Diff: STRATO-apps/wordpress_03/app/wp-admin/includes/revision.php
Keine Baseline-Datei – Diff nur gegen leer.
1
-
1
+
<?php
2
+
/**
3
+
* WordPress Administration Revisions API
4
+
*
5
+
* @package WordPress
6
+
* @subpackage Administration
7
+
* @since 3.6.0
8
+
*/
9
+
10
+
/**
11
+
* Get the revision UI diff.
12
+
*
13
+
* @since 3.6.0
14
+
*
15
+
* @param WP_Post|int $post The post object or post ID.
16
+
* @param int $compare_from The revision ID to compare from.
17
+
* @param int $compare_to The revision ID to come to.
18
+
* @return array|false Associative array of a post's revisioned fields and their diffs.
19
+
* Or, false on failure.
20
+
*/
21
+
function wp_get_revision_ui_diff( $post, $compare_from, $compare_to ) {
22
+
$post = get_post( $post );
23
+
if ( ! $post ) {
24
+
return false;
25
+
}
26
+
27
+
if ( $compare_from ) {
28
+
$compare_from = get_post( $compare_from );
29
+
if ( ! $compare_from ) {
30
+
return false;
31
+
}
32
+
} else {
33
+
// If we're dealing with the first revision...
34
+
$compare_from = false;
35
+
}
36
+
37
+
$compare_to = get_post( $compare_to );
38
+
if ( ! $compare_to ) {
39
+
return false;
40
+
}
41
+
42
+
/*
43
+
* If comparing revisions, make sure we are dealing with the right post parent.
44
+
* The parent post may be a 'revision' when revisions are disabled and we're looking at autosaves.
45
+
*/
46
+
if ( $compare_from && $compare_from->post_parent !== $post->ID && $compare_from->ID !== $post->ID ) {
47
+
return false;
48
+
}
49
+
if ( $compare_to->post_parent !== $post->ID && $compare_to->ID !== $post->ID ) {
50
+
return false;
51
+
}
52
+
53
+
if ( $compare_from && strtotime( $compare_from->post_date_gmt ) > strtotime( $compare_to->post_date_gmt ) ) {
54
+
$temp = $compare_from;
55
+
$compare_from = $compare_to;
56
+
$compare_to = $temp;
57
+
}
58
+
59
+
// Add default title if title field is empty.
60
+
if ( $compare_from && empty( $compare_from->post_title ) ) {
61
+
$compare_from->post_title = __( '(no title)' );
62
+
}
63
+
if ( empty( $compare_to->post_title ) ) {
64
+
$compare_to->post_title = __( '(no title)' );
65
+
}
66
+
67
+
$return = array();
68
+
69
+
foreach ( _wp_post_revision_fields( $post ) as $field => $name ) {
70
+
/**
71
+
* Contextually filter a post revision field.
72
+
*
73
+
* The dynamic portion of the hook name, `$field`, corresponds to a name of a
74
+
* field of the revision object.
75
+
*
76
+
* Possible hook names include:
77
+
*
78
+
* - `_wp_post_revision_field_post_title`
79
+
* - `_wp_post_revision_field_post_content`
80
+
* - `_wp_post_revision_field_post_excerpt`
81
+
*
82
+
* @since 3.6.0
83
+
*
84
+
* @param string $revision_field The current revision field to compare to or from.
85
+
* @param string $field The current revision field.
86
+
* @param WP_Post $compare_from The revision post object to compare to or from.
87
+
* @param string $context The context of whether the current revision is the old
88
+
* or the new one. Either 'to' or 'from'.
89
+
*/
90
+
$content_from = $compare_from ? apply_filters( "_wp_post_revision_field_{$field}", $compare_from->$field, $field, $compare_from, 'from' ) : '';
91
+
92
+
/** This filter is documented in wp-admin/includes/revision.php */
93
+
$content_to = apply_filters( "_wp_post_revision_field_{$field}", $compare_to->$field, $field, $compare_to, 'to' );
94
+
95
+
$args = array(
96
+
'show_split_view' => true,
97
+
'title_left' => __( 'Removed' ),
98
+
'title_right' => __( 'Added' ),
99
+
);
100
+
101
+
/**
102
+
* Filters revisions text diff options.
