我正在根据教程创建一个主题选项页Tom McFarlin at TutsPlus 我有点困了。我不明白这里的代码哪里出错了，因为它根本不允许我在执行时访问该站点。
有没有更简单的方法来完成文本输入和主题选项？
/* =VOTE THEME OPTIONS
---------------------------------------------------- */
/**
* This function introduces the theme options into the \'Appearance\' menu and into a top-level
* \'Vote Theme\' menu.
*/
function vote_example_theme_menu() {
add_theme_page(
\'Vote Theme\', // The title to be displayed in the browser window for this page.
\'Vote Theme\', // The text to be displayed for this menu item
\'administrator\', // Which type of users can see this menu item
\'vote_theme_options\', // The unique ID - that is, the slug - for this menu item
\'vote_theme_display\' // The name of the function to call when rendering this menu\'s page
);
add_menu_page(
\'Vote Theme\', // The value used to populate the browser\'s title bar when the menu page is active
\'Vote Theme\', // The text of the menu in the administrator\'s sidebar
\'administrator\', // What roles are able to access the menu
\'vote_theme_menu\', // The ID used to bind submenu items to this menu
\'vote_theme_display\' // The callback function used to render this menu
);
add_submenu_page(
\'vote_theme_menu\',
__( \'Header Options\', \'vote\' ),
__( \'Header Options\', \'vote\' ),
\'administrator\',
\'vote_theme_header_options\',
create_function( null, \'vote_theme_display( "header_options" );\' )
);
} // end vote_example_theme_menu
add_action( \'admin_menu\', \'vote_example_theme_menu\' );
/**
* Renders a simple page to display for the theme menu defined above.
*/
function vote_theme_display( $active_tab = \'\' ) {
?>
<!-- Create a header in the default WordPress \'wrap\' container -->
<div class="wrap">
<div id="icon-themes" class="icon32"></div>
<h2><?php _e( \'Vote Theme Options\', \'vote\' ); ?></h2>
<?php settings_errors(); ?>
<?php if( isset( $_GET[ \'tab\' ] ) ) {
$active_tab = $_GET[ \'tab\' ];
} else {
$active_tab = \'header_options\';
} // end if/else ?>
<h2 class="nav-tab-wrapper">
<a href="?page=vote_theme_options&tab=header_options" class="nav-tab <?php echo $active_tab == \'header_options\' ? \'nav-tab-active\' : \'\'; ?>"><?php _e( \'Header Options\', \'vote\' ); ?></a>
</h2>
<form method="post" action="options.php">
<?php
if ( $active_tab == \'header_options\' ) {
settings_fields( \'vote_theme_header_options\' );
do_settings_sections( \'vote_theme_header_options\' );
} else {
settings_fields( \'vote_theme_header_options\' );
do_settings_sections( \'vote_theme_header_options\' );
}// end if/else
submit_button();
?>
</form>
</div><!-- /.wrap -->
<?php
} // end vote_theme_display
/* ------------------------------------------------------------------------ *
* Setting Registration
* ------------------------------------------------------------------------ */
/**
* Provides default values for the Header Options.
*/
function vote_theme_default_header_options() {
$defaults = array(
\'elect_city\' => \'\',
\'elect_name\' => \'City Council\',
\'elect_year\' => \'\',
\'elect_type\' => \'Election\',
\'elect_date_month\' => \'\',
\'elect_date_day\' => \'\',
);
return apply_filters( \'vote_theme_default_header_options\', $defaults );
} // end vote_theme_default_header_options
/**
* Initializes the theme\'s input example by registering the Sections,
* Fields, and Settings. This particular group of options is used to demonstration
* validation and sanitization.
*
* This function is registered with the \'admin_init\' hook.
*/
function vote_theme_initialize_header_options() {
if( false == get_option( \'vote_theme_header_options\' ) ) {
add_option( \'vote_theme_header_options\', apply_filters( \'vote_theme_default_header_options\', vote_theme_default_header_options() ) );
} // end if
add_settings_section(
\'header_options_section\',
__( \'Header Options\', \'vote\' ),
\'vote_header_options_callback\',
\'vote_theme_header_options\'
);
add_settings_field(
\'Election City\',
__( \'Election City\', \'vote\' ),
\'vote_elect_city_callback\',
\'vote_theme_header_options\',
\'header_options_section\'
);
add_settings_field(
\'Election Name\',
__( \'Election Name\', \'vote\' ),
\'vote_elect_name_callback\',
\'vote_theme_header_options\',
\'header_options_section\'
);
add_settings_field(
\'Election Year\',
__( \'Election Year\', \'vote\' ),
\'vote_elect_year_callback\',
\'vote_theme_header_options\',
\'header_options_section\'
);
add_settings_field(
\'Election Type\',
__( \'Election Type\', \'vote\' ),
\'vote_elect_type_callback\',
\'vote_theme_header_options\',
\'header_options_section\'
);
add_settings_field(
\'Election Date: Month\',
__( \'Election Date: Month\', \'vote\' ),
\'vote_elect_date_month_callback\',
\'vote_theme_header_options\',
\'header_options_section\'
);
add_settings_field(
\'Election Date: Day\',
__( \'Election Date: Day\', \'vote\' ),
\'vote_elect_date_day_callback\',
\'vote_theme_header_options\',
\'header_options_section\'
);
register_setting(
\'vote_theme_header_options\',
\'vote_theme_header_options\',
\'vote_theme_validate_header_options\'
);
} // end vote_theme_initialize_header_options
add_action( \'admin_init\', \'vote_theme_initialize_header_options\' );
/* ------------------------------------------------------------------------ *
* Section Callbacks
* ------------------------------------------------------------------------ */
/**
* This function provides a simple description for the Input Examples page.
