Edit File by line

__( 'https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/' )

[6000] Fix | Delete

);

[6001] Fix | Delete

[6002] Fix | Delete

$message = sprintf(

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/* translators: Developer debugging message. 1: PHP function name, 2: Explanatory message, 3: WordPress version number. */

[6004] Fix | Delete

__( 'Function %1$s was called <strong>incorrectly</strong>. %2$s %3$s' ),

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$function_name,

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$message,

[6007] Fix | Delete

$version

[6008] Fix | Delete

);

[6009] Fix | Delete

} else {

[6010] Fix | Delete

if ( $version ) {

[6011] Fix | Delete

$version = sprintf( '(This message was added in version %s.)', $version );

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}

[6013] Fix | Delete

[6014] Fix | Delete

$message .= sprintf(

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' Please see <a href="%s">Debugging in WordPress</a> for more information.',

[6016] Fix | Delete

'https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/'

[6017] Fix | Delete

);

[6018] Fix | Delete

[6019] Fix | Delete

$message = sprintf(

[6020] Fix | Delete

'Function %1$s was called <strong>incorrectly</strong>. %2$s %3$s',

[6021] Fix | Delete

$function_name,

[6022] Fix | Delete

$message,

[6023] Fix | Delete

$version

[6024] Fix | Delete

);

[6025] Fix | Delete

}

[6026] Fix | Delete

[6027] Fix | Delete

wp_trigger_error( '', $message );

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}

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}

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[6031] Fix | Delete

/**

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* Generates a user-level error/warning/notice/deprecation message.

[6033] Fix | Delete

[6034] Fix | Delete

* Generates the message when `WP_DEBUG` is true.

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[6036] Fix | Delete

* @since 6.4.0

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[6038] Fix | Delete

* @param string $function_name The function that triggered the error.

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* @param string $message The message explaining the error.

[6040] Fix | Delete

* The message can contain allowed HTML 'a' (with href), 'code',

[6041] Fix | Delete

* 'br', 'em', and 'strong' tags and http or https protocols.

[6042] Fix | Delete

* If it contains other HTML tags or protocols, the message should be escaped

[6043] Fix | Delete

* before passing to this function to avoid being stripped {@see wp_kses()}.

[6044] Fix | Delete

* @param int $error_level Optional. The designated error type for this error.

[6045] Fix | Delete

* Only works with E_USER family of constants. Default E_USER_NOTICE.

[6046] Fix | Delete

[6047] Fix | Delete

function wp_trigger_error( $function_name, $message, $error_level = E_USER_NOTICE ) {

[6048] Fix | Delete

[6049] Fix | Delete

// Bail out if WP_DEBUG is not turned on.

[6050] Fix | Delete

if ( ! WP_DEBUG ) {

[6051] Fix | Delete

return;

[6052] Fix | Delete

}

[6053] Fix | Delete

[6054] Fix | Delete

/**

[6055] Fix | Delete

* Fires when the given function triggers a user-level error/warning/notice/deprecation message.

[6056] Fix | Delete

[6057] Fix | Delete

* Can be used for debug backtracking.

[6058] Fix | Delete

[6059] Fix | Delete

* @since 6.4.0

[6060] Fix | Delete

[6061] Fix | Delete

* @param string $function_name The function that was called.

[6062] Fix | Delete

* @param string $message A message explaining what has been done incorrectly.

[6063] Fix | Delete

* @param int $error_level The designated error type for this error.

[6064] Fix | Delete

[6065] Fix | Delete

do_action( 'wp_trigger_error_run', $function_name, $message, $error_level );

[6066] Fix | Delete

[6067] Fix | Delete

if ( ! empty( $function_name ) ) {

[6068] Fix | Delete

$message = sprintf( '%s(): %s', $function_name, $message );

[6069] Fix | Delete

}

[6070] Fix | Delete

[6071] Fix | Delete

$message = wp_kses(

[6072] Fix | Delete

$message,

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array(

[6074] Fix | Delete

'a' => array( 'href' => true ),

[6075] Fix | Delete

'br' => array(),

[6076] Fix | Delete

'code' => array(),

[6077] Fix | Delete

'em' => array(),

[6078] Fix | Delete

'strong' => array(),

[6079] Fix | Delete

[6080] Fix | Delete

array( 'http', 'https' )

[6081] Fix | Delete

);

[6082] Fix | Delete

[6083] Fix | Delete

trigger_error( $message, $error_level );

[6084] Fix | Delete

}

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[6086] Fix | Delete

/**

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* Determines whether the server is running an earlier than 1.5.0 version of lighttpd.

