'path/to/style2.css', // -> depends on style1.css
* 'http://my_url1.com', //
* 'script1_js' => 'path/to/script2.js', // -> depends on script1.js
* 'path/to/file1.html', // | will be returned
* 'path/to/file2.html', // -> | as expanded html
* 'path/to/file3.html', // | in the order included
* 'handle_name' => 'path/to/script3.js', // -> depends on the script with handle 'handle_name'
* array( //
* 'path/to/script4.js', // | add a script with attributes
* 'attribute_1' => 'value_1', // -> | first element of array must be
* 'attribute_2' => 'value_2', // | the script, without explicit key
* ), //
* array( 'js' => 'var_js' ), // -> add inline js, only first element will be used
* array( 'css' => 'var_css' ), // -> add inline css, only first element will be used
* ),
* compact( // these variables are added to html and js files
* 'var_1', // - in html files you can access them directly
* 'var_2', // - in js files they are properties of object PLGNTLS_data
* 'var_3', // like PLGNTLS_data.var_1;
* )
* );
*
*/
class Plgntls_custer {
/*
* 0 : dont output
* 1 : output only level 1 - not always on top of function, output default, only prevent if specifically level 2
* typical for early hooks like 'init' or 'wp', where there is a first check to see if you should 'enter' in this function, level 1 will be present after thoses checks
* 2 : output everything
*
private static $_DEBUG_INFOS = 1;
private static $_DEBUG_INFOS = 2;
*/
private static $_DEBUG_INFOS = 0;
private static $_instance_count = 0;
private static $_adding_count = 0;
private static $_init_count = 0;
private $_first_script = null;
private $_first_style = null;
private $_js_dependencies = array();
private $_css_dependencies = array();
private $_scripts_attributes = array();
private static $_prefix = null;
private static $_options_action = null;
private static $_options_list = null;
/*
*/
public function __construct() {
++self::$_instance_count;
self::init_class();
}
public static function init_class() {
if (self::$_init_count > 0) {
return;
}
++self::$_init_count;
self::$_prefix = strtoupper(__CLASS__);
/*
* 'set paths and urls' init
*
*/
self::_init_root_dir();
/*
* 'debug logs' init
*
*/
/*
* 'add to front' init
*
*/
/*
* 'add menu' init
*
*/
$option_admin_menu_name = self::$_option_toggle_menu['_name'];
self::$_option_toggle_menu['_name'] = $option_admin_menu_name . self::$_plugin_dir;
add_filter("plugin_action_links_".self::$_plugin_dir."/".self::$_main_file, function($links) {
return self::_add_link_to_plugin($links);
});
/*
* 'handle options' init
*
*/
self::$_options_action = 'action_for_admin_post_options_'.self::$_plugin_dir;
self::$_options_list = 'list_of_options_for_this_plugin_'.self::$_plugin_dir;
if (false === get_option(self::$_options_list)) {
add_option(self::$_options_list, '', '', 'no');
}
add_action('admin_post_'.self::$_options_action, function() {
self::_handle_admin_post_option();
});
}
/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* (
* ACTIONS FUNCTIONS
*
* 1. set paths and urls
* 2. debug logs
* 3. add to front
* 4. add menu
* 5. handle options
*
* END{ 5{ 4{ 3{ 2{ 1{
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* 1 *
* * * * * * *
*})( set paths and urls *
* * * * * * *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
private static $_plugin_dir_path;
private static $_plugin_dir;
private static $_file_dir_path;
private static $_file_name;
private static $_main_file;
private static $_root_path;
private static $_root_url;
/*
* ex:
* /home/www-data/cipf_plugin/php/test/test2/test3/test.php
* _plugin_dir_path /home/www-data
* _plugin_dir cipf_plugin
* _file_dir_path php/test/test2/test3
* _file_name test.php
* _root_path /home/www-data/cipf_plugin/
* _main_file main_file,php
*
* /home/www-data/cipf_plugin/test.php
* _plugin_dir_path /home/www-data
* _plugin_dir cipf_plugin
* _file_dir_path ''
* _file_name test.php
* _root_path /home/www-data/cipf_plugin/
* _main_file main_file,php
*
*/
private static function _init_root_dir() {
if (isset(self::$_plugin_dir, self::$_file_name, self::$_file_dir_path, self::$_plugin_dir_path))
return ;
/*
* it uses exploded_path_path by removing data from the array
* so order is important !
