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<?php
/**
* Checks for Plugin Territory Guidelines.
*
* @link https://make.wordpress.org/themes/handbook/review/required/#presentation-vs-functionality
*
* @package Theme Check
*/
/**
* Checks for Plugin Territory
*/
class Plugin_Territory_Check implements themecheck {
/**
* Error messages, warnings and info notices.
*
* @var array $error
*/
protected $error = array();
/**
* Check that return true for good/okay/acceptable, false for bad/not-okay/unacceptable.
*
* @param array $php_files File paths and content for PHP files.
* @param array $css_files File paths and content for CSS files.
* @param array $other_files Folder names, file paths and content for other files.
*/
public function check( $php_files, $css_files, $other_files ) {
$ret = true;
// Functions that are required to be removed from the theme.
$forbidden_functions = array(
'register_post_type',
'register_taxonomy',
'register_block_type',
'add_role',
'add_shortcode',
'registerBlockType',
);
// Hooks (actions & filters) that are required to be removed from the theme.
$forbidden_hooks = array(
'filter' => array(
'mime_types',
'upload_mimes',
'user_contactmethods',
),
);
/**
* Check for removal of non presentational hooks.
*/
$blocklist = array(
'wp_head' => array(
'wp_generator', // @link https://developer.wordpress.org/reference/functions/wp_generator/
'feed_links', // @link https://developer.wordpress.org/reference/functions/feed_links/
'feed_links_extra', // @link https://developer.wordpress.org/reference/functions/feed_links_extra/
'wp_resource_hints', // @link https://developer.wordpress.org/reference/functions/wp_resource_hints/
'adjacent_posts_rel_link_wp_head', // @link https://developer.wordpress.org/reference/functions/adjacent_posts_rel_link_wp_head/
'wp_shortlink_wp_head', // @link https://developer.wordpress.org/reference/functions/wp_shortlink_wp_head/
'_admin_bar_bump_cb', // @link https://developer.wordpress.org/reference/functions/_admin_bar_bump_cb/
'rsd_link', // @link https://developer.wordpress.org/reference/functions/rsd_link/
'rest_output_link_wp_head', // @link https://developer.wordpress.org/reference/functions/rest_output_link_wp_head/
'wp_oembed_add_discovery_links', // @link https://developer.wordpress.org/reference/functions/wp_oembed_add_discovery_links/
'wp_oembed_add_host_js', // @link https://developer.wordpress.org/reference/functions/wp_oembed_add_host_js/
'rel_canonical', // @link https://developer.wordpress.org/reference/functions/rel_canonical/
),
'template_redirect' => array(
'rest_output_link_header', // @link https://developer.wordpress.org/reference/functions/rest_output_link_header/
'wp_shortlink_header', // @link https://developer.wordpress.org/reference/functions/wp_shortlink_header/
'redirect_canonical', // @link https://developer.wordpress.org/reference/functions/redirect_canonical/
),
);
foreach ( $php_files as $php_key => $phpfile ) {
foreach ( $forbidden_functions as $function ) {
checkcount();
if ( preg_match( '/[\s?]' . $function . '\s?\(/', $phpfile ) ) {
$filename = tc_filename( $php_key );
$grep = tc_grep( $function, $php_key );
$this->error[] = sprintf(
'<span class="tc-lead tc-required">%s</span>: %s',
__( 'REQUIRED', 'theme-check' ),
sprintf(
__( 'The theme uses the %1$s function in the file %2$s. %1$s is plugin-territory functionality and must not be used in themes. Use a plugin instead. %3$s', 'theme-check' ),
'<strong>' . esc_html( $function ) . '()</strong>',
esc_html( $filename ),
$grep
)
);
$ret = false;
}
}
foreach ( $forbidden_hooks as $type => $hooks ) {
foreach ( $hooks as $hook ) {
checkcount();
if ( preg_match( '/[\s?]add_' . $type . '\s*\(\s*([\'"])' . $hook . '([\'"])\s*,/', $phpfile ) ) {
$filename = tc_filename( $php_key );
$grep = tc_grep( $hook, $php_key );
$this->error[] = sprintf(
'<span class="tc-lead tc-required">%s</span>: %s',
__( 'REQUIRED', 'theme-check' ),
sprintf(
__( 'The theme uses the %1$s %2$s in the file %3$s. This is plugin-territory functionality and must not be used in themes. Use a plugin instead. %4$s', 'theme-check' ),
'<strong>' . esc_html( $hook ) . '</strong>',
esc_html( $type ),
$filename,
$grep
)
);
$ret = false;
}
}
}
foreach ( $blocklist as $hook => $functions ) {
foreach ( $functions as $function ) {
checkcount();
if ( preg_match( '/[\s?]remove_action\s*\(\s*([\'"])' . $hook . '([\'"])\s*,\s*([\'"])' . $function . '([\'"])/', $phpfile ) ) {
$filename = tc_filename( $php_key );
$grep = tc_preg( '/' . $hook . '([\'"])\s*,\s*([\'"])' . $function . '([\'"])/', $php_key );
$this->error[] = sprintf(
'<span class="tc-lead tc-required">%s</span>: %s',
__( 'REQUIRED', 'theme-check' ),
sprintf(
__( 'The theme uses <strong>remove_action %1$s %2$s</strong> in the file %3$s. This is plugin-territory functionality and must not be used in themes. Use a plugin instead. %4$s', 'theme-check' ),
esc_html( $hook ),
esc_html( $function ),
$filename,
$grep
)
);
$ret = false;
}
}
}
}
return $ret;
}
/**
* Get error messages from the checks.
*
* @return array Error message.
*/
public function getError() {
return $this->error;
}
}
$themechecks[] = new Plugin_Territory_Check();