| 1 |
<?php |
| 2 |
/** |
| 3 |
* This is the class that handles the overall logic for integration with the new Gutenberg Editor (WordPress 5.0+). |
| 4 |
* |
| 5 |
* @see https://pixelgrade.com |
| 6 |
* @author Pixelgrade |
| 7 |
* @since 2.2.0 |
| 8 |
*/ |
| 9 |
|
| 10 |
if ( ! defined( 'ABSPATH' ) ) { |
| 11 |
exit; // Exit if accessed directly |
| 12 |
} |
| 13 |
|
| 14 |
if ( ! class_exists( 'Customify_Block_Editor' ) ) { |
| 15 |
|
| 16 |
class Customify_Block_Editor { |
| 17 |
|
| 18 |
/** |
| 19 |
* Holds the only instance of this class. |
| 20 |
* @var null|Customify_Block_Editor |
| 21 |
* @access protected |
| 22 |
* @since 2.2.0 |
| 23 |
*/ |
| 24 |
protected static $_instance = null; |
| 25 |
|
| 26 |
/* |
| 27 |
* Selectors that we will use to constrain CSS rules to certain scopes. |
| 28 |
*/ |
| 29 |
public static $editor_namespace_selector = '.edit-post-visual-editor.editor-styles-wrapper'; |
| 30 |
public static $title_namespace_selector = '.editor-styles-wrapper .editor-post-title__block'; |
| 31 |
public static $title_input_namespace_selector = '.editor-styles-wrapper .editor-post-title__block .editor-post-title__input'; |
| 32 |
public static $block_namespace_selector = '.edit-post-visual-editor.editor-styles-wrapper .editor-block-list__block'; |
| 33 |
|
| 34 |
/** |
| 35 |
* Regexes |
| 36 |
*/ |
| 37 |
public static $gutenbergy_selector_regex = '/^(\.edit-post-visual-editor|\.editor-block-list__block).*$/'; |
| 38 |
public static $root_regex = '/^(body|html).*$/'; |
| 39 |
public static $title_regex = '/^(h1|h1\s+.*|\.single\s*\.entry-title.*|\.entry-title.*|\.page-title.*|\.article__?title.*)$/'; |
| 40 |
/* Regexes based on which we will ignore selectors = do not include them in the selector list for a certain rule. */ |
| 41 |
public static $excluded_selectors_regex = array( |
| 42 |
// We don't want to mess with buttons as we have a high likelihood of messing with the Gutenberg toolbar. |
| 43 |
'/^\s*button/', |
| 44 |
'/^\s*\.button/', |
| 45 |
'/^\s*input/', |
| 46 |
'/^\s*select/', |
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'/^\s*#/', // ignore all ids |
| 48 |
'/^\s*div#/', // ignore all ids |
| 49 |
|
| 50 |
'/\.u-/', |
| 51 |
'/\.c-/', |
| 52 |
'/\.o-/', |
| 53 |
'/\.site-/', |
| 54 |
'/\.card/', |
| 55 |
|
| 56 |
'/^\s*\.archive/', |
| 57 |
'/^\s*\.search/', |
| 58 |
'/^\s*\.no-results/', |
| 59 |
'/^\s*\.home/', |
| 60 |
'/^\s*\.blog/', |
| 61 |
'/^\s*\.site-/', |
| 62 |
'/\.search/', |
| 63 |
'/\.page/', |
| 64 |
'/\.mce-content-body/', |
| 65 |
'/\.attachment/', |
| 66 |
'/\.mobile/', |
| 67 |
|
| 68 |
'/\.sticky/', |
| 69 |
'/\.custom-logo-link/', |
| 70 |
|
| 71 |
'/\.entry-meta/', |
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'/\.entry-footer/', |
| 73 |
'/\.header-meta/', |
| 74 |
'/\.nav/', |
| 75 |
'/\.main-navigation/', |
| 76 |
'/navbar/', |
| 77 |
'/comment/', |
| 78 |
'/\.dummy/', |
| 79 |
'/\.back-to-top/', |
| 80 |
'/\.page-numbers/', |
| 81 |
'/\.featured/', |
| 82 |
'/\.widget/', |
| 83 |
'/\.edit-link/', |
| 84 |
'/\.posted-on/', |
| 85 |
'/\.cat-links/', |
| 86 |
'/\.posted-by/', |
| 87 |
'/\.more-link/', |
| 88 |
|
| 89 |
'/jetpack/', |
| 90 |
'/wpforms/', |
| 91 |
'/contact-form/', |
| 92 |
'/sharedaddy/', |
| 93 |
); |
| 94 |
|
| 95 |
/** |
| 96 |
* Constructor. |
| 97 |
* |
| 98 |
* @since 2.2.0 |
| 99 |
*/ |
| 100 |
protected function __construct() { |
| 101 |
