| 1 |
<?php |
| 2 |
/** |
| 3 |
* Where we do the searching and replacing. |
| 4 |
* |
| 5 |
* @package Search_Replace_WPCode |
| 6 |
*/ |
| 7 |
|
| 8 |
if ( ! defined( 'ABSPATH' ) ) { |
| 9 |
exit; |
| 10 |
} |
| 11 |
|
| 12 |
/** |
| 13 |
* Class WSRW_Search_Replace |
| 14 |
*/ |
| 15 |
class WSRW_Search_Replace { |
| 16 |
|
| 17 |
/** |
| 18 |
* The number of rows to process at a time. |
| 19 |
* |
| 20 |
* @var int |
| 21 |
*/ |
| 22 |
public $page_size = 1000; |
| 23 |
|
| 24 |
/** |
| 25 |
* The process data. |
| 26 |
* |
| 27 |
* @var array |
| 28 |
*/ |
| 29 |
public $process; |
| 30 |
|
| 31 |
/** |
| 32 |
* WSRW_Search_Replace constructor. |
| 33 |
*/ |
| 34 |
public function __construct() { |
| 35 |
$this->ajax_hooks(); |
| 36 |
} |
| 37 |
|
| 38 |
/** |
| 39 |
* Add the ajax hooks. |
| 40 |
* |
| 41 |
* @return void |
| 42 |
*/ |
| 43 |
public function ajax_hooks() { |
| 44 |
add_action( 'wp_ajax_wsrw_start_search_replace', array( $this, 'ajax_prepare_search_replace' ) ); |
| 45 |
add_action( 'wp_ajax_wsrw_do_search_replace', array( $this, 'ajax_do_search_replace' ) ); |
| 46 |
} |
| 47 |
|
| 48 |
/** |
| 49 |
* The callback for the ajax endpoint to start the search & replace process. |
| 50 |
* |
| 51 |
* @return void |
| 52 |
*/ |
| 53 |
public function ajax_prepare_search_replace() { |
| 54 |
check_admin_referer( 'wsrw_admin', 'nonce' ); |
| 55 |
|
| 56 |
if ( ! current_user_can( 'manage_options' ) ) { |
| 57 |
wp_send_json_error( __( 'You do not have permission to do this.', 'search-replace-wpcode' ) ); |
| 58 |
} |
| 59 |
|
| 60 |
$search = isset( $_POST['search'] ) ? sanitize_text_field( wp_unslash( $_POST['search'] ) ) : ''; |
| 61 |
$replace = isset( $_POST['replace'] ) ? sanitize_text_field( wp_unslash( $_POST['replace'] ) ) : ''; |
| 62 |
$dry_run = ! isset( $_POST['dry_run'] ) || boolval( $_POST['dry_run'] ); |
| 63 |
$case_insensitive = isset( $_POST['case_insensitive'] ); |
| 64 |
|
| 65 |
if ( empty( $search ) ) { |
| 66 |
wp_send_json_error( __( 'Please enter a search term.', 'search-replace-wpcode' ) ); |
| 67 |
} |
| 68 |
|
| 69 |
$tables = isset( $_POST['tables'] ) ? array_map( 'sanitize_text_field', wp_unslash( $_POST['tables'] ) ) : array(); |
| 70 |
|
| 71 |
$tables = $this->validate_tables( $tables ); |
| 72 |
|
| 73 |
global $wpdb; |
| 74 |
|
| 75 |
if ( in_array( $wpdb->options, $tables ) ) { |
| 76 |
$tables = array_diff( $tables, array( $wpdb->options ) ); |
| 77 |
$tables = array_values( $tables ); |
| 78 |
$tables[] = $wpdb->options; |
| 79 |
} |
| 80 |
|
| 81 |
$response = array( |
| 82 |
'search' => $search, |
| 83 |
'replace' => $replace, |
| 84 |
'pages' => $this->get_all_pages( $tables ), |
| 85 |
'tables' => $tables, |
| 86 |
'page' => 0, |
| 87 |
'table' => 0, |
| 88 |
'table_page' => 0, |
| 89 |
'dry_run' => $dry_run, |
| 90 |
'case_insensitive' => $case_insensitive, |
| 91 |
); |
| 92 |
|
| 93 |
if ( isset( $_POST['checked_items'] ) ) { |
| 94 |
$response['checked_items'] = json_decode( sanitize_text_field( wp_unslash( $_POST['checked_items'] ) ), true ); |
| 95 |
} |
| 96 |
|
| 97 |
update_option( 'wsrw_process', $response, false ); |
| 98 |
|
| 99 |
do_action( 'wsrw_start_search_replace', $response ); |
| 100 |
|
| 101 |
wp_send_json_success( $response ); |
| 102 |
} |
| 103 |
|
| 104 |
/** |
| 105 |
* Get the process data. |
| 106 |
* |
| 107 |
* @return array |
| 108 |
*/ |
| 109 |
public function get_process() { |
| 110 |
if ( ! isset( $this->process ) ) { |
