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general-template.php
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executable file
·2924 lines (2657 loc) · 94.7 KB
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<?php
/**
* General template tags that can go anywhere in a template.
*
* @package WordPress
* @subpackage Template
*/
/**
* Load header template.
*
* Includes the header template for a theme or if a name is specified then a
* specialised header will be included.
*
* For the parameter, if the file is called "header-special.php" then specify
* "special".
*
* @since 1.5.0
*
* @uses locate_template()
*
* @param string $name The name of the specialised header.
*/
function get_header( $name = null ) {
/**
* Fires before the header template file is loaded.
*
* The hook allows a specific header template file to be used in place of the
* default header template file. If your file is called header-new.php,
* you would specify the filename in the hook as get_header( 'new' ).
*
* @since 2.1.0
* @since 2.8.0 $name parameter added.
*
* @param string $name Name of the specific header file to use.
*/
do_action( 'get_header', $name );
$templates = array();
$name = (string) $name;
if ( '' !== $name )
$templates[] = "header-{$name}.php";
$templates[] = 'header.php';
// Backward compat code will be removed in a future release
if ('' == locate_template($templates, true))
load_template( ABSPATH . WPINC . '/theme-compat/header.php');
}
/**
* Load footer template.
*
* Includes the footer template for a theme or if a name is specified then a
* specialised footer will be included.
*
* For the parameter, if the file is called "footer-special.php" then specify
* "special".
*
* @since 1.5.0
*
* @uses locate_template()
*
* @param string $name The name of the specialised footer.
*/
function get_footer( $name = null ) {
/**
* Fires before the footer template file is loaded.
*
* The hook allows a specific footer template file to be used in place of the
* default footer template file. If your file is called footer-new.php,
* you would specify the filename in the hook as get_footer( 'new' ).
*
* @since 2.1.0
* @since 2.8.0 $name parameter added.
*
* @param string $name Name of the specific footer file to use.
*/
do_action( 'get_footer', $name );
$templates = array();
$name = (string) $name;
if ( '' !== $name )
$templates[] = "footer-{$name}.php";
$templates[] = 'footer.php';
// Backward compat code will be removed in a future release
if ('' == locate_template($templates, true))
load_template( ABSPATH . WPINC . '/theme-compat/footer.php');
}
/**
* Load sidebar template.
*
* Includes the sidebar template for a theme or if a name is specified then a
* specialised sidebar will be included.
*
* For the parameter, if the file is called "sidebar-special.php" then specify
* "special".
*
* @since 1.5.0
*
* @uses locate_template()
*
* @param string $name The name of the specialised sidebar.
*/
function get_sidebar( $name = null ) {
/**
* Fires before the sidebar template file is loaded.
*
* The hook allows a specific sidebar template file to be used in place of the
* default sidebar template file. If your file is called sidebar-new.php,
* you would specify the filename in the hook as get_sidebar( 'new' ).
*
* @since 2.2.0
* @since 2.8.0 $name parameter added.
*
* @param string $name Name of the specific sidebar file to use.
*/
do_action( 'get_sidebar', $name );
$templates = array();
$name = (string) $name;
if ( '' !== $name )
$templates[] = "sidebar-{$name}.php";
$templates[] = 'sidebar.php';
// Backward compat code will be removed in a future release
if ('' == locate_template($templates, true))
load_template( ABSPATH . WPINC . '/theme-compat/sidebar.php');
}
/**
* Load a template part into a template
*
* Makes it easy for a theme to reuse sections of code in a easy to overload way
* for child themes.
*
* Includes the named template part for a theme or if a name is specified then a
* specialised part will be included. If the theme contains no {slug}.php file
* then no template will be included.
*
* The template is included using require, not require_once, so you may include the
* same template part multiple times.
*
* For the $name parameter, if the file is called "{slug}-special.php" then specify
* "special".
*
* @since 3.0.0
*
* @uses locate_template()
*
* @param string $slug The slug name for the generic template.
* @param string $name The name of the specialised template.
*/
function get_template_part( $slug, $name = null ) {
/**
* Fires before the specified template part file is loaded.
