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<?php
/**
* Admin settings page and Settings API registration.
*
* @package EngineScript_Site_Optimizer
*/
if ( ! defined( 'ABSPATH' ) ) {
return;
}
/**
* Initialize the plugin settings.
*
* @since 1.0.0
*/
function es_optimizer_init_settings(): void {
register_setting(
'es_optimizer_settings',
'es_optimizer_options',
array(
'sanitize_callback' => 'es_optimizer_validate_options',
'default' => es_optimizer_get_default_options(),
'show_in_rest' => false,
'type' => 'array',
)
);
if ( false === get_option( 'es_optimizer_options' ) ) {
add_option( 'es_optimizer_options', es_optimizer_get_default_options() );
}
es_optimizer_register_settings_sections();
}
/**
* Register all settings sections and fields.
*
* @since 2.0.0
*/
function es_optimizer_register_settings_sections(): void {
$page = 'es-optimizer-settings';
foreach ( es_optimizer_get_settings_sections() as $section_id => $section_title ) {
add_settings_section(
$section_id,
$section_title,
'__return_null',
$page
);
}
foreach ( es_optimizer_get_settings_fields() as $field ) {
if ( 'textarea' === $field['type'] ) {
es_optimizer_register_textarea_field( $page, $field['section'], $field['option'], $field['title'], $field['description'] );
} else {
es_optimizer_register_checkbox_field( $page, $field['section'], $field['option'], $field['title'], $field['description'] );
}
}
}
/**
* Get settings section labels.
*
* @since 2.0.0
* @return array<string, string> Section labels keyed by section ID.
*/
function es_optimizer_get_settings_sections(): array {
return array(
'es_optimizer_performance' => __( 'Performance Optimizations', 'enginescript-site-optimizer' ),
'es_optimizer_header_cleanup' => __( 'Header Cleanup', 'enginescript-site-optimizer' ),
'es_optimizer_additional_features' => __( 'Additional Features', 'enginescript-site-optimizer' ),
);
}
/**
* Get settings field definitions.
*
* @since 2.0.0
* @return array<int, array{type: string, section: string, option: string, title: string, description: string}>
*/
function es_optimizer_get_settings_fields(): array {
return array_merge(
es_optimizer_get_performance_settings_fields(),
es_optimizer_get_header_cleanup_settings_fields(),
es_optimizer_get_additional_settings_fields()
);
}
/**
* Get performance settings field definitions.
*
* @since 2.0.0
* @return array<int, array{type: string, section: string, option: string, title: string, description: string}>
*/
function es_optimizer_get_performance_settings_fields(): array {
$section = 'es_optimizer_performance';
return array(
es_optimizer_get_checkbox_field_definition(
$section,
'disable_emojis',
__( 'Disable WordPress Emojis', 'enginescript-site-optimizer' ),
__( 'Remove emoji scripts and styles to improve page load time', 'enginescript-site-optimizer' )
),
es_optimizer_get_checkbox_field_definition(
$section,
'remove_jquery_migrate',
__( 'Remove jQuery Migrate', 'enginescript-site-optimizer' ),
__( 'Remove jQuery Migrate script. This may affect compatibility with very old plugins.', 'enginescript-site-optimizer' )
),
es_optimizer_get_checkbox_field_definition(
$section,
'disable_classic_theme_styles',
__( 'Disable Classic Theme Styles', 'enginescript-site-optimizer' ),
__( 'Remove classic theme styles added in WordPress 6.1+', 'enginescript-site-optimizer' )
),
);
}
/**
* Get header cleanup settings field definitions.