| 111 |
$this->process = get_option( 'wsrw_process', array() ); |
| 112 |
} |
| 113 |
|
| 114 |
return $this->process; |
| 115 |
} |
| 116 |
|
| 117 |
/** |
| 118 |
* Highlight the search results. |
| 119 |
* |
| 120 |
* @param string $needle The search term. |
| 121 |
* @param string $haystack The content to search in. |
| 122 |
* @param string $color The color of the highlight. |
| 123 |
* @param array $positions The positions of the search term. |
| 124 |
* @param string $replaced_string The string that was replaced. |
| 125 |
* @param bool $case_insensitive Whether the search is case insensitive. |
| 126 |
* |
| 127 |
* @return array |
| 128 |
*/ |
| 129 |
public function highlight_results( $needle, $haystack, $color = 'yellow', $positions = array(), $replaced_string = '', $case_insensitive = false ) { |
| 130 |
|
| 131 |
$offset = 0; |
| 132 |
$string_offset = 0; |
| 133 |
$search = $case_insensitive ? 'stripos' : 'strpos'; |
| 134 |
if ( empty( $positions ) ) { |
| 135 |
$positions = array(); |
| 136 |
|
| 137 |
$pos = $search( $haystack, $needle, $offset ); |
| 138 |
while ( false !== $pos ) { |
| 139 |
// Let's make sure we get the correct position here. |
| 140 |
$positions[] = $pos; |
| 141 |
$offset = $pos + 1; |
| 142 |
$pos = $search( $haystack, $needle, $offset ); |
| 143 |
} |
| 144 |
} else { |
| 145 |
$string_offset = strlen( $replaced_string ) - strlen( $needle ); |
| 146 |
} |
| 147 |
|
| 148 |
$trimmed_contents = array(); |
| 149 |
foreach ( $positions as $i => $pos ) { |
| 150 |
$pos = $pos - $string_offset * ( $i ); |
| 151 |
$start = max( 0, $pos - 50 ); // 50 characters before |
| 152 |
$length = strlen( $needle ) + 100; // The replace string and 50 characters after. |
| 153 |
$trimmed = substr( $haystack, $start, $length ); |
| 154 |
$actual_length = $pos - $start; |
| 155 |
$actual_end = $length - $actual_length - strlen( $needle ); |
| 156 |
// Let's add the highlight span. |
| 157 |
$trimmed = substr_replace( $trimmed, '<span class="wsrw-highlight wsrw-highlight-' . $color . '">', $actual_length, 0 ); |
| 158 |
$trimmed = substr_replace( $trimmed, '</span>', - $actual_end, 0 ); |
| 159 |
$trimmed_contents[] = $trimmed; |
| 160 |
} |
| 161 |
|
| 162 |
$haystack = implode( '... ...', $trimmed_contents ); |
| 163 |
|
| 164 |
return array( |
| 165 |
'positions' => $positions, |
| 166 |
'highlighted' => $haystack, |
| 167 |
); |
| 168 |
} |
| 169 |
|
| 170 |
|
| 171 |
/** |
| 172 |
* The callback for the ajax endpoint to do the search & replace process. |
| 173 |
* |
| 174 |
* @return void |
| 175 |
*/ |
| 176 |
public function ajax_do_search_replace() { |
| 177 |
check_admin_referer( 'wsrw_admin', 'nonce' ); |
| 178 |
|
| 179 |
if ( ! current_user_can( 'manage_options' ) ) { |
| 180 |
wp_send_json_error( __( 'You do not have permission to do this.', 'search-replace-wpcode' ) ); |
| 181 |
} |
| 182 |
|
| 183 |
// Let's see if we have the process data saved. |
| 184 |
$process = $this->get_process(); |
| 185 |
|
| 186 |
// If we don't have any process data, we can't do anything. |
| 187 |
if ( empty( $process ) ) { |
| 188 |
wp_send_json_error( __( 'No process data found.', 'search-replace-wpcode' ) ); |
| 189 |
} |
| 190 |
|
| 191 |
$table = $process['table']; |
| 192 |
$table_name = $process['tables'][ $table ]; |
| 193 |
// Escape the table name since we support WordPress versions that don't have the %i placeholder added in WP 6.2. |
| 194 |