* plugin_dir / path / to / file.php
* exploded [plugin_dir, path, to, file.php]
* plugin_dir plugin_dir [path, to, file.php]
* file_name [path, to] file.php
* file_dir_name path / to
*/
$exploded_plugin_path = explode('/', plugin_basename( __FILE__ ));
self::$_plugin_dir = array_shift($exploded_plugin_path);
self::$_file_name = array_pop($exploded_plugin_path);
self::$_file_dir_path = implode('/', $exploded_plugin_path);
self::$_plugin_dir_path = str_replace('/'.plugin_basename(__DIR__).'/', '', plugin_dir_path(__FILE__));
// https://wordpress.stackexchange.com/questions/19900/how-to-get-main-plugin-theme-file
// https://wordpress.stackexchange.com/questions/149802/get-plugins-doesnt-work-after-plugins-loaded
if (!function_exists('get_plugins')) {
include_once ABSPATH . 'wp-admin/includes/plugin.php';
}
$plugin_data = get_plugins("/".self::$_plugin_dir);
self::$_main_file = array_keys($plugin_data)[0];
self::$_root_path = self::$_plugin_dir_path.'/'.self::$_plugin_dir.'/';
self::$_root_url = plugins_url(self::$_plugin_dir.'/');
}
public static function root_path() {
self::init_class();
return(self::$_root_path);
}
public static function root_url() {
self::init_class();
return(self::$_root_url);
}
/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* 2 *
* * * * * * *
*})( debugs logs *
* * * * * * *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
public static function debug_infos($level = null) {
if (self::$_DEBUG_INFOS === 0) {
return;
}
else if (self::$_DEBUG_INFOS === 1 && $level === 2) {
return;
}
$trace = debug_backtrace();
$function = $trace[1]['function'];
$file = $trace[0]['file'];
$line = $trace[0]['line'];
error_log("-debug: function '".$function."' (in ".$file.", line ".$line .')');
}
/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* 3 *
* * * * * * *
*})( add to front *
* * * * * * *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
public static function add_to_front($srcs_arr = array(), $vars = array()) {
$instance = new self();
return $instance->_add_to_front($srcs_arr, $vars);
}
private function _add_to_front($srcs_arr, $vars) {
/*
* even if the function is called with no srcs
* add fetch, because it can be used just for that
*/
if (self::$_adding_count === 0) {
$this->_add_fetch($srcs_arr, $vars);
}
$srcs = array();
foreach($srcs_arr as $src_key => $src_value) {
$init = $this->_init_src($src_key, $src_value);
if ($init !== null)
$srcs[] = $init;
}
if (!is_null($srcs_arr)) {
$this->_add_srcs_to_front($srcs);
}
if (!is_null($vars)) {
$this->_add_vars_to_front($vars);
}
$add_html = $this->_create_html($srcs, $vars);
self::$_adding_count += 1;
return $add_html;
}
/*
* for fetch, we add the script that contains the fetch function
* it's an inline script, but is made globally available by adding it to window
*
*/
private function _add_fetch(&$srcs_arr, &$vars) {
// add fetch script at end of scripts list
// it will try to be added at the first script anyway,
// but for that, the scripts must be already enqueued,
// hence adding it at the end of the array
$srcs_arr[] = array('js'=>$this->_fetch_script());
// for the custom endpoints in rest api to work
// they need to have a nonce named 'wp_rest'
// see : https://developer.wordpress.org/rest-api/using-the-rest-api/authentication/
$fetch_nonce = array("fetch_nonce" => wp_create_nonce('wp_rest'));
$fetch_url = array("fetch_url" => get_site_url() . "/wp-json");
$vars = array_merge($vars, $fetch_nonce);
$vars = array_merge($vars, $fetch_url);
}
private function _fetch_script() {
return "
if (typeof window !== 'undefined') {
window.PLGNTLS_fetch = function PLGNTLS_fetch(url, options = {}) {
url = PLGNTLS_data.fetch_url + url;
options.headers = options.headers || {};
options.headers['X-WP-Nonce'] = PLGNTLS_data.fetch_nonce;
return fetch(url, options);
}
}
";
}
/*
* @param two arguments :
