WordPress Version: 6.3
/**
* Defines constants and global variables that can be overridden, generally in wp-config.php.
*
* @package WordPress
*/
/**
* Defines initial WordPress constants.
*
* @see wp_debug_mode()
*
* @since 3.0.0
*
* @global int $blog_id The current site ID.
* @global string $wp_version The WordPress version string.
*/
function wp_initial_constants()
{
global $blog_id, $wp_version;
/**#@+
* Constants for expressing human-readable data sizes in their respective number of bytes.
*
* @since 4.4.0
* @since 6.0.0 `PB_IN_BYTES`, `EB_IN_BYTES`, `ZB_IN_BYTES`, and `YB_IN_BYTES` were added.
*/
define('KB_IN_BYTES', 1024);
define('MB_IN_BYTES', 1024 * KB_IN_BYTES);
define('GB_IN_BYTES', 1024 * MB_IN_BYTES);
define('TB_IN_BYTES', 1024 * GB_IN_BYTES);
define('PB_IN_BYTES', 1024 * TB_IN_BYTES);
define('EB_IN_BYTES', 1024 * PB_IN_BYTES);
define('ZB_IN_BYTES', 1024 * EB_IN_BYTES);
define('YB_IN_BYTES', 1024 * ZB_IN_BYTES);
/**#@-*/
// Start of run timestamp.
if (!defined('WP_START_TIMESTAMP')) {
define('WP_START_TIMESTAMP', microtime(true));
}
$current_limit = ini_get('memory_limit');
$current_limit_int = wp_convert_hr_to_bytes($current_limit);
// Define memory limits.
if (!defined('WP_MEMORY_LIMIT')) {
if (false === wp_is_ini_value_changeable('memory_limit')) {
define('WP_MEMORY_LIMIT', $current_limit);
} elseif (is_multisite()) {
define('WP_MEMORY_LIMIT', '64M');
} else {
define('WP_MEMORY_LIMIT', '40M');
}
}
if (!defined('WP_MAX_MEMORY_LIMIT')) {
if (false === wp_is_ini_value_changeable('memory_limit')) {
define('WP_MAX_MEMORY_LIMIT', $current_limit);
} elseif (-1 === $current_limit_int || $current_limit_int > 268435456) {
define('WP_MAX_MEMORY_LIMIT', $current_limit);
} else {
define('WP_MAX_MEMORY_LIMIT', '256M');
}
}
// Set memory limits.
$wp_limit_int = wp_convert_hr_to_bytes(WP_MEMORY_LIMIT);
if (-1 !== $current_limit_int && (-1 === $wp_limit_int || $wp_limit_int > $current_limit_int)) {
ini_set('memory_limit', WP_MEMORY_LIMIT);
}
if (!isset($blog_id)) {
$blog_id = 1;
}
if (!defined('WP_CONTENT_DIR')) {
define('WP_CONTENT_DIR', ABSPATH . 'wp-content');
// No trailing slash, full paths only - WP_CONTENT_URL is defined further down.
}
/*
* Add define( 'WP_DEVELOPMENT_MODE', 'core' ), or define( 'WP_DEVELOPMENT_MODE', 'plugin' ), or
* define( 'WP_DEVELOPMENT_MODE', 'theme' ), or define( 'WP_DEVELOPMENT_MODE', 'all' ) to wp-config.php
* to signify development mode for WordPress core, a plugin, a theme, or all three types respectively.
*/
if (!defined('WP_DEVELOPMENT_MODE')) {
define('WP_DEVELOPMENT_MODE', '');
}
// Add define( 'WP_DEBUG', true ); to wp-config.php to enable display of notices during development.
if (!defined('WP_DEBUG')) {
if (wp_get_development_mode() || 'development' === wp_get_environment_type()) {
define('WP_DEBUG', true);
} else {
define('WP_DEBUG', false);
}
}
/*
* Add define( 'WP_DEBUG_DISPLAY', null ); to wp-config.php to use the globally configured setting
* for 'display_errors' and not force errors to be displayed. Use false to force 'display_errors' off.
*/
if (!defined('WP_DEBUG_DISPLAY')) {
define('WP_DEBUG_DISPLAY', true);
}
// Add define( 'WP_DEBUG_LOG', true ); to enable error logging to wp-content/debug.log.
if (!defined('WP_DEBUG_LOG')) {
define('WP_DEBUG_LOG', false);
}
if (!defined('WP_CACHE')) {
define('WP_CACHE', false);
}
/*
* Add define( 'SCRIPT_DEBUG', true ); to wp-config.php to enable loading of non-minified,
* non-concatenated scripts and stylesheets.
*/
if (!defined('SCRIPT_DEBUG')) {
if (!empty($wp_version)) {
$develop_src = str_contains($wp_version, '-src');
} else {
$develop_src = false;
}
define('SCRIPT_DEBUG', $develop_src);
}
/**
* Private
*/
if (!defined('MEDIA_TRASH')) {
define('MEDIA_TRASH', false);
}
if (!defined('SHORTINIT')) {
define('SHORTINIT', false);
}
// Constants for features added to WP that should short-circuit their plugin implementations.
define('WP_FEATURE_BETTER_PASSWORDS', true);
/**#@+
* Constants for expressing human-readable intervals
* in their respective number of seconds.
*
* Please note that these values are approximate and are provided for convenience.
* For example, MONTH_IN_SECONDS wrongly assumes every month has 30 days and
* YEAR_IN_SECONDS does not take leap years into account.
*
* If you need more accuracy please consider using the DateTime class (https://www.php.net/manual/en/class.datetime.php).
*
* @since 3.5.0
* @since 4.4.0 Introduced `MONTH_IN_SECONDS`.
*/
define('MINUTE_IN_SECONDS', 60);
define('HOUR_IN_SECONDS', 60 * MINUTE_IN_SECONDS);
define('DAY_IN_SECONDS', 24 * HOUR_IN_SECONDS);
define('WEEK_IN_SECONDS', 7 * DAY_IN_SECONDS);
define('MONTH_IN_SECONDS', 30 * DAY_IN_SECONDS);
define('YEAR_IN_SECONDS', 365 * DAY_IN_SECONDS);
/**#@-*/
}