[6088] Fix | Delete

[6089] Fix | Delete

* @since 2.5.0

[6090] Fix | Delete

[6091] Fix | Delete

* @return bool Whether the server is running lighttpd < 1.5.0.

[6092] Fix | Delete

[6093] Fix | Delete

function is_lighttpd_before_150() {

[6094] Fix | Delete

$server_parts = explode( '/', isset( $_SERVER['SERVER_SOFTWARE'] ) ? $_SERVER['SERVER_SOFTWARE'] : '' );

[6095] Fix | Delete

$server_parts[1] = isset( $server_parts[1] ) ? $server_parts[1] : '';

[6096] Fix | Delete

[6097] Fix | Delete

return ( 'lighttpd' === $server_parts[0] && -1 === version_compare( $server_parts[1], '1.5.0' ) );

[6098] Fix | Delete

}

[6099] Fix | Delete

[6100] Fix | Delete

/**

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* Determines whether the specified module exist in the Apache config.

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[6103] Fix | Delete

* @since 2.5.0

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[6105] Fix | Delete

* @global bool $is_apache

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[6107] Fix | Delete

* @param string $mod The module, e.g. mod_rewrite.

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* @param bool $default_value Optional. The default return value if the module is not found. Default false.

[6109] Fix | Delete

* @return bool Whether the specified module is loaded.

[6110] Fix | Delete

[6111] Fix | Delete

function apache_mod_loaded( $mod, $default_value = false ) {

[6112] Fix | Delete

global $is_apache;

[6113] Fix | Delete

[6114] Fix | Delete

if ( ! $is_apache ) {

[6115] Fix | Delete

return false;

[6116] Fix | Delete

}

[6117] Fix | Delete

[6118] Fix | Delete

$loaded_mods = array();

[6119] Fix | Delete

[6120] Fix | Delete

if ( function_exists( 'apache_get_modules' ) ) {

[6121] Fix | Delete

$loaded_mods = apache_get_modules();

[6122] Fix | Delete

[6123] Fix | Delete

if ( in_array( $mod, $loaded_mods, true ) ) {

[6124] Fix | Delete

return true;

[6125] Fix | Delete

}

[6126] Fix | Delete

}

[6127] Fix | Delete

[6128] Fix | Delete

if ( empty( $loaded_mods )

[6129] Fix | Delete

&& function_exists( 'phpinfo' )

[6130] Fix | Delete

&& ! str_contains( ini_get( 'disable_functions' ), 'phpinfo' )

[6131] Fix | Delete

) {

[6132] Fix | Delete

ob_start();

[6133] Fix | Delete

phpinfo( INFO_MODULES );

[6134] Fix | Delete

$phpinfo = ob_get_clean();

[6135] Fix | Delete

[6136] Fix | Delete

if ( str_contains( $phpinfo, $mod ) ) {

[6137] Fix | Delete

return true;

[6138] Fix | Delete

}

[6139] Fix | Delete

}

[6140] Fix | Delete

[6141] Fix | Delete

return $default_value;

[6142] Fix | Delete

}

[6143] Fix | Delete

[6144] Fix | Delete

/**

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* Checks if IIS 7+ supports pretty permalinks.

[6146] Fix | Delete

[6147] Fix | Delete

* @since 2.8.0

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[6149] Fix | Delete

* @global bool $is_iis7

[6150] Fix | Delete

[6151] Fix | Delete

* @return bool Whether IIS7 supports permalinks.