* 1. html files to include in front
* - can be a string of 1 filename
* - or an array of strings of filenames
* ( https://stackoverflow.com/q/4747876/9497573 )
* - it's probably better to only add 1 file, and let it include other files
* 2. list of variables to make available to this files
* - in the form of key => val
* - recommanded to do it with compact()
* ex: _create_html( "file.html", compact("var1","var2",) );
* ex: _create_html( array("file1.html", "file2.html"), array("var1"=>"value") );
* @return a string of html code
*
*/
private function _create_html($files = null, $vars = null) {
if (is_null($files))
return null;
$plgn_dir = $this->root_path();
if (!is_null($vars))
extract($vars);
// using ob_start() and ob_get_clean()
// allows to have php expansion inside the html loaded
// in opposition to the method file_get_contents()
// https://stackoverflow.com/a/4402045/9497573
ob_start();
foreach($files as $file) {
if ($file->ext === 'html')
include($file->path);
}
return ob_get_clean();
}
/*
* pass variables to js front as global variables
* @param array : list of key => value
* with the key being name of the variable, like this :
* 'my_var' => 'value',
* simpler way to do it is to use compact when calling the function :
* add_var_to_front(compact("var1", "var2", "var3"));
* @param string (optionnal) : name of first embended script that need these variables
* (it will be available to this script and all followings)
* this name is the filename + "_" + extension :
* init.js -> init_js
*/
private function _add_vars_to_front($vars_arr) {
if (is_null($vars_arr))
return ;
$object_name = self::$_prefix . "_data";
$vars_json = json_encode($vars_arr);
// note : we need to use 'var' instead of 'let' or 'const',
// because their scope is restricted to the if statement
$front = "
if (typeof $object_name === 'undefined') {
var $object_name = $vars_json;
}
else {
Object.assign($object_name, $vars_json);
}
";
$handle = $this->_check_inline_handles('js');
if (!is_null($handle)) {
wp_add_inline_script($handle, $front, 'before');
}
else {
// in last ressort, but bad
echo '';
}
}
/*
* @param array : list of files :
* - with their path from root of their type of file (ex: from js/ to .js files)
* - and with their extension
* @param boolean
* - to add ajax script and variables
* - default to true
*/
private function _add_srcs_to_front($srcs_arr) {
//wp_enqueue_script(, /url/to/script, [depends on], version, defer? );
//wp_enqueue_style( , /url/to/script, [depends on], version, media );
$previous_css_basename = '';
$previous_js_basename = '';
foreach ($srcs_arr as $src) {
if ($src->inline === "js") {
$this->_add_inline_script($src);
}
else if ($src->inline === "css") {
$this->_add_inline_style($src);
}
else if (in_array($src->ext, array("js", "url"))) {
$this->_add_script($src, $previous_js_basename);
$previous_js_basename = $src->handle;
}
else if ($src->ext === "css") {
$this->_add_style($src, $previous_css_basename);
$previous_css_basename = $src->handle;
}
}
// https://developer.wordpress.org/reference/hooks/wp_script_attributes/
// https://wordpress.stackexchange.com/questions/66843/attach-a-private-function-at-a-hook
add_filter( 'wp_script_attributes', fn($attr)=>$this->_add_attributes_to_script($attr), 10, 1 );
//uncomment to print all enqueued files, can be usefull
/*
global $wp_scripts;
error_log("wp_scripts->queue:");
error_log(json_encode($wp_scripts->queue));
global $wp_styles;
error_log("wp_styles->queue:");
error_log(json_encode($wp_styles->queue));
*/
}
private function _add_script($script, $previous_js_basename) {
if (is_null($this->_first_script)) {
$this->_first_script = $script->handle;
}
$depends_on = $this->_check_dependencies($script, $previous_js_basename);
if ($depends_on !== null) {
wp_enqueue_script( $script->handle, $script->url, $depends_on, $script->version, true);