*
* The dynamic portion of the hook name, $slug, refers to the slug name
* for the generic template part.
*
* @since 3.0.0
*
* @param string $slug The slug name for the generic template.
* @param string $name The name of the specialized template.
*/
do_action( "get_template_part_{$slug}", $slug, $name );
$templates = array();
$name = (string) $name;
if ( '' !== $name )
$templates[] = "{$slug}-{$name}.php";
$templates[] = "{$slug}.php";
locate_template($templates, true, false);
}
/**
* Display search form.
*
* Will first attempt to locate the searchform.php file in either the child or
* the parent, then load it. If it doesn't exist, then the default search form
* will be displayed. The default search form is HTML, which will be displayed.
* There is a filter applied to the search form HTML in order to edit or replace
* it. The filter is 'get_search_form'.
*
* This function is primarily used by themes which want to hardcode the search
* form into the sidebar and also by the search widget in WordPress.
*
* There is also an action that is called whenever the function is run called,
* 'pre_get_search_form'. This can be useful for outputting JavaScript that the
* search relies on or various formatting that applies to the beginning of the
* search. To give a few examples of what it can be used for.
*
* @since 2.7.0
*
* @param boolean $echo Default to echo and not return the form.
* @return string|null String when retrieving, null when displaying or if searchform.php exists.
*/
function get_search_form( $echo = true ) {
/**
* Fires before the search form is retrieved, at the start of get_search_form().
*
* @since 2.7.0 as 'get_search_form' action.
* @since 3.6.0
*
* @link https://core.trac.wordpress.org/ticket/19321
*/
do_action( 'pre_get_search_form' );
$format = current_theme_supports( 'html5', 'search-form' ) ? 'html5' : 'xhtml';
/**
* Filter the HTML format of the search form.
*
* @since 3.6.0
*
* @param string $format The type of markup to use in the search form.
* Accepts 'html5', 'xhtml'.
*/
$format = apply_filters( 'search_form_format', $format );
$search_form_template = locate_template( 'searchform.php' );
if ( '' != $search_form_template ) {
ob_start();
require( $search_form_template );
$form = ob_get_clean();
} else {
if ( 'html5' == $format ) {
$form = '<form role="search" method="get" class="search-form" action="' . esc_url( home_url( '/' ) ) . '">
<label>
<span class="screen-reader-text">' . _x( 'Search for:', 'label' ) . '</span>
<input type="search" class="search-field" placeholder="' . esc_attr_x( 'Search …', 'placeholder' ) . '" value="' . get_search_query() . '" name="s" title="' . esc_attr_x( 'Search for:', 'label' ) . '" />
</label>
<input type="submit" class="search-submit" value="'. esc_attr_x( 'Search', 'submit button' ) .'" />
</form>';
} else {
$form = '<form role="search" method="get" id="searchform" class="searchform" action="' . esc_url( home_url( '/' ) ) . '">
<div>
<label class="screen-reader-text" for="s">' . _x( 'Search for:', 'label' ) . '</label>
<input type="text" value="' . get_search_query() . '" name="s" id="s" />
<input type="submit" id="searchsubmit" value="'. esc_attr_x( 'Search', 'submit button' ) .'" />
</div>
</form>';
}
}
/**
* Filter the HTML output of the search form.
*
* @since 2.7.0
*
* @param string $form The search form HTML output.
*/
$result = apply_filters( 'get_search_form', $form );
if ( null === $result )
$result = $form;
if ( $echo )
echo $result;
else
return $result;
}
/**
* Display the Log In/Out link.
*
* Displays a link, which allows users to navigate to the Log In page to log in
* or log out depending on whether they are currently logged in.
*
* @since 1.5.0
*
* @param string $redirect Optional path to redirect to on login/logout.
* @param boolean $echo Default to echo and not return the link.
* @return string|null String when retrieving, null when displaying.
