default-constants.php 10 KB

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  1. <?php
  2. /**
  3. * Defines constants and global variables that can be overridden, generally in wp-config.php.
  4. *
  5. * @package WordPress
  6. */
  7. /**
  8. * Defines initial WordPress constants.
  9. *
  10. * @see wp_debug_mode()
  11. *
  12. * @since 3.0.0
  13. *
  14. * @global int $blog_id The current site ID.
  15. * @global string $wp_version The WordPress version string.
  16. */
  17. function wp_initial_constants() {
  18. global $blog_id, $wp_version;
  19. /**#@+
  20. * Constants for expressing human-readable data sizes in their respective number of bytes.
  21. *
  22. * @since 4.4.0
  23. * @since 6.0.0 `PB_IN_BYTES`, `EB_IN_BYTES`, `ZB_IN_BYTES`, and `YB_IN_BYTES` were added.
  24. */
  25. define( 'KB_IN_BYTES', 1024 );
  26. define( 'MB_IN_BYTES', 1024 * KB_IN_BYTES );
  27. define( 'GB_IN_BYTES', 1024 * MB_IN_BYTES );
  28. define( 'TB_IN_BYTES', 1024 * GB_IN_BYTES );
  29. define( 'PB_IN_BYTES', 1024 * TB_IN_BYTES );
  30. define( 'EB_IN_BYTES', 1024 * PB_IN_BYTES );
  31. define( 'ZB_IN_BYTES', 1024 * EB_IN_BYTES );
  32. define( 'YB_IN_BYTES', 1024 * ZB_IN_BYTES );
  33. /**#@-*/
  34. // Start of run timestamp.
  35. if ( ! defined( 'WP_START_TIMESTAMP' ) ) {
  36. define( 'WP_START_TIMESTAMP', microtime( true ) );
  37. }
  38. $current_limit = ini_get( 'memory_limit' );
  39. $current_limit_int = wp_convert_hr_to_bytes( $current_limit );
  40. // Define memory limits.
  41. if ( ! defined( 'WP_MEMORY_LIMIT' ) ) {
  42. if ( false === wp_is_ini_value_changeable( 'memory_limit' ) ) {
  43. define( 'WP_MEMORY_LIMIT', $current_limit );
  44. } elseif ( is_multisite() ) {
  45. define( 'WP_MEMORY_LIMIT', '64M' );
  46. } else {
  47. define( 'WP_MEMORY_LIMIT', '40M' );
  48. }
  49. }
  50. if ( ! defined( 'WP_MAX_MEMORY_LIMIT' ) ) {
  51. if ( false === wp_is_ini_value_changeable( 'memory_limit' ) ) {
  52. define( 'WP_MAX_MEMORY_LIMIT', $current_limit );
  53. } elseif ( -1 === $current_limit_int || $current_limit_int > 268435456 /* = 256M */ ) {
  54. define( 'WP_MAX_MEMORY_LIMIT', $current_limit );
  55. } else {
  56. define( 'WP_MAX_MEMORY_LIMIT', '256M' );
  57. }
  58. }
  59. // Set memory limits.
  60. $wp_limit_int = wp_convert_hr_to_bytes( WP_MEMORY_LIMIT );
  61. if ( -1 !== $current_limit_int && ( -1 === $wp_limit_int || $wp_limit_int > $current_limit_int ) ) {
  62. ini_set( 'memory_limit', WP_MEMORY_LIMIT );
  63. }
  64. if ( ! isset( $blog_id ) ) {
  65. $blog_id = 1;
  66. }
  67. if ( ! defined( 'WP_CONTENT_DIR' ) ) {
  68. define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' ); // No trailing slash, full paths only - WP_CONTENT_URL is defined further down.
  69. }
  70. // Add define( 'WP_DEBUG', true ); to wp-config.php to enable display of notices during development.
  71. if ( ! defined( 'WP_DEBUG' ) ) {
  72. if ( 'development' === wp_get_environment_type() ) {
  73. define( 'WP_DEBUG', true );
  74. } else {
  75. define( 'WP_DEBUG', false );
  76. }
  77. }
  78. // Add define( 'WP_DEBUG_DISPLAY', null ); to wp-config.php to use the globally configured setting
  79. // for 'display_errors' and not force errors to be displayed. Use false to force 'display_errors' off.
