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default-constants.php 10KB

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