| 1 |
<?php |
| 2 |
|
| 3 |
class Email_Post_Changes { |
| 4 |
var $defaults; |
| 5 |
|
| 6 |
var $left_post; |
| 7 |
var $right_post; |
| 8 |
|
| 9 |
var $text_diff; |
| 10 |
|
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const ADMIN_PAGE = 'email_post_changes'; |
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const OPTION_GROUP = 'email_post_changes'; |
| 13 |
const OPTION = 'email_post_changes'; |
| 14 |
|
| 15 |
function init() { |
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static $instance = null; |
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|
| 18 |
if ( $instance ) |
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return $instance; |
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|
| 21 |
$class = __CLASS__; |
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$instance = new $class; |
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return $instance; |
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} |
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|
| 26 |
function __construct() { |
| 27 |
$this->defaults = apply_filters( 'email_post_changes_default_options', array( |
| 28 |
'enable' => 1, |
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'users' => array(), |
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'emails' => array( get_option( 'admin_email' ) ), |
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'post_types' => array( 'post', 'page' ), |
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'drafts' => 0, |
| 33 |
) ); |
| 34 |
|
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$options = $this->get_options(); |
| 36 |
|
| 37 |
if ( $options['enable'] ) |
| 38 |
add_action( 'post_updated', array( $this, 'post_updated' ), 10, 3 ); |
| 39 |
if ( current_user_can( 'manage_options' ) ) |
| 40 |
add_action( 'admin_menu', array( $this, 'admin_menu' ), 115 ); |
| 41 |
} |
| 42 |
|
| 43 |
function get_post_types() { |
| 44 |
$post_types = get_post_types( array( 'public' => true ) ); |
| 45 |
$_post_types = array(); |
| 46 |
|
| 47 |
foreach ( $post_types as $post_type ) { |
| 48 |
if ( post_type_supports( $post_type, 'revisions' ) ) |
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$_post_types[] = $post_type; |
| 50 |
} |
| 51 |
|
| 52 |
return $_post_types; |
| 53 |
} |
| 54 |
|
| 55 |
function get_options( $just_defaults = false ) { |
| 56 |
if ( $just_defaults ) |
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return $this->defaults; |
| 58 |
|
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$options = (array) get_option( 'email_post_changes' ); |
| 60 |
|
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return wp_parse_args( $options, $this->defaults ); |
| 62 |
} |
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|
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// The meat of the plugin |
| 65 |
function post_updated( $post_id, $post_after, $post_before ) { |
| 66 |
$options = $this->get_options(); |
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// If we're purely saving a draft, and don't have the draft option enabled, skip. If we're transitioning one way or the other, send a notification. |
| 68 |
if ( 0 == $options['drafts'] && 'draft' == $post_before->post_status && 'draft' == $post_after->post_status ) |
| 69 |
return; |
| 70 |
|
| 71 |
if ( wp_is_post_autosave( $post_after ) ) |
| 72 |
return; |
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|
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// Our inputs are just the raw post data from before and after, so the wp_is_post_autosave() check, |
| 75 |
// which looks for {$post->post_parent}-autosave in the post_name, may not work. Check this too just to be safe. |
| 76 |
if ( 'auto-draft' == $post_before->post_status || 'auto-draft' == $post_after->post_status ) |
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return; |
| 78 |
|
| 79 |
if ( !in_array( $post_before->post_type, $options['post_types'] ) ) |
| 80 |
return; |
| 81 |
|
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$this->left_post = $post_before; |
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$this->right_post = $post_after; |
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|
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// If this is a new post, set an empty title for $this->left_post so that it appears in the diff. |
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$child_posts = wp_get_post_revisions( $post_id, array( 'numberposts' => 1 ) ); |
| 87 |
if ( count( $child_posts ) == 0 ) { |
| 88 |
$this->left_post->post_title = ''; |
| 89 |
} |
| 90 |
|
| 91 |
if ( !$this->left_post || !$this->right_post ) |
| 92 |
return; |
| 93 |
|
| 94 |
$html_diffs = array(); |
| 95 |
$text_diffs = array(); |
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$identical = true; |
| 97 |
foreach ( _wp_post_revision_fields() as $field => $field_title ) { |
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$left = apply_filters( "_wp_post_revision_field_$field", $this->left_post->$field, $field ); |
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$right = apply_filters( "_wp_post_revision_field_$field", $this->right_post->$field, $field ); |
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|
| 101 |
if ( !$diff = $this->wp_text_diff( $left, $right ) ) |
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continue; |
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$html_diffs[$field_title] = $diff; |
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|
| 105 |
$left = normalize_whitespace( $left ); |
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$right = normalize_whitespace( $right ); |
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|
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$left_lines = split( "\n", $left ); |
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$right_lines = split( "\n", $right ); |
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|
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require_once( dirname( __FILE__ ) . '/unified.php' ); |
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|
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$text_diff = new Text_Diff( $left_lines, $right_lines ); |
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$renderer = new Text_Diff_Renderer_unified(); |
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$text_diffs[$field_title] = $renderer->render($text_diff); |
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|
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$identical = false; |
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} |
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|
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if ( $identical ) { |
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$this->left_post = null; |
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$this->right_post = null; |
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return; |
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} |
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|
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// Grab the meta data |
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$the_author = get_the_author_meta( 'display_name', get_current_user_id() ); // The revision |
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$the_title = get_the_title( $this->right_post->ID ); // New title (may be same as old title) |
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$the_date = gmdate( 'j F, Y \a\t G:i \U\T\C', