How to Add New Custom Fields On Taxonomy/Category Page Using Hooks: WordPress

Hello Friends! In admin if you want to add a new "Custom Fields" on taxonomy/category page without any changes in wordpress core files then don't worry :) , you can add your new custom field using hooks. Just add given code in your theme function file.

/**
 * Add extra fields to custom taxonomy edit and add form callback functions
 */
// Edit taxonomy page
function extra_edit_tax_fields($tag) {
 // Check for existing taxonomy meta for term ID.
 $t_id = $tag->term_id;
 $term_meta = get_option( "taxonomy_$t_id" ); ?>
 <tr class="form-field">
 <th scope="row" valign="top"><label for="cat_Image_url"><?php _e( 'Category Image URL' ); ?></label></th>
 <td>
 <input type="text" name="term_meta[img]" id="term_meta[img]" value="<?php echo esc_attr( $term_meta['img'] ) ? esc_attr( $term_meta['img'] ) : ''; ?>">
 <p class="description"><?php _e( 'Enter the full URL to the image used for this category.' ); ?></p>
 </td>
 </tr>
<?php
}
add_action( 'category_edit_form_fields', 'extra_edit_tax_fields', 10, 2 );
// Add taxonomy page
function extra_add_tax_fields( $tag ) {
 // Check for existing taxonomy meta for term ID.
 $t_id = $tag->term_id;
 $term_meta = get_option( "taxonomy_$t_id" ); ?>
 

 ">
 

 
<?php
}
add_action( 'category_add_form_fields', 'extra_add_tax_fields', 10, 2 );

/*  Save the custom field value into database */

function save_extra_taxonomy_fields( $term_id ) {
 if ( isset( $_POST['term_meta'] ) ) {
 $t_id = $term_id;
 $term_meta = get_option( "taxonomy_$t_id" );
 $cat_keys = array_keys( $_POST['term_meta'] );
 foreach ( $cat_keys as $key ) {
 if ( isset ( $_POST['term_meta'][$key] ) ) {
 $term_meta[$key] = $_POST['term_meta'][$key];
 }
 }
 // Save the option array.
 update_option( "taxonomy_$t_id", $term_meta );
 }
}
add_action( 'edited_category', 'save_extra_taxonomy_fields', 10, 2 );
add_action( 'create_category', 'save_extra_taxonomy_fields', 10, 2 );
//For retrieve the value in front-end

$newterm_id='put here term id';
$term_meta = get_option( "taxonomy_term_$newterm_id" ); // Do the check  
echo "<b>Custom Field Value:</b> ".$term_meta['custom_catsortby'];

That's All :) Enjoy Code! || Raghunath Blog