}
}
private function _add_style($style, $previous_css_basename) {
if (is_null($this->_first_style)) {
$this->_first_style = $style->handle;
}
$depends_on = $this->_check_dependencies($style, $previous_css_basename);
if ($depends_on !== null) {
wp_enqueue_style( $style->handle, $style->url, $depends_on, $style->version, '');
}
}
private function _add_inline_script($src) {
$handle = $this->_check_inline_handles('js', $src);
if (!is_null($handle)) {
wp_add_inline_script($handle, $src->src, 'before');
}
else {
// in last ressort, only add the script inline, it's not ideal,
// but the only situation where it should not work is if another script is loaded before
// and it should not be the case otherwise the handle would not have returned true
echo '';
}
}
private function _add_inline_style($src) {
$handle = $this->_check_inline_handles('css', $src);
if (!is_null($handle)) {
wp_add_inline_style($handle, $src->src);
}
else {
// in last ressort, cf script notes above
echo '';
}
}
private function _add_attributes_to_script($attr) {
if (empty($attr['id'])) {
return $attr;
}
$handle = $attr['id'];
if (isset($this->_scripts_attributes[$handle])) {
$script = $this->_scripts_attributes[$handle];
}
else {
return $attr;
}
foreach($script as $key => $value){
$attr[$key] = $value;
}
unset($this->_scripts_attributes[$handle]);
return $attr;
}
private function _check_dependencies(&$src, $previous_basename) {
if (in_array($src->ext, array("js", "url"))) {
global $wp_scripts;
$already_enqueued = array_search($src->handle, $wp_scripts->queue);
if ($already_enqueued !== false) {
return null;
}
}
else if ($src->ext === "css") {
global $wp_styles;
$already_enqueued = array_search($src->handle, $wp_styles->queue);
if ($already_enqueued !== false) {
return null;
}
}
$depends_on = array();
if (isset($src->depends) && $src->depends !== '') {
$depends_on[] = $src->depends;
}
if (isset($previous_basename) && $previous_basename !== '') {
$depends_on[] = $previous_basename;
}
return $depends_on;
}
private function _check_inline_handles($type = null, $src = null) {
/*
* first, try to simply get the explicit dependency
*
*/
$handle = null;;
if (!is_null($src)){
$handle = $src->depends;
}
if (!empty($handle) && !is_null($handle)) {
return $handle;
}
/*
* second, try to get the first enqueued src of this call to 'add_to_front()'
* and make it the dependency
* default to js
*
*/
if ($type === "js" || is_null($type)) {
$handle = $this->_first_script;
}
else if ($type === "css") {
$handle = $this->_first_style;
}
if (!empty($handle) && !is_null($handle)) {
return $handle;
}
/*
* third, try to get the last enqueued src of the page
* https://www.php.net/manual/en/function.array-key-last.php
*
*/
if ($type === "js" || is_null($type)) {
global $wp_scripts;
$array = $wp_scripts->queue;
}
else if ($type === "css") {
global $wp_styles;
$array = $wp_styles->queue;
}
$last_key = array_key_last($array);
if (!is_null($last_key)) {
return $array[$last_key];
}
/*
* didn't find any handle to add the src to it
*
*/
return null;
}
/*
* @param string : name of the file, with its path from its extension directory
* - from js/ root for .js files
* - from css/ root for .css files
* @return object / null :
* - null if file is not valid
* - or an object with all the necessary infos :
* 0. src : array("name.js", ...) -> "name.js"
* "name.js" -> "name.js"
* 1. ext : name.js -> "js"
* 2. basename : name.js -> "name"
* 3. handle : name.js -> "name_js"
* 4. url : url to file in wordpress
* 5. path : path to file in server
* 6. version : used to avoid browser caching
* 7. depends : string if depends on a handle, or ''
* 8. attr : associative array of html attribute like 'type'=>'module'
* 9. inline : array("js" => "name.js") -> js
* array("css" => "name.css") -> css
*/
private function _init_src($key, $value) {