[6152] Fix | Delete

[6153] Fix | Delete

function iis7_supports_permalinks() {

[6154] Fix | Delete

global $is_iis7;

[6155] Fix | Delete

[6156] Fix | Delete

$supports_permalinks = false;

[6157] Fix | Delete

if ( $is_iis7 ) {

[6158] Fix | Delete

/* First we check if the DOMDocument class exists. If it does not exist, then we cannot

[6159] Fix | Delete

* easily update the xml configuration file, hence we just bail out and tell user that

[6160] Fix | Delete

* pretty permalinks cannot be used.

[6161] Fix | Delete

[6162] Fix | Delete

* Next we check if the URL Rewrite Module 1.1 is loaded and enabled for the website. When

[6163] Fix | Delete

* URL Rewrite 1.1 is loaded it always sets a server variable called 'IIS_UrlRewriteModule'.

[6164] Fix | Delete

* Lastly we make sure that PHP is running via FastCGI. This is important because if it runs

[6165] Fix | Delete

* via ISAPI then pretty permalinks will not work.

[6166] Fix | Delete

[6167] Fix | Delete

$supports_permalinks = class_exists( 'DOMDocument', false ) && isset( $_SERVER['IIS_UrlRewriteModule'] ) && ( 'cgi-fcgi' === PHP_SAPI );

[6168] Fix | Delete

}

[6169] Fix | Delete

[6170] Fix | Delete

/**

[6171] Fix | Delete

* Filters whether IIS 7+ supports pretty permalinks.

[6172] Fix | Delete

[6173] Fix | Delete

* @since 2.8.0

[6174] Fix | Delete

[6175] Fix | Delete

* @param bool $supports_permalinks Whether IIS7 supports permalinks. Default false.

[6176] Fix | Delete

[6177] Fix | Delete

return apply_filters( 'iis7_supports_permalinks', $supports_permalinks );

[6178] Fix | Delete

}

[6179] Fix | Delete

[6180] Fix | Delete

/**

[6181] Fix | Delete

* Validates a file name and path against an allowed set of rules.

[6182] Fix | Delete

[6183] Fix | Delete

* A return value of `1` means the file path contains directory traversal.

[6184] Fix | Delete

[6185] Fix | Delete

* A return value of `2` means the file path contains a Windows drive path.

[6186] Fix | Delete

[6187] Fix | Delete

* A return value of `3` means the file is not in the allowed files list.

[6188] Fix | Delete

[6189] Fix | Delete

* @since 1.2.0

[6190] Fix | Delete

[6191] Fix | Delete

* @param string $file File path.

[6192] Fix | Delete

* @param string[] $allowed_files Optional. Array of allowed files. Default empty array.

[6193] Fix | Delete

* @return int 0 means nothing is wrong, greater than 0 means something was wrong.

[6194] Fix | Delete

[6195] Fix | Delete

function validate_file( $file, $allowed_files = array() ) {

[6196] Fix | Delete

if ( ! is_scalar( $file ) || '' === $file ) {

[6197] Fix | Delete

return 0;

[6198] Fix | Delete

}

[6199] Fix | Delete

[6200] Fix | Delete

// Normalize path for Windows servers.

[6201] Fix | Delete

$file = wp_normalize_path( $file );

[6202] Fix | Delete

// Normalize path for $allowed_files as well so it's an apples to apples comparison.

[6203] Fix | Delete

$allowed_files = array_map( 'wp_normalize_path', $allowed_files );

[6204] Fix | Delete

[6205] Fix | Delete

// `../` on its own is not allowed:

[6206] Fix | Delete

if ( '../' === $file ) {

[6207] Fix | Delete

return 1;

[6208] Fix | Delete

}

[6209] Fix | Delete

[6210] Fix | Delete

// More than one occurrence of `../` is not allowed:

[6211] Fix | Delete

if ( preg_match_all( '#\.\./#', $file, $matches, PREG_SET_ORDER ) && ( count( $matches ) > 1 ) ) {

[6212] Fix | Delete

return 1;

[6213] Fix | Delete

}

[6214] Fix | Delete

[6215] Fix | Delete

// `../` which does not occur at the end of the path is not allowed:

[6216] Fix | Delete

if ( str_contains( $file, '../' ) && '../' !== mb_substr( $file, -3, 3 ) ) {

[6217] Fix | Delete

return 1;

