<?php

/**

 * These functions are needed to load WordPress.

 *

 * @package WordPress

 */

/**

 * Return the HTTP protocol sent by the server.

 *

 * @since 4.4.0

 *

 * @return string The HTTP protocol. Default: HTTP/1.0.

 */

function wp_get_server_protocol() {

		$protocol = 'HTTP/1.0';

	}

	return $protocol;

}

/**

 * Fix `$_SERVER` variables for various setups.

 *

 * @since 3.0.0

 * @access private

 *

 * @global string $PHP_SELF The filename of the currently executing script,

 *                          relative to the document root.

 */

function wp_fix_server_vars() {

	global $PHP_SELF;

	$default_server_values = array(

		'SERVER_SOFTWARE' => '',

		'REQUEST_URI'     => '',

	);

	$_SERVER = array_merge( $default_server_values, $_SERVER );

		if ( isset( $_SERVER['HTTP_X_ORIGINAL_URL'] ) ) {

			$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_ORIGINAL_URL'];

		} elseif ( isset( $_SERVER['HTTP_X_REWRITE_URL'] ) ) {

			$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_REWRITE_URL'];

		} else {

			if ( ! isset( $_SERVER['PATH_INFO'] ) && isset( $_SERVER['ORIG_PATH_INFO'] ) ) {

				$_SERVER['PATH_INFO'] = $_SERVER['ORIG_PATH_INFO'];

			}

			if ( isset( $_SERVER['PATH_INFO'] ) ) {

				if ( $_SERVER['PATH_INFO'] == $_SERVER['SCRIPT_NAME'] ) {

					$_SERVER['REQUEST_URI'] = $_SERVER['PATH_INFO'];

				} else {

					$_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] . $_SERVER['PATH_INFO'];

				}

			}

			if ( ! empty( $_SERVER['QUERY_STRING'] ) ) {

				$_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING'];

			}

		}

	}

	if ( isset( $_SERVER['SCRIPT_FILENAME'] ) && ( strpos( $_SERVER['SCRIPT_FILENAME'], 'php.cgi' ) == strlen( $_SERVER['SCRIPT_FILENAME'] ) - 7 ) ) {

		$_SERVER['SCRIPT_FILENAME'] = $_SERVER['PATH_TRANSLATED'];

	}

	if ( strpos( $_SERVER['SCRIPT_NAME'], 'php.cgi' ) !== false ) {

		unset( $_SERVER['PATH_INFO'] );

	}

	$PHP_SELF = $_SERVER['PHP_SELF'];

	if ( empty( $PHP_SELF ) ) {

	}

}

/**

 * Check for the required PHP version, and the MySQL extension or

 * a database drop-in.

 *

 * Dies if requirements are not met.

 *

 * @since 3.0.0

 * @access private

 *

 * @global string $required_php_version The required PHP version string.

 * @global string $wp_version           The WordPress version string.

 */

function wp_check_php_mysql_versions() {

	global $required_php_version, $wp_version;

	$php_version = phpversion();

	if ( version_compare( $required_php_version, $php_version, '>' ) ) {

		$protocol = wp_get_server_protocol();

		header( sprintf( '%s 500 Internal Server Error', $protocol ), true, 500 );

		header( 'Content-Type: text/html; charset=utf-8' );

		exit( 1 );

	}

	if ( ! extension_loaded( 'mysql' ) && ! extension_loaded( 'mysqli' ) && ! extension_loaded( 'mysqlnd' ) && ! file_exists( WP_CONTENT_DIR . '/db.php' ) ) {

		wp_load_translations_early();

		$args = array(

			'exit' => false,

			'code' => 'mysql_not_found',

		);

		wp_die(

			__( 'Your PHP installation appears to be missing the MySQL extension which is required by WordPress.' ),

			$args

		);

		exit( 1 );

	}

}

/**

 * Don't load all of WordPress when handling a favicon.ico request.

 *

 * Instead, send the headers for a zero-length favicon and bail.

 *

 * @since 3.0.0

 */

function wp_favicon_request() {

		header( 'Content-Type: image/vnd.microsoft.icon' );

		exit;

	}

}

/**

 * Die with a maintenance message when conditions are met.

 *

 * The default message can be replaced by using a drop-in (maintenance.php in

 * the wp-content directory).

 *

 * @since 3.0.0

 * @access private

 */

function wp_maintenance() {

		return;

	}

	global $upgrading;

	}

	/**

	 * Filters whether to enable maintenance mode.

	 *

	 * This filter runs before it can be used by plugins. It is designed for

	 * non-web runtimes. If this filter returns true, maintenance mode will be

	 * active and the request will end. If false, the request will be allowed to

	 * continue processing even if maintenance mode should be active.

	 *

	 * @since 4.6.0

	 *

	 * @param bool $enable_checks Whether to enable maintenance mode. Default true.