103
+
*
104
+
* Filters the options passed to wp_text_diff() when viewing a post revision.
105
+
*
106
+
* @since 4.1.0
107
+
*
108
+
* @param array $args {
109
+
* Associative array of options to pass to wp_text_diff().
110
+
*
111
+
* @type bool $show_split_view True for split view (two columns), false for
112
+
* un-split view (single column). Default true.
113
+
* }
114
+
* @param string $field The current revision field.
115
+
* @param WP_Post $compare_from The revision post to compare from.
116
+
* @param WP_Post $compare_to The revision post to compare to.
117
+
*/
118
+
$args = apply_filters( 'revision_text_diff_options', $args, $field, $compare_from, $compare_to );
119
+
120
+
$diff = wp_text_diff( $content_from, $content_to, $args );
121
+
122
+
if ( ! $diff && 'post_title' === $field ) {
123
+
/*
124
+
* It's a better user experience to still show the Title, even if it didn't change.
125
+
* No, you didn't see this.
126
+
*/
127
+
$diff = '<table class="diff"><colgroup><col class="content diffsplit left"><col class="content diffsplit middle"><col class="content diffsplit right"></colgroup><tbody><tr>';
128
+
129
+
// In split screen mode, show the title before/after side by side.
130
+
if ( true === $args['show_split_view'] ) {
131
+
$diff .= '<td>' . esc_html( $compare_from->post_title ) . '</td><td></td><td>' . esc_html( $compare_to->post_title ) . '</td>';
132
+
} else {
133
+
$diff .= '<td>' . esc_html( $compare_from->post_title ) . '</td>';
134
+
135
+
// In single column mode, only show the title once if unchanged.
136
+
if ( $compare_from->post_title !== $compare_to->post_title ) {
137
+
$diff .= '</tr><tr><td>' . esc_html( $compare_to->post_title ) . '</td>';
138
+
}
139
+
}
140
+
141
+
$diff .= '</tr></tbody>';
142
+
$diff .= '</table>';
143
+
}
144
+
145
+
if ( $diff ) {
146
+
$return[] = array(
147
+
'id' => $field,
148
+
'name' => $name,
149
+
'diff' => $diff,
150
+
);
151
+
}
152
+
}
153
+
154
+
/**
155
+
* Filters the fields displayed in the post revision diff UI.
156
+
*
157
+
* @since 4.1.0
158
+
*
159
+
* @param array[] $return Array of revision UI fields. Each item is an array of id, name, and diff.
160
+
* @param WP_Post $compare_from The revision post to compare from.
161
+
* @param WP_Post $compare_to The revision post to compare to.
162
+
*/
163
+
return apply_filters( 'wp_get_revision_ui_diff', $return, $compare_from, $compare_to );
164
+
}
165
+
166
+
/**
167
+
* Prepare revisions for JavaScript.
168
+
*
169
+
* @since 3.6.0
170
+
*
171
+
* @param WP_Post|int $post The post object or post ID.
172
+
* @param int $selected_revision_id The selected revision ID.
173
+
* @param int $from Optional. The revision ID to compare from.
174
+
* @return array An associative array of revision data and related settings.
175
+
*/
176
+
function wp_prepare_revisions_for_js( $post, $selected_revision_id, $from = null ) {
177
+
$post = get_post( $post );
178
+
$authors = array();
179
+
$now_gmt = time();
180
+
181
+
$revisions = wp_get_post_revisions(
182
+
$post->ID,
183
+
array(
184
+
'order' => 'ASC',
185
+
'check_enabled' => false,
186
+
)
187
+
);
188
+
// If revisions are disabled, we only want autosaves and the current post.
