installed plugin Two Factor version 0.7.3

wp-content/plugins/two-factor/includes/function.login-footer.php

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+<?php
+/**
+ * Extracted from wp-login.php since that file also loads WP core which we already have.
+ */
+
+/**
+ * Outputs the footer for the login page.
+ *
+ * @since 3.1.0
+ *
+ * @global bool|string $interim_login Whether interim login modal is being displayed. String 'success'
+ *                                    upon successful login.
+ *
+ * @param string $input_id Which input to auto-focus.
+ */
+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 ( ! 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
+}
+
+/**
+ * Outputs the JavaScript to handle the form shaking on the login page.
+ *
+ * @since 3.0.0
+ */
+function wp_shake_js() {
+	?>
+	<script type="text/javascript">
+	document.querySelector('form').classList.add('shake');
+	</script>
+	<?php
+}