$table_name = esc_sql( $table_name ); |
| 195 |
|
| 196 |
// Let's get the page we are currently on. |
| 197 |
$table_page = $process['table_page']; |
| 198 |
|
| 199 |
global $wpdb; |
| 200 |
|
| 201 |
$page_size = $this->get_page_size(); |
| 202 |
$offset = $page_size * $table_page; |
| 203 |
|
| 204 |
// Let's get all the rows in the table with a limit from $this->get_page_size() and the offset from the current page. |
| 205 |
$rows = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $table_name LIMIT %d, %d", $offset, $page_size ) ); // phpcs:ignore |
| 206 |
|
| 207 |
$columns_data = self::get_table_columns( $table_name ); |
| 208 |
$columns = $columns_data['columns']; |
| 209 |
$primary_key = $columns_data['primary_key']; |
| 210 |
|
| 211 |
$updated_data = array(); |
| 212 |
|
| 213 |
foreach ( $rows as $row ) { |
| 214 |
$where_clause = array(); |
| 215 |
$update_clause = array(); |
| 216 |
|
| 217 |
if ( isset( $row->option_name ) && 'siteurl' === $row->option_name ) { |
| 218 |
continue; |
| 219 |
} |
| 220 |
|
| 221 |
foreach ( $columns as $column ) { |
| 222 |
$content = $row->$column; |
| 223 |
|
| 224 |
if ( $table_name === $wpdb->options ) { |
| 225 |
if ( isset( $skip ) && true === $skip ) { |
| 226 |
$skip = false; |
| 227 |
continue; |
| 228 |
} |
| 229 |
|
| 230 |
if ( 'wsrw_process' === $content ) { |
| 231 |
$skip = true; |
| 232 |
continue; |
| 233 |
} |
| 234 |
} |
| 235 |
|
| 236 |
if ( $primary_key === $column ) { |
| 237 |
$where_clause[] = $column . '= "' . $this->mysql_real_escape_string( $content ) . '"'; |
| 238 |
continue; |
| 239 |
} |
| 240 |
|
| 241 |
if ( apply_filters( 'wsrw_skip_guids', 'guid' === $column ) ) { |
| 242 |
continue; |
| 243 |
} |
| 244 |
|
| 245 |
$case_insensitive = boolval( $process['case_insensitive'] ); |
| 246 |
$replaced_content = $this->run_replace( $process['search'], $process['replace'], $content, $case_insensitive ); |
| 247 |
|
| 248 |
if ( $content !== $replaced_content ) { |
| 249 |
$update_clause[] = $column . ' = "' . $this->mysql_real_escape_string( $replaced_content ) . '"'; |
| 250 |
|
| 251 |
$highlighted_results = $this->highlight_replacements( $process['search'], $process['replace'], $content, $replaced_content, $case_insensitive ); |
| 252 |
|
| 253 |
$operation_data = array( |
| 254 |
'table' => $table_name, |
| 255 |
'column' => $column, |
| 256 |
'row' => $row->$primary_key, |
| 257 |
'old' => $highlighted_results['old'], |
| 258 |
'new' => $highlighted_results['new'], |
| 259 |
); |
| 260 |
|
| 261 |
$updated_data[] = $operation_data; |
| 262 |
|
| 263 |
do_action( 'wsrw_performed_search_replace', $process, $content, $operation_data ); |
| 264 |
|
| 265 |
} |
| 266 |
} |
| 267 |
|
| 268 |
if ( ! $process['dry_run'] && ! empty( $update_clause ) ) { |
| 269 |
// Let's update the row. |
| 270 |
// If we do a prepared query here or attempt to use $wpdb->update, we will have issues with serialized data or in general break the values of many types of content, so instead we escape the values when the arrays are built. |
| 271 |
$update_sql = "UPDATE $table_name SET " . implode( ', ', $update_clause ) . " WHERE " . implode( ' AND ', $where_clause ); // phpcs:ignore |
| 272 |
$wpdb->query( $update_sql ); // phpcs:ignore |
| 273 |
} |
| 274 |
} |
| 275 |
|
| 276 |
// Let's update the process data. |
| 277 |
$process['table_page'] = $table_page + 1; |
| 278 |
$process['page'] = $process['page'] + 1; |
| 279 |
|
| 280 |
