<?php
/**
 * 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
 */
function wp_initial_constants() {
    global $blog_id;

    /**#@+
     * Constants for expressing human-readable data sizes in their respective number of bytes.
     *
     * @since 4.4.0
     */
    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 );
    /**#@-*/

    $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 /* = 256M */ ) {
            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_DEBUG', true); to wp-config.php to enable display of notices during development.
    if ( !defined('WP_DEBUG') )
        define( 'WP_DEBUG', false );

    // Add define('WP_DEBUG_DISPLAY', null); to wp-config.php 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( $GLOBALS['wp_version'] ) ) {
            $develop_src = false !== strpos( $GLOBALS['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://secure.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    );
    /**#@-*/
}

/**
 * Defines plugin directory WordPress constants
 *
 * Defines must-use plugin directory constants, which may be overridden in the sunrise.php drop-in
 *
 * @since 3.0.0
 */
function wp_plugin_directory_constants() {
    if ( !defined('WP_CONTENT_URL') )
        define( 'WP_CONTENT_URL', get_option('siteurl') . '/wp-content'); // full url - WP_CONTENT_DIR is defined further up

    /**
     * Allows for the plugins directory to be moved from the default location.
     *
     * @since 2.6.0
     */
    if ( !defined('WP_PLUGIN_DIR') )
        define( 'WP_PLUGIN_DIR', WP_CONTENT_DIR . '/plugins' ); // full path, no trailing slash

    /**
     * Allows for the plugins directory to be moved from the default location.
     *
     * @since 2.6.0
     */
    if ( !defined('WP_PLUGIN_URL') )
        define( 'WP_PLUGIN_URL', WP_CONTENT_URL . '/plugins' ); // full url, no trailing slash

    /**
     * Allows for the plugins directory to be moved from the default location.
     *
     * @since 2.1.0
     * @deprecated
     */
    if ( !defined('PLUGINDIR') )
        define( 'PLUGINDIR', 'wp-content/plugins' ); // Relative to ABSPATH. For back compat.

    /**
     * Allows for the mu-plugins directory to be moved from the default location.
     *
     * @since 2.8.0
     */
    if ( !defined('WPMU_PLUGIN_DIR') )
        define( 'WPMU_PLUGIN_DIR', WP_CONTENT_DIR . '/mu-plugins' ); // full path, no trailing slash

    /**
     * Allows for the mu-plugins directory to be moved from the default location.
     *
     * @since 2.8.0
     */
    if ( !defined('WPMU_PLUGIN_URL') )
        define( 'WPMU_PLUGIN_URL', WP_CONTENT_URL . '/mu-plugins' ); // full url, no trailing slash

    /**
     * Allows for the mu-plugins directory to be moved from the default location.
     *
     * @since 2.8.0
     * @deprecated
     */
    if ( !defined( 'MUPLUGINDIR' ) )
        define( 'MUPLUGINDIR', 'wp-content/mu-plugins' ); // Relative to ABSPATH. For back compat.
}

/**
 * Defines cookie related WordPress constants
 *
 * Defines constants after multisite is loaded.
 * @since 3.0.0
 */
function wp_cookie_constants() {
    /**
     * Used to guarantee unique hash cookies
     *
     * @since 1.5.0
     */
    if ( !defined( 'COOKIEHASH' ) ) {
        $siteurl = get_site_option( 'siteurl' );
        if ( $siteurl )
            define( 'COOKIEHASH', md5( $siteurl ) );
        else
            define( 'COOKIEHASH', md5( wp_guess_url() ) );
    }

    /**
     * @since 2.0.0
     */
    if ( !defined('USER_COOKIE') )
        define('USER_COOKIE', 'wordpressuser_' . COOKIEHASH);

    /**
     * @since 2.0.0
     */
    if ( !defined('PASS_COOKIE') )
        define('PASS_COOKIE', 'wordpresspass_' . COOKIEHASH);

