12 | if (isset($_GET['post_type'])) {
| |
| 13 | $type = $_GET['post_type']; | |
| 14 | } | |
| 15 | ||
| 16 | //only add filter to post type you want | |
| 17 | if ('contestentry' == $type){
| |
| 18 | - | if ('POST_TYPE' == $type){
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| 18 | + | |
| 19 | //in 'label' => 'value' format | |
| 20 | $values = array( | |
| 21 | 'Cow' => 'Cow', | |
| 22 | 'Goat' => 'Goat', | |
| 23 | 'Sheep' => 'Sheep', | |
| 24 | 'Cow-Goat' => 'Cow-Goat', | |
| 25 | 'Cow-Sheep' => 'Cow-Sheep', | |
| 26 | 'Cow-Goat-Sheep' => 'Cow-Goat-Sheep', | |
| 27 | 'Goat-Sheep' => 'Goat-Sheep', | |
| 28 | 'Water Buffalo' => 'Water Buffalo', | |
| 29 | 'Mixed' => 'Mixed' | |
| 30 | ); | |
| 31 | ?> | |
| 32 | <select name="ADMIN_FILTER_FIELD_VALUE"> | |
| 33 | <option value=""><?php _e('Filter By ', 'acs'); ?></option>
| |
| 34 | <?php | |
| 35 | $current_v = isset($_GET['ADMIN_FILTER_FIELD_VALUE'])? $_GET['ADMIN_FILTER_FIELD_VALUE']:''; | |
| 36 | foreach ($values as $label => $value) {
| |
| 37 | printf | |
| 38 | ( | |
| 39 | '<option value="%s"%s>%s</option>', | |
| 40 | $value, | |
| 41 | $value == $current_v? ' selected="selected"':'', | |
| 42 | $label | |
| 43 | ); | |
| 44 | } | |
| 45 | ?> | |
| 46 | </select> | |
| 47 | <?php | |
| 48 | } | |
| 49 | } | |
| 50 | ||
| 51 | ||
| 52 | add_filter( 'parse_query', 'acs_posts_filter' ); | |
| 53 | /** | |
| 54 | * if submitted filter by post meta | |
| 55 | * | |
| 56 | * make sure to change META_KEY to the actual meta key | |
| 57 | * and POST_TYPE to the name of your custom post type | |
| 58 | * @author Ohad Raz | |
| 59 | * @param (wp_query object) $query | |
| 60 | * | |
| 61 | * @return Void | |
| 62 | */ | |
| 63 | function acs_posts_filter( $query ){
| |
| 64 | global $pagenow; | |
| 65 | $type = 'post'; | |
| 66 | if (isset($_GET['post_type'])) {
| |
| 67 | $type = $_GET['post_type']; | |
| 68 | } | |
| 69 | if ( 'contestentry' == $type && is_admin() && $pagenow=='edit.php' && isset($_GET['ADMIN_FILTER_FIELD_VALUE']) && $_GET['ADMIN_FILTER_FIELD_VALUE'] != '') {
| |
| 70 | - | if ( 'POST_TYPE' == $type && is_admin() && $pagenow=='edit.php' && isset($_GET['ADMIN_FILTER_FIELD_VALUE']) && $_GET['ADMIN_FILTER_FIELD_VALUE'] != '') {
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| 70 | + | |
| 71 | $query->query_vars['meta_value'] = $_GET['ADMIN_FILTER_FIELD_VALUE']; | |
| 72 | } | |
| 73 | } |