login_footer

login_footer: 这是WordPress的一个动作钩子，允许你在登录屏幕的页脚添加内容。你可以使用这个钩子来添加自定义HTML、脚本或其他内容到登录屏幕。

输出登录页面的页脚。

function login_footer( $input_id = '' ) {
	global $interim_login;

	// Don't allow interim logins to navigate away from the page.
	if ( ! $interim_login ) {
		?>
		<p id="backtoblog">
			<?php
			$html_link = sprintf(
				'<a href="%s">%s</a>',
				esc_url( home_url( '/' ) ),
				sprintf(
					/* translators: %s: Site title. */
					_x( '&larr; Go to %s', 'site' ),
					get_bloginfo( 'title', 'display' )
				)
			);
			/**
			 * Filter the "Go to site" link displayed in the login page footer.
			 *
			 * @since 5.7.0
			 *
			 * @param string $link HTML link to the home URL of the current site.
			 */
			echo apply_filters( 'login_site_html_link', $html_link );
			?>
		</p>
		<?php

		the_privacy_policy_link( '<div class="privacy-policy-page-link">', '</div>' );
	}

	?>
	</div><?php // End of <div id="login">. ?>

	<?php
	if (
		! $interim_login &&
		/**
		 * Filters the Languages select input activation on the login screen.
		 *
		 * @since 5.9.0
		 *
		 * @param bool Whether to display the Languages select input on the login screen.
		 */
		apply_filters( 'login_display_language_dropdown', true )
	) {
		$languages = get_available_languages();

		if ( ! empty( $languages ) ) {
			?>
			<div class="language-switcher">
				<form id="language-switcher" action="" method="get">

					<label for="language-switcher-locales">
						<span class="dashicons dashicons-translation" aria-hidden="true"></span>
						<span class="screen-reader-text"><?php _e( 'Language' ); ?></span>
					</label>

					<?php
					$args = array(
						'id'                          => 'language-switcher-locales',
						'name'                        => 'wp_lang',
						'selected'                    => determine_locale(),
						'show_available_translations' => false,
						'explicit_option_en_us'       => true,
						'languages'                   => $languages,
					);

					/**
					 * Filters default arguments for the Languages select input on the login screen.
					 *
					 * The arguments get passed to the wp_dropdown_languages() function.
					 *
					 * @since 5.9.0
					 *
					 * @param array $args Arguments for the Languages select input on the login screen.
					 */
					wp_dropdown_languages( apply_filters( 'login_language_dropdown_args', $args ) );
					?>

					<?php if ( $interim_login ) { ?>
						<input type="hidden" name="interim-login" value="1" />
					<?php } ?>

					<?php if ( isset( $_GET['redirect_to'] ) && '' !== $_GET['redirect_to'] ) { ?>
						<input type="hidden" name="redirect_to" value="<?php echo sanitize_url( $_GET['redirect_to'] ); ?>" />
					<?php } ?>

					<?php if ( isset( $_GET['action'] ) && '' !== $_GET['action'] ) { ?>
						<input type="hidden" name="action" value="<?php echo esc_attr( $_GET['action'] ); ?>" />
					<?php } ?>

						<input type="submit" class="button" value="<?php esc_attr_e( 'Change' ); ?>">

					</form>
				</div>
		<?php } ?>
	<?php } ?>
	<?php

	if ( ! empty( $input_id ) ) {
		?>
		<script type="text/javascript">
		try{document.getElementById('<?php echo $input_id; ?>').focus();}catch(e){}
		if(typeof wpOnload==='function')wpOnload();
		</script>
		<?php
	}

	/**
	 * Fires in the login page footer.
	 *
	 * @since 3.1.0
	 */
	do_action( 'login_footer' );

	?>
	<div class="clear"></div>
	</body>
	</html>
	<?php
}