1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
<?php
if (!defined('WPO_VERSION')) die('No direct access allowed');
/**
* Class WP_Optimization_attachments
*/
class WP_Optimization_attachments extends WP_Optimization {
public $ui_sort_order = 4500;
public $available_for_auto = false;
public $auto_default = false;
/**
* Display or hide optimization in optimizations list.
*
* @return bool
*/
public function display_in_optimizations_list() {
return false;
}
/**
* Do actions after optimize() function.
*/
public function after_optimize() {
$message = sprintf(_n('%s orphaned attachment deleted', '%s orphaned attachments deleted', $this->processed_count, 'wp-optimize'), number_format_i18n($this->processed_count));
if ($this->is_multisite_mode()) {
$message .= ' '.sprintf(_n('across %s site', 'across %s sites', count($this->blogs_ids), 'wp-optimize'), count($this->blogs_ids));
}
$this->logger->info($message);
$this->register_output($message);
}
/**
* Do optimization.
*/
public function optimize() {
$sql = "SELECT p.ID FROM `".$this->wpdb->posts."` p LEFT JOIN `".$this->wpdb->posts."` pp ON pp.ID = p.post_parent WHERE p.post_parent > 0 AND p.post_type = 'attachment' AND pp.ID IS NULL;";
$attachment_ids = $this->wpdb->get_col($sql);
$count_ids = count($attachment_ids);
if ($count_ids > 0) {
foreach ($attachment_ids as $attachment_id) {
wp_delete_attachment($attachment_id, true);
}
}
$this->processed_count += $count_ids;
}
/**
* Do actions after get_info() function.
*/
public function after_get_info() {
if ($this->found_count) {
$message = sprintf(_n('%s orphaned attachment found', '%s orphaned attachments found', $this->found_count, 'wp-optimize'), number_format_i18n($this->found_count));
} else {
$message = __('No orphaned attachments found', 'wp-optimize');
}
if ($this->is_multisite_mode()) {
$message .= ' '.sprintf(_n('across %s site', 'across %s sites', count($this->blogs_ids), 'wp-optimize'), count($this->blogs_ids));
}
$this->register_output($message);
}
/**
* Estimate count of unoptimized items.
*/
public function get_info() {
$sql = "SELECT COUNT(*) FROM `" . $this->wpdb->posts . "` p LEFT JOIN `" . $this->wpdb->posts . "` pp ON pp.ID = p.post_parent WHERE p.post_parent > 0 AND p.post_type = 'attachment' AND pp.ID IS NULL;";
$postmeta = $this->wpdb->get_var($sql);
$this->found_count += $postmeta;
}
/**
* Returns settings label
*
* @return string|void
*/
public function settings_label() {
return __('Remove orphaned attachments', 'wp-optimize');
}
/**
* Return description
* N.B. This is not currently used; it was commented out in 1.9.1
*
* @return string|void
*/
public function get_auto_option_description() {
return __('Remove orphaned attachments', 'wp-optimize');
}
}
|