<?php

/**

 * These functions can be replaced via plugins. If plugins do not redefine these

 * functions, then these will be used instead.

 *

 * @package WordPress

 */

if ( !function_exists('wp_set_current_user') ) :

/**

 * Changes the current user by ID or name.

 *

 * Set $id to null and specify a name if you do not know a user's ID.

 *

 * Some WordPress functionality is based on the current user and not based on

 * the signed in user. Therefore, it opens the ability to edit and perform

 * actions on users who aren't signed in.

 *

 * @since 2.0.3

 * @global object $current_user The current user object which holds the user data.

 * @uses do_action() Calls 'set_current_user' hook after setting the current user.

 *

 * @param int $id User ID

 * @param string $name User's username

 * @return WP_User Current user User object

 */

function wp_set_current_user($id, $name = '') {

	global $current_user;

		return $current_user;

	do_action('set_current_user');

	return $current_user;

}

endif;

if ( !function_exists('wp_get_current_user') ) :

/**

 * Retrieve the current user object.

 *

 * @since 2.0.3

 *

 * @return WP_User Current user WP_User object

 */

function wp_get_current_user() {

	global $current_user;

	get_currentuserinfo();

	return $current_user;

}

endif;

if ( !function_exists('get_currentuserinfo') ) :

/**

 * Populate global variables with information about the currently logged in user.

 *

 * Will set the current user, if the current user is not set. The current user

 * will be set to the logged in person. If no user is logged in, then it will

 * set the current user to 0, which is invalid and won't have any permissions.

 *

 * @since 0.71

 * @uses $current_user Checks if the current user is set

 * @uses wp_validate_auth_cookie() Retrieves current logged in user.

 *

 * @return bool|null False on XMLRPC Request and invalid auth cookie. Null when current user set

 */

function get_currentuserinfo() {

	global $current_user;

	if ( ! $user = wp_validate_auth_cookie() ) {

		 	return false;

		 }

	}

}

endif;

if ( !function_exists('get_userdata') ) :

/**

 * Retrieve user info by user ID.

 *

 * @since 0.71

 *

 * @param int $user_id User ID

 */

function get_userdata( $user_id ) {

}

endif;

if ( !function_exists('get_user_by') ) :

/**

 * Retrieve user info by a given field

 *

 * @since 2.8.0

 *

 */

		return false;

	return $user;

}

endif;

/**

 *

 *

 */

}

endif;

if ( !function_exists( 'wp_mail' ) ) :

/**

 * Send mail, similar to PHP's mail

 *

 * A true return value does not automatically mean that the user received the

 * email successfully. It just only means that the method used was able to

 * process the request without any errors.

 *

 * Using the two 'wp_mail_from' and 'wp_mail_from_name' hooks allow from

 * creating a from address like 'Name <email@address.com>' when both are set. If

 * just 'wp_mail_from' is set, then just the email address will be used with no

 * name.

 *

 * The default content type is 'text/plain' which does not allow using HTML.

 * However, you can set the content type of the email by using the

 * 'wp_mail_content_type' filter.

 *

 * The default charset is based on the charset used on the blog. The charset can

 * be set using the 'wp_mail_charset' filter.

 *

 * @since 1.2.1

 * @uses apply_filters() Calls 'wp_mail' hook on an array of all of the parameters.

 * @uses apply_filters() Calls 'wp_mail_from' hook to get the from email address.

 * @uses apply_filters() Calls 'wp_mail_from_name' hook to get the from address name.

 * @uses apply_filters() Calls 'wp_mail_content_type' hook to get the email content type.

 * @uses apply_filters() Calls 'wp_mail_charset' hook to get the email charset

 * @uses do_action_ref_array() Calls 'phpmailer_init' hook on the reference to

 *		phpmailer object.

 * @uses PHPMailer

 *

 * @param string $subject Email subject

 * @param string $message Message contents

 * @param string|array $headers Optional. Additional headers.

 * @param string|array $attachments Optional. Files to attach.

 * @return bool Whether the email contents were sent successfully.

 */

function wp_mail( $to, $subject, $message, $headers = '', $attachments = array() ) {

	// Compact the input, apply the filters, and extract them back out

	extract( apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers', 'attachments' ) ) );

	if ( !is_array($attachments) )

	global $phpmailer;

	// (Re)create it, if it's gone missing

	if ( !is_object( $phpmailer ) || !is_a( $phpmailer, 'PHPMailer' ) ) {

		require_once ABSPATH . WPINC . '/class-phpmailer.php';

		require_once ABSPATH . WPINC . '/class-smtp.php';

	}

	// Headers

	if ( empty( $headers ) ) {

		$headers = array();

	} else {

		if ( !is_array( $headers ) ) {

			// Explode the headers out, so this function can take both

			// string headers and an array of headers.

		} else {

			$tempheaders = $headers;

		}

		$headers = array();

		// If it's actually got contents

		if ( !empty( $tempheaders ) ) {

			// Iterate through the raw headers

			foreach ( (array) $tempheaders as $header ) {

				if ( strpos($header, ':') === false ) {

					if ( false !== stripos( $header, 'boundary=' ) ) {

						$parts = preg_split('/boundary=/i', trim( $header ) );

						$boundary = trim( str_replace( array( "'", '"' ), '', $parts[1] ) );

					}

					continue;

				}

				// Explode them out

				list( $name, $content ) = explode( ':', trim( $header ), 2 );

				// Cleanup crew

				$content = trim( $content );

						}

				}

			}

		}

	}

	// Empty out the values that may be set

	$phpmailer->ClearAddresses();

	$phpmailer->ClearAllRecipients();

	$phpmailer->ClearAttachments();

	$phpmailer->ClearBCCs();

	$phpmailer->ClearCCs();

	$phpmailer->ClearCustomHeaders();

	$phpmailer->ClearReplyTos();

	// From email and name

	// If we don't have a name from the input headers

		$from_name = 'WordPress';

	/* If we don't have an email from the input headers default to wordpress@$sitename

	 * Some hosts will block outgoing mail from this address if it doesn't exist but

	 * there's no easy alternative. Defaulting to admin_email might appear to be another

	 * option but some hosts may refuse to relay mail from an unknown domain. See

	 * http://trac.wordpress.org/ticket/5007.

	 */

	if ( !isset( $from_email ) ) {

		// Get the site domain and get rid of www.

		$sitename = strtolower( $_SERVER['SERVER_NAME'] );

		if ( substr( $sitename, 0, 4 ) == 'www.' ) {

			$sitename = substr( $sitename, 4 );

		}

		$from_email = 'wordpress@' . $sitename;

	}

	// Plugin authors can override the potentially troublesome default

	// Set mail's subject and body

	$phpmailer->Subject = $subject;

	// Add any CC and BCC recipients

		foreach ( (array) $cc as $recipient ) {

		}

	}

		foreach ( (array) $bcc as $recipient) {

		}

	}

	// Set to use PHP's mail()

	$phpmailer->IsMail();

	// Set Content-Type and charset

	// If we don't have a content-type from the input headers

		$content_type = 'text/plain';

	$content_type = apply_filters( 'wp_mail_content_type', $content_type );