*/
function wp_loginout($redirect = '', $echo = true) {
if ( ! is_user_logged_in() )
$link = '<a href="' . esc_url( wp_login_url($redirect) ) . '">' . __('Log in') . '</a>';
else
$link = '<a href="' . esc_url( wp_logout_url($redirect) ) . '">' . __('Log out') . '</a>';
if ( $echo ) {
/**
* Filter the HTML output for the Log In/Log Out link.
*
* @since 1.5.0
*
* @param string $link The HTML link content.
*/
echo apply_filters( 'loginout', $link );
} else {
/** This filter is documented in wp-includes/general-template.php */
return apply_filters( 'loginout', $link );
}
}
/**
* Returns the Log Out URL.
*
* Returns the URL that allows the user to log out of the site.
*
* @since 2.7.0
*
* @uses wp_nonce_url() To protect against CSRF.
* @uses site_url() To generate the log out URL.
*
* @param string $redirect Path to redirect to on logout.
* @return string A log out URL.
*/
function wp_logout_url($redirect = '') {
$args = array( 'action' => 'logout' );
if ( !empty($redirect) ) {
$args['redirect_to'] = urlencode( $redirect );
}
$logout_url = add_query_arg($args, site_url('wp-login.php', 'login'));
$logout_url = wp_nonce_url( $logout_url, 'log-out' );
/**
* Filter the logout URL.
*
* @since 2.8.0
*
* @param string $logout_url The Log Out URL.
* @param string $redirect Path to redirect to on logout.
*/
return apply_filters( 'logout_url', $logout_url, $redirect );
}
/**
* Returns the Log In URL.
*
* Returns the URL that allows the user to log in to the site.
*
* @since 2.7.0
*
* @uses site_url() To generate the log in URL.
*
* @param string $redirect Path to redirect to on login.
* @param bool $force_reauth Whether to force reauthorization, even if a cookie is present. Default is false.
* @return string A log in URL.
*/
function wp_login_url($redirect = '', $force_reauth = false) {
$login_url = site_url('wp-login.php', 'login');
if ( !empty($redirect) )
$login_url = add_query_arg('redirect_to', urlencode($redirect), $login_url);
if ( $force_reauth )
$login_url = add_query_arg('reauth', '1', $login_url);
/**
* Filter the login URL.
*
* @since 2.8.0
*
* @param string $login_url The login URL.
* @param string $redirect The path to redirect to on login, if supplied.
*/
return apply_filters( 'login_url', $login_url, $redirect );
}
/**
* Returns the user registration URL.
*
* Returns the URL that allows the user to register on the site.
*
* @since 3.6.0
*
* @uses site_url() To generate the registration URL.
*
* @return string User registration URL.
*/
function wp_registration_url() {
/**
* Filter the user registration URL.
*
* @since 3.6.0
*
* @param string $register The user registration URL.
*/
return apply_filters( 'register_url', site_url( 'wp-login.php?action=register', 'login' ) );
}
/**
* Provides a simple login form for use anywhere within WordPress. By default, it echoes
* the HTML immediately. Pass array('echo'=>false) to return the string instead.
*
* @since 3.0.0
*
* @param array $args Configuration options to modify the form output.
* @return string|null String when retrieving, null when displaying.