$this->init(); |
| 102 |
} |
| 103 |
|
| 104 |
/** |
| 105 |
* Initialize this module. |
| 106 |
* |
| 107 |
* @since 2.2.0 |
| 108 |
*/ |
| 109 |
public function init() { |
| 110 |
|
| 111 |
// Hook up. |
| 112 |
$this->add_hooks(); |
| 113 |
} |
| 114 |
|
| 115 |
/** |
| 116 |
* Initiate our hooks |
| 117 |
* |
| 118 |
* @since 2.2.0 |
| 119 |
*/ |
| 120 |
public function add_hooks() { |
| 121 |
|
| 122 |
// Styles and scripts when editing. |
| 123 |
add_action( 'enqueue_block_editor_assets', array( $this, 'dynamic_styles_scripts' ), 999 ); |
| 124 |
|
| 125 |
// Styles on the front end. |
| 126 |
add_action( 'enqueue_block_assets', array( $this, 'frontend_styles' ), 999 ); |
| 127 |
|
| 128 |
add_action( 'admin_init', array( $this, 'editor_color_palettes' ), 20 ); |
| 129 |
} |
| 130 |
|
| 131 |
/** |
| 132 |
* Determine if Gutenberg is supported. |
| 133 |
* |
| 134 |
* @return bool |
| 135 |
* @since 2.2.0 |
| 136 |
* |
| 137 |
*/ |
| 138 |
public function is_supported() { |
| 139 |
$gutenberg = false; |
| 140 |
|
| 141 |
// Determine if the block editor is active for the frontend. |
| 142 |
if ( has_action( 'enqueue_block_assets' ) ) { |
| 143 |
// Gutenberg is installed and activated. |
| 144 |
$gutenberg = true; |
| 145 |
} |
| 146 |
|
| 147 |
// Determine if the block editor is being used in the WP admin. |
| 148 |
if ( is_admin() && get_current_screen()->is_block_editor() ) { |
| 149 |
$gutenberg = true; |
| 150 |
} |
| 151 |
|
| 152 |
return apply_filters( 'customify_gutenberg_is_supported', $gutenberg ); |
| 153 |
} |
| 154 |
|
| 155 |
public function get_editor_style_handle() { |
| 156 |
global $wp_styles; |
| 157 |
if ( ! ( $wp_styles instanceof WP_Styles ) ) { |
| 158 |
return ''; |
| 159 |
} |
| 160 |
|
| 161 |
// We need to look into the registered theme stylesheets and get the one most likely to be used for Gutenberg. |
| 162 |
// Thus we can attach inline styles to it. |
| 163 |
$theme_dir_uri = get_template_directory_uri(); |
| 164 |
$theme_slug = get_template(); |
| 165 |
|
| 166 |
$handle = 'wp-edit-post'; // this is better than nothing as it is the main editor style. |
| 167 |
$reversed = array_reverse( $wp_styles->registered ); |
| 168 |
/** @var _WP_Dependency $style */ |
| 169 |
foreach ( $reversed as $style ) { |
| 170 |
// This is the most precise. |
| 171 |
if ( 0 === strpos( $style->src, $theme_dir_uri ) ) { |
| 172 |
$handle = $style->handle; |
| 173 |
break; |
| 174 |
} |
| 175 |
|
| 176 |
// If it is prefixed with the theme slug, it is good also. |
| 177 |
if ( 0 === strpos( $style->handle, $theme_slug . '-' ) || 0 === strpos( $style->handle, $theme_slug . '_' ) ) { |
| 178 |
$handle = $style->handle; |
| 179 |
break; |
| 180 |
} |
| 181 |
} |
| 182 |
|
| 183 |
return $handle; |
| 184 |
} |
| 185 |
|
| 186 |
public function get_frontend_style_handle() { |
| 187 |
global $wp_styles; |
| 188 |
if ( ! ( $wp_styles instanceof WP_Styles ) ) { |
| 189 |
return ''; |
| 190 |
} |
| 191 |
|
| 192 |
// We need to look into the registered theme stylesheets and get the one most likely to be used for Gutenberg. |
| 193 |
// Thus we can attach inline styles to it. |
| 194 |
$style_css_uri = get_template_directory_uri() . '/style.css'; |
| 195 |
$theme_slug = get_template(); |
| 196 |
|
| 197 |
$handle = 'wp-block-library'; // this is better than nothing as it is the main editor frontend style. |
| 198 |
