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1 year ago
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11 months ago
css
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js
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swv
9 months ago
capabilities.php
7 years ago
contact-form-functions.php
11 months ago
contact-form-template.php
11 months ago
contact-form.php
11 months ago
controller.php
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file.php
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filesystem.php
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form-tag.php
7 months ago
form-tags-manager.php
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formatting.php
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mail-tag.php
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rest-api.php
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shortcodes.php
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special-mail-tags.php
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submission.php
9 months ago
upgrade.php
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validation-functions.php
11 months ago
validation.php
11 months ago
mail.php
633 lines
| 1 | <?php |
| 2 | |
| 3 | add_filter( 'wpcf7_mail_html_body', 'wpcf7_mail_html_body_autop', 10, 1 ); |
| 4 | |
| 5 | /** |
| 6 | * Filter callback that applies auto-p to HTML email message body. |
| 7 | */ |
| 8 | function wpcf7_mail_html_body_autop( $body ) { |
| 9 | if ( wpcf7_autop_or_not( array( 'for' => 'mail' ) ) ) { |
| 10 | $body = wpcf7_autop( $body ); |
| 11 | } |
| 12 | |
| 13 | return $body; |
| 14 | } |
| 15 | |
| 16 | |
| 17 | /** |
| 18 | * Class that represents an attempt to compose and send email. |
| 19 | */ |
| 20 | class WPCF7_Mail { |
| 21 | |
| 22 | private static $current = null; |
| 23 | |
| 24 | private $name = ''; |
| 25 | private $locale = ''; |
| 26 | private $template = array(); |
| 27 | private $component = ''; |
| 28 | private $use_html = false; |
| 29 | private $exclude_blank = false; |
| 30 | |
| 31 | |
| 32 | /** |
| 33 | * Returns the singleton instance of this class. |
| 34 | */ |
| 35 | public static function get_current() { |
| 36 | return self::$current; |
| 37 | } |
| 38 | |
| 39 | |
| 40 | /** |
| 41 | * Returns the name of the email template currently processed. |
| 42 | * |
| 43 | * Expected output: 'mail' or 'mail_2' |
| 44 | */ |
| 45 | public static function get_current_template_name() { |
| 46 | $current = self::get_current(); |
| 47 | |
| 48 | if ( $current instanceof self ) { |
| 49 | return $current->get_template_name(); |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | |
| 54 | /** |
| 55 | * Returns the name of the email template component currently processed. |
| 56 | * |
| 57 | * Expected output: 'recipient', 'sender', 'subject', |
| 58 | * 'additional_headers', 'body', or 'attachments' |
| 59 | */ |
| 60 | public static function get_current_component_name() { |
| 61 | $current = self::get_current(); |
| 62 | |
| 63 | if ( $current instanceof self ) { |
| 64 | return $current->get_component_name(); |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | |
| 69 | /** |
| 70 | * Composes and sends email based on the specified template. |
| 71 | * |
| 72 | * @param array $template Array of email template. |
| 73 | * @param string $name Optional name of the template, such as |
| 74 | * 'mail' or 'mail_2'. Default empty string. |
| 75 | * @return bool Whether the email was sent successfully. |