	 * @param int  $upgrading     The timestamp set in the .maintenance file.

	 */

	if ( ! apply_filters( 'enable_maintenance_mode', true, $upgrading ) ) {

	}

}

/**

 * Start the WordPress micro-timer.

 *

 * @since 0.71

 * @access private

 *

 * @global float $timestart Unix timestamp set at the beginning of the page load.

 * @see timer_stop()

 *

 * @return bool Always returns true.

 */

function timer_start() {

	global $timestart;

	$timestart = microtime( true );

	return true;

}

/**

 * Retrieve or display the time from the page start to when function is called.

 *

 * @since 0.71

 *

 * @global float   $timestart Seconds from when timer_start() is called.

 * @global float   $timeend   Seconds from when function is called.

 *

 * @param int|bool $display   Whether to echo or return the results. Accepts 0|false for return,

 *                            1|true for echo. Default 0|false.

 * @param int      $precision The number of digits from the right of the decimal to display.

 *                            Default 3.

 * @return string The "second.microsecond" finished time calculation. The number is formatted

 *                for human consumption, both localized and rounded.

 */

function timer_stop( $display = 0, $precision = 3 ) {

	global $timestart, $timeend;

	$timeend   = microtime( true );

	$timetotal = $timeend - $timestart;

	$r         = ( function_exists( 'number_format_i18n' ) ) ? number_format_i18n( $timetotal, $precision ) : number_format( $timetotal, $precision );

	if ( $display ) {

		echo $r;

	}

	return $r;

}

/**

 * Set PHP error reporting based on WordPress debug settings.

 *

 * Uses three constants: `WP_DEBUG`, `WP_DEBUG_DISPLAY`, and `WP_DEBUG_LOG`.

 * All three can be defined in wp-config.php. By default, `WP_DEBUG` and

 * `WP_DEBUG_LOG` are set to false, and `WP_DEBUG_DISPLAY` is set to true.

 *

 * When `WP_DEBUG` is true, all PHP notices are reported. WordPress will also

 * display internal notices: when a deprecated WordPress function, function

 * argument, or file is used. Deprecated code may be removed from a later

 * version.

 *

 * It is strongly recommended that plugin and theme developers use `WP_DEBUG`

 * in their development environments.

 *

 * `WP_DEBUG_DISPLAY` and `WP_DEBUG_LOG` perform no function unless `WP_DEBUG`

 * is true.

 *

 * When `WP_DEBUG_DISPLAY` is true, WordPress will force errors to be displayed.

 * `WP_DEBUG_DISPLAY` defaults to true. Defining it as null prevents WordPress

 * from changing the global configuration setting. Defining `WP_DEBUG_DISPLAY`

 * as false will force errors to be hidden.

 *

 * When `WP_DEBUG_LOG` is true, errors will be logged to `wp-content/debug.log`.

 * When `WP_DEBUG_LOG` is a valid path, errors will be logged to the specified file.

 *

 * Errors are never displayed for XML-RPC, REST, and Ajax requests.

 *

 * @since 3.0.0

 * @since 5.1.0 `WP_DEBUG_LOG` can be a file path.

 * @access private

 */

function wp_debug_mode() {

	/**

	 * Filters whether to allow the debug mode check to occur.

	 *

	 * This filter runs before it can be used by plugins. It is designed for

	 * non-web run-times. Returning false causes the `WP_DEBUG` and related

	 * will be used unless you take care to update them yourself.

	 *

	 * @since 4.6.0

	 *

	 * @param bool $enable_debug_mode Whether to enable debug mode checks to occur. Default true.

	 */

	if ( ! apply_filters( 'enable_wp_debug_mode_checks', true ) ) {

		return;

	}

	if ( WP_DEBUG ) {

		error_reporting( E_ALL );

		if ( WP_DEBUG_DISPLAY ) {

			ini_set( 'display_errors', 1 );

		} elseif ( null !== WP_DEBUG_DISPLAY ) {

			ini_set( 'display_errors', 0 );

		}

		if ( in_array( strtolower( (string) WP_DEBUG_LOG ), array( 'true', '1' ), true ) ) {

			$log_path = WP_CONTENT_DIR . '/debug.log';

		} elseif ( is_string( WP_DEBUG_LOG ) ) {

			$log_path = WP_DEBUG_LOG;

		} else {

			$log_path = false;

		}

		if ( $log_path ) {

			ini_set( 'log_errors', 1 );

			ini_set( 'error_log', $log_path );

		}

	} else {

		error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );

	}

	if ( defined( 'XMLRPC_REQUEST' ) || defined( 'REST_REQUEST' ) || ( defined( 'WP_INSTALLING' ) && WP_INSTALLING ) || wp_doing_ajax() || wp_is_json_request() ) {

	}

}

/**

 * Set the location of the language directory.

 *

 * To set directory manually, define the `WP_LANG_DIR` constant

 * in wp-config.php.

 *