$reversed = array_reverse( $wp_styles->registered ); |
| 199 |
/** @var _WP_Dependency $style */ |
| 200 |
foreach ( $reversed as $style ) { |
| 201 |
// This is the most precise. |
| 202 |
if ( 0 === strpos( $style->src, $style_css_uri ) ) { |
| 203 |
$handle = $style->handle; |
| 204 |
break; |
| 205 |
} |
| 206 |
|
| 207 |
// If it is prefixed with the theme slug, it is good also. |
| 208 |
if ( ( 0 === strpos( $style->handle, $theme_slug . '-' ) || 0 === strpos( $style->handle, $theme_slug . '_' ) ) |
| 209 |
&& false !== strpos( $style->src, '.css' ) ) { |
| 210 |
$handle = $style->handle; |
| 211 |
break; |
| 212 |
} |
| 213 |
} |
| 214 |
|
| 215 |
return $handle; |
| 216 |
} |
| 217 |
|
| 218 |
/** |
| 219 |
* Output Customify's dynamic styles and scripts in the Gutenberg context. |
| 220 |
* |
| 221 |
* @since 2.2.0 |
| 222 |
*/ |
| 223 |
public function dynamic_styles_scripts() { |
| 224 |
if ( ! PixCustomifyPlugin()->settings->get_plugin_setting( 'enable_editor_style', true ) ) { |
| 225 |
return; |
| 226 |
} |
| 227 |
|
| 228 |
require_once( PixCustomifyPlugin()->get_base_path() . 'includes/class-customify-fonts-global.php' ); |
| 229 |
|
| 230 |
$enqueue_parent_handle = $this->get_editor_style_handle(); |
| 231 |
if ( empty( $enqueue_parent_handle ) ) { |
| 232 |
return; |
| 233 |
} |
| 234 |
|
| 235 |
wp_register_script( PixCustomifyPlugin()->get_slug() . '-web-font-loader', |
| 236 |
plugins_url( 'js/vendor/webfontloader-1-6-28.js', PixCustomifyPlugin()->get_file() ), array('wp-editor'), null ); |
| 237 |
|
| 238 |
add_filter( 'customify_font_css_selector', array( $this, 'gutenbergify_font_css_selectors' ), 10, 2 ); |
| 239 |
Customify_Fonts_Global::instance()->enqueue_frontend_scripts(); |
| 240 |
wp_add_inline_style( $enqueue_parent_handle, Customify_Fonts_Global::instance()->get_fonts_dynamic_style() ); |
| 241 |
remove_filter( 'customify_font_css_selector', array( $this, 'gutenbergify_font_css_selectors' ), 10 ); |
| 242 |
|
| 243 |
add_filter( 'customify_css_selector', array( $this, 'gutenbergify_css_selectors' ), 10, 2 ); |
| 244 |
wp_add_inline_style( $enqueue_parent_handle, PixCustomifyPlugin()->customizer->get_dynamic_style() ); |
| 245 |
remove_filter( 'customify_css_selector', array( $this, 'gutenbergify_css_selectors' ), 10 ); |
| 246 |
|
| 247 |
// Add color palettes classes. |
| 248 |
wp_add_inline_style( $enqueue_parent_handle, $this->editor_color_palettes_css_classes() ); |
| 249 |
} |
| 250 |
|
| 251 |
public function frontend_styles() { |
| 252 |
$enqueue_parent_handle = $this->get_frontend_style_handle(); |
| 253 |
if ( empty( $enqueue_parent_handle ) ) { |
| 254 |
return; |
| 255 |
} |
| 256 |
|
| 257 |
// Add color palettes classes. |
| 258 |
wp_add_inline_style( $enqueue_parent_handle, $this->editor_color_palettes_css_classes() ); |
| 259 |
} |
| 260 |
|
| 261 |
/** |
| 262 |
* @param string $selectors |
| 263 |
* @param array $css_property |
| 264 |
* |
| 265 |
* @return string |
| 266 |
*/ |
| 267 |
public function gutenbergify_css_selectors( $selectors, $css_property ) { |
| 268 |
|
| 269 |
// Treat the selector(s) as an array. |
| 270 |
$selectors = $this->maybeExplodeSelectors( $selectors ); |
| 271 |
|
| 272 |
$new_selectors = array(); |
| 273 |
foreach ( $selectors as $selector ) { |
| 274 |
// Clean up |
| 275 |
$selector = trim( $selector ); |
| 276 |
|
| 277 |
// If the selector matches the excluded, skip it. |