*
* @since 2.0.0
* @return array<int, array{type: string, section: string, option: string, title: string, description: string}>
*/
function es_optimizer_get_header_cleanup_settings_fields(): array {
$section = 'es_optimizer_header_cleanup';
return array(
es_optimizer_get_checkbox_field_definition(
$section,
'remove_wp_version',
__( 'Remove WordPress Version', 'enginescript-site-optimizer' ),
__( 'Remove WordPress version from the document head.', 'enginescript-site-optimizer' )
),
es_optimizer_get_checkbox_field_definition(
$section,
'remove_rsd_link',
__( 'Remove RSD Link', 'enginescript-site-optimizer' ),
__( 'Remove Really Simple Discovery (RSD) link from the document head.', 'enginescript-site-optimizer' )
),
es_optimizer_get_checkbox_field_definition(
$section,
'remove_wlw_manifest',
__( 'Remove WLW Manifest', 'enginescript-site-optimizer' ),
__( 'Remove Windows Live Writer manifest link.', 'enginescript-site-optimizer' )
),
es_optimizer_get_checkbox_field_definition(
$section,
'remove_shortlink',
__( 'Remove Shortlink', 'enginescript-site-optimizer' ),
__( 'Remove WordPress shortlink URLs from the document head.', 'enginescript-site-optimizer' )
),
es_optimizer_get_checkbox_field_definition(
$section,
'remove_recent_comments_style',
__( 'Remove Recent Comments Style', 'enginescript-site-optimizer' ),
__( 'Remove recent comments widget inline CSS.', 'enginescript-site-optimizer' )
),
);
}
/**
* Get additional settings field definitions.
*
* @since 2.0.0
* @return array<int, array{type: string, section: string, option: string, title: string, description: string}>
*/
function es_optimizer_get_additional_settings_fields(): array {
$section = 'es_optimizer_additional_features';
return array(
es_optimizer_get_checkbox_field_definition(
$section,
'disable_jetpack_ads',
__( 'Disable Jetpack Ads', 'enginescript-site-optimizer' ),
__( 'Remove Jetpack advertisements and promotions.', 'enginescript-site-optimizer' )
),
es_optimizer_get_checkbox_field_definition(
$section,
'disable_post_via_email',
__( 'Disable Post via Email', 'enginescript-site-optimizer' ),
__( 'Disable WordPress post via email functionality for security and performance.', 'enginescript-site-optimizer' )
),
es_optimizer_get_checkbox_field_definition(
$section,
'enable_preconnect',
__( 'Enable Preconnect', 'enginescript-site-optimizer' ),
__( 'Preconnect to external domains for faster resource loading.', 'enginescript-site-optimizer' )
),
es_optimizer_get_textarea_field_definition(
$section,
'preconnect_domains',
__( 'Preconnect Domains', 'enginescript-site-optimizer' ),
__( 'Use preconnect for domains that host critical, frequently used resources, such as Google Fonts. Enter one HTTPS domain per line. Only bare domains are allowed: no file paths, query parameters, fragments, or credentials.', 'enginescript-site-optimizer' )
),
es_optimizer_get_checkbox_field_definition(
$section,
'enable_dns_prefetch',
__( 'Enable DNS Prefetch', 'enginescript-site-optimizer' ),
__( 'DNS prefetch for less critical external domains.', 'enginescript-site-optimizer' )
),
es_optimizer_get_textarea_field_definition(
$section,
'dns_prefetch_domains',
__( 'DNS Prefetch Domains', 'enginescript-site-optimizer' ),
__( 'DNS prefetch is a lighter-weight alternative to preconnect that performs only the DNS lookup. Enter one HTTPS domain per line. Only bare domains are allowed: no file paths, query parameters, fragments, or credentials.', 'enginescript-site-optimizer' )
),
);
}
/**
* Build a checkbox settings field definition.
*
* @since 2.0.0
* @param string $section Settings section ID.
* @param string $option_name Option name.
* @param string $title Field title.
* @param string $description Field description.
* @return array{type: string, section: string, option: string, title: string, description: string}
*/
function es_optimizer_get_checkbox_field_definition( string $section, string $option_name, string $title, string $description ): array {
return es_optimizer_get_field_definition( 'checkbox', $section, $option_name, $title, $description );
}
/**
* Build a textarea settings field definition.
*
* @since 2.0.0
* @param string $section Settings section ID.