*/
function wp_login_form( $args = array() ) {
$defaults = array(
'echo' => true,
'redirect' => ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'], // Default redirect is back to the current page
'form_id' => 'loginform',
'label_username' => __( 'Username' ),
'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, // Set this to true to default the "Remember me" checkbox to checked
);
/**
* Filter 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 ) );
/**
* Filter 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 );
/**
* Filter 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 );
/**
* Filter 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 = '
<form name="' . $args['form_id'] . '" id="' . $args['form_id'] . '" action="' . esc_url( site_url( 'wp-login.php', 'login_post' ) ) . '" method="post">
' . $login_form_top . '
<p class="login-username">
<label for="' . esc_attr( $args['id_username'] ) . '">' . esc_html( $args['label_username'] ) . '</label>
<input type="text" name="log" id="' . esc_attr( $args['id_username'] ) . '" class="input" value="' . esc_attr( $args['value_username'] ) . '" size="20" />
</p>
<p class="login-password">
<label for="' . esc_attr( $args['id_password'] ) . '">' . esc_html( $args['label_password'] ) . '</label>
<input type="password" name="pwd" id="' . esc_attr( $args['id_password'] ) . '" class="input" value="" size="20" />
</p>
' . $login_form_middle . '
' . ( $args['remember'] ? '<p class="login-remember"><label><input name="rememberme" type="checkbox" id="' . esc_attr( $args['id_remember'] ) . '" value="forever"' . ( $args['value_remember'] ? ' checked="checked"' : '' ) . ' /> ' . esc_html( $args['label_remember'] ) . '</label></p>' : '' ) . '
<p class="login-submit">
<input type="submit" name="wp-submit" id="' . esc_attr( $args['id_submit'] ) . '" class="button-primary" value="' . esc_attr( $args['label_log_in'] ) . '" />
<input type="hidden" name="redirect_to" value="' . esc_url( $args['redirect'] ) . '" />
</p>
' . $login_form_bottom . '
</form>';
if ( $args['echo'] )
echo $form;
else
return $form;
}
/**
* Returns the Lost Password URL.
*
* Returns the URL that allows the user to retrieve the lost password
*
* @since 2.8.0
*
* @uses site_url() To generate the lost password URL
*
* @param string $redirect Path to redirect to on login.
* @return string Lost password URL.
*/
function wp_lostpassword_url( $redirect = '' ) {
$args = array( 'action' => 'lostpassword' );
if ( !empty($redirect) ) {
$args['redirect_to'] = $redirect;
}
$lostpassword_url = add_query_arg( $args, network_site_url('wp-login.php', 'login') );
/**
* Filter the Lost Password URL.
*
* @since 2.8.0
*
* @param string $lostpassword_url The lost password page URL.
* @param string $redirect The path to redirect to on login.
*/
return apply_filters( 'lostpassword_url', $lostpassword_url, $redirect );
}
/**
* Display the Registration or Admin link.
*
* Display a link which allows the user to navigate to the registration page if
* not logged in and registration is enabled or to the dashboard if logged in.
*
* @since 1.5.0
*
* @param string $before Text to output before the link (defaults to <li>).
* @param string $after Text to output after the link (defaults to </li>).
* @param boolean $echo Default to echo and not return the link.
* @return string|null String when retrieving, null when displaying.
*/
function wp_register( $before = '<li>', $after = '</li>', $echo = true ) {
if ( ! is_user_logged_in() ) {
if ( get_option('users_can_register') )
$link = $before . '<a href="' . esc_url( wp_registration_url() ) . '">' . __('Register') . '</a>' . $after;
else
$link = '';
} else {
$link = $before . '<a href="' . admin_url() . '">' . __('Site Admin') . '</a>' . $after;
}
if ( $echo ) {
/**
* Filter the HTML link to the Registration or Admin page.
*
* Users are sent to the admin page if logged-in, or the registration page
* if enabled and logged-out.
*
* @since 1.5.0
*
* @param string $link The HTML code for the link to the Registration or Admin page.
*/
echo apply_filters( 'register', $link );
} else {
/** This filter is documented in wp-includes/general-template.php */
return apply_filters( 'register', $link );
}
}
/**
* Theme container function for the 'wp_meta' action.
*
* The 'wp_meta' action can have several purposes, depending on how you use it,
* but one purpose might have been to allow for theme switching.
*
* @since 1.5.0
*
* @link http://trac.wordpress.org/ticket/1458 Explanation of 'wp_meta' action.
*/
function wp_meta() {
/**
* Fires before displaying echoed content in the sidebar.
*
* @since 1.5.0
*/
do_action( 'wp_meta' );
}
/**
* Display information about the blog.
*
* @see get_bloginfo() For possible values for the parameter.
* @since 0.71
*
* @param string $show What to display.
*/
function bloginfo( $show='' ) {
echo get_bloginfo( $show, 'display' );
}
/**
* Retrieve information about the blog.
*
* Some show parameter values are deprecated and will be removed in future
* versions. These options will trigger the _deprecated_argument() function.