| 278 |
if ( $this->preg_match_any( self::$excluded_selectors_regex, $selector ) ) { |
| 279 |
continue; |
| 280 |
} |
| 281 |
|
| 282 |
// If the selector is already Gutenbergy, we will not do anything to it |
| 283 |
if ( preg_match( self::$gutenbergy_selector_regex, $selector ) ) { |
| 284 |
$new_selectors[] = $selector; |
| 285 |
continue; |
| 286 |
} |
| 287 |
|
| 288 |
// We will let :root selectors be |
| 289 |
if ( ':root' === $selector ) { |
| 290 |
$new_selectors[] = $selector; |
| 291 |
continue; |
| 292 |
} |
| 293 |
|
| 294 |
// For root html elements, we will not prefix them, but replace them with the block and title namespace. |
| 295 |
if ( preg_match( self::$root_regex, $selector ) ) { |
| 296 |
// We will ignore pseudo-selectors |
| 297 |
if ( preg_match( '/^(body|html)[\:\+]+.*$/', $selector ) ) { |
| 298 |
continue; |
| 299 |
} |
| 300 |
|
| 301 |
// When it comes to background properties applied at the body level, we need to scope to the editor namespace |
| 302 |
if ( isset( $css_property['property'] ) && 0 === strpos( $css_property['property'], 'background' ) ) { |
| 303 |
$new_selectors[] = preg_replace( '/^(html body|body|html)/', self::$editor_namespace_selector, $selector ); |
| 304 |
} else { |
| 305 |
$new_selectors[] = preg_replace( '/^(html body|body|html)/', self::$block_namespace_selector, $selector ); |
| 306 |
$new_selectors[] = preg_replace( '/^(html body|body|html)/', self::$title_namespace_selector, $selector ); |
| 307 |
} |
| 308 |
continue; |
| 309 |
} |
| 310 |
|
| 311 |
// If we encounter selectors that seem that they could target the post title, |
| 312 |
// we will add selectors for the Gutenberg title also. |
| 313 |
if ( preg_match( self::$title_regex, $selector ) ) { |
| 314 |
$new_selectors[] = preg_replace( self::$title_regex, self::$title_input_namespace_selector, $selector ); |
| 315 |
} |
| 316 |
|
| 317 |
$new_selectors[] = self::$block_namespace_selector . ' ' . $selector; |
| 318 |
} |
| 319 |
|
| 320 |
return implode( ', ', $new_selectors ); |
| 321 |
} |
| 322 |
|
| 323 |
/** |
| 324 |
* @param array $selectors An array of standardized, cleaned selectors where the key is the selector and the value is possible details array. |
| 325 |
* |
| 326 |
* @return array |
| 327 |
*/ |
| 328 |
public function gutenbergify_font_css_selectors( $selectors ) { |
| 329 |
|
| 330 |
$new_selectors = array(); |
| 331 |
foreach ( $selectors as $selector => $selector_details ) { |
| 332 |
// If the selector matches the excluded, skip it. |
| 333 |
if ( $this->preg_match_any( self::$excluded_selectors_regex, $selector ) ) { |
| 334 |
continue; |
| 335 |
} |
| 336 |
|
| 337 |
// If the selector is already Gutenbergy, we will not do anything to it |
| 338 |
if ( preg_match( self::$gutenbergy_selector_regex, $selector ) ) { |
| 339 |
$new_selectors[ $selector ] = $selector_details; |
| 340 |
continue; |
| 341 |
} |
| 342 |
|
| 343 |
// We will let :root selectors be |
| 344 |
if ( ':root' === $selector ) { |
| 345 |
$new_selectors[ $selector ] = $selector_details; |
| 346 |
continue; |
| 347 |
} |
| 348 |
|
| 349 |
// For root html elements, we will not prefix them, but replace them with the block and title namespace. |
| 350 |
if ( preg_match( self::$root_regex, $selector ) ) { |
| 351 |
$new_selector = preg_replace( '/^(html body|body|html|)/', self::$block_namespace_selector, $selector ); |
| 352 |