[6218] Fix | Delete

}

[6219] Fix | Delete

[6220] Fix | Delete

// Files not in the allowed file list are not allowed:

[6221] Fix | Delete

if ( ! empty( $allowed_files ) && ! in_array( $file, $allowed_files, true ) ) {

[6222] Fix | Delete

return 3;

[6223] Fix | Delete

}

[6224] Fix | Delete

[6225] Fix | Delete

// Absolute Windows drive paths are not allowed:

[6226] Fix | Delete

if ( ':' === substr( $file, 1, 1 ) ) {

[6227] Fix | Delete

return 2;

[6228] Fix | Delete

}

[6229] Fix | Delete

[6230] Fix | Delete

return 0;

[6231] Fix | Delete

}

[6232] Fix | Delete

[6233] Fix | Delete

/**

[6234] Fix | Delete

* Determines whether to force SSL used for the Administration Screens.

[6235] Fix | Delete

[6236] Fix | Delete

* @since 2.6.0

[6237] Fix | Delete

[6238] Fix | Delete

* @param string|bool $force Optional. Whether to force SSL in admin screens. Default null.

[6239] Fix | Delete

* @return bool True if forced, false if not forced.

[6240] Fix | Delete

[6241] Fix | Delete

function force_ssl_admin( $force = null ) {

[6242] Fix | Delete

static $forced = false;

[6243] Fix | Delete

[6244] Fix | Delete

if ( ! is_null( $force ) ) {

[6245] Fix | Delete

$old_forced = $forced;

[6246] Fix | Delete

$forced = $force;

[6247] Fix | Delete

return $old_forced;

[6248] Fix | Delete

}

[6249] Fix | Delete

[6250] Fix | Delete

return $forced;

[6251] Fix | Delete

}

[6252] Fix | Delete

[6253] Fix | Delete

/**

[6254] Fix | Delete

* Guesses the URL for the site.

[6255] Fix | Delete

[6256] Fix | Delete

* Will remove wp-admin links to retrieve only return URLs not in the wp-admin

[6257] Fix | Delete

* directory.

[6258] Fix | Delete

[6259] Fix | Delete

* @since 2.6.0

[6260] Fix | Delete

[6261] Fix | Delete

* @return string The guessed URL.

[6262] Fix | Delete

[6263] Fix | Delete

function wp_guess_url() {

[6264] Fix | Delete

if ( defined( 'WP_SITEURL' ) && '' !== WP_SITEURL ) {

[6265] Fix | Delete

$url = WP_SITEURL;

[6266] Fix | Delete

} else {

[6267] Fix | Delete

$abspath_fix = str_replace( '\\', '/', ABSPATH );

[6268] Fix | Delete

$script_filename_dir = dirname( $_SERVER['SCRIPT_FILENAME'] );

[6269] Fix | Delete

[6270] Fix | Delete

// The request is for the admin.

[6271] Fix | Delete

if ( str_contains( $_SERVER['REQUEST_URI'], 'wp-admin' ) || str_contains( $_SERVER['REQUEST_URI'], 'wp-login.php' ) ) {

[6272] Fix | Delete

$path = preg_replace( '#/(wp-admin/?.*|wp-login\.php.*)#i', '', $_SERVER['REQUEST_URI'] );

[6273] Fix | Delete

[6274] Fix | Delete

// The request is for a file in ABSPATH.

[6275] Fix | Delete

} elseif ( $script_filename_dir . '/' === $abspath_fix ) {

[6276] Fix | Delete

// Strip off any file/query params in the path.

[6277] Fix | Delete

$path = preg_replace( '#/[^/]*$#i', '', $_SERVER['PHP_SELF'] );

[6278] Fix | Delete

[6279] Fix | Delete

} else {

[6280] Fix | Delete

if ( str_contains( $_SERVER['SCRIPT_FILENAME'], $abspath_fix ) ) {

[6281] Fix | Delete

// Request is hitting a file inside ABSPATH.

[6282] Fix | Delete

$directory = str_replace( ABSPATH, '', $script_filename_dir );

[6283] Fix | Delete

// Strip off the subdirectory, and any file/query params.