* The deprecated blog info options are listed in the function contents.
*
* The possible values for the 'show' parameter are listed below.
* <ol>
* <li><strong>url</strong> - Blog URI to homepage.</li>
* <li><strong>wpurl</strong> - Blog URI path to WordPress.</li>
* <li><strong>description</strong> - Secondary title</li>
* </ol>
*
* The feed URL options can be retrieved from 'rdf_url' (RSS 0.91),
* 'rss_url' (RSS 1.0), 'rss2_url' (RSS 2.0), or 'atom_url' (Atom feed). The
* comment feeds can be retrieved from the 'comments_atom_url' (Atom comment
* feed) or 'comments_rss2_url' (RSS 2.0 comment feed).
*
* @since 0.71
*
* @param string $show Blog info to retrieve.
* @param string $filter How to filter what is retrieved.
* @return string Mostly string values, might be empty.
*/
function get_bloginfo( $show = '', $filter = 'raw' ) {
switch( $show ) {
case 'home' : // DEPRECATED
case 'siteurl' : // DEPRECATED
_deprecated_argument( __FUNCTION__, '2.2', sprintf( __('The <code>%s</code> option is deprecated for the family of <code>bloginfo()</code> functions.' ), $show ) . ' ' . sprintf( __( 'Use the <code>%s</code> option instead.' ), 'url' ) );
case 'url' :
$output = home_url();
break;
case 'wpurl' :
$output = site_url();
break;
case 'description':
$output = get_option('blogdescription');
break;
case 'rdf_url':
$output = get_feed_link('rdf');
break;
case 'rss_url':
$output = get_feed_link('rss');
break;
case 'rss2_url':
$output = get_feed_link('rss2');
break;
case 'atom_url':
$output = get_feed_link('atom');
break;
case 'comments_atom_url':
$output = get_feed_link('comments_atom');
break;
case 'comments_rss2_url':
$output = get_feed_link('comments_rss2');
break;
case 'pingback_url':
$output = site_url( 'xmlrpc.php' );
break;
case 'stylesheet_url':
$output = get_stylesheet_uri();
break;
case 'stylesheet_directory':
$output = get_stylesheet_directory_uri();
break;
case 'template_directory':
case 'template_url':
$output = get_template_directory_uri();
break;
case 'admin_email':
$output = get_option('admin_email');
break;
case 'charset':
$output = get_option('blog_charset');
if ('' == $output) $output = 'UTF-8';
break;
case 'html_type' :
$output = get_option('html_type');
break;
case 'version':
global $wp_version;
$output = $wp_version;
break;
case 'language':
$output = get_locale();
$output = str_replace('_', '-', $output);
break;
case 'text_direction':
//_deprecated_argument( __FUNCTION__, '2.2', sprintf( __('The <code>%s</code> option is deprecated for the family of <code>bloginfo()</code> functions.' ), $show ) . ' ' . sprintf( __( 'Use the <code>%s</code> function instead.' ), 'is_rtl()' ) );
if ( function_exists( 'is_rtl' ) ) {
$output = is_rtl() ? 'rtl' : 'ltr';
} else {
$output = 'ltr';
}
break;
case 'name':
default:
$output = get_option('blogname');
break;
}
$url = true;
if (strpos($show, 'url') === false &&
strpos($show, 'directory') === false &&
strpos($show, 'home') === false)
$url = false;
if ( 'display' == $filter ) {
if ( $url ) {
/**
* Filter the URL returned by get_bloginfo().
*
* @since 2.0.5
*
* @param mixed $output The URL returned by bloginfo().
* @param mixed $show Type of information requested.
*/
$output = apply_filters( 'bloginfo_url', $output, $show );
} else {
/**
* Filter the site information returned by get_bloginfo().
*
* @since 0.71
*
* @param mixed $output The requested non-URL site information.
* @param mixed $show Type of information requested.
*/
$output = apply_filters( 'bloginfo', $output, $show );
}
}
return $output;
}
/**
* Display or retrieve page title for all areas of blog.
