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html-minify-options.php
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html-minify-options.php
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<?php
/**
* Theme Options v1.1.0
* Adjust theme settings from the admin dashboard.
* Find and replace `YourTheme` with your own namepspacing.
*
* Created by Michael Fields.
* https://gist.github.com/mfields/4678999
*
* Forked by Chris Ferdinandi
* http://gomakethings.com
*
* Free to use under the MIT License.
* http://gomakethings.com/mit/
*/
/**
* Theme Options Fields
* Each option field requires its own uniquely named function. Select options and radio buttons also require an additional uniquely named function with an array of option choices.
*/
// Sample checkbox field
function html_minify_settings_field_checkboxes() {
$options = html_minify_get_theme_options();
?>
<label>
<input type="checkbox" name="html_minify_theme_options[ignore_css]" <?php checked( 'on', $options['ignore_css'] ); ?> />
<?php _e( 'Ignore CSS', 'html-minify' ); ?>
</label>
<br>
<label>
<input type="checkbox" name="html_minify_theme_options[ignore_comments]" <?php checked( 'on', $options['ignore_comments'] ); ?> />
<?php _e( 'Ignore comments', 'html-minify' ); ?>
</label>
<br>
<label>
<input type="checkbox" name="html_minify_theme_options[exclude_info]" <?php checked( 'on', $options['exclude_info'] ); ?> />
<?php _e( 'Exclude info comment', 'html-minify' ); ?>
</label>
<?php
}
/**
* Theme Option Defaults & Sanitization
* Each option field requires a default value under html_minify_get_theme_options(), and an if statement under html_minify_theme_options_validate();
*/
// Get the current options from the database.
// If none are specified, use these defaults.
function html_minify_get_theme_options() {
$saved = (array) get_option( 'html_minify_theme_options' );
$defaults = array(
'ignore_css' => 'off',
'ignore_comments' => 'off',
'exclude_info' => 'off',
);
$defaults = apply_filters( 'html_minify_default_theme_options', $defaults );
$options = wp_parse_args( $saved, $defaults );
$options = array_intersect_key( $options, $defaults );
return $options;
}
// Sanitize and validate updated theme options
function html_minify_theme_options_validate( $input ) {
$output = array();
if ( isset( $input['ignore_css'] ) )
$output['ignore_css'] = 'on';
if ( isset( $input['ignore_comments'] ) )
$output['ignore_comments'] = 'on';
if ( isset( $input['exclude_info'] ) )
$output['exclude_info'] = 'on';
return apply_filters( 'html_minify_theme_options_validate', $output, $input );
}
/**
* Theme Options Menu
* Each option field requires its own add_settings_field function.
*/
// Create theme options menu
// The content that's rendered on the menu page.
function html_minify_theme_options_render_page() {
?>
<div class="wrap">
<h2><?php _e( 'HTML Minification Options', 'html-minify' ); ?></h2>
<form method="post" action="options.php">
<?php
settings_fields( 'html_minify_options' );
do_settings_sections( 'html_minify_options' );
submit_button();
?>
</form>
</div>
<?php
}
// Register the theme options page and its fields
function html_minify_theme_options_init() {
// Register a setting and its sanitization callback
// register_setting( $option_group, $option_name, $sanitize_callback );
// $option_group - A settings group name.
// $option_name - The name of an option to sanitize and save.
// $sanitize_callback - A callback function that sanitizes the option's value.
register_setting( 'html_minify_options', 'html_minify_theme_options', 'html_minify_theme_options_validate' );
// Register our settings field group
// add_settings_section( $id, $title, $callback, $page );
// $id - Unique identifier for the settings section
// $title - Section title
// $callback - // Section callback (we don't want anything)
// $page - // Menu slug, used to uniquely identify the page. See html_minify_theme_options_add_page().
add_settings_section( 'general', null, '__return_false', 'html_minify_options' );
// Register our individual settings fields
// add_settings_field( $id, $title, $callback, $page, $section );
// $id - Unique identifier for the field.
// $title - Setting field title.
// $callback - Function that creates the field (from the Theme Option Fields section).
// $page - The menu page on which to display this field.
// $section - The section of the settings page in which to show the field.
add_settings_field( 'checkboxes', __( 'Exclude from Minification', 'html-minify' ), 'html_minify_settings_field_checkboxes', 'html_minify_options', 'general' );
}
add_action( 'admin_init', 'html_minify_theme_options_init' );
// Add the theme options page to the admin menu
// Use add_theme_page() to add under Appearance tab (default).
// Use add_menu_page() to add as it's own tab.
// Use add_submenu_page() to add to another tab.
function html_minify_theme_options_add_page() {
// add_theme_page( $page_title, $menu_title, $capability, $menu_slug, $function );
// add_menu_page( $page_title, $menu_title, $capability, $menu_slug, $function );
// add_submenu_page( $parent_slug, $page_title, $menu_title, $capability, $menu_slug, $function );
// $page_title - Name of page
// $menu_title - Label in menu
// $capability - Capability required
// $menu_slug - Used to uniquely identify the page
// $function - Function that renders the options page
// $theme_page = add_theme_page( __( 'Theme Options', 'html-minify' ), __( 'Theme Options', 'html-minify' ), 'edit_theme_options', 'html_minify_options', 'html_minify_theme_options_render_page' );
// $theme_page = add_menu_page( __( 'Theme Options', 'html-minify' ), __( 'Theme Options', 'html-minify' ), 'edit_theme_options', 'html_minify_options', 'html_minify_theme_options_render_page' );
$theme_page = add_submenu_page( 'options-general.php', __( 'HTML Minify', 'html-minify' ), __( 'HTML Minify', 'html-minify' ), 'edit_theme_options', 'html_minify_options', 'html_minify_theme_options_render_page' );
}
add_action( 'admin_menu', 'html_minify_theme_options_add_page' );
// Restrict access to the theme options page to admins
function html_minify_option_page_capability( $capability ) {
return 'edit_theme_options';
}
add_filter( 'option_page_capability_html_minify_options', 'html_minify_option_page_capability' );