$new_selectors[ $new_selector ] = $selector_details; |
| 353 |
$new_selector = preg_replace( '/^(html body|body|html)/', self::$title_namespace_selector, $selector ); |
| 354 |
$new_selectors[ $new_selector ] = $selector_details; |
| 355 |
continue; |
| 356 |
} |
| 357 |
|
| 358 |
// If we encounter selectors that seem that they could target the post title, |
| 359 |
// we will add selectors for the Gutenberg title also. |
| 360 |
if ( preg_match( self::$title_regex, $selector ) ) { |
| 361 |
$new_selector = preg_replace( self::$title_regex, self::$title_input_namespace_selector, $selector ); |
| 362 |
$new_selectors[ $new_selector ] = $selector_details; |
| 363 |
} |
| 364 |
|
| 365 |
$selector = self::$block_namespace_selector . ' ' . $selector; |
| 366 |
$new_selectors[ $selector ] = $selector_details; |
| 367 |
} |
| 368 |
|
| 369 |
return $new_selectors; |
| 370 |
} |
| 371 |
|
| 372 |
/** |
| 373 |
* Preg_match a series of regex against a subject. |
| 374 |
* |
| 375 |
* @param string|array $regexes |
| 376 |
* @param string $subject |
| 377 |
* |
| 378 |
* @return bool Returns true if at least one of the regex matches, false otherwise. |
| 379 |
*/ |
| 380 |
public function preg_match_any( $regexes, $subject ) { |
| 381 |
if ( is_string( $regexes ) ) { |
| 382 |
$regexes = array( $regexes ); |
| 383 |
} |
| 384 |
|
| 385 |
if ( ! is_array( $regexes ) ) { |
| 386 |
return false; |
| 387 |
} |
| 388 |
|
| 389 |
foreach ( $regexes as $regex ) { |
| 390 |
if ( preg_match( $regex, $subject ) ) { |
| 391 |
return true; |
| 392 |
} |
| 393 |
} |
| 394 |
|
| 395 |
return false; |
| 396 |
} |
| 397 |
|
| 398 |
/** |
| 399 |
* Attempt to split a string with selectors and return the parts as an array. |
| 400 |
* If not a string or no comma present, just returns the value. |
| 401 |
* |
| 402 |
* @param mixed $value |
| 403 |
* |
| 404 |
* @return array|false|string[] |
| 405 |
*/ |
| 406 |
public function maybeExplodeSelectors( $value ) { |
| 407 |
if ( ! is_string( $value ) ) { |
| 408 |
return $value; |
| 409 |
} |
| 410 |
|
| 411 |
return preg_split( '#[\s]*,[\s]*#', $value, - 1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE ); |
| 412 |
} |
| 413 |
|
| 414 |
/** |
| 415 |
* Add the SM Color Palettes to the editor sidebar. |
| 416 |
*/ |
| 417 |
public function editor_color_palettes() { |
| 418 |
// Bail if Color Palettes are not supported |
| 419 |
if ( ! Customify_Color_Palettes::instance()->is_supported() ) { |
| 420 |
return; |
| 421 |
} |
| 422 |
|
| 423 |
$options_details = PixCustomifyPlugin()->get_options_configs(); |
| 424 |
|
| 425 |
$master_color_control_ids = Customify_Color_Palettes::instance()->get_all_master_color_controls_ids(); |
| 426 |
if ( empty( $master_color_control_ids ) ) { |
| 427 |
return; |
| 428 |
} |
| 429 |
|
| 430 |
$editor_color_palettes = array(); |
| 431 |
foreach ( $master_color_control_ids as $control_id ) { |
| 432 |
if ( empty( $options_details[ $control_id ] ) ) { |
| 433 |
continue; |
| 434 |
} |
| 435 |
|
| 436 |
$value = get_option( $control_id . '_final' ); |
| 437 |
if ( empty( $value ) ) { |
| 438 |
$value = $options_details[ $control_id ][ 'default' ]; |
| 439 |
} |
| 440 |
|
| 441 |
if ( empty( $value ) ) { |
| 442 |
continue; |
| 443 |
} |
| 444 |
|
| 445 |
$editor_color_palettes[] = array( |
| 446 |
'name' => $options_details[ $control_id ]['label'], |
| 447 |
'slug' => $control_id, |
| 448 |
