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<?php
/*
* Upgrade to version 5.0.0
*
* @type upgrade
* @date 20/02/2014
* @since 5.0.0
*
* @param n/a
* @return n/a
*/
// Exit if accessed directly
if( !defined('ABSPATH') ) exit;
// global
global $wpdb;
// migrate field groups
$ofgs = get_posts(array(
'numberposts' => -1,
'post_type' => 'acf',
'orderby' => 'menu_order title',
'order' => 'asc',
'suppress_filters' => true,
));
// populate acfs
if( $ofgs ){ foreach( $ofgs as $ofg ){
// migrate field group
$nfg = _migrate_field_group_500( $ofg );
// get field from postmeta
$rows = $wpdb->get_results( $wpdb->prepare("SELECT * FROM $wpdb->postmeta WHERE post_id = %d AND meta_key LIKE %s", $ofg->ID, 'field_%'), ARRAY_A);
if( $rows )
{
$nfg['fields'] = array();
foreach( $rows as $row )
{
$field = $row['meta_value'];
$field = maybe_unserialize( $field );
$field = maybe_unserialize( $field ); // run again for WPML
// add parent
$field['parent'] = $nfg['ID'];
// migrate field
$field = _migrate_field_500( $field );
}
}
}}
/*
* _migrate_field_group_500
*
* description
*
* @type function
* @date 20/02/2014
* @since 5.0.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function _migrate_field_group_500( $ofg ) {
// global
global $wpdb;
// get post status
$post_status = $ofg->post_status;
// create new field group
$nfg = array(
'ID' => 0,
'title' => $ofg->post_title,
'menu_order' => $ofg->menu_order,
);
// location rules
$groups = array();
// get all rules
$rules = get_post_meta($ofg->ID, 'rule', false);
if( is_array($rules) ) {
$group_no = 0;
foreach( $rules as $rule ) {
// if field group was duplicated, it may now be a serialized string!
$rule = maybe_unserialize($rule);
// does this rule have a group?
// + groups were added in 4.0.4
if( !isset($rule['group_no']) ) {
$rule['group_no'] = $group_no;
// sperate groups?
if( get_post_meta($ofg->ID, 'allorany', true) == 'any' ) {
$group_no++;
}
}
// extract vars
$group = acf_extract_var( $rule, 'group_no' );
$order = acf_extract_var( $rule, 'order_no' );
// add to group
$groups[ $group ][ $order ] = $rule;
// sort rules
ksort( $groups[ $group ] );
}
// sort groups
ksort( $groups );
}
$nfg['location'] = $groups;
// settings
if( $position = get_post_meta($ofg->ID, 'position', true) ) {
$nfg['position'] = $position;
}
if( $layout = get_post_meta($ofg->ID, 'layout', true) ) {
$nfg['layout'] = $layout;
}
if( $hide_on_screen = get_post_meta($ofg->ID, 'hide_on_screen', true) ) {
$nfg['hide_on_screen'] = maybe_unserialize($hide_on_screen);
}
// Note: acf_update_field_group will call the acf_get_valid_field_group function and apply 'compatibility' changes
// add old ID reference
$nfg['old_ID'] = $ofg->ID;
// save field group
$nfg = acf_update_field_group( $nfg );
// trash?
if( $post_status == 'trash' ) {
acf_trash_field_group( $nfg['ID'] );
}
// return
return $nfg;
}
/*
* _migrate_field_500
*
* description
*
* @type function
* @date 20/02/2014
* @since 5.0.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function _migrate_field_500( $field ) {
// orig
$orig = $field;
// order_no is now menu_order
$field['menu_order'] = acf_extract_var( $field, 'order_no' );
// correct very old field keys
if( substr($field['key'], 0, 6) !== 'field_' ) {
$field['key'] = 'field_' . str_replace('field', '', $field['key']);
}
// get valid field
$field = acf_get_valid_field( $field );
// save field
$field = acf_update_field( $field );
// sub fields
if( $field['type'] == 'repeater' ) {
// get sub fields
$sub_fields = acf_extract_var( $orig, 'sub_fields' );
// save sub fields
if( !empty($sub_fields) ) {
$keys = array_keys($sub_fields);
foreach( $keys as $key ) {
$sub_field = acf_extract_var($sub_fields, $key);
$sub_field['parent'] = $field['ID'];
_migrate_field_500( $sub_field );
}
}
} elseif( $field['type'] == 'flexible_content' ) {
// get layouts
$layouts = acf_extract_var( $orig, 'layouts' );
// update layouts
$field['layouts'] = array();
// save sub fields
if( !empty($layouts) ) {
foreach( $layouts as $layout ) {
// vars
$layout_key = uniqid();
// append layotu key
$layout['key'] = $layout_key;
// extract sub fields
$sub_fields = acf_extract_var($layout, 'sub_fields');
// save sub fields
if( !empty($sub_fields) ) {
$keys = array_keys($sub_fields);
foreach( $keys as $key ) {
$sub_field = acf_extract_var($sub_fields, $key);
$sub_field['parent'] = $field['ID'];
$sub_field['parent_layout'] = $layout_key;
_migrate_field_500( $sub_field );
}
// foreach
}
// if
// append layout
$field['layouts'][] = $layout;
}
// foreach
}
// if
// save field again with less sub field data
$field = acf_update_field( $field );
}
// return
return $field;
}
?>