WordPress函数：wp_login_form

2025-12-17

一、函数简介

wp_login_from函数是用来显示用户前端的登录模块

<?php wp_login_form( $args = array() ); ?>

二、函数参数

'echo' => true,
'redirect' => ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'],
'form_id' => 'loginform',
'label_username' => __( 'Username or Email Address' ),
'label_password' => __( 'Password' ),
'label_remember' => __( 'Remember Me' ),
'label_log_in' => __( 'Log In' ),
'id_username' => 'user_login',
'id_password' => 'user_pass',
'id_remember' => 'rememberme',
'id_submit' => 'wp-submit',
'remember' => true,
'value_username' => '',
'value_remember' => false,
'required_username' => false,
'required_password' => false,

三、函数案例

（一）、案例1

<?php 
wp_login_form( $args = array(
	'label_username'    => __( '用户名' ),
	'label_password'    => __( '用户密码' ),
	'label_log_in'      => __( '登录用户' ),
))
?>

四、调试效果

五、源代码

/**
 * Provides a simple login form for use anywhere within WordPress.
 *
 * The login form HTML is echoed by default. Pass a false value for `$echo` to return it instead.
 *
 * @since 3.0.0
 * @since 6.6.0 Added `required_username` and `required_password` arguments.
 *
 * @param array $args {
 *     Optional. Array of options to control the form output. Default empty array.
 *
 *     @type bool   $echo              Whether to display the login form or return the form HTML code.
 *                                     Default true (echo).
 *     @type string $redirect          URL to redirect to. Must be absolute, as in "https://example.com/mypage/".
 *                                     Default is to redirect back to the request URI.
 *     @type string $form_id           ID attribute value for the form. Default 'loginform'.
 *     @type string $label_username    Label for the username or email address field. Default 'Username or Email Address'.
 *     @type string $label_password    Label for the password field. Default 'Password'.
 *     @type string $label_remember    Label for the remember field. Default 'Remember Me'.
 *     @type string $label_log_in      Label for the submit button. Default 'Log In'.
 *     @type string $id_username       ID attribute value for the username field. Default 'user_login'.
 *     @type string $id_password       ID attribute value for the password field. Default 'user_pass'.
 *     @type string $id_remember       ID attribute value for the remember field. Default 'rememberme'.
 *     @type string $id_submit         ID attribute value for the submit button. Default 'wp-submit'.
 *     @type bool   $remember          Whether to display the "rememberme" checkbox in the form.
 *     @type string $value_username    Default value for the username field. Default empty.
 *     @type bool   $value_remember    Whether the "Remember Me" checkbox should be checked by default.
 *                                     Default false (unchecked).
 *     @type bool   $required_username Whether the username field has the 'required' attribute.
 *                                     Default false.
 *     @type bool   $required_password Whether the password field has the 'required' attribute.
 *                                     Default false.
 *
 * }
 * @return void|string Void if 'echo' argument is true, login form HTML if 'echo' is false.
 */
function wp_login_form( $args = array() ) {
	$defaults = array(
		'echo'              => true,
		// Default 'redirect' value takes the user back to the request URI.
		'redirect'          => ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'],
		'form_id'           => 'loginform',
		'label_username'    => __( 'Username or Email Address' ),
		'label_password'    => __( 'Password' ),
		'label_remember'    => __( 'Remember Me' ),
		'label_log_in'      => __( 'Log In' ),
		'id_username'       => 'user_login',
		'id_password'       => 'user_pass',
		'id_remember'       => 'rememberme',
		'id_submit'         => 'wp-submit',
		'remember'          => true,
		'value_username'    => '',
		// Set 'value_remember' to true to default the "Remember me" checkbox to checked.
		'value_remember'    => false,
		// Set 'required_username' to true to add the required attribute to username field.
		'required_username' => false,
		// Set 'required_password' to true to add the required attribute to password field.
		'required_password' => false,
	);

	/**
	 * Filters the default login form output arguments.
	 *
	 * @since 3.0.0
	 *
	 * @see wp_login_form()
	 *
	 * @param array $defaults An array of default login form arguments.
	 */
	$args = wp_parse_args( $args, apply_filters( 'login_form_defaults', $defaults ) );

	/**
	 * Filters content to display at the top of the login form.
	 *
	 * The filter evaluates just following the opening form tag element.
	 *
	 * @since 3.0.0
	 *
	 * @param string $content Content to display. Default empty.
	 * @param array  $args    Array of login form arguments.
	 */
	$login_form_top = apply_filters( 'login_form_top', '', $args );

	/**
	 * Filters content to display in the middle of the login form.
	 *
	 * The filter evaluates just following the location where the 'login-password'
	 * field is displayed.
	 *
	 * @since 3.0.0
	 *
	 * @param string $content Content to display. Default empty.
	 * @param array  $args    Array of login form arguments.
	 */
	$login_form_middle = apply_filters( 'login_form_middle', '', $args );

	/**
	 * Filters content to display at the bottom of the login form.
	 *
	 * The filter evaluates just preceding the closing form tag element.
	 *
	 * @since 3.0.0
	 *
	 * @param string $content Content to display. Default empty.
	 * @param array  $args    Array of login form arguments.
	 */
	$login_form_bottom = apply_filters( 'login_form_bottom', '', $args );

	$form =
		sprintf(
			'<form name="%1$s" id="%1$s" action="%2$s" method="post">',
			esc_attr( $args['form_id'] ),
			esc_url( site_url( 'wp-login.php', 'login_post' ) )
		) .
		$login_form_top .
		sprintf(
			'<p class="login-username">
				<label for="%1$s">%2$s</label>
				<input type="text" name="log" id="%1$s" autocomplete="username" class="input" value="%3$s" size="20"%4$s />
			</p>',
			esc_attr( $args['id_username'] ),
			esc_html( $args['label_username'] ),
			esc_attr( $args['value_username'] ),
			( $args['required_username'] ? ' required="required"' : '' )
		) .
		sprintf(
			'<p class="login-password">
				<label for="%1$s">%2$s</label>
				<input type="password" name="pwd" id="%1$s" autocomplete="current-password" spellcheck="false" class="input" value="" size="20"%3$s />
			</p>',
			esc_attr( $args['id_password'] ),
			esc_html( $args['label_password'] ),
			( $args['required_password'] ? ' required="required"' : '' )
		) .
		$login_form_middle .
		( $args['remember'] ?
			sprintf(
				'<p class="login-remember"><label><input name="rememberme" type="checkbox" id="%1$s" value="forever"%2$s /> %3$s</label></p>',
				esc_attr( $args['id_remember'] ),
				( $args['value_remember'] ? ' checked="checked"' : '' ),
				esc_html( $args['label_remember'] )
			) : ''
		) .
		sprintf(
			'<p class="login-submit">
				<input type="submit" name="wp-submit" id="%1$s" class="button button-primary" value="%2$s" />
				<input type="hidden" name="redirect_to" value="%3$s" />
			</p>',
			esc_attr( $args['id_submit'] ),
			esc_attr( $args['label_log_in'] ),
			esc_url( $args['redirect'] )
		) .
		$login_form_bottom .
		'</form>';

	if ( $args['echo'] ) {
		echo $form;
	} else {
		return $form;
	}
}

THE END

WordPress函数：wp_registration_url

<<上一篇

WordPress函数：wp_lostpassword_url

下一篇>>