'color' => esc_html( $value ), |
| 449 |
); |
| 450 |
} |
| 451 |
|
| 452 |
if ( ! empty( $editor_color_palettes ) ) { |
| 453 |
/** |
| 454 |
* Custom colors for use in the editor. |
| 455 |
* |
| 456 |
* @link https://wordpress.org/gutenberg/handbook/reference/theme-support/ |
| 457 |
*/ |
| 458 |
add_theme_support( |
| 459 |
'editor-color-palette', |
| 460 |
$editor_color_palettes |
| 461 |
); |
| 462 |
} |
| 463 |
} |
| 464 |
|
| 465 |
/** |
| 466 |
* Generate the special classes for our colors. |
| 467 |
*/ |
| 468 |
public function editor_color_palettes_css_classes() { |
| 469 |
// Bail if Color Palettes are not supported |
| 470 |
if ( ! Customify_Color_Palettes::instance()->is_supported() ) { |
| 471 |
return ''; |
| 472 |
} |
| 473 |
|
| 474 |
$options_details = PixCustomifyPlugin()->get_options_configs(); |
| 475 |
|
| 476 |
$master_color_control_ids = Customify_Color_Palettes::instance()->get_all_master_color_controls_ids(); |
| 477 |
if ( empty( $master_color_control_ids ) ) { |
| 478 |
return ''; |
| 479 |
} |
| 480 |
|
| 481 |
// Build styles. |
| 482 |
$css = ''; |
| 483 |
foreach ( $master_color_control_ids as $control_id ) { |
| 484 |
if ( empty( $options_details[ $control_id ] ) ) { |
| 485 |
continue; |
| 486 |
} |
| 487 |
|
| 488 |
$value = get_option( $control_id . '_final' ); |
| 489 |
if ( empty( $value ) ) { |
| 490 |
continue; |
| 491 |
} |
| 492 |
|
| 493 |
$editor_color_palettes[] = array( |
| 494 |
'name' => $options_details[ $control_id ]['label'], |
| 495 |
'slug' => $control_id, |
| 496 |
'color' => esc_html( $value ), |
| 497 |
); |
| 498 |
|
| 499 |
$color_in_kebab_case = self::to_kebab_case( $control_id ); |
| 500 |
|
| 501 |
$css .= '.has-' . $color_in_kebab_case . '-color { color: ' . esc_attr( $value ) . ' !important; }'; |
| 502 |
$css .= '.has-' . $color_in_kebab_case . '-background-color { background-color: ' . esc_attr( $value ) . '; }'; |
| 503 |
} |
| 504 |
|
| 505 |
return wp_strip_all_tags( $css ); |
| 506 |
} |
| 507 |
|
| 508 |
public static function to_kebab_case( $string ) { |
| 509 |
return implode( '-', array_map( '\strtolower', preg_split( "/[\n\r\t -_]+/", preg_replace( "/['\x{2019}]/u", '', $string ), - 1, PREG_SPLIT_NO_EMPTY ) ) ); |
| 510 |
} |
| 511 |
|
| 512 |
/** |
| 513 |
* Main Customify_Block_Editor Instance |
| 514 |
* |
| 515 |
* Ensures only one instance of Customify_Block_Editor is loaded or can be loaded. |
| 516 |
* |
| 517 |
* @return Customify_Block_Editor Main Customify_Block_Editor instance |
| 518 |
* @since 2.2.0 |
| 519 |
* @static |
| 520 |
* |
| 521 |
*/ |
| 522 |
public static function instance() { |
| 523 |
|
| 524 |
if ( is_null( self::$_instance ) ) { |
| 525 |
self::$_instance = new self(); |
| 526 |
} |
| 527 |
|
| 528 |
return self::$_instance; |
| 529 |
} |
| 530 |
|
| 531 |
/** |
| 532 |
* Cloning is forbidden. |
| 533 |
* |
| 534 |
* @since 2.2.0 |
| 535 |
*/ |
| 536 |
public function __clone() { |
| 537 |
|
| 538 |
_doing_it_wrong( __FUNCTION__, esc_html__( 'You should not do that!', 'customify' ), null ); |
| 539 |
} |
| 540 |
|
| 541 |
/** |
| 542 |
* Unserializing instances of this class is forbidden. |
| 543 |
* |
| 544 |
* @since 2.2.0 |
| 545 |
*/ |
| 546 |
public function __wakeup() { |
| 547 |
|
| 548 |
_doing_it_wrong( __FUNCTION__, esc_html__( 'You should not do that!', 'customify' ), null ); |
| 549 |
} |
| 550 |
} |
| 551 |
} |
| 552 |
|