  80. if ( ! defined( 'WP_DEBUG_DISPLAY' ) ) {
  81. define( 'WP_DEBUG_DISPLAY', true );
  82. }
  83. // Add define( 'WP_DEBUG_LOG', true ); to enable error logging to wp-content/debug.log.
  84. if ( ! defined( 'WP_DEBUG_LOG' ) ) {
  85. define( 'WP_DEBUG_LOG', false );
  86. }
  87. if ( ! defined( 'WP_CACHE' ) ) {
  88. define( 'WP_CACHE', false );
  89. }
  90. // Add define( 'SCRIPT_DEBUG', true ); to wp-config.php to enable loading of non-minified,
  91. // non-concatenated scripts and stylesheets.
  92. if ( ! defined( 'SCRIPT_DEBUG' ) ) {
  93. if ( ! empty( $wp_version ) ) {
  94. $develop_src = false !== strpos( $wp_version, '-src' );
  95. } else {
  96. $develop_src = false;
  97. }
  98. define( 'SCRIPT_DEBUG', $develop_src );
  99. }
  100. /**
  101. * Private
  102. */
  103. if ( ! defined( 'MEDIA_TRASH' ) ) {
  104. define( 'MEDIA_TRASH', false );
  105. }
  106. if ( ! defined( 'SHORTINIT' ) ) {
  107. define( 'SHORTINIT', false );
  108. }
  109. // Constants for features added to WP that should short-circuit their plugin implementations.
  110. define( 'WP_FEATURE_BETTER_PASSWORDS', true );
  111. /**#@+
  112. * Constants for expressing human-readable intervals
  113. * in their respective number of seconds.
  114. *
  115. * Please note that these values are approximate and are provided for convenience.
  116. * For example, MONTH_IN_SECONDS wrongly assumes every month has 30 days and
  117. * YEAR_IN_SECONDS does not take leap years into account.
  118. *
  119. * If you need more accuracy please consider using the DateTime class (https://www.php.net/manual/en/class.datetime.php).
  120. *
  121. * @since 3.5.0
  122. * @since 4.4.0 Introduced `MONTH_IN_SECONDS`.
  123. */
  124. define( 'MINUTE_IN_SECONDS', 60 );
  125. define( 'HOUR_IN_SECONDS', 60 * MINUTE_IN_SECONDS );
  126. define( 'DAY_IN_SECONDS', 24 * HOUR_IN_SECONDS );
  127. define( 'WEEK_IN_SECONDS', 7 * DAY_IN_SECONDS );
  128. define( 'MONTH_IN_SECONDS', 30 * DAY_IN_SECONDS );
  129. define( 'YEAR_IN_SECONDS', 365 * DAY_IN_SECONDS );
  130. /**#@-*/
  131. }
  132. /**
  133. * Defines plugin directory WordPress constants.
  134. *
  135. * Defines must-use plugin directory constants, which may be overridden in the sunrise.php drop-in.
  136. *
  137. * @since 3.0.0
  138. */
  139. function wp_plugin_directory_constants() {
  140. if ( ! defined( 'WP_CONTENT_URL' ) ) {
  141. define( 'WP_CONTENT_URL', get_option( 'siteurl' ) . '/wp-content' ); // Full URL - WP_CONTENT_DIR is defined further up.
  142. }
  143. /**
  144. * Allows for the plugins directory to be moved from the default location.
  145. *
  146. * @since 2.6.0
  147. */
  148. if ( ! defined( 'WP_PLUGIN_DIR' ) ) {
  149. define( 'WP_PLUGIN_DIR', WP_CONTENT_DIR . '/plugins' ); // Full path, no trailing slash.
  150. }
  151. /**
  152. * Allows for the plugins directory to be moved from the default location.
  153. *
  154. * @since 2.6.0
  155. */
  156. if ( ! defined( 'WP_PLUGIN_URL' ) ) {
  157. define( 'WP_PLUGIN_URL', WP_CONTENT_URL . '/plugins' ); // Full URL, no trailing slash.
  158. }
  159. /**
  160. * Allows for the plugins directory to be moved from the default location.