| 76 | */ |
| 77 | public static function send( $template, $name = '' ) { |
| 78 | self::$current = new self( $name, $template ); |
| 79 | return self::$current->compose(); |
| 80 | } |
| 81 | |
| 82 | |
| 83 | /** |
| 84 | * The constructor method. |
| 85 | * |
| 86 | * @param string $name The name of the email template. |
| 87 | * Such as 'mail' or 'mail_2'. |
| 88 | * @param array $template Array of email template. |
| 89 | */ |
| 90 | private function __construct( $name, $template ) { |
| 91 | $this->name = trim( $name ); |
| 92 | $this->use_html = ! empty( $template['use_html'] ); |
| 93 | $this->exclude_blank = ! empty( $template['exclude_blank'] ); |
| 94 | |
| 95 | $this->template = wp_parse_args( $template, array( |
| 96 | 'subject' => '', |
| 97 | 'sender' => '', |
| 98 | 'body' => '', |
| 99 | 'recipient' => '', |
| 100 | 'additional_headers' => '', |
| 101 | 'attachments' => '', |
| 102 | ) ); |
| 103 | |
| 104 | if ( $submission = WPCF7_Submission::get_instance() ) { |
| 105 | $contact_form = $submission->get_contact_form(); |
| 106 | $this->locale = $contact_form->locale(); |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | |
| 111 | /** |
| 112 | * Returns the name of the email template. |
| 113 | */ |
| 114 | public function name() { |
| 115 | return $this->name; |
| 116 | } |
| 117 | |
| 118 | |
| 119 | /** |
| 120 | * Returns the name of the email template. A wrapper method of name(). |
| 121 | */ |
| 122 | public function get_template_name() { |
| 123 | return $this->name(); |
| 124 | } |
| 125 | |
| 126 | |
| 127 | /** |
| 128 | * Returns the name of the email template component currently processed. |
| 129 | */ |
| 130 | public function get_component_name() { |
| 131 | return $this->component; |
| 132 | } |
| 133 | |
| 134 | |
| 135 | /** |
| 136 | * Retrieves a component from the email template. |
| 137 | * |
| 138 | * @param string $component The name of the component. |
| 139 | * @param bool $replace_tags Whether to replace mail-tags |
| 140 | * within the component. |
| 141 | * @return string The text representation of the email component. |
| 142 | */ |
| 143 | public function get( $component, $replace_tags = false ) { |
| 144 | $this->component = $component; |
| 145 | |
| 146 | $use_html = ( $this->use_html && 'body' === $component ); |
| 147 | $exclude_blank = ( $this->exclude_blank && 'body' === $component ); |
| 148 | |
| 149 | $template = $this->template; |
| 150 | $component = isset( $template[$component] ) ? $template[$component] : ''; |
| 151 | |
| 152 | if ( $replace_tags ) { |
| 153 | $component = $this->replace_tags( $component, array( |
| 154 | 'html' => $use_html, |
| 155 | 'exclude_blank' => $exclude_blank, |
| 156 | ) ); |
| 157 | |
| 158 | if ( $use_html ) { |
| 159 | // Convert <example@example.com> to <example@example.com>. |
| 160 | $component = preg_replace_callback( |
| 161 | '/<(.*?)>/', |
| 162 | static function ( $matches ) { |
| 163 | if ( is_email( $matches[1] ) ) { |
| 164 | return sprintf( '<%s>', $matches[1] ); |
| 165 | } else { |
| 166 | return $matches[0]; |
| 167 | } |
| 168 | }, |
| 169 | $component |
| 170 | ); |
| 171 | |
| 172 | if ( ! preg_match( '%<html[>\s].*</html>%is', $component ) ) { |
| 173 | $component = $this->htmlize( $component ); |
| 174 | } |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | $this->component = ''; |
| 179 | |
| 180 | return $component; |
| 181 | } |
| 182 | |
| 183 | |
| 184 | /** |
| 185 | * Creates HTML message body by adding the header and footer. |