if ( count( $rows ) < $this->get_page_size() ) { |
| 281 |
$process['table'] = $process['table'] + 1; |
| 282 |
$process['table_page'] = 0; |
| 283 |
} |
| 284 |
|
| 285 |
if ( $process['table'] >= count( $process['tables'] ) ) { |
| 286 |
global $wpdb; |
| 287 |
if ( in_array( $wpdb->options, $process['tables'], true ) ) { |
| 288 |
|
| 289 |
// Process 'siteurl' now. |
| 290 |
$siteurl_value = get_option( 'siteurl' ); |
| 291 |
$case_insensitive = boolval( $process['case_insensitive'] ); |
| 292 |
$replaced_siteurl = $this->run_replace( $process['search'], $process['replace'], $siteurl_value, $case_insensitive ); |
| 293 |
|
| 294 |
if ( $siteurl_value !== $replaced_siteurl ) { |
| 295 |
// Update the 'siteurl' option. |
| 296 |
if ( ! $process['dry_run'] ) { |
| 297 |
update_option( 'siteurl', $replaced_siteurl ); |
| 298 |
} |
| 299 |
|
| 300 |
$highlighted_results = $this->highlight_replacements( $process['search'], $process['replace'], $siteurl_value, $replaced_siteurl, $case_insensitive ); |
| 301 |
|
| 302 |
$option = $wpdb->get_row( $wpdb->prepare( "SELECT option_id FROM {$wpdb->options} WHERE option_name = %s", 'siteurl' ) ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, WordPress.DB.DirectDatabaseQuery |
| 303 |
$option_id = $option ? $option->option_id : null; |
| 304 |
|
| 305 |
$operation_data = array( |
| 306 |
'table' => $wpdb->options, |
| 307 |
'column' => 'option_value', |
| 308 |
'row' => $option_id, // Use the option_id here. |
| 309 |
'old' => $highlighted_results['old'], |
| 310 |
'new' => $highlighted_results['new'], |
| 311 |
); |
| 312 |
|
| 313 |
$updated_data[] = $operation_data; |
| 314 |
|
| 315 |
do_action( 'wsrw_performed_search_replace', $process, $siteurl_value, $operation_data ); |
| 316 |
} |
| 317 |
} |
| 318 |
|
| 319 |
// Search and replace process is complete; delete the process data. |
| 320 |
delete_option( 'wsrw_process' ); |
| 321 |
|
| 322 |
// Send the final success response. |
| 323 |
wp_send_json_success( |
| 324 |
array( |
| 325 |
'updated_data' => $updated_data, |
| 326 |
'page' => $process['page'], |
| 327 |
'pages' => $process['pages'], |
| 328 |
'message' => esc_html__( 'Search and replace completed successfully.', 'search-replace-wpcode' ), |
| 329 |
'complete' => true, |
| 330 |
) |
| 331 |
); |
| 332 |
} else { |
| 333 |
// Update the process data. |
| 334 |
update_option( 'wsrw_process', $process ); |
| 335 |
|
| 336 |
// Send the partial success response. |
| 337 |
wp_send_json_success( |
| 338 |
array( |
| 339 |
'updated_data' => $updated_data, |
| 340 |
'page' => $process['page'], |
| 341 |
'table_page' => $table_page, |
| 342 |
'table' => $table, |
| 343 |
'pages' => $process['pages'], |
| 344 |
// translators: %1$s is the table name %2$s is current database pagination number %3$s is total database pagination pages number. |
| 345 |
'message' => sprintf( esc_html__( 'Processing table %1$s %2$s/%3$s', 'search-replace-wpcode' ), $table_name, $process['page'], $process['pages'] ), |
| 346 |
'complete' => false, |
| 347 |
) |
| 348 |
); |
| 349 |
} |
| 350 |
} |
| 351 |
|
| 352 |
/** |
| 353 |
* Highlight the search results. |
| 354 |
* |
| 355 |
* @param string $search The search term. |
| 356 |
* @param string $replace The replace term. |
| 357 |
* @param string $content The content to search in. |
| 358 |
* @param string $replaced_content The content after the replace. |
| 359 |
* @param bool $case_insensitive Whether the search is case insensitive. |
