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PHP Cross Reference of BBPress |
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1 <?php 2 3 /** 4 * bbPress Abstractions 5 * 6 * This file contains functions for abstracting WordPress core functionality 7 * into convenient wrappers so they can be used more reliably. 8 * 9 * Many of the functions in this file are considered superfluous by 10 * WordPress coding standards, but they're handy for plugins of plugins to use. 11 * 12 * @package bbPress 13 * @subpackage Core 14 */ 15 16 // Exit if accessed directly 17 defined( 'ABSPATH' ) || exit; 18 19 /** 20 * Setup Admin 21 * 22 * This exists outside of "/includes/admin/" because the converter may need to 23 * be setup to convert the passwords of users that were migrated from another 24 * forum platform. 25 * 26 * @since 2.6.0 bbPress (r2596) 27 */ 28 function bbp_setup_admin() { 29 $bbp = bbpress(); 30 31 // Skip if already setup 32 if ( empty( $bbp->admin ) ) { 33 34 // Require the admin class 35 require_once $bbp->includes_dir . 'admin/classes/class-bbp-admin.php'; 36 37 // Setup 38 $bbp->admin = class_exists( 'BBP_Admin' ) 39 ? new BBP_Admin() 40 : new stdClass(); 41 } 42 43 // Return the admin object 44 return $bbp->admin; 45 } 46 47 /** 48 * Setup Converter 49 * 50 * This exists outside of "/includes/admin/" because the converter may need to 51 * be setup to convert the passwords of users that were migrated from another 52 * forum platform. 53 * 54 * @since 2.6.0 bbPress (r2596) 55 */ 56 function bbp_setup_converter() { 57 $bbp_admin = bbp_setup_admin(); 58 59 // Skip if already setup 60 if ( empty( $bbp_admin->converter ) ) { 61 62 // Require the converter files 63 require_once $bbp_admin->admin_dir . 'tools/converter.php'; 64 require_once $bbp_admin->admin_dir . 'classes/class-bbp-converter.php'; 65 require_once $bbp_admin->admin_dir . 'classes/class-bbp-converter-db.php'; 66 require_once $bbp_admin->admin_dir . 'classes/class-bbp-converter-base.php'; 67 68 // Setup 69 $bbp_admin->converter = class_exists( 'BBP_Converter' ) 70 ? new BBP_Converter() 71 : new stdClass(); 72 } 73 74 // Return the converter 75 return $bbp_admin->converter; 76 } 77 78 /** Globals *******************************************************************/ 79 80 /** 81 * Lookup and return a global variable 82 * 83 * @since 2.5.8 bbPress (r5814) 84 * 85 * @param string $name Name of global variable 86 * @param string $type Type of variable to check with `is_a()` 87 * @param mixed $default Default value to return if no global found 88 * 89 * @return mixed Verified object if valid, Default or null if invalid 90 */ 91 function bbp_get_global_object( $name = '', $type = '', $default = null ) { 92 93 // If no name passed 94 if ( empty( $name ) ) { 95 $retval = $default; 96 97 // If no global exists 98 } elseif ( ! isset( $GLOBALS[ $name ] ) ) { 99 $retval = $default; 100 101 // If not the correct type of global 102 } elseif ( ! empty( $type ) && ! is_a( $GLOBALS[ $name ], $type ) ) { 103 $retval = $default; 104 105 // Global variable exists 106 } else { 107 $retval = $GLOBALS[ $name ]; 108 } 109 110 // Filter & return 111 return apply_filters( 'bbp_get_global_object', $retval, $name, $type, $default ); 112 } 113 114 /** 115 * Get the `$wp_query` global without needing to declare it everywhere 116 * 117 * @since 2.6.0 bbPress (r6582) 118 * 119 * @return WP_Roles 120 */ 121 function bbp_get_wp_query() { 122 return bbp_get_global_object( 'wp_query', 'WP_Query' ); 123 } 124 125 /** 126 * Get the `$wp_roles` global without needing to declare it everywhere 127 * 128 * @since 2.2.0 bbPress (r4293) 129 * 130 * @return WP_Roles 131 */ 132 function bbp_get_wp_roles() { 133 return bbp_get_global_object( 'wp_roles', 'WP_Roles' ); 134 } 135 136 /** 137 * Return the database class being used to interface with the environment. 138 * 139 * This function is abstracted to avoid global touches to the primary database 140 * class. bbPress supports WordPress's `$wpdb` global by default, and can be 141 * filtered to support other configurations if needed. 142 * 143 * @since 2.5.8 bbPress (r5814) 144 * 145 * @return object 146 */ 147 function bbp_db() { 148 return bbp_get_global_object( 'wpdb', 'WPDB' ); 149 } 150 151 /** Pagination ****************************************************************/ 152 153 /** 154 * Return the rewrite rules class being used to interact with URLs. 155 * 156 * This function is abstracted to avoid global touches to the primary rewrite 157 * rules class. bbPress supports WordPress's `$wp_rewrite` by default, but can 158 * be filtered to support other configurations if needed. 