| 186 | * |
| 187 | * @param string $body The body part of HTML. |
| 188 | * @return string Formatted HTML. |
| 189 | */ |
| 190 | private function htmlize( $body ) { |
| 191 | if ( $this->locale ) { |
| 192 | $lang_atts = sprintf( ' %s', |
| 193 | wpcf7_format_atts( array( |
| 194 | 'dir' => wpcf7_is_rtl( $this->locale ) ? 'rtl' : 'ltr', |
| 195 | 'lang' => str_replace( '_', '-', $this->locale ), |
| 196 | ) ) |
| 197 | ); |
| 198 | } else { |
| 199 | $lang_atts = ''; |
| 200 | } |
| 201 | |
| 202 | $header = apply_filters( 'wpcf7_mail_html_header', |
| 203 | '<!doctype html> |
| 204 | <html xmlns="http://www.w3.org/1999/xhtml"' . $lang_atts . '> |
| 205 | <head> |
| 206 | <title>' . esc_html( $this->get( 'subject', true ) ) . '</title> |
| 207 | </head> |
| 208 | <body> |
| 209 | ', |
| 210 | $this |
| 211 | ); |
| 212 | |
| 213 | $body = apply_filters( 'wpcf7_mail_html_body', $body, $this ); |
| 214 | |
| 215 | $footer = apply_filters( 'wpcf7_mail_html_footer', |
| 216 | '</body> |
| 217 | </html>', |
| 218 | $this |
| 219 | ); |
| 220 | |
| 221 | return $header . $body . $footer; |
| 222 | } |
| 223 | |
| 224 | |
| 225 | /** |
| 226 | * Composes an email message and attempts to send it. |
| 227 | * |
| 228 | * @param bool $send Whether to attempt to send email. Default true. |
| 229 | */ |
| 230 | private function compose( $send = true ) { |
| 231 | $components = array( |
| 232 | 'subject' => $this->get( 'subject', true ), |
| 233 | 'sender' => $this->get( 'sender', true ), |
| 234 | 'body' => $this->get( 'body', true ), |
| 235 | 'recipient' => $this->get( 'recipient', true ), |
| 236 | 'additional_headers' => $this->get( 'additional_headers', true ), |
| 237 | 'attachments' => $this->attachments(), |
| 238 | ); |
| 239 | |
| 240 | $components = apply_filters( 'wpcf7_mail_components', |
| 241 | $components, wpcf7_get_current_contact_form(), $this |
| 242 | ); |
| 243 | |
| 244 | if ( ! $send ) { |
| 245 | return $components; |
| 246 | } |
| 247 | |
| 248 | $subject = wpcf7_strip_newline( $components['subject'] ); |
| 249 | $sender = wpcf7_strip_newline( $components['sender'] ); |
| 250 | $recipient = wpcf7_strip_newline( $components['recipient'] ); |
| 251 | $body = $components['body']; |
| 252 | $additional_headers = trim( $components['additional_headers'] ); |
| 253 | |
| 254 | $headers = "From: $sender\n"; |
| 255 | |
| 256 | if ( $this->use_html ) { |
| 257 | $headers .= "Content-Type: text/html\n"; |
| 258 | $headers .= "X-WPCF7-Content-Type: text/html\n"; |
| 259 | } else { |
| 260 | $headers .= "X-WPCF7-Content-Type: text/plain\n"; |
| 261 | } |
| 262 | |
| 263 | if ( $additional_headers ) { |
| 264 | $headers .= $additional_headers . "\n"; |
| 265 | } |
| 266 | |
| 267 | $attachments = array_filter( |
| 268 | (array) $components['attachments'], |
| 269 | function ( $attachment ) { |
| 270 | $path = path_join( WP_CONTENT_DIR, $attachment ); |
| 271 | |
| 272 | if ( ! wpcf7_is_file_path_in_content_dir( $path ) ) { |
| 273 | wp_trigger_error( |
| 274 | '', |
| 275 | sprintf( |
| 276 | /* translators: %s: Attachment file path. */ |
| 277 | __( 'Failed to attach a file. %s is not in the allowed directory.', 'contact-form-7' ), |
| 278 | $path |
| 279 | ), |
| 280 | E_USER_NOTICE |
| 281 | ); |
| 282 | |
| 283 | return false; |
| 284 | } |
| 285 | |
| 286 | if ( ! is_readable( $path ) or ! is_file( $path ) ) { |
| 287 | wp_trigger_error( |
| 288 | '', |
| 289 | sprintf( |
| 290 | /* translators: %s: Attachment file path. */ |