if (empty($value))
return null;
$src = (object)[
'src' => null,
'ext' => null,
'basename' => null,
'handle' => null,
'url' => null,
'path' => null,
'version' => null,
'depends' => null,
'attr' => null,
'inline' => null,
];
// 7. depends
if (is_string($key))
$src->depends = $key;
// 0. src
// 8. attr
// 9. inline
// first element of array is used, so must not be empty
// value => ['path/to/file', 'key1'=>'value1', 'key2'=>'value2']
// src => 'path/to/file'
// attr => ['key1'=>'value1', 'key2'=>'value2']
if (is_array($value)){
$first_key = array_keys($value)[0];
if (empty($value[$first_key]))
return null;
if ($first_key === 0) { // is a script file or url with attributes
$src->src = array_shift($value);
$src->attr = $value;
}
else if ($first_key === "js" || $first_key === "css") { // is an inline code
$src->src = $value[$first_key];
$src->inline = $first_key;
return $src; // inline only needs 'depends', 'src' and 'inline'
}
}
else {
$src->src = $value;
$src->attr = null;
}
// 1. ext
if(filter_var($src->src, FILTER_VALIDATE_URL))
$src->ext = "url";
else
$src->ext = pathinfo($src->src, PATHINFO_EXTENSION);
if (! in_array($src->ext, array("js", "css", "html", "url")))
return null;
// 2. basename
// 3. handle
// basename handle
// https://www.url.com/route -> www.url.com/route -> www_url_com_route
// path/to/script.js -> script.js -> script_js
if ($src->ext === "url") {
$url = parse_url($src->src);
$src->basename = $url['host'] . $url['path'];
}
else
$src->basename = pathinfo($src->src, PATHINFO_BASENAME);
$src->handle = "PLGNTLS_" . str_replace(array('.', '/'), "_", $src->basename);
// 4. url
// 5. path
// 6. version
if ($src->ext === "url") {
$src->url = $src->src;
$src->path = null;
$src->version = null;
}
else {
$src->url = $this->root_url().$src->src;
$src->path = $this->root_path().$src->src;
$src->version = date("ymd-Gis", filemtime($src->path));
}
// if ext is 'js' or 'url' and attr is not empty
// also add to global variable to access in 'wp_script_attributes' filter
if ($src->ext === 'js' || $src->ext === 'url') {
if ($src->attr !== null) {
$this->_scripts_attributes[$src->handle.'-js'] = $src->attr;
}
}
return $src;
}
/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* 4 *
* * * * * * *
*})( add menu *
* * * * * * *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
'_name'=>'toggle_admin_menu_option_cipf',
*/
private static $_option_toggle_menu = [
'_name'=>'toggle_admin_menu_option_',
'_default'=>'hide',
'show'=>'show',
'hide'=>'hide',
];
/*
* options is the options needed to set a new menu
* see _create_menu below for more informations
*
*/
public static function add_menu($menu_options) {
/*
* will init the filter for the toggle
*
*/
self::init_class();
if (empty($menu_options)) {
return;
}
/*
* if menu_options is only a string, we assume it is the callback
*
*/
if (is_string($menu_options)) {
$menu_options = array('callback'=>$menu_options);
}
self::_create_menu($menu_options);
}
/*
* triggered by filter "admin_menu"
*
* page_title -> (optional, default 'name')
* name -> (optional, default _plugin_dir)
* capability -> (optional, default 'manage_options')
* slug -> (optional, default 'name')
* callback -> required
* toggle -> (optional, default true)
*
*/
private static function _create_menu($menu_options) {
if (!isset($menu_options['name'])) {
$menu_options['name'] = self::$_plugin_dir;
}
$default = array(
'page_title'=> $menu_options['name'],
'name' => $menu_options['name'],
'capability'=> 'manage_options',
'slug' => $menu_options['name'],
'callback' => $menu_options['callback'],
'toggle' => true,
);
foreach ($default as $key => $value) {
if (!isset($menu_options[$key])) {
$menu_options[$key] = $value;
}
}
if (false === $menu_options['toggle']) {
add_menu_page($menu_options['page_title'], $menu_options['name'], $menu_options['capability'], $menu_options['slug'], $menu_options['callback']);