* @param string $option_name Option name.
* @param string $title Field title.
* @param string $description Field description.
* @return array{type: string, section: string, option: string, title: string, description: string}
*/
function es_optimizer_get_textarea_field_definition( string $section, string $option_name, string $title, string $description ): array {
return es_optimizer_get_field_definition( 'textarea', $section, $option_name, $title, $description );
}
/**
* Build a settings field definition.
*
* @since 2.0.0
* @param string $type Field type.
* @param string $section Settings section ID.
* @param string $option_name Option name.
* @param string $title Field title.
* @param string $description Field description.
* @return array{type: string, section: string, option: string, title: string, description: string}
*/
function es_optimizer_get_field_definition( string $type, string $section, string $option_name, string $title, string $description ): array {
return array(
'type' => $type,
'section' => $section,
'option' => $option_name,
'title' => $title,
'description' => $description,
);
}
/**
* Store a settings field description for render callbacks.
*
* @since 2.0.0
* @param string $option_name Option name.
* @param string $description Field description.
*/
function es_optimizer_register_field_description( string $option_name, string $description ): void {
global $es_optimizer_field_descriptions;
if ( ! isset( $es_optimizer_field_descriptions ) || ! is_array( $es_optimizer_field_descriptions ) ) {
$es_optimizer_field_descriptions = array();
}
$es_optimizer_field_descriptions[ $option_name ] = $description;
}
/**
* Get a settings field description for render callbacks.
*
* @since 2.0.0
* @param string $option_name Option name.
* @return string Field description.
*/
function es_optimizer_get_field_description( string $option_name ): string {
global $es_optimizer_field_descriptions;
if ( ! isset( $es_optimizer_field_descriptions ) || ! is_array( $es_optimizer_field_descriptions ) ) {
return '';
}
return (string) ( $es_optimizer_field_descriptions[ $option_name ] ?? '' );
}
/**
* Build a field ID for a settings option.
*
* @since 2.0.0
* @param string $option_name Option name.
* @return string Field ID.
*/
function es_optimizer_get_field_id( string $option_name ): string {
return "es_optimizer_field_{$option_name}";
}
/**
* Get an option name from Settings API field arguments.
*
* @since 2.0.0
* @param array{label_for?: string, class?: string} $args Field arguments.
* @return string Option name.
*/
function es_optimizer_get_option_name_from_field_args( array $args ): string {
$field_id = $args['label_for'] ?? '';
$prefix = 'es_optimizer_field_';
if ( str_starts_with( $field_id, $prefix ) ) {
return substr( $field_id, strlen( $prefix ) );
}
return '';
}
/**
* Register a checkbox settings field.
*
* @since 2.0.0
* @param string $page Settings page slug.
* @param string $section Settings section ID.
* @param string $option_name Option name.
* @param string $title Field title.
* @param string $description Field description.
*/
function es_optimizer_register_checkbox_field( string $page, string $section, string $option_name, string $title, string $description ): void {
es_optimizer_register_field_description( $option_name, $description );
add_settings_field(
$option_name,
$title,
'es_optimizer_render_checkbox_field',
$page,
$section,
array(
'label_for' => es_optimizer_get_field_id( $option_name ),
'class' => 'es-optimizer-field',
)
);
}
/**
* Register a textarea settings field.
*
* @since 2.0.0
* @param string $page Settings page slug.
* @param string $section Settings section ID.
* @param string $option_name Option name.
* @param string $title Field title.
* @param string $description Field description.
*/
function es_optimizer_register_textarea_field( string $page, string $section, string $option_name, string $title, string $description ): void {
es_optimizer_register_field_description( $option_name, $description );
add_settings_field(
$option_name,
$title,
'es_optimizer_render_textarea_field',
$page,
$section,
array(
'label_for' => es_optimizer_get_field_id( $option_name ),
'class' => 'es-optimizer-field',
)
);
}
/**
* Add settings page to the admin menu.