  161. *
  162. * @since 2.1.0
  163. * @deprecated
  164. */
  165. if ( ! defined( 'PLUGINDIR' ) ) {
  166. define( 'PLUGINDIR', 'wp-content/plugins' ); // Relative to ABSPATH. For back compat.
  167. }
  168. /**
  169. * Allows for the mu-plugins directory to be moved from the default location.
  170. *
  171. * @since 2.8.0
  172. */
  173. if ( ! defined( 'WPMU_PLUGIN_DIR' ) ) {
  174. define( 'WPMU_PLUGIN_DIR', WP_CONTENT_DIR . '/mu-plugins' ); // Full path, no trailing slash.
  175. }
  176. /**
  177. * Allows for the mu-plugins directory to be moved from the default location.
  178. *
  179. * @since 2.8.0
  180. */
  181. if ( ! defined( 'WPMU_PLUGIN_URL' ) ) {
  182. define( 'WPMU_PLUGIN_URL', WP_CONTENT_URL . '/mu-plugins' ); // Full URL, no trailing slash.
  183. }
  184. /**
  185. * Allows for the mu-plugins directory to be moved from the default location.
  186. *
  187. * @since 2.8.0
  188. * @deprecated
  189. */
  190. if ( ! defined( 'MUPLUGINDIR' ) ) {
  191. define( 'MUPLUGINDIR', 'wp-content/mu-plugins' ); // Relative to ABSPATH. For back compat.
  192. }
  193. }
  194. /**
  195. * Defines cookie-related WordPress constants.
  196. *
  197. * Defines constants after multisite is loaded.
  198. *
  199. * @since 3.0.0
  200. */
  201. function wp_cookie_constants() {
  202. /**
  203. * Used to guarantee unique hash cookies.
  204. *
  205. * @since 1.5.0
  206. */
  207. if ( ! defined( 'COOKIEHASH' ) ) {
  208. $siteurl = get_site_option( 'siteurl' );
  209. if ( $siteurl ) {
  210. define( 'COOKIEHASH', md5( $siteurl ) );
  211. } else {
  212. define( 'COOKIEHASH', '' );
  213. }
  214. }
  215. /**
  216. * @since 2.0.0
  217. */
  218. if ( ! defined( 'USER_COOKIE' ) ) {
  219. define( 'USER_COOKIE', 'wordpressuser_' . COOKIEHASH );
  220. }
  221. /**
  222. * @since 2.0.0
  223. */
  224. if ( ! defined( 'PASS_COOKIE' ) ) {
  225. define( 'PASS_COOKIE', 'wordpresspass_' . COOKIEHASH );
  226. }
  227. /**
  228. * @since 2.5.0
  229. */
  230. if ( ! defined( 'AUTH_COOKIE' ) ) {
  231. define( 'AUTH_COOKIE', 'wordpress_' . COOKIEHASH );
  232. }
  233. /**
  234. * @since 2.6.0
  235. */
  236. if ( ! defined( 'SECURE_AUTH_COOKIE' ) ) {
  237. define( 'SECURE_AUTH_COOKIE', 'wordpress_sec_' . COOKIEHASH );
  238. }
  239. /**
  240. * @since 2.6.0
  241. */
  242. if ( ! defined( 'LOGGED_IN_COOKIE' ) ) {
  243. define( 'LOGGED_IN_COOKIE', 'wordpress_logged_in_' . COOKIEHASH );
  244. }
  245. /**
  246. * @since 2.3.0
  247. */
  248. if ( ! defined( 'TEST_COOKIE' ) ) {
  249. define( 'TEST_COOKIE', 'wordpress_test_cookie' );
  250. }
  251. /**
  252. * @since 1.2.0
  253. */
  254. if ( ! defined( 'COOKIEPATH' ) ) {
  255. define( 'COOKIEPATH', preg_replace( '|https?://[^/]+|i', '', get_option( 'home' ) . '/' ) );
  256. }
  257. /**
  258. * @since 1.5.0
  259. */
  260. if ( ! defined( 'SITECOOKIEPATH' ) ) {
  261. define( 'SITECOOKIEPATH', preg_replace( '|https?://[^/]+|i', '', get_option( 'siteurl' ) . '/' ) );
  262. }
  263. /**
  264. * @since 2.6.0
  265. */
  266. if ( ! defined( 'ADMIN_COOKIE_PATH' ) ) {
  267. define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH . 'wp-admin' );
  268. }
  269. /**
  270. * @since 2.6.0
  271. */
  272. if ( ! defined( 'PLUGINS_COOKIE_PATH' ) ) {
  273. define( 'PLUGINS_COOKIE_PATH', preg_replace( '|https?://[^/]+|i', '', WP_PLUGIN_URL ) );
  274. }
  275. /**
  276. * @since 2.0.0
  277. */
  278. if ( ! defined( 'COOKIE_DOMAIN' ) ) {
  279. define( 'COOKIE_DOMAIN', false );
  280. }
  281. if ( ! defined( 'RECOVERY_MODE_COOKIE' ) ) {
  282. /**
  283. * @since 5.2.0
  284. */
  285. define( 'RECOVERY_MODE_COOKIE', 'wordpress_rec_' . COOKIEHASH );
  286. }
  287. }
  288. /**
  289. * Defines SSL-related WordPress constants.