}
else {
self::_toggle_menu($menu_options['page_title'], $menu_options['name'], $menu_options['capability'], $menu_options['slug'], $menu_options['callback']);
}
}
private static function _toggle_menu($menu_page_title, $menu_title, $menu_capability, $menu_slug, $menu_callback) {
$toggle_menu = self::$_option_toggle_menu;
$toggle = self::get_option_safe($toggle_menu);
if ($toggle === $toggle_menu['hide']) {
remove_menu_page($menu_slug);
}
else if ($toggle === $toggle_menu['show']) {
add_menu_page($menu_page_title, $menu_title, $menu_capability, $menu_slug, $menu_callback);
}
}
/*
* add link under the plugin in the plugins admin page
* triggered by filter “plugin_action_links_{$plugin_file}”
*
*/
private static function _add_link_to_plugin($links) {
$option_toggle = self::$_option_toggle_menu;
$toggle = self::get_option_safe($option_toggle);
if (false === $toggle) {
return $links;
}
if (!in_array($toggle, ['hide', 'show'])) {
return $links;
}
$state = $toggle === 'show' ? 'hide' : 'show';
$link = "";
$links[] = $link;
return $links;
}
/*
* callback of the option toggle_menu
* handle the toggle menu when url is reached
*
*/
public static function toggle_plugin_menu($request, $option_name, $option_value) {
if ($request[$option_name] === 'show') {
update_option($option_name, 'show');
}
else if ($request[$option_name] === 'hide') {
update_option($option_name, 'hide');
}
}
/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* 5 *
* * * * * * *
*})( handle options *
* * * * * * *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
public static function get_option_safe($option, $name = false) {
/*
* first init option, in case it was not already
* it will returns the option name or false
* it also works if the option is the name directly
*
*/
$option_name = self::_init_option($option);
if (false === $option_name) {
return;
}
/*
* get option
* try to unserialize it
* if unserialization failed, it means it was not serialized
* - unserialize returns false if cannot unserialize,
* - which can also means it unserialized successfully the value 'false'
* - so checking for this special case with the serialized value of 'false'
*
*/
$option_data = get_option($option_name);
if (!is_string($option_data)) {
$ret_option = $option_data;
}
else {
$false_serialized = serialize(false);
$option_unserialized = @unserialize($option_data);
if ($option_unserialized === false && $option_data != $false_serialized) {
$ret_option = $option_data;
}
else {
$ret_option = $option_unserialized;
}
}
/*
* $name is true,
* add the _name entry to the output,
* it will overwrite any existing _name key
* if option is not an array,
* make it array and put the value into a '_value' key
*
*
*/
if ($name === true) {
if (!is_array($ret_option)) {
$value = $ret_option;
$ret_option = array();
$ret_option['_value'] = $value;
}
$ret_option['_name'] = $option_name;
}
return $ret_option;
}
public static function update_option_safe($option, $option_data) {
/*
* first init option, in case it was not already
* it will returns the option name or false
* it also works if the option is the name directly
*
*/
$option_name = self::_init_option($option);
if (false === $option_name) {
return;
}
if (!is_string($option_data)) {
$option_data = serialize($option_data);
}
update_option($option_name, $option_data);
}
public static function get_option_link_href($option_name) {
$option_data = self::_get_option_data($option_name);
if (false === $option_data) {
return null;
}
$href = admin_url('admin-post.php');
$href .= "?action=" . $option_data['_action'];
$href .= "&" . $option_data['_nonce_name'] . "=" . wp_create_nonce($option_data['_nonce_action']);
$href .= "&option_name=" . $option_data['_name'];
return $href;
}
/*
* this replaces the form opening tag