189
+
if ( ! wp_revisions_enabled( $post ) ) {
190
+
foreach ( $revisions as $revision_id => $revision ) {
191
+
if ( ! wp_is_post_autosave( $revision ) ) {
192
+
unset( $revisions[ $revision_id ] );
193
+
}
194
+
}
195
+
$revisions = array( $post->ID => $post ) + $revisions;
196
+
}
197
+
198
+
$show_avatars = get_option( 'show_avatars' );
199
+
200
+
update_post_author_caches( $revisions );
201
+
202
+
$can_restore = current_user_can( 'edit_post', $post->ID );
203
+
$current_id = false;
204
+
205
+
foreach ( $revisions as $revision ) {
206
+
$modified = strtotime( $revision->post_modified );
207
+
$modified_gmt = strtotime( $revision->post_modified_gmt . ' +0000' );
208
+
if ( $can_restore ) {
209
+
$restore_link = str_replace(
210
+
'&',
211
+
'&',
212
+
wp_nonce_url(
213
+
add_query_arg(
214
+
array(
215
+
'revision' => $revision->ID,
216
+
'action' => 'restore',
217
+
),
218
+
admin_url( 'revision.php' )
219
+
),
220
+
"restore-post_{$revision->ID}"
221
+
)
222
+
);
223
+
}
224
+
225
+
if ( ! isset( $authors[ $revision->post_author ] ) ) {
226
+
$authors[ $revision->post_author ] = array(
227
+
'id' => (int) $revision->post_author,
228
+
'avatar' => $show_avatars ? get_avatar( $revision->post_author, 32 ) : '',
229
+
'name' => get_the_author_meta( 'display_name', $revision->post_author ),
230
+
);
231
+
}
232
+
233
+
$autosave = (bool) wp_is_post_autosave( $revision );
234
+
$current = ! $autosave && $revision->post_modified_gmt === $post->post_modified_gmt;
235
+
if ( $current && ! empty( $current_id ) ) {
236
+
// If multiple revisions have the same post_modified_gmt, highest ID is current.
237
+
if ( $current_id < $revision->ID ) {
238
+
$revisions[ $current_id ]['current'] = false;
239
+
$current_id = $revision->ID;
240
+
} else {
241
+
$current = false;
242
+
}
243
+
} elseif ( $current ) {
244
+
$current_id = $revision->ID;
245
+
}
246
+
247
+
$revisions_data = array(
248
+
'id' => $revision->ID,
249
+
'title' => get_the_title( $post->ID ),
250
+
'author' => $authors[ $revision->post_author ],
251
+
'date' => date_i18n( __( 'M j, Y @ H:i' ), $modified ),
252
+
'dateShort' => date_i18n( _x( 'j M Y @ H:i', 'revision date short format' ), $modified ),
253
+
/* translators: %s: Human-readable time difference. */
254
+
'timeAgo' => sprintf( __( '%s ago' ), human_time_diff( $modified_gmt, $now_gmt ) ),
255
+
'autosave' => $autosave,
256
+
'current' => $current,
257
+
'restoreUrl' => $can_restore ? $restore_link : false,
258
+
);
259
+
260
+
/**
261
+
* Filters the array of revisions used on the revisions screen.
262
+
*
263
+
* @since 4.4.0
264
+
*
265
+
* @param array $revisions_data {
266
+
* The bootstrapped data for the revisions screen.
267
+
*
268
+
* @type int $id Revision ID.
269
+
* @type string $title Title for the revision's parent WP_Post object.
270
+
* @type int $author Revision post author ID.
271
+
* @type string $date Date the revision was modified.
272
+
* @type string $dateShort Short-form version of the date the revision was modified.
273
+
* @type string $timeAgo GMT-aware amount of time ago the revision was modified.
274
+
* @type bool $autosave Whether the revision is an autosave.
275
+
* @type bool $current Whether the revision is both not an autosave and the post
276
+
* modified date matches the revision modified date (GMT-aware).
277
+
* @type bool|false $restoreUrl URL if the revision can be restored, false otherwise.
278
+
* }
279
+
* @param WP_Post $revision The revision's WP_Post object.
280
+
* @param WP_Post $post The revision's parent WP_Post object.
281
+
*/
282
+
$revisions[ $revision->ID ] = apply_filters( 'wp_prepare_revision_for_js', $revisions_data, $revision, $post );
283
+
}
284
+
285
+
/*
286
+
* If we only have one revision, the initial revision is missing. This happens
287
+
* when we have an autosave and the user has clicked 'View the Autosave'.