| 291 | __( 'Failed to attach a file. %s is not a readable file.', 'contact-form-7' ), |
| 292 | $path |
| 293 | ), |
| 294 | E_USER_NOTICE |
| 295 | ); |
| 296 | |
| 297 | return false; |
| 298 | } |
| 299 | |
| 300 | static $total_size = array(); |
| 301 | |
| 302 | if ( ! isset( $total_size[$this->name] ) ) { |
| 303 | $total_size[$this->name] = 0; |
| 304 | } |
| 305 | |
| 306 | $file_size = (int) @filesize( $path ); |
| 307 | |
| 308 | if ( 25 * MB_IN_BYTES < $total_size[$this->name] + $file_size ) { |
| 309 | wp_trigger_error( |
| 310 | '', |
| 311 | __( 'Failed to attach a file. The total file size exceeds the limit of 25 megabytes.', 'contact-form-7' ), |
| 312 | E_USER_NOTICE |
| 313 | ); |
| 314 | |
| 315 | return false; |
| 316 | } |
| 317 | |
| 318 | $total_size[$this->name] += $file_size; |
| 319 | |
| 320 | return true; |
| 321 | } |
| 322 | ); |
| 323 | |
| 324 | return wp_mail( $recipient, $subject, $body, $headers, $attachments ); |
| 325 | } |
| 326 | |
| 327 | |
| 328 | /** |
| 329 | * Replaces mail-tags within the given text. |
| 330 | */ |
| 331 | public function replace_tags( $content, $options = '' ) { |
| 332 | if ( true === $options ) { |
| 333 | $options = array( 'html' => true ); |
| 334 | } |
| 335 | |
| 336 | $options = wp_parse_args( $options, array( |
| 337 | 'html' => false, |
| 338 | 'exclude_blank' => false, |
| 339 | ) ); |
| 340 | |
| 341 | return wpcf7_mail_replace_tags( $content, $options ); |
| 342 | } |
| 343 | |
| 344 | |
| 345 | /** |
| 346 | * Creates an array of attachments based on uploaded files and local files. |
| 347 | */ |
| 348 | private function attachments( $template = null ) { |
| 349 | if ( ! $template ) { |
| 350 | $template = $this->get( 'attachments' ); |
| 351 | } |
| 352 | |
| 353 | $attachments = array(); |
| 354 | |
| 355 | if ( $submission = WPCF7_Submission::get_instance() ) { |
| 356 | $uploaded_files = $submission->uploaded_files(); |
| 357 | |
| 358 | foreach ( (array) $uploaded_files as $name => $paths ) { |
| 359 | if ( false !== strpos( $template, "[{$name}]" ) ) { |
| 360 | $attachments = array_merge( $attachments, (array) $paths ); |
| 361 | } |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | foreach ( explode( "\n", $template ) as $line ) { |
| 366 | $line = trim( $line ); |
| 367 | |
| 368 | if ( '' === $line or '[' === substr( $line, 0, 1 ) ) { |
| 369 | continue; |
| 370 | } |
| 371 | |
| 372 | $attachments[] = path_join( WP_CONTENT_DIR, $line ); |
| 373 | } |
| 374 | |
| 375 | if ( $submission = WPCF7_Submission::get_instance() ) { |
| 376 | $attachments = array_merge( |
| 377 | $attachments, |
| 378 | (array) $submission->extra_attachments( $this->name ) |
| 379 | ); |
| 380 | } |
| 381 | |
| 382 | return $attachments; |
| 383 | } |
| 384 | } |
| 385 | |
| 386 | |
| 387 | /** |
| 388 | * Replaces all mail-tags within the given text content. |
| 389 | * |
| 390 | * @param string $content Text including mail-tags. |
| 391 | * @param string|array $options Optional. Output options. |
| 392 | * @return string Result of replacement. |
| 393 | */ |
| 394 | function wpcf7_mail_replace_tags( $content, $options = '' ) { |
| 395 | $options = wp_parse_args( $options, array( |
| 396 | 'html' => false, |
| 397 | 'exclude_blank' => false, |
| 398 | ) ); |
| 399 | |
| 400 | if ( is_array( $content ) ) { |
| 401 | foreach ( $content as $key => $value ) { |
| 402 | $content[$key] = wpcf7_mail_replace_tags( $value, $options ); |
| 403 | } |
| 404 | |
| 405 | return $content; |