[6284] Fix | Delete

$path = preg_replace( '#/' . preg_quote( $directory, '#' ) . '/[^/]*$#i', '', $_SERVER['REQUEST_URI'] );

[6285] Fix | Delete

} elseif ( str_contains( $abspath_fix, $script_filename_dir ) ) {

[6286] Fix | Delete

// Request is hitting a file above ABSPATH.

[6287] Fix | Delete

$subdirectory = substr( $abspath_fix, strpos( $abspath_fix, $script_filename_dir ) + strlen( $script_filename_dir ) );

[6288] Fix | Delete

// Strip off any file/query params from the path, appending the subdirectory to the installation.

[6289] Fix | Delete

$path = preg_replace( '#/[^/]*$#i', '', $_SERVER['REQUEST_URI'] ) . $subdirectory;

[6290] Fix | Delete

} else {

[6291] Fix | Delete

$path = $_SERVER['REQUEST_URI'];

[6292] Fix | Delete

}

[6293] Fix | Delete

}

[6294] Fix | Delete

[6295] Fix | Delete

$schema = is_ssl() ? 'https://' : 'http://'; // set_url_scheme() is not defined yet.

[6296] Fix | Delete

$url = $schema . $_SERVER['HTTP_HOST'] . $path;

[6297] Fix | Delete

}

[6298] Fix | Delete

[6299] Fix | Delete

return rtrim( $url, '/' );

[6300] Fix | Delete

}

[6301] Fix | Delete

[6302] Fix | Delete

/**

[6303] Fix | Delete

* Temporarily suspends cache additions.

[6304] Fix | Delete

[6305] Fix | Delete

* Stops more data being added to the cache, but still allows cache retrieval.

[6306] Fix | Delete

* This is useful for actions, such as imports, when a lot of data would otherwise

[6307] Fix | Delete

* be almost uselessly added to the cache.

[6308] Fix | Delete

[6309] Fix | Delete

* Suspension lasts for a single page load at most. Remember to call this

[6310] Fix | Delete

* function again if you wish to re-enable cache adds earlier.

[6311] Fix | Delete

[6312] Fix | Delete

* @since 3.3.0

[6313] Fix | Delete

[6314] Fix | Delete

* @param bool $suspend Optional. Suspends additions if true, re-enables them if false.

[6315] Fix | Delete

* Defaults to not changing the current setting.

[6316] Fix | Delete

* @return bool The current suspend setting.

[6317] Fix | Delete

[6318] Fix | Delete

function wp_suspend_cache_addition( $suspend = null ) {

[6319] Fix | Delete

static $_suspend = false;

[6320] Fix | Delete

[6321] Fix | Delete

if ( is_bool( $suspend ) ) {

[6322] Fix | Delete

$_suspend = $suspend;

[6323] Fix | Delete

}

[6324] Fix | Delete

[6325] Fix | Delete

return $_suspend;

[6326] Fix | Delete

}

[6327] Fix | Delete

[6328] Fix | Delete

/**

[6329] Fix | Delete

* Suspends cache invalidation.

[6330] Fix | Delete

[6331] Fix | Delete

* Turns cache invalidation on and off. Useful during imports where you don't want to do

[6332] Fix | Delete

* invalidations every time a post is inserted. Callers must be sure that what they are

[6333] Fix | Delete

* doing won't lead to an inconsistent cache when invalidation is suspended.

[6334] Fix | Delete

[6335] Fix | Delete

* @since 2.7.0

[6336] Fix | Delete

[6337] Fix | Delete

* @global bool $_wp_suspend_cache_invalidation

[6338] Fix | Delete

[6339] Fix | Delete

* @param bool $suspend Optional. Whether to suspend or enable cache invalidation. Default true.

[6340] Fix | Delete

* @return bool The current suspend setting.