288
+
*/
289
+
if ( 1 === count( $revisions ) ) {
290
+
$revisions[ $post->ID ] = array(
291
+
'id' => $post->ID,
292
+
'title' => get_the_title( $post->ID ),
293
+
'author' => $authors[ $revision->post_author ],
294
+
'date' => date_i18n( __( 'M j, Y @ H:i' ), strtotime( $post->post_modified ) ),
295
+
'dateShort' => date_i18n( _x( 'j M @ H:i', 'revision date short format' ), strtotime( $post->post_modified ) ),
296
+
/* translators: %s: Human-readable time difference. */
297
+
'timeAgo' => sprintf( __( '%s ago' ), human_time_diff( strtotime( $post->post_modified_gmt ), $now_gmt ) ),
298
+
'autosave' => false,
299
+
'current' => true,
300
+
'restoreUrl' => false,
301
+
);
302
+
$current_id = $post->ID;
303
+
}
304
+
305
+
/*
306
+
* If a post has been saved since the latest revision (no revisioned fields
307
+
* were changed), we may not have a "current" revision. Mark the latest
308
+
* revision as "current".
309
+
*/
310
+
if ( empty( $current_id ) ) {
311
+
if ( $revisions[ $revision->ID ]['autosave'] ) {
312
+
$revision = end( $revisions );
313
+
while ( $revision['autosave'] ) {
314
+
$revision = prev( $revisions );
315
+
}
316
+
$current_id = $revision['id'];
317
+
} else {
318
+
$current_id = $revision->ID;
319
+
}
320
+
$revisions[ $current_id ]['current'] = true;
321
+
}
322
+
323
+
// Now, grab the initial diff.
324
+
$compare_two_mode = is_numeric( $from );
325
+
if ( ! $compare_two_mode ) {
326
+
$found = array_search( $selected_revision_id, array_keys( $revisions ), true );
327
+
if ( $found ) {
328
+
$from = array_keys( array_slice( $revisions, $found - 1, 1, true ) );
329
+
$from = reset( $from );
330
+
} else {
331
+
$from = 0;
332
+
}
333
+
}
334
+
335
+
$from = absint( $from );
336
+
337
+
$diffs = array(
338
+
array(
339
+
'id' => $from . ':' . $selected_revision_id,
340
+
'fields' => wp_get_revision_ui_diff( $post->ID, $from, $selected_revision_id ),
341
+
),
342
+
);
343
+
344
+
return array(
345
+
'postId' => $post->ID,
346
+
'nonce' => wp_create_nonce( 'revisions-ajax-nonce' ),
347
+
'revisionData' => array_values( $revisions ),
348
+
'to' => $selected_revision_id,
349
+
'from' => $from,
350
+
'diffData' => $diffs,
351
+
'baseUrl' => parse_url( admin_url( 'revision.php' ), PHP_URL_PATH ),
352
+
'compareTwoMode' => absint( $compare_two_mode ), // Apparently booleans are not allowed.
353
+
'revisionIds' => array_keys( $revisions ),
354
+
);
355
+
}
356
+
357
+
/**
358
+
* Print JavaScript templates required for the revisions experience.
359
+
*
360
+
* @since 4.1.0
361
+
*
362
+
* @global WP_Post $post Global post object.