*
* @since 1.0.0
*/
function es_optimizer_add_settings_page(): void {
add_options_page(
__( 'Site Optimizer Settings', 'enginescript-site-optimizer' ),
__( 'Site Optimizer', 'enginescript-site-optimizer' ),
'manage_options',
'es-optimizer-settings',
'es_optimizer_settings_page'
);
}
/**
* Render the settings page.
*
* @since 1.0.0
*/
function es_optimizer_settings_page(): void {
if ( ! current_user_can( 'manage_options' ) ) {
wp_die( esc_html__( 'You do not have sufficient permissions to access this page.', 'enginescript-site-optimizer' ) );
}
?>
<div class="wrap">
<h1><?php esc_html_e( 'Site Optimizer Settings', 'enginescript-site-optimizer' ); ?></h1>
<p><?php esc_html_e( 'Select which optimizations you want to enable and customize the resource hint domains.', 'enginescript-site-optimizer' ); ?></p>
<?php settings_errors( 'es_optimizer_options' ); ?>
<form method="post" action="options.php">
<?php
settings_fields( 'es_optimizer_settings' );
do_settings_sections( 'es-optimizer-settings' );
submit_button( __( 'Save Changes', 'enginescript-site-optimizer' ) );
?>
</form>
<hr>
<p>
<?php esc_html_e( 'This plugin is part of the EngineScript project.', 'enginescript-site-optimizer' ); ?>
<a href="https://github.com/EngineScript/EngineScript" target="_blank" rel="noopener noreferrer">
<?php esc_html_e( 'Visit the EngineScript GitHub page', 'enginescript-site-optimizer' ); ?>
</a>
</p>
</div>
<?php
}
/**
* Render a checkbox option field.
*
* @since 1.0.0
* @param array{label_for?: string, class?: string} $args Field arguments.
*/
function es_optimizer_render_checkbox_field( array $args ): void {
$options = es_optimizer_get_options();
$option_name = es_optimizer_get_option_name_from_field_args( $args );
if ( ! array_key_exists( $option_name, es_optimizer_get_default_options() ) ) {
return;
}
$field_id = es_optimizer_get_field_id( $option_name );
$description = es_optimizer_get_field_description( $option_name );
?>
<label>
<input id="<?php echo esc_attr( $field_id ); ?>" type="checkbox" name="<?php echo esc_attr( "es_optimizer_options[{$option_name}]" ); ?>" value="1" <?php checked( 1, (int) ( $options[ $option_name ] ?? 0 ) ); ?> />
<?php echo esc_html( $description ); ?>
</label>
<?php
}
/**
* Render a textarea option field.
*
* @since 1.0.0
* @param array{label_for?: string, class?: string} $args Field arguments.
*/
function es_optimizer_render_textarea_field( array $args ): void {
$options = es_optimizer_get_options();
$option_name = es_optimizer_get_option_name_from_field_args( $args );
if ( ! array_key_exists( $option_name, es_optimizer_get_default_options() ) ) {
return;
}
$field_id = es_optimizer_get_field_id( $option_name );
$description = es_optimizer_get_field_description( $option_name );
$textarea_value = $options[ $option_name ] ?? '';
?>
<p class="description"><?php echo esc_html( $description ); ?></p>
<textarea id="<?php echo esc_attr( $field_id ); ?>" name="<?php echo esc_attr( "es_optimizer_options[{$option_name}]" ); ?>" rows="5" cols="50" class="large-text code"><?php echo esc_textarea( (string) $textarea_value ); ?></textarea>
<?php
}
/**
* Add settings link to plugins page.
*
* @since 1.0.0
* @param array<int|string, string> $links Plugin action links.
* @return array<int|string, string> Modified plugin action links.
*/
function es_optimizer_add_settings_link( array $links ): array {
$settings_link = '<a href="' . esc_url( admin_url( 'options-general.php?page=es-optimizer-settings' ) ) . '">' . esc_html__( 'Settings', 'enginescript-site-optimizer' ) . '</a>';
array_unshift( $links, $settings_link );
return $links;
}