| 360 |
* |
| 361 |
* @return array |
| 362 |
*/ |
| 363 |
public function highlight_replacements( $search, $replace, $content, $replaced_content, $case_insensitive ) { |
| 364 |
|
| 365 |
$old = $this->highlight_results( $search, esc_html( $content ), 'red', array(), '', $case_insensitive ); |
| 366 |
$new = $this->highlight_results( $replace, esc_html( $replaced_content ), 'green', $old['positions'], $search ); |
| 367 |
|
| 368 |
return array( |
| 369 |
'old' => $old['highlighted'], |
| 370 |
'new' => $new['highlighted'], |
| 371 |
); |
| 372 |
} |
| 373 |
|
| 374 |
public function reverse_replace( $original_value, $search_string, $replace_string ) { |
| 375 |
// Replace the $replace_string with the $search_string in the original_value. |
| 376 |
$modified_value = str_replace( $original_value, $search_string, $replace_string ); |
| 377 |
|
| 378 |
return $modified_value; |
| 379 |
} |
| 380 |
|
| 381 |
/** |
| 382 |
* Run the search and replace. |
| 383 |
* |
| 384 |
* @param string $search The search term. |
| 385 |
* @param string $replace The replace term. |
| 386 |
* @param string $content The content to search in. |
| 387 |
* @param bool $case_insensitive Whether the search is case insensitive. |
| 388 |
* |
| 389 |
* @return array|mixed|string|string[] |
| 390 |
*/ |
| 391 |
public function run_replace( $search, $replace, $content, $case_insensitive = false ) { |
| 392 |
// Let's run a search and replace while supporting serialized data. |
| 393 |
$replaced_content = $content; |
| 394 |
if ( is_serialized( $content ) ) { |
| 395 |
$replaced_content = $this->maybe_unserialize( $content ); |
| 396 |
if ( is_array( $replaced_content ) ) { |
| 397 |
$replaced_content = $this->array_replace_recursive( $search, $replace, $replaced_content, $case_insensitive ); |
| 398 |
} elseif ( is_object( $replaced_content ) ) { |
| 399 |
$_tmp = clone $replaced_content; |
| 400 |
$keys = get_object_vars( $replaced_content ); |
| 401 |
foreach ( $keys as $key => $value ) { |
| 402 |
if ( is_int( $key ) ) { |
| 403 |
continue; |
| 404 |
} |
| 405 |
if ( is_string( $key ) && strpos( $key, "\0" ) !== false ) { |
| 406 |
continue; |
| 407 |
} |
| 408 |
$_tmp->$key = $this->run_replace( $search, $replace, $value, $case_insensitive ); |
| 409 |
} |
| 410 |
$replaced_content = $_tmp; |
| 411 |
unset( $_tmp ); |
| 412 |
} else { |
| 413 |
$replaced_content = $this->str_replace( $search, $replace, $replaced_content, $case_insensitive ); |
| 414 |
} |
| 415 |
// We need this to be serialized as we got it serialized. |
| 416 |
$replaced_content = serialize( $replaced_content ); // phpcs:ignore |
| 417 |
} elseif ( is_string( $content ) ) { |
| 418 |
$replaced_content = $this->str_replace( $search, $replace, $content, $case_insensitive ); |
| 419 |
} |
| 420 |
|
| 421 |
return $replaced_content; |
| 422 |
} |
| 423 |
|
| 424 |
/** |
| 425 |
* Recursively replace values in an array. |
| 426 |
* |
| 427 |
* @param mixed $search The search term. |
| 428 |
* @param mixed $replace The replace term. |
| 429 |
* @param mixed $subject The content to search in. |
| 430 |
* @param bool $case_insensitive Whether the search is case insensitive. |
| 431 |
* |
| 432 |
* @return array|mixed |
| 433 |
*/ |
| 434 |
public function array_replace_recursive( $search, $replace, $subject, $case_insensitive = false ) { |
| 435 |
if ( is_array( $subject ) ) { |
| 436 |
foreach ( $subject as $key => $value ) { |
| 437 |