159 * 160 * @since 2.5.8 bbPress (r5814) 161 * 162 * @return object 163 */ 164 function bbp_rewrite() { 165 return bbp_get_global_object( 'wp_rewrite', 'WP_Rewrite', (object) array( 166 'root' => '', 167 'pagination_base' => 'page', 168 ) ); 169 } 170 171 /** 172 * Get the root URL 173 * 174 * @since 2.5.8 bbPress (r5814) 175 * 176 * @return string 177 */ 178 function bbp_get_root_url() { 179 180 // Default 181 $retval = ''; 182 $rewrite = bbp_rewrite(); 183 184 // Use $wp_rewrite->root if available 185 if ( property_exists( $rewrite, 'root' ) ) { 186 $retval = $rewrite->root; 187 } 188 189 // Filter & return 190 return apply_filters( 'bbp_get_root_url', $retval ); 191 } 192 193 /** 194 * Get the slug used for paginated requests 195 * 196 * @since 2.4.0 bbPress (r4926) 197 * 198 * @return string 199 */ 200 function bbp_get_paged_slug() { 201 202 // Default 203 $retval = 'page'; 204 $rewrite = bbp_rewrite(); 205 206 // Use $wp_rewrite->pagination_base if available 207 if ( property_exists( $rewrite, 'pagination_base' ) ) { 208 $retval = $rewrite->pagination_base; 209 } 210 211 // Filter & return 212 return apply_filters( 'bbp_get_paged_slug', $retval ); 213 } 214 215 /** 216 * Is the environment using pretty URLs? 217 * 218 * @since 2.5.8 bbPress (r5814) 219 * 220 * @global object $wp_rewrite The WP_Rewrite object 221 * 222 * @return bool 223 */ 224 function bbp_use_pretty_urls() { 225 226 // Default 227 $retval = false; 228 $rewrite = bbp_rewrite(); 229 230 // Use $wp_rewrite->using_permalinks() if available 231 if ( method_exists( $rewrite, 'using_permalinks' ) ) { 232 $retval = $rewrite->using_permalinks(); 233 } 234 235 // Filter & return 236 return apply_filters( 'bbp_pretty_urls', $retval ); 237 } 238 239 /** 240 * Remove the first-page from a pagination links result set, ensuring that it 241 * points to the canonical first page URL. 242 * 243 * This is a bit of an SEO hack, to guarantee that the first page in a loop will 244 * never have pagination appended to the end of it, regardless of what the other 245 * functions have decided for us. 246 * 247 * @since 2.6.0 bbPress (r6678) 248 * 249 * @param string $pagination_links The HTML links used for pagination 250 * 251 * @return string 252 */ 253 function bbp_make_first_page_canonical( $pagination_links = '' ) { 254 255 // Default value 256 $retval = $pagination_links; 257 258 // Remove first page from pagination 259 if ( ! empty( $pagination_links ) ) { 260 $retval = bbp_use_pretty_urls() 261 ? str_replace( bbp_get_paged_slug() . '/1/', '', $pagination_links ) 262 : preg_replace( '/&paged=1(?=[^0-9])/m', '', $pagination_links ); 263 } 264 265 // Filter & return 266 return apply_filters( 'bbp_make_first_page_canonical', $retval, $pagination_links ); 267 } 268 269 /** 270 * A convenient wrapper for common calls to paginate_links(), complete with 271 * support for parameters that aren't used internally by bbPress. 272 * 273 * @since 2.6.0 bbPress (r6679) 274 * 275 * @param array $args 276 * 277 * @return string 278 */ 279 function bbp_paginate_links( $args = array() ) { 280 281 // Maybe add view-all args 282 $add_args = empty( $args['add_args'] ) && bbp_get_view_all() 283 ? array( 'view' => 'all' ) 284 : false; 285 286 // Pagination settings with filter 287 $r = bbp_parse_args( $args, array( 288 289 // Used by callers 290 'base' => '', 291 'total' => 1, 292 'current' => bbp_get_paged(), 293 'prev_next' => true, 294 'prev_text' => is_rtl() ? '→' : '←', 295 'next_text' => is_rtl() ? '←' : '→', 296 'mid_size' => 1, 297 'end_size' => 3, 298 'add_args' => $add_args, 299 300 // Unused by callers 301 'show_all' => false, 302 'type' => 'plain', 303 'format' => '', 304 'add_fragment' => '', 305 'before_page_number' => '', 306 'after_page_number' => '' 307 ), 'paginate_links' ); 308 309 // Return paginated links 310 return bbp_make_first_page_canonical( paginate_links( $r ) ); 311 } 312 313 /** 314 * Parse the WordPress core version number 315 * 316 * @since 2.6.0 bbPress (r6051) 317 * 318 * @global string $wp_version 319 * 320 * @return string $wp_version 321 */ 322 function bbp_get_major_wp_version() { 323 global $wp_version; 324 325 return (float) $wp_version; 326 } 327 328 /** Multisite *****************************************************************/ 329 330 /** 331 * Is this a large bbPress installation? 