[6341] Fix | Delete

[6342] Fix | Delete

function wp_suspend_cache_invalidation( $suspend = true ) {

[6343] Fix | Delete

global $_wp_suspend_cache_invalidation;

[6344] Fix | Delete

[6345] Fix | Delete

$current_suspend = $_wp_suspend_cache_invalidation;

[6346] Fix | Delete

$_wp_suspend_cache_invalidation = $suspend;

[6347] Fix | Delete

return $current_suspend;

[6348] Fix | Delete

}

[6349] Fix | Delete

[6350] Fix | Delete

/**

[6351] Fix | Delete

* Determines whether a site is the main site of the current network.

[6352] Fix | Delete

[6353] Fix | Delete

* @since 3.0.0

[6354] Fix | Delete

* @since 4.9.0 The `$network_id` parameter was added.

[6355] Fix | Delete

[6356] Fix | Delete

* @param int $site_id Optional. Site ID to test. Defaults to current site.

[6357] Fix | Delete

* @param int $network_id Optional. Network ID of the network to check for.

[6358] Fix | Delete

* Defaults to current network.

[6359] Fix | Delete

* @return bool True if $site_id is the main site of the network, or if not

[6360] Fix | Delete

* running Multisite.

[6361] Fix | Delete

[6362] Fix | Delete

function is_main_site( $site_id = null, $network_id = null ) {

[6363] Fix | Delete

if ( ! is_multisite() ) {

[6364] Fix | Delete

return true;

[6365] Fix | Delete

}

[6366] Fix | Delete

[6367] Fix | Delete

if ( ! $site_id ) {

[6368] Fix | Delete

$site_id = get_current_blog_id();

[6369] Fix | Delete

}

[6370] Fix | Delete

[6371] Fix | Delete

$site_id = (int) $site_id;

[6372] Fix | Delete

[6373] Fix | Delete

return get_main_site_id( $network_id ) === $site_id;

[6374] Fix | Delete

}

[6375] Fix | Delete

[6376] Fix | Delete

/**

[6377] Fix | Delete

* Gets the main site ID.

[6378] Fix | Delete

[6379] Fix | Delete

* @since 4.9.0

[6380] Fix | Delete

[6381] Fix | Delete

* @param int $network_id Optional. The ID of the network for which to get the main site.

[6382] Fix | Delete

* Defaults to the current network.

[6383] Fix | Delete

* @return int The ID of the main site.

[6384] Fix | Delete

[6385] Fix | Delete

function get_main_site_id( $network_id = null ) {

[6386] Fix | Delete

if ( ! is_multisite() ) {

[6387] Fix | Delete

return get_current_blog_id();

[6388] Fix | Delete

}

[6389] Fix | Delete

[6390] Fix | Delete

$network = get_network( $network_id );

[6391] Fix | Delete

if ( ! $network ) {

[6392] Fix | Delete

return 0;

[6393] Fix | Delete

}

[6394] Fix | Delete

[6395] Fix | Delete

return $network->site_id;

[6396] Fix | Delete

}

[6397] Fix | Delete

[6398] Fix | Delete

/**

[6399] Fix | Delete

* Determines whether a network is the main network of the Multisite installation.

[6400] Fix | Delete

[6401] Fix | Delete

* @since 3.7.0

[6402] Fix | Delete

[6403] Fix | Delete

* @param int $network_id Optional. Network ID to test. Defaults to current network.

[6404] Fix | Delete

* @return bool True if $network_id is the main network, or if not running Multisite.

[6405] Fix | Delete

[6406] Fix | Delete

function is_main_network( $network_id = null ) {

[6407] Fix | Delete

if ( ! is_multisite() ) {

[6408] Fix | Delete

return true;

[6409] Fix | Delete

}

[6410] Fix | Delete

[6411] Fix | Delete

if ( null === $network_id ) {

[6412] Fix | Delete

$network_id = get_current_network_id();

[6413] Fix | Delete

}

[6414] Fix | Delete

[6415] Fix | Delete

$network_id = (int) $network_id;

[6416] Fix | Delete

[6417] Fix | Delete

return ( get_main_network_id() === $network_id );

[6418] Fix | Delete

}

[6419] Fix | Delete

[6420] Fix | Delete

/**

[6421] Fix | Delete

* Gets the main network ID.

