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Creating a “repeater meta-box” without a Plugin in WordPress
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<?php | |
add_action('admin_init', 'gpm_add_meta_boxes', 2); | |
function gpm_add_meta_boxes() { | |
add_meta_box( 'gpminvoice-group', 'Custom Repeatable', 'Repeatable_meta_box_display', 'page', 'normal', 'default'); | |
} | |
function Repeatable_meta_box_display() { | |
global $post; | |
$gpminvoice_group = get_post_meta($post->ID, 'customdata_group', true); | |
wp_nonce_field( 'gpm_repeatable_meta_box_nonce', 'gpm_repeatable_meta_box_nonce' ); | |
?> | |
<script type="text/javascript"> | |
jQuery(document).ready(function( $ ){ | |
$( '#add-row' ).on('click', function() { | |
var row = $( '.empty-row.screen-reader-text' ).clone(true); | |
row.removeClass( 'empty-row screen-reader-text' ); | |
row.insertBefore( '#repeatable-fieldset-one tbody>tr:last' ); | |
return false; | |
}); | |
$( '.remove-row' ).on('click', function() { | |
$(this).parents('tr').remove(); | |
return false; | |
}); | |
}); | |
</script> | |
<table id="repeatable-fieldset-one" width="100%"> | |
<tbody> | |
<?php | |
if ( $gpminvoice_group ) : | |
foreach ( $gpminvoice_group as $field ) { | |
?> | |
<tr> | |
<td width="15%"> | |
<input type="text" placeholder="Title" name="TitleItem[]" value="<?php if($field['TitleItem'] != '') echo esc_attr( $field['TitleItem'] ); ?>" /></td> | |
<td width="70%"> | |
<textarea placeholder="Description" cols="55" rows="5" name="TitleDescription[]"> <?php if ($field['TitleDescription'] != '') echo esc_attr( $field['TitleDescription'] ); ?> </textarea></td> | |
<td width="15%"><a class="button remove-row" href="#1">Remove</a></td> | |
</tr> | |
<?php | |
} | |
else : | |
// show a blank one | |
?> | |
<tr> | |
<td> | |
<input type="text" placeholder="Title" title="Title" name="TitleItem[]" /></td> | |
<td> | |
<textarea placeholder="Description" name="TitleDescription[]" cols="55" rows="5"> </textarea> | |
</td> | |
<td><a class="button cmb-remove-row-button button-disabled" href="#">Remove</a></td> | |
</tr> | |
<?php endif; ?> | |
<!-- empty hidden one for jQuery --> | |
<tr class="empty-row screen-reader-text"> | |
<td> | |
<input type="text" placeholder="Title" name="TitleItem[]"/></td> | |
<td> | |
<textarea placeholder="Description" cols="55" rows="5" name="TitleDescription[]"></textarea> | |
</td> | |
<td><a class="button remove-row" href="#">Remove</a></td> | |
</tr> | |
</tbody> | |
</table> | |
<p><a id="add-row" class="button" href="#">Add another</a></p> | |
<?php | |
} | |
add_action('save_post', 'custom_repeatable_meta_box_save'); | |
function custom_repeatable_meta_box_save($post_id) { | |
if ( ! isset( $_POST['gpm_repeatable_meta_box_nonce'] ) || | |
! wp_verify_nonce( $_POST['gpm_repeatable_meta_box_nonce'], 'gpm_repeatable_meta_box_nonce' ) ) | |
return; | |
if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) | |
return; | |
if (!current_user_can('edit_post', $post_id)) | |
return; | |
$old = get_post_meta($post_id, 'customdata_group', true); | |
$new = array(); | |
$invoiceItems = $_POST['TitleItem']; | |
$prices = $_POST['TitleDescription']; | |
$count = count( $invoiceItems ); | |
for ( $i = 0; $i < $count; $i++ ) { | |
if ( $invoiceItems[$i] != '' ) : | |
$new[$i]['TitleItem'] = stripslashes( strip_tags( $invoiceItems[$i] ) ); | |
$new[$i]['TitleDescription'] = stripslashes( $prices[$i] ); // and however you want to sanitize | |
endif; | |
} | |
if ( !empty( $new ) && $new != $old ) | |
update_post_meta( $post_id, 'customdata_group', $new ); | |
elseif ( empty($new) && $old ) | |
delete_post_meta( $post_id, 'customdata_group', $old ); | |
} |
how to activate this hook to woocommerce product post ?
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thanks bro !
Data is not saved! How to save them as unserials.