$subject[ $key ] = $this->array_replace_recursive( $search, $replace, $value ); |
| 438 |
} |
| 439 |
} elseif ( is_object( $subject ) ) { |
| 440 |
$_tmp = clone $subject; |
| 441 |
$keys = get_object_vars( $subject ); |
| 442 |
foreach ( $keys as $key => $value ) { |
| 443 |
if ( is_int( $key ) ) { |
| 444 |
continue; |
| 445 |
} |
| 446 |
if ( is_string( $key ) && strpos( $key, "\0" ) !== false ) { |
| 447 |
continue; |
| 448 |
} |
| 449 |
$_tmp->$key = $this->array_replace_recursive( $search, $replace, $value ); |
| 450 |
} |
| 451 |
$subject = $_tmp; |
| 452 |
unset( $_tmp ); |
| 453 |
} elseif ( is_string( $subject ) ) { |
| 454 |
$subject = $this->str_replace( $search, $replace, $subject, $case_insensitive ); |
| 455 |
} |
| 456 |
|
| 457 |
return $subject; |
| 458 |
} |
| 459 |
|
| 460 |
/** |
| 461 |
* Local version of str_replace. |
| 462 |
* |
| 463 |
* @param string $search The search term. |
| 464 |
* @param string $replace The replace term. |
| 465 |
* @param string $subject The content to search in. |
| 466 |
* @param bool $case_insensitive Whether the search is case insensitive. |
| 467 |
* |
| 468 |
* @return array|mixed|string|string[] |
| 469 |
*/ |
| 470 |
public function str_replace( $search, $replace, $subject, $case_insensitive = false ) { |
| 471 |
if ( $case_insensitive ) { |
| 472 |
return str_ireplace( $search, $replace, $subject ); |
| 473 |
} |
| 474 |
|
| 475 |
return str_replace( $search, $replace, $subject ); |
| 476 |
} |
| 477 |
|
| 478 |
/** |
| 479 |
* Get the columns of a table. |
| 480 |
* |
| 481 |
* @param string $table_name The name of the table. |
| 482 |
* |
| 483 |
* @return array |
| 484 |
*/ |
| 485 |
public static function get_table_columns( $table_name ) { |
| 486 |
global $wpdb; |
| 487 |
|
| 488 |
$primary_key = false; |
| 489 |
$column_names = array(); |
| 490 |
$table_name = esc_sql( $table_name ); // We can't use prepare with %i since we support older versions of WordPress. |
| 491 |
$columns = $wpdb->get_results( "DESCRIBE $table_name" ); // phpcs:ignore |
| 492 |
|
| 493 |
foreach ( $columns as $column ) { |
| 494 |
if ( 'PRI' === $column->Key ) { // phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase |
| 495 |
$primary_key = $column->Field; // phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase |
| 496 |
} |
| 497 |
$column_names[] = $column->Field; // phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase |
| 498 |
} |
| 499 |
|
| 500 |
return array( |
| 501 |
'primary_key' => $primary_key, |
| 502 |
'columns' => $column_names, |
| 503 |
); |
| 504 |
} |
| 505 |
|
| 506 |
/** |
| 507 |
* Calculate the number of pages we need to process. |
| 508 |
* |
| 509 |
* @param array $tables The tables to search in. |
| 510 |
* |
| 511 |
* @return int |
| 512 |
*/ |
| 513 |
protected function get_all_pages( $tables ) { |
| 514 |
// Let's get the total number of rows in the tables. |
| 515 |
$total_rows = 0; |
| 516 |
foreach ( $tables as $table ) { |
| 517 |
$total_rows += $this->get_table_pages( $table ); |
| 518 |
} |
| 519 |
|
| 520 |
return $total_rows; |
| 521 |
} |
| 522 |
|
| 523 |
/** |
| 524 |
* Get the number of pages for a table. |
| 525 |
* |
| 526 |
* @param string $table The table name. |
| 527 |
* |
| 528 |
* @return int |
| 529 |
*/ |
| 530 |
private function get_table_pages( $table ) { |
| 531 |
global $wpdb; |
| 532 |
|
| 533 |
$rows = absint( $wpdb->get_var( "SELECT COUNT(*) FROM $table" ) ); // phpcs:ignore |
| 534 |
|
| 535 |
