Find the following code in wp-admin/edit.php :
<?php
if ( current_user_can( $post_type_object->cap->create_posts?)?)?{
????echo?'?<a href="' . esc_url( admin_url( $post_new_file ) ) . '" class="page-title-action">'?.?esc_html(?$post_type_object->labels->add_new?)?.?'</a>';
}
Add the following code to the next line of the above code:
if?($post_type?==?'aaa')?{
????echo?'?<a href="'.esc_url( admin_url('admin-ajax.php?action=export_permanent_csv')).'" class="page-title-action">CSVをエクスポート</a>';
}
$post_type is the type of article obtained from the header of this file.
In wp-content/themes/hcr/functions/admin.php
function?export_permanent_csv()
{
????$args?=?array(
????????????'post_type'?=>?'aaa',
????????????'numberposts'?=>?-1,
????????????'meta_key'?=>?'mark_id',
????????????'orderby'?=>?'meta_value_num',
????????????'order'?=>?'ASC',
????????????);
????$posts?=?get_posts($args);
????if?(empty($posts))?{
????????return;
????}
????$noNumber?=?1;
????foreach?($posts?as?$post)?{
????????$metaData?=?get_post_meta($post->ID);
????????$data?=?[
????????????$metaData['mark_id'][0],
????????????$noNumber,
????????????$post->post_title,
????????????$metaData['prmnnt_address'][0],
????????????$metaData['prmnnt_tel'][0],
????????????$metaData['prmnnt_fax'][0],
????????????$metaData['prmnnt_site'][0],
????????????$metaData['prmnnt_time'][0],
????????????$metaData['prmnnt_closing'][0],
????????????$metaData['prmnnt_service'][0],
????????????$metaData['prmnnt_class'][0],
????????????$post->post_type,
????????];
????????$csv_output?.=?'"'.implode('","',?$data).'"'."\n";
????????$noNumber++;
????}
????$csv_output?.=?"\n";
????$filename?=?$file."_".date("Ymd",?time());
????header("Content-type:?application/vnd.ms-excel");
????header("Content-disposition:?csv"?.?date("Y-m-d")?.?".csv");
????header("Content-disposition:?filename=".$filename.".csv");
????print?$csv_output;
????exit;
}
add_action('wp_ajax_export_permanent_csv',?'export_permanent_csv');