| 406 | } |
| 407 | |
| 408 | $content = explode( "\n", $content ); |
| 409 | |
| 410 | foreach ( $content as $num => $line ) { |
| 411 | $line = new WPCF7_MailTaggedText( $line, $options ); |
| 412 | $replaced = $line->replace_tags(); |
| 413 | |
| 414 | if ( $options['exclude_blank'] ) { |
| 415 | $replaced_tags = $line->get_replaced_tags(); |
| 416 | |
| 417 | if ( |
| 418 | empty( $replaced_tags ) or |
| 419 | array_filter( $replaced_tags, 'strlen' ) |
| 420 | ) { |
| 421 | $content[$num] = $replaced; |
| 422 | } else { |
| 423 | unset( $content[$num] ); // Remove a line. |
| 424 | } |
| 425 | } else { |
| 426 | $content[$num] = $replaced; |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | $content = implode( "\n", $content ); |
| 431 | |
| 432 | return $content; |
| 433 | } |
| 434 | |
| 435 | |
| 436 | add_action( 'phpmailer_init', 'wpcf7_phpmailer_init', 10, 1 ); |
| 437 | |
| 438 | /** |
| 439 | * Adds custom properties to the PHPMailer object. |
| 440 | */ |
| 441 | function wpcf7_phpmailer_init( $phpmailer ) { |
| 442 | $custom_headers = $phpmailer->getCustomHeaders(); |
| 443 | $phpmailer->clearCustomHeaders(); |
| 444 | $wpcf7_content_type = false; |
| 445 | |
| 446 | foreach ( (array) $custom_headers as $custom_header ) { |
| 447 | $name = $custom_header[0]; |
| 448 | $value = $custom_header[1]; |
| 449 | |
| 450 | if ( 'X-WPCF7-Content-Type' === $name ) { |
| 451 | $wpcf7_content_type = trim( $value ); |
| 452 | } else { |
| 453 | $phpmailer->addCustomHeader( $name, $value ); |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | if ( 'text/html' === $wpcf7_content_type ) { |
| 458 | $phpmailer->msgHTML( $phpmailer->Body ); |
| 459 | } elseif ( 'text/plain' === $wpcf7_content_type ) { |
| 460 | $phpmailer->AltBody = ''; |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | |
| 465 | /** |
| 466 | * Class that represents a single-line text including mail-tags. |
| 467 | */ |
| 468 | class WPCF7_MailTaggedText { |
| 469 | |
| 470 | private $html = false; |
| 471 | private $callback = null; |
| 472 | private $content = ''; |
| 473 | private $replaced_tags = array(); |
| 474 | |
| 475 | |
| 476 | /** |
| 477 | * The constructor method. |
| 478 | */ |
| 479 | public function __construct( $content, $options = '' ) { |
| 480 | $options = wp_parse_args( $options, array( |
| 481 | 'html' => false, |
| 482 | 'callback' => null, |
| 483 | ) ); |
| 484 | |
| 485 | $this->html = (bool) $options['html']; |
| 486 | |
| 487 | if ( |
| 488 | null !== $options['callback'] and |
| 489 | is_callable( $options['callback'] ) |
| 490 | ) { |
| 491 | $this->callback = $options['callback']; |
| 492 | } elseif ( $this->html ) { |
| 493 | $this->callback = array( $this, 'replace_tags_callback_html' ); |
| 494 | } else { |
| 495 | $this->callback = array( $this, 'replace_tags_callback' ); |
| 496 | } |
| 497 | |
| 498 | $this->content = $content; |
| 499 | } |
| 500 | |
| 501 | |
| 502 | /** |
| 503 | * Retrieves mail-tags that have been replaced by this instance. |
| 504 | * |
| 505 | * @return array List of mail-tags replaced. |
| 506 | */ |
| 507 | public function get_replaced_tags() { |
| 508 | return $this->replaced_tags; |
| 509 | } |
| 510 | |
| 511 | |
| 512 | /** |
| 513 | * Replaces mail-tags based on regexp. |
| 514 | */ |
| 515 | public function replace_tags() { |
| 516 | $regex = '/(\[?)\[[\t ]*' |
| 517 | . '([a-zA-Z_][0-9a-zA-Z:._-]*)' // [2] = name |
| 518 | . '((?:[\t ]+"[^"]*"|[\t ]+\'[^\']*\')*)' // [3] = values |
| 519 | . '[\t ]*\](\]?)/'; |