*
* By default, the page title will display the separator before the page title,
* so that the blog title will be before the page title. This is not good for
* title display, since the blog title shows up on most tabs and not what is
* important, which is the page that the user is looking at.
*
* There are also SEO benefits to having the blog title after or to the 'right'
* or the page title. However, it is mostly common sense to have the blog title
* to the right with most browsers supporting tabs. You can achieve this by
* using the seplocation parameter and setting the value to 'right'. This change
* was introduced around 2.5.0, in case backwards compatibility of themes is
* important.
*
* @since 1.0.0
*
* @param string $sep Optional, default is '»'. How to separate the various items within the page title.
* @param bool $display Optional, default is true. Whether to display or retrieve title.
* @param string $seplocation Optional. Direction to display title, 'right'.
* @return string|null String on retrieve, null when displaying.
*/
function wp_title($sep = '»', $display = true, $seplocation = '') {
global $wpdb, $wp_locale;
$m = get_query_var('m');
$year = get_query_var('year');
$monthnum = get_query_var('monthnum');
$day = get_query_var('day');
$search = get_query_var('s');
$title = '';
$t_sep = '%WP_TITILE_SEP%'; // Temporary separator, for accurate flipping, if necessary
// If there is a post
if ( is_single() || ( is_home() && !is_front_page() ) || ( is_page() && !is_front_page() ) ) {
$title = single_post_title( '', false );
}
// If there's a post type archive
if ( is_post_type_archive() ) {
$post_type = get_query_var( 'post_type' );
if ( is_array( $post_type ) )
$post_type = reset( $post_type );
$post_type_object = get_post_type_object( $post_type );
if ( ! $post_type_object->has_archive )
$title = post_type_archive_title( '', false );
}
// If there's a category or tag
if ( is_category() || is_tag() ) {
$title = single_term_title( '', false );
}
// If there's a taxonomy
if ( is_tax() ) {
$term = get_queried_object();
if ( $term ) {
$tax = get_taxonomy( $term->taxonomy );
$title = single_term_title( $tax->labels->name . $t_sep, false );
}
}
// If there's an author
if ( is_author() ) {
$author = get_queried_object();
if ( $author )
$title = $author->display_name;
}
// Post type archives with has_archive should override terms.
if ( is_post_type_archive() && $post_type_object->has_archive )
$title = post_type_archive_title( '', false );
// If there's a month
if ( is_archive() && !empty($m) ) {
$my_year = substr($m, 0, 4);
$my_month = $wp_locale->get_month(substr($m, 4, 2));
$my_day = intval(substr($m, 6, 2));
$title = $my_year . ( $my_month ? $t_sep . $my_month : '' ) . ( $my_day ? $t_sep . $my_day : '' );
}
// If there's a year
if ( is_archive() && !empty($year) ) {
$title = $year;
if ( !empty($monthnum) )
$title .= $t_sep . $wp_locale->get_month($monthnum);
if ( !empty($day) )
$title .= $t_sep . zeroise($day, 2);
}
// If it's a search
if ( is_search() ) {
/* translators: 1: separator, 2: search phrase */
$title = sprintf(__('Search Results %1$s %2$s'), $t_sep, strip_tags($search));
}
// If it's a 404 page
if ( is_404() ) {
$title = __('Page not found');
}
$prefix = '';
if ( !empty($title) )
$prefix = " $sep ";
// Determines position of the separator and direction of the breadcrumb
if ( 'right' == $seplocation ) { // sep on right, so reverse the order
$title_array = explode( $t_sep, $title );
$title_array = array_reverse( $title_array );
$title = implode( " $sep ", $title_array ) . $prefix;
} else {
$title_array = explode( $t_sep, $title );
$title = $prefix . implode( " $sep ", $title_array );
}
/**
* Filter the text of the page title.
*
* @since 2.0.0
*
* @param string $title Page title.
* @param string $sep Title separator.
* @param string $seplocation Location of the separator (left or right).
*/
$title = apply_filters( 'wp_title', $title, $sep, $seplocation );
// Send it out
if ( $display )
echo $title;
else
return $title;
}
/**
* Display or retrieve page title for post.