    /**
     * @since 2.5.0
     */
    if ( !defined('AUTH_COOKIE') )
        define('AUTH_COOKIE', 'wordpress_' . COOKIEHASH);

    /**
     * @since 2.6.0
     */
    if ( !defined('SECURE_AUTH_COOKIE') )
        define('SECURE_AUTH_COOKIE', 'wordpress_sec_' . COOKIEHASH);

    /**
     * @since 2.6.0
     */
    if ( !defined('LOGGED_IN_COOKIE') )
        define('LOGGED_IN_COOKIE', 'wordpress_logged_in_' . COOKIEHASH);

    /**
     * @since 2.3.0
     */
    if ( !defined('TEST_COOKIE') )
        define('TEST_COOKIE', 'wordpress_test_cookie');

    /**
     * @since 1.2.0
     */
    if ( !defined('COOKIEPATH') )
        define('COOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('home') . '/' ) );

    /**
     * @since 1.5.0
     */
    if ( !defined('SITECOOKIEPATH') )
        define('SITECOOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('siteurl') . '/' ) );

    /**
     * @since 2.6.0
     */
    if ( !defined('ADMIN_COOKIE_PATH') )
        define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH . 'wp-admin' );

    /**
     * @since 2.6.0
     */
    if ( !defined('PLUGINS_COOKIE_PATH') )
        define( 'PLUGINS_COOKIE_PATH', preg_replace('|https?://[^/]+|i', '', WP_PLUGIN_URL)  );

    /**
     * @since 2.0.0
     */
    if ( !defined('COOKIE_DOMAIN') )
        define('COOKIE_DOMAIN', false);
}

/**
 * Defines cookie related WordPress constants
 *
 * @since 3.0.0
 */
function wp_ssl_constants() {
    /**
     * @since 2.6.0
     */
    if ( !defined( 'FORCE_SSL_ADMIN' ) ) {
        if ( 'https' === parse_url( get_option( 'siteurl' ), PHP_URL_SCHEME ) ) {
            define( 'FORCE_SSL_ADMIN', true );
        } else {
            define( 'FORCE_SSL_ADMIN', false );
        }
    }
    force_ssl_admin( FORCE_SSL_ADMIN );

    /**
     * @since 2.6.0
     * @deprecated 4.0.0
     */
    if ( defined( 'FORCE_SSL_LOGIN' ) && FORCE_SSL_LOGIN ) {
        force_ssl_admin( true );
    }
}

/**
 * Defines functionality related WordPress constants
 *
 * @since 3.0.0
 */
function wp_functionality_constants() {
    /**
     * @since 2.5.0
     */
    if ( !defined( 'AUTOSAVE_INTERVAL' ) )
        define( 'AUTOSAVE_INTERVAL', 60 );

    /**
     * @since 2.9.0
     */
    if ( !defined( 'EMPTY_TRASH_DAYS' ) )
        define( 'EMPTY_TRASH_DAYS', 30 );

    if ( !defined('WP_POST_REVISIONS') )
        define('WP_POST_REVISIONS', true);

    /**
     * @since 3.3.0
     */
    if ( !defined( 'WP_CRON_LOCK_TIMEOUT' ) )
        define('WP_CRON_LOCK_TIMEOUT', 60);  // In seconds
}

/**
 * Defines templating related WordPress constants
 *
 * @since 3.0.0
 */
function wp_templating_constants() {
    /**
     * Filesystem path to the current active template directory
     * @since 1.5.0
     */
    define('TEMPLATEPATH', get_template_directory());

    /**
     * Filesystem path to the current active template stylesheet directory
     * @since 2.1.0
     */
    define('STYLESHEETPATH', get_stylesheet_directory());

    /**
     * Slug of the default theme for this install.
     * Used as the default theme when installing new sites.
     * It will be used as the fallback if the current theme doesn't exist.
     *
     * @since 3.0.0
     * @see WP_Theme::get_core_default_theme()
     */
    if ( !defined('WP_DEFAULT_THEME') )
        define( 'WP_DEFAULT_THEME', 'twentyseventeen' );

}