| 520 | |
| 521 | return preg_replace_callback( $regex, $this->callback, $this->content ); |
| 522 | } |
| 523 | |
| 524 | |
| 525 | /** |
| 526 | * Callback function for replacement. For HTML message body. |
| 527 | */ |
| 528 | private function replace_tags_callback_html( $matches ) { |
| 529 | return $this->replace_tags_callback( $matches, true ); |
| 530 | } |
| 531 | |
| 532 | |
| 533 | /** |
| 534 | * Callback function for replacement. |
| 535 | */ |
| 536 | private function replace_tags_callback( $matches, $html = false ) { |
| 537 | // allow [[foo]] syntax for escaping a tag |
| 538 | if ( '[' === $matches[1] and ']' === $matches[4] ) { |
| 539 | return substr( $matches[0], 1, -1 ); |
| 540 | } |
| 541 | |
| 542 | $tag = $matches[0]; |
| 543 | $tagname = $matches[2]; |
| 544 | $values = $matches[3]; |
| 545 | |
| 546 | $mail_tag = new WPCF7_MailTag( $tag, $tagname, $values ); |
| 547 | $field_name = $mail_tag->field_name(); |
| 548 | |
| 549 | $submission = WPCF7_Submission::get_instance(); |
| 550 | $submitted = $submission |
| 551 | ? $submission->get_posted_data( $field_name ) |
| 552 | : null; |
| 553 | |
| 554 | if ( $mail_tag->get_option( 'do_not_heat' ) ) { |
| 555 | $submitted = wpcf7_superglobal_post( $field_name ); |
| 556 | } |
| 557 | |
| 558 | $replaced = $submitted; |
| 559 | |
| 560 | if ( null !== $replaced ) { |
| 561 | if ( $format = $mail_tag->get_option( 'format' ) ) { |
| 562 | $replaced = $this->format( $replaced, $format ); |
| 563 | } |
| 564 | |
| 565 | $separator = ( 'body' === WPCF7_Mail::get_current_component_name() ) |
| 566 | ? wp_get_list_item_separator() |
| 567 | : ', '; |
| 568 | |
| 569 | $replaced = wpcf7_flat_join( $replaced, array( |
| 570 | 'separator' => $separator, |
| 571 | ) ); |
| 572 | |
| 573 | if ( $html ) { |
| 574 | $replaced = esc_html( $replaced ); |
| 575 | $replaced = wptexturize( $replaced ); |
| 576 | } |
| 577 | } |
| 578 | |
| 579 | if ( $form_tag = $mail_tag->corresponding_form_tag() ) { |
| 580 | $type = $form_tag->type; |
| 581 | |
| 582 | $replaced = apply_filters( |
| 583 | "wpcf7_mail_tag_replaced_{$type}", $replaced, |
| 584 | $submitted, $html, $mail_tag |
| 585 | ); |
| 586 | } |
| 587 | |
| 588 | $replaced = apply_filters( |
| 589 | 'wpcf7_mail_tag_replaced', $replaced, |
| 590 | $submitted, $html, $mail_tag |
| 591 | ); |
| 592 | |
| 593 | if ( null !== $replaced ) { |
| 594 | $replaced = trim( $replaced ); |
| 595 | |
| 596 | $this->replaced_tags[$tag] = $replaced; |
| 597 | return $replaced; |
| 598 | } |
| 599 | |
| 600 | $special = apply_filters( 'wpcf7_special_mail_tags', null, |
| 601 | $mail_tag->tag_name(), $html, $mail_tag |
| 602 | ); |
| 603 | |
| 604 | if ( null !== $special ) { |
| 605 | $this->replaced_tags[$tag] = $special; |
| 606 | return $special; |
| 607 | } |
| 608 | |
| 609 | return $tag; |
| 610 | } |
| 611 | |
| 612 | |
| 613 | /** |
| 614 | * Formats string based on the formatting option in the form-tag. |
| 615 | */ |
| 616 | public function format( $original, $format ) { |
| 617 | $original = (array) $original; |
| 618 | |
| 619 | foreach ( $original as $key => $value ) { |
| 620 | if ( preg_match( '/^[0-9]{4}-[0-9]{2}-[0-9]{2}$/', $value ) ) { |
| 621 | $datetime = date_create( $value, wp_timezone() ); |
| 622 | |
| 623 | if ( false !== $datetime ) { |
| 624 | $original[$key] = wp_date( $format, $datetime->getTimestamp() ); |
| 625 | } |
| 626 | } |
| 627 | } |
| 628 | |
| 629 | return $original; |
| 630 | } |
| 631 | |
| 632 | } |
| 633 |