custom post ajuts added filter for $_GET and function for filter form
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<?php
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/**
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* Function to display the front end checkboxes for the ajut filter
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*
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* references:
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* basic start
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* https://www.advancedcustomfields.com/resources/creating-wp-archive-custom-field-filter/
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*
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* wordpress full form example
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* https://wordpress.stackexchange.com/questions/383599/form-checkbox-value-going-to-dynamic-url
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*
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* checkbox adaptation query
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* https://wordpress.stackexchange.com/a/102915
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*
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* form GET and POST
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* https://www.formget.com/php-checkbox/
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*
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* @package Oficina_de_Suport_theme
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*/
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?>
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<?php
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if( ! function_exists( 'ofisuport_ajuts_filters_form' ) ):
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function ofisuport_ajuts_filters_form() {
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?>
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<div id="archive-filters" class="ofisuport-filters">
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<?php
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// output all possible values of a checkbox
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$groupkey = "group_63ab636898703"; // write here the key for the group of fields from acf
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if( $groupkey ) {
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?>
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<?php // start the form ?>
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<form id="form-ajuts" name="search-ajuts">
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<?php
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$groupkey_fields = acf_get_fields($groupkey);
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foreach( $groupkey_fields as $field_key ) {
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if( $field_key['type'] == 'checkbox' ){
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// https://wordpress.stackexchange.com/a/102915
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$fields = get_field_object($field_key['key']);
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if( $fields ) {
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// check for values from meta fields db in url
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foreach( $GLOBALS['my_query_filters'] as $key => $fieldname ) {
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// check for values in url and get value if available
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if( isset($_GET[ $fieldname ]) ) {
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$filteredvalues['value'] = explode(',', $_GET[ $fieldname ]);
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//$filteredvalues['value'] = ($_GET[ $fieldname ]);
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};
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//end check for values in url
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// construct the checkboxes
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if( $fieldname == $fields['name']) {
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?>
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<section id="fund-filter-<?php echo $fields['name']; ?>" class="<?php echo $fields['name']; ?>">
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<h5><?php echo $fields['label'];?></h5>
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<?php foreach( $fields['choices'] as $choicevalue => $choicelabel ) { ?>
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<div class="filter" data-filter="<?php echo $fields['name'];?>">
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<input
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class="ofisuport-filter"
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type="checkbox"
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<?php if( in_array($choicevalue,$filteredvalues['value']) ) { echo 'checked';}; ?>
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value="<?php echo $choicevalue ?>"
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name="<?php echo $fields['name'];?>" />
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<label for="<?php echo $choicevalue; ?>"><?php echo $choicelabel;?></label>
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</div>
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<?php };//end foreach fields['choices'] ?>
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</section>
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<?php }; //end if fieldname == fields['name'] ?>
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<?php // end of construct checkboxes ?>
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<?php }; // end check for values from meta fields db in url ?>
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<?php }; //end if field_key['key'] ?>
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<?php }; //end if type checkbox ?>
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<?php }; //end foreach groupkey field ?>
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<p><b>Results:</b> <span id="results"></span></p>
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<button type="submit" class="button-more">enviar</button>
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</form>
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<?php //close the form and subit ?>
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<?php }; //end if groupkey ?>
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</div>
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<script type="text/javascript">
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//https://wordpress.stackexchange.com/questions/383599/form-checkbox-value-going-to-dynamic-url
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// sample form on submiit
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//
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(function($){
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$('#form-ajuts').on('submit', function(e) {
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// prevent default
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e.preventDefault();
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// set empty submission object
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let submission = {};
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// for each of this form submit event target object entries as key/field
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for (const [key, field] of Object.entries(e.target)) {
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// if object entry (field) has a name attribute
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if (field.name) {
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// if field type is
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if (field.type === 'checkbox') {
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// set field name as array
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submission[field.name] = [];
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// if checkbox is checked
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if (field.checked) {
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// add name/value to submission object
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submission[field.name].push(field.value);
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}
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} else if (field.value) {
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// add name/value to submission object
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submission[field.name] = field.value;
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}
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}
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}
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// now let loop through our submission and check for arrays
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for (const [name, value] of Object.entries(submission)) {
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// if submission value is array
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//if (Array.isArray(value)) {
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// let convert array to string
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//submission[name] = value.join(',');
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//}
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}
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// convert submission object to url safe params string
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let submission_url_params = $.param(submission);
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// if we have submission params
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if(submission_url_params) {
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// success actions
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// create our submission action url
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let submission_url_action = this.action + (submission_url_params ? '?' + submission_url_params : '');
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// un-comment this to actually fire the form submission
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window.location.href = submission_url_action;
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// else no submission params
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} else {
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// no submission data actions
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}
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});
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});
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</script>
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<?php
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}; //end ofisuport_display_filters()
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endif; // end if ! functionexists
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?>
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@ -1,6 +1,15 @@
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<?php
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/**
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* Makes a filter for the custom post type ajut and its custom fields
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*
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* references:
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* basic start
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* https://www.advancedcustomfields.com/resources/creating-wp-archive-custom-field-filter/
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*
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* checkbox adaptation query filter
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* https://barn2.com/blog/querying-posts-by-custom-field-acf/#array-based-fields
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*
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* @package Oficina_de_Suport_theme
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*/
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// define the filter fields
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@ -69,3 +69,4 @@ include( OFISUPORT_WPPLUGIN_PATH . 'includes/custom-post-type-ajuts.php');
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include( OFISUPORT_WPPLUGIN_PATH . 'includes/custom-field-ajuts-filter.php');
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include( OFISUPORT_WPPLUGIN_PATH . 'includes/custom-field-ajuts-filter-function-frontend.php');
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