332 * 333 * @since 2.6.0 bbPress (r6242) 334 * 335 * @return bool True if more than 10000 users, false not 336 */ 337 function bbp_is_large_install() { 338 339 // Multisite has a function specifically for this 340 $retval = function_exists( 'wp_is_large_network' ) 341 ? wp_is_large_network( 'users' ) 342 : ( bbp_get_total_users() > 10000 ); 343 344 // Filter & return 345 return (bool) apply_filters( 'bbp_is_large_install', $retval ); 346 } 347 348 /** 349 * Get the total number of users on the forums 350 * 351 * @since 2.0.0 bbPress (r2769) 352 * 353 * @return int Total number of users 354 */ 355 function bbp_get_total_users() { 356 $bbp_db = bbp_db(); 357 $count = $bbp_db->get_var( "SELECT COUNT(ID) as c FROM {$bbp_db->users} WHERE user_status = '0'" ); 358 359 // Filter & return 360 return (int) apply_filters( 'bbp_get_total_users', (int) $count ); 361 } 362 363 /** 364 * Switch to a site in a multisite installation. 365 * 366 * If not a multisite installation, no switching will occur. 367 * 368 * @since 2.6.0 bbPress (r6733) 369 * 370 * @param int $site_id 371 */ 372 function bbp_switch_to_site( $site_id = 0 ) { 373 374 // Switch to a specific site 375 if ( is_multisite() ) { 376 switch_to_blog( $site_id ); 377 } 378 } 379 380 /** 381 * Switch back to the original site in a multisite installation. 382 * 383 * If not a multisite installation, no switching will occur. 384 * 385 * @since 2.6.0 bbPress (r6733) 386 */ 387 function bbp_restore_current_site() { 388 389 // Switch back to the original site 390 if ( is_multisite() ) { 391 restore_current_blog(); 392 } 393 } 394 395 /** Interception **************************************************************/ 396 397 /** 398 * Generate a default intercept value. 399 * 400 * @since 2.6.0 401 * 402 * @staticvar mixed $rand Null by default, random string on first call 403 * 404 * @return string 405 */ 406 function bbp_default_intercept() { 407 static $rand = null; 408 409 // Generate a new random and unique string 410 if ( null === $rand ) { 411 412 // If ext/hash is not present, compat.php's hash_hmac() does not support sha256. 413 $algo = function_exists( 'hash' ) 414 ? 'sha256' 415 : 'sha1'; 416 417 // Old WP installs may not have AUTH_SALT defined. 418 $salt = defined( 'AUTH_SALT' ) && AUTH_SALT 419 ? AUTH_SALT 420 : (string) wp_rand(); 421 422 // Create unique ID 423 $rand = hash_hmac( $algo, uniqid( $salt, true ), $salt ); 424 } 425 426 // Return random string (from locally static variable) 427 return $rand; 428 } 429 430 /** 431 * Whether a value has been intercepted 432 * 433 * @since 2.6.0 434 * 435 * @param bool $value 436 */ 437 function bbp_is_intercepted( $value = '' ) { 438 return ( bbp_default_intercept() !== $value ); 439 } 440 441 /** 442 * Allow interception of a method or function call. 443 * 444 * @since 2.6.0 445 * 446 * @param string $action Typically the name of the caller function 447 * @param array $args Typically the results of caller function func_get_args() 448 * 449 * @return mixed Intercept results. Default bbp_default_intercept(). 450 */ 451 function bbp_maybe_intercept( $action = '', $args = array() ) { 452 453 // Backwards compatibility juggle 454 $hook = ( false === strpos( $action, 'pre_' ) ) 455 ? "pre_{$action}" 456 : $action; 457 458 // Default value 459 $default = bbp_default_intercept(); 460 461 // Parse args 462 $r = bbp_parse_args( (array) $args, array(), 'maybe_intercept' ); 463 464 // Bail if no args 465 if ( empty( $r ) ) { 466 return $default; 467 } 468 469 // Filter 470 $args = array_merge( array( $hook ), $r ); 471 $filtered = call_user_func_array( 'apply_filters', $args ); 472 473 // Return filtered value, or default if not intercepted 474 return ( $filtered === reset( $r ) ) 475 ? $default 476 : $filtered; 477 } 478 479 /** Date/Time *****************************************************************/ 480 481 /** 482 * Get an empty datetime value. 483 * 484 * @since 2.6.6 bbPress (r7094) 485 * 486 * @return string 487 */ 488 function bbp_get_empty_datetime() { 489 490 // Get the database version 491 $db_version = bbp_db()->db_version(); 492 493 // Default return value 494 $retval = '0000-00-00 00:00:00'; 495 496 // Filter & return 497 return (string) apply_filters( 'bbp_get_default_zero_date', $retval, $db_version ); 498 }
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| Generated: Sat Dec 21 01:00:52 2024 | Cross-referenced by PHPXref 0.7.1 |