[6422] Fix | Delete

[6423] Fix | Delete

* @since 4.3.0

[6424] Fix | Delete

[6425] Fix | Delete

* @return int The ID of the main network.

[6426] Fix | Delete

[6427] Fix | Delete

function get_main_network_id() {

[6428] Fix | Delete

if ( ! is_multisite() ) {

[6429] Fix | Delete

return 1;

[6430] Fix | Delete

}

[6431] Fix | Delete

[6432] Fix | Delete

$current_network = get_network();

[6433] Fix | Delete

[6434] Fix | Delete

if ( defined( 'PRIMARY_NETWORK_ID' ) ) {

[6435] Fix | Delete

$main_network_id = PRIMARY_NETWORK_ID;

[6436] Fix | Delete

} elseif ( isset( $current_network->id ) && 1 === (int) $current_network->id ) {

[6437] Fix | Delete

// If the current network has an ID of 1, assume it is the main network.

[6438] Fix | Delete

$main_network_id = 1;

[6439] Fix | Delete

} else {

[6440] Fix | Delete

$_networks = get_networks(

[6441] Fix | Delete

array(

[6442] Fix | Delete

'fields' => 'ids',

[6443] Fix | Delete

'number' => 1,

[6444] Fix | Delete

)

[6445] Fix | Delete

);

[6446] Fix | Delete

$main_network_id = array_shift( $_networks );

[6447] Fix | Delete

}

[6448] Fix | Delete

[6449] Fix | Delete

/**

[6450] Fix | Delete

* Filters the main network ID.

[6451] Fix | Delete

[6452] Fix | Delete

* @since 4.3.0

[6453] Fix | Delete

[6454] Fix | Delete

* @param int $main_network_id The ID of the main network.

[6455] Fix | Delete

[6456] Fix | Delete

return (int) apply_filters( 'get_main_network_id', $main_network_id );

[6457] Fix | Delete

}

[6458] Fix | Delete

[6459] Fix | Delete

/**

[6460] Fix | Delete

* Determines whether site meta is enabled.

[6461] Fix | Delete

[6462] Fix | Delete

* This function checks whether the 'blogmeta' database table exists. The result is saved as

[6463] Fix | Delete

* a setting for the main network, making it essentially a global setting. Subsequent requests

[6464] Fix | Delete

* will refer to this setting instead of running the query.

[6465] Fix | Delete

[6466] Fix | Delete

* @since 5.1.0

[6467] Fix | Delete

[6468] Fix | Delete

* @global wpdb $wpdb WordPress database abstraction object.

[6469] Fix | Delete

[6470] Fix | Delete

* @return bool True if site meta is supported, false otherwise.

[6471] Fix | Delete

[6472] Fix | Delete

function is_site_meta_supported() {

[6473] Fix | Delete

global $wpdb;

[6474] Fix | Delete

[6475] Fix | Delete

if ( ! is_multisite() ) {

[6476] Fix | Delete

return false;

[6477] Fix | Delete

}

[6478] Fix | Delete

[6479] Fix | Delete

$network_id = get_main_network_id();

[6480] Fix | Delete

[6481] Fix | Delete

$supported = get_network_option( $network_id, 'site_meta_supported', false );

[6482] Fix | Delete

if ( false === $supported ) {

[6483] Fix | Delete

$supported = $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->blogmeta}'" ) ? 1 : 0;

[6484] Fix | Delete

[6485] Fix | Delete

update_network_option( $network_id, 'site_meta_supported', $supported );

[6486] Fix | Delete

}

[6487] Fix | Delete

[6488] Fix | Delete

return (bool) $supported;

[6489] Fix | Delete

}

[6490] Fix | Delete

[6491] Fix | Delete

/**

[6492] Fix | Delete

* Modifies gmt_offset for smart timezone handling.

[6493] Fix | Delete

[6494] Fix | Delete

* Overrides the gmt_offset option if we have a timezone_string available.

[6495] Fix | Delete

[6496] Fix | Delete

* @since 2.8.0

[6497] Fix | Delete

[6498] Fix | Delete

* @return float|false Timezone GMT offset, false otherwise.

[6499] Fix | Delete

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