*
* This is optimized for single.php template file for displaying the post title.
*
* It does not support placing the separator after the title, but by leaving the
* prefix parameter empty, you can set the title separator manually. The prefix
* does not automatically place a space between the prefix, so if there should
* be a space, the parameter value will need to have it at the end.
*
* @since 0.71
*
* @param string $prefix Optional. What to display before the title.
* @param bool $display Optional, default is true. Whether to display or retrieve title.
* @return string|null Title when retrieving, null when displaying or failure.
*/
function single_post_title($prefix = '', $display = true) {
$_post = get_queried_object();
if ( !isset($_post->post_title) )
return;
/**
* Filter the page title for a single post.
*
* @since 0.71
*
* @param string $_post_title The single post page title.
* @param object $_post The current queried object as returned by get_queried_object().
*/
$title = apply_filters( 'single_post_title', $_post->post_title, $_post );
if ( $display )
echo $prefix . $title;
else
return $prefix . $title;
}
/**
* Display or retrieve title for a post type archive.
*
* This is optimized for archive.php and archive-{$post_type}.php template files
* for displaying the title of the post type.
*
* @since 3.1.0
*
* @param string $prefix Optional. What to display before the title.
* @param bool $display Optional, default is true. Whether to display or retrieve title.
* @return string|null Title when retrieving, null when displaying or failure.
*/
function post_type_archive_title( $prefix = '', $display = true ) {
if ( ! is_post_type_archive() )
return;
$post_type = get_query_var( 'post_type' );
if ( is_array( $post_type ) )
$post_type = reset( $post_type );
$post_type_obj = get_post_type_object( $post_type );
/**
* Filter the post type archive title.
*
* @since 3.1.0
*
* @param string $post_type_name Post type 'name' label.
* @param string $post_type Post type.
*/
$title = apply_filters( 'post_type_archive_title', $post_type_obj->labels->name, $post_type );
if ( $display )
echo $prefix . $title;
else
return $prefix . $title;
}
/**
* Display or retrieve page title for category archive.
*
* This is useful for category template file or files, because it is optimized
* for category page title and with less overhead than {@link wp_title()}.
*
* It does not support placing the separator after the title, but by leaving the
* prefix parameter empty, you can set the title separator manually. The prefix
* does not automatically place a space between the prefix, so if there should
* be a space, the parameter value will need to have it at the end.
*
* @since 0.71
*
* @param string $prefix Optional. What to display before the title.
* @param bool $display Optional, default is true. Whether to display or retrieve title.
* @return string|null Title when retrieving, null when displaying or failure.
*/
function single_cat_title( $prefix = '', $display = true ) {
return single_term_title( $prefix, $display );
}
/**
* Display or retrieve page title for tag post archive.
*
* Useful for tag template files for displaying the tag page title. It has less
* overhead than {@link wp_title()}, because of its limited implementation.
*
* It does not support placing the separator after the title, but by leaving the
* prefix parameter empty, you can set the title separator manually. The prefix
* does not automatically place a space between the prefix, so if there should
* be a space, the parameter value will need to have it at the end.
*
* @since 2.3.0
*
* @param string $prefix Optional. What to display before the title.
* @param bool $display Optional, default is true. Whether to display or retrieve title.
* @return string|null Title when retrieving, null when displaying or failure.
*/
function single_tag_title( $prefix = '', $display = true ) {
return single_term_title( $prefix, $display );
}
/**
* Display or retrieve page title for taxonomy term archive.
*
* Useful for taxonomy term template files for displaying the taxonomy term page title.
* It has less overhead than {@link wp_title()}, because of its limited implementation.
*
* It does not support placing the separator after the title, but by leaving the
* prefix parameter empty, you can set the title separator manually. The prefix
* does not automatically place a space between the prefix, so if there should
* be a space, the parameter value will need to have it at the end.
*
* @since 3.1.0
*
* @param string $prefix Optional. What to display before the title.
* @param bool $display Optional, default is true. Whether to display or retrieve title.
* @return string|null Title when retrieving, null when displaying or failure.
*/