if ( 0 === $rows ) { |
| 536 |
$rows = 1; // We need at least 1 page for each table. |
| 537 |
} |
| 538 |
|
| 539 |
return ceil( $rows / $this->get_page_size() ); |
| 540 |
} |
| 541 |
|
| 542 |
/** |
| 543 |
* Get the page size. |
| 544 |
* |
| 545 |
* @return int |
| 546 |
*/ |
| 547 |
public function get_page_size() { |
| 548 |
return $this->page_size; |
| 549 |
} |
| 550 |
|
| 551 |
/** |
| 552 |
* Get all the tables in the database. |
| 553 |
* |
| 554 |
* @return array |
| 555 |
*/ |
| 556 |
public static function get_all_tables() { |
| 557 |
global $wpdb; |
| 558 |
|
| 559 |
$all_tables = $wpdb->get_results( "SHOW TABLES", ARRAY_N ); // phpcs:ignore |
| 560 |
|
| 561 |
$table_names = array(); |
| 562 |
|
| 563 |
foreach ( $all_tables as $table ) { |
| 564 |
if ( empty( $table[0] ) ) { |
| 565 |
continue; |
| 566 |
} |
| 567 |
if ( strpos( $table[0], 'wsrw_' ) !== false ) { |
| 568 |
continue; |
| 569 |
} |
| 570 |
$table_names[] = $table[0]; |
| 571 |
} |
| 572 |
|
| 573 |
// Allow other plugins to exclude their tables here. |
| 574 |
$table_names = apply_filters( 'wsrw_get_all_tables', $table_names ); |
| 575 |
|
| 576 |
return $table_names; |
| 577 |
} |
| 578 |
|
| 579 |
/** |
| 580 |
* Go through a list of tables as passed from the admin and validate them against the actual database. |
| 581 |
* Defaults to all tables for now. |
| 582 |
* |
| 583 |
* @param array $tables Array of table names to include in the search. |
| 584 |
* |
| 585 |
* @return array A validated list of tables. |
| 586 |
*/ |
| 587 |
public function validate_tables( $tables ) { |
| 588 |
// Let's get a list of all the actual tables in the database. |
| 589 |
$valid_tables = self::get_all_tables(); |
| 590 |
|
| 591 |
// If we don't have any tables, we can't do anything. |
| 592 |
if ( empty( $valid_tables ) ) { |
| 593 |
return array(); |
| 594 |
} |
| 595 |
|
| 596 |
$validated_tables = array(); |
| 597 |
foreach ( $tables as $table ) { |
| 598 |
if ( in_array( $table, $valid_tables, true ) ) { |
| 599 |
$validated_tables[] = $table; |
| 600 |
} |
| 601 |
} |
| 602 |
|
| 603 |
return $validated_tables; |
| 604 |
} |
| 605 |
|
| 606 |
/** |
| 607 |
* Unserialize method that makes sure we set allowed_classes to false. |
| 608 |
* |
| 609 |
* @param mixed $data The data to unserialize. |
| 610 |
* |
| 611 |
* @return mixed |
| 612 |
*/ |
| 613 |
public function maybe_unserialize( $data ) { |
| 614 |
if ( is_serialized( $data ) ) { |
| 615 |
return @unserialize( trim( $data ), array( // phpcs:ignore |
| 616 |
'allowed_classes' => false, |
| 617 |
) ); // phpcs:ignore |
| 618 |
} |
| 619 |
|
| 620 |
return $data; |
| 621 |
} |
| 622 |
|
| 623 |
/** |
| 624 |
* Local version of mysql_real_escape_string. |
| 625 |
* |
| 626 |
* @param mixed $string The string to escape. |
| 627 |
* |
| 628 |
* @return array|mixed|string|string[] |
| 629 |
*/ |
| 630 |
public function mysql_real_escape_string( $string ) { |
| 631 |
if ( is_array( $string ) ) { |
| 632 |
return array_map( __METHOD__, $string ); |
| 633 |
} |
| 634 |
if ( ! empty( $string ) && is_string( $string ) ) { |
| 635 |
return str_replace( |
| 636 |
array( '\\', "\0", "\n", "\r", "'", '"', "\x1a" ), |
| 637 |
array( |
| 638 |
'\\\\', |
| 639 |
'\\0', |
| 640 |
'\\n', |
| 641 |
'\\r', |
| 642 |
"\\'", |
| 643 |
'\\"', |
| 644 |
'\\Z', |
| 645 |
), |
| 646 |
$string |
| 647 |
); |
| 648 |
} |
| 649 |
|
| 650 |
return $string; |
| 651 |
} |
| 652 |
} |
| 653 |
|