363
+
*/
364
+
function wp_print_revision_templates() {
365
+
global $post;
366
+
?><script id="tmpl-revisions-frame" type="text/html">
367
+
<div class="revisions-control-frame"></div>
368
+
<div class="revisions-diff-frame"></div>
369
+
</script>
370
+
371
+
<script id="tmpl-revisions-buttons" type="text/html">
372
+
<div class="revisions-previous">
373
+
<input class="button" type="button" value="<?php echo esc_attr_x( 'Previous', 'Button label for a previous revision' ); ?>" />
374
+
</div>
375
+
376
+
<div class="revisions-next">
377
+
<input class="button" type="button" value="<?php echo esc_attr_x( 'Next', 'Button label for a next revision' ); ?>" />
378
+
</div>
379
+
</script>
380
+
381
+
<script id="tmpl-revisions-slider-hidden-help" type="text/html">
382
+
<h2 class="screen-reader-text"><?php esc_html_e( 'Select a revision' ); ?></h2>
383
+
<p id="revisions-slider-hidden-help" hidden><?php esc_html_e( 'Change revision by using the left and right arrow keys' ); ?></p>
384
+
</script>
385
+
386
+
<script id="tmpl-revisions-checkbox" type="text/html">
387
+
<div class="revision-toggle-compare-mode">
388
+
<label>
389
+
<input type="checkbox" class="compare-two-revisions"
390
+
<#
391
+
if ( 'undefined' !== typeof data && data.model.attributes.compareTwoMode ) {
392
+
#> checked="checked"<#
393
+
}
394
+
#>
395
+
/>
396
+
<?php esc_html_e( 'Compare any two revisions' ); ?>
397
+
</label>
398
+
</div>
399
+
</script>
400
+
401
+
<script id="tmpl-revisions-meta" type="text/html">
402
+
<# if ( ! _.isUndefined( data.attributes ) ) { #>
403
+
<div class="diff-title">
404
+
<# if ( 'from' === data.type ) { #>
405
+
<strong id="diff-title-from"><?php _ex( 'From:', 'Followed by post revision info' ); ?></strong>
406
+
<# } else if ( 'to' === data.type ) { #>
407
+
<strong id="diff-title-to"><?php _ex( 'To:', 'Followed by post revision info' ); ?></strong>
408
+
<# } #>
409
+
<div class="author-card<# if ( data.attributes.autosave ) { #> autosave<# } #>">
410
+
<div>
411
+
{{{ data.attributes.author.avatar }}}
412
+
<div class="author-info" id="diff-title-author">
413
+
<# if ( data.attributes.autosave ) { #>
414
+
<span class="byline">
415
+
<?php
416
+
printf(
417
+
/* translators: %s: User's display name. */
418
+
__( 'Autosave by %s' ),
419
+
'<span class="author-name">{{ data.attributes.author.name }}</span>'
420
+
);
421
+
?>
422
+
</span>
423
+
<# } else if ( data.attributes.current ) { #>
424
+
<span class="byline">
425
+
<?php
426
+
printf(
427
+
/* translators: %s: User's display name. */
428
+
__( 'Current Revision by %s' ),
429
+
'<span class="author-name">{{ data.attributes.author.name }}</span>'
430
+
);
431
+
?>
432
+
</span>
433
+
<# } else { #>
434
+
<span class="byline">
435
+
<?php
436
+
printf(
437
+
/* translators: %s: User's display name. */
438
+
__( 'Revision by %s' ),
439
+
'<span class="author-name">{{ data.attributes.author.name }}</span>'
440
+
);
441
+
?>
442
+
</span>
443
+
<# } #>
444
+
<span class="time-ago">{{ data.attributes.timeAgo }}</span>
445
+
<span class="date">({{ data.attributes.dateShort }})</span>
446
+
</div>
447
+
</div>
448
+
<# if ( 'to' === data.type && data.attributes.restoreUrl ) { #>
449
+
<input <?php if ( wp_check_post_lock( $post->ID ) ) { ?>
450
+
disabled="disabled"
451
+
<?php } else { ?>
452
+
<# if ( data.attributes.current ) { #>
453
+
disabled="disabled"
454
+
<# } #>
455
+
<?php } ?>
456
+
<# if ( data.attributes.autosave ) { #>
457
+
type="button" class="restore-revision button button-primary" value="<?php esc_attr_e( 'Restore This Autosave' ); ?>" />
458
+
<# } else { #>
459
+
type="button" class="restore-revision button button-primary" value="<?php esc_attr_e( 'Restore This Revision' ); ?>" />
460
+
<# } #>
461
+
<# } #>
462
+
</div>
463
+
<# if ( 'tooltip' === data.type ) { #>
464
+
<div class="revisions-tooltip-arrow"><span></span></div>
465
+
<# } #>
466
+
<# } #>
467
+
</script>
468
+
469
+
<script id="tmpl-revisions-diff" type="text/html">
470
+
<div class="loading-indicator"><span class="spinner"></span></div>
471
+
<div class="diff-error"><?php _e( 'An error occurred while loading the comparison. Please refresh the page and try again.' ); ?></div>
472
+
<div class="diff">
473
+
<# _.each( data.fields, function( field ) { #>
474
+
<h2>{{ field.name }}</h2>
475
+
{{{ field.diff }}}
476
+
<# }); #>
477
+
</div>
478
+
</script>
479
+
<?php
480
+
}
481
+