  290. *
  291. * @since 3.0.0
  292. */
  293. function wp_ssl_constants() {
  294. /**
  295. * @since 2.6.0
  296. */
  297. if ( ! defined( 'FORCE_SSL_ADMIN' ) ) {
  298. if ( 'https' === parse_url( get_option( 'siteurl' ), PHP_URL_SCHEME ) ) {
  299. define( 'FORCE_SSL_ADMIN', true );
  300. } else {
  301. define( 'FORCE_SSL_ADMIN', false );
  302. }
  303. }
  304. force_ssl_admin( FORCE_SSL_ADMIN );
  305. /**
  306. * @since 2.6.0
  307. * @deprecated 4.0.0
  308. */
  309. if ( defined( 'FORCE_SSL_LOGIN' ) && FORCE_SSL_LOGIN ) {
  310. force_ssl_admin( true );
  311. }
  312. }
  313. /**
  314. * Defines functionality-related WordPress constants.
  315. *
  316. * @since 3.0.0
  317. */
  318. function wp_functionality_constants() {
  319. /**
  320. * @since 2.5.0
  321. */
  322. if ( ! defined( 'AUTOSAVE_INTERVAL' ) ) {
  323. define( 'AUTOSAVE_INTERVAL', MINUTE_IN_SECONDS );
  324. }
  325. /**
  326. * @since 2.9.0
  327. */
  328. if ( ! defined( 'EMPTY_TRASH_DAYS' ) ) {
  329. define( 'EMPTY_TRASH_DAYS', 30 );
  330. }
  331. if ( ! defined( 'WP_POST_REVISIONS' ) ) {
  332. define( 'WP_POST_REVISIONS', true );
  333. }
  334. /**
  335. * @since 3.3.0
  336. */
  337. if ( ! defined( 'WP_CRON_LOCK_TIMEOUT' ) ) {
  338. define( 'WP_CRON_LOCK_TIMEOUT', MINUTE_IN_SECONDS );
  339. }
  340. }
  341. /**
  342. * Defines templating-related WordPress constants.
  343. *
  344. * @since 3.0.0
  345. */
  346. function wp_templating_constants() {
  347. /**
  348. * Filesystem path to the current active template directory.
  349. *
  350. * @since 1.5.0
  351. */
  352. define( 'TEMPLATEPATH', get_template_directory() );
  353. /**
  354. * Filesystem path to the current active template stylesheet directory.
  355. *
  356. * @since 2.1.0
  357. */
  358. define( 'STYLESHEETPATH', get_stylesheet_directory() );
  359. /**
  360. * Slug of the default theme for this installation.
  361. * Used as the default theme when installing new sites.
  362. * It will be used as the fallback if the active theme doesn't exist.
  363. *
  364. * @since 3.0.0
  365. *
  366. * @see WP_Theme::get_core_default_theme()
  367. */
  368. if ( ! defined( 'WP_DEFAULT_THEME' ) ) {
  369. define( 'WP_DEFAULT_THEME', 'twentytwentythree' );
  370. }
  371. }