*
* It\'s called from the \'vote_theme_intialize_header_options_options\' function by being passed as a parameter
* in the add_settings_section function.
*/
function vote_header_options_callback() {
echo \'<p>\' . __( \'Provide input for the page header section.\', \'vote\' ) . \'</p>\';
} // end vote_header_options_callback
/* ------------------------------------------------------------------------ *
* Field Callbacks
* ------------------------------------------------------------------------ */
/**
* This function renders the interface elements for toggling the visibility of the header element.
*
* It accepts an array or arguments and expects the first element in the array to be the description
* to be displayed next to the checkbox.
*/
function vote_header_options_callback() {
$options = get_option( \'vote_theme_header_options\' );
// Render the output
echo \'<input type="text" id="elect_city" name="vote_theme_header_options[elect_city]" value="\' . $options[\'elect_city\'] . \'" />\';
} // end vote_elect_city_callback
function vote_elect_name_callback() {
$options = get_option( \'vote_theme_header_options\' );
// Render the output
echo \'<input type="text" id="elect_name" name="vote_theme_header_options[elect_name]" value="\' . $options[\'elect_name\'] . \'" />\';
} // end vote_elect_name_callback
function vote_elect_year_callback($year_limit = 0) {
$options = get_option( \'vote_theme_header_options\' );
$html = \'<select id="elect_year" name="vote_theme_header_options[elect_year]">\';
for ($year = 2014; $year <= (date("Y") - $year_limit); $year++) {
$html .= \'<option value="\' . $year . \'"\' . selected( $options[\'elect_year\'], $year, false) . \'>\' . __( $year, \'vote\' ) . \'</option>\'."\\n";
}
echo $html;
} // end vote_elect_year_callback
function vote_elect_type_callback() {
$options = get_option( \'vote_theme_header_options\' );
// Render the output
echo \'<input type="text" id="elect_type" name="vote_theme_header_options[elect_type]" value="\' . $options[\'elect_type\'] . \'" />\';
} // end vote_elect_type_callback
function vote_elect_date_month_callback() {
$options = get_option( \'vote_theme_header_options\' );
$html = \'<select id="elect_date_month" name="vote_theme_header_options[elect_date_month]">\';
$months = array("", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December");
for ($month = 1; $month <= 12; $month++) {
$html .= \'<option value="\' . $month . \'"\' . selected( $options[\'elect_date_month\'], $month, false) . \'>\' . __( $months[$month], \'vote\' ) . \'</option>\'."\\n";
}
echo $html;
} // end vote_elect_date_month_callback
function vote_elect_date_day_callback() {
$options = get_option( \'vote_theme_header_options\' );
$html = \'<select id="elect_date_day" name="vote_theme_header_options[elect_date_day]">\';
for ($day = 1; $day <= 31; $day++) {
$html .= \'<option value="\' . $day . \'"\' . selected( $options[\'elect_date_day\'], $day, false) . \'>\' . __( $day, \'vote\' ) . \'</option>\'."\\n";
}
echo $html;
} // end vote_elect_date_month_callback
/* ------------------------------------------------------------------------ *
* Setting Callbacks
* ------------------------------------------------------------------------ */
/**
* Sanitization callback for the social options. Since each of the social options are text inputs,
* this function loops through the incoming option and strips all tags and slashes from the value
* before serializing it.
*
* @params $input The unsanitized collection of options.
*
* @returns The collection of sanitized values.
*/
function vote_theme_validate_header_options( $input ) {
// Create our array for storing the validated options
$output = array();
// Loop through each of the incoming options
foreach( $input as $key => $value ) {
// Check to see if the current option has a value. If so, process it.
if( isset( $input[$key] ) ) {
// Strip all HTML and PHP tags and properly handle quoted strings
$output[$key] = strip_tags( stripslashes( $input[ $key ] ) );
} // end if
} // end foreach
// Return the array processing any additional functions filtered by this action
return apply_filters( \'vote_theme_validate_header_options\', $output, $input );
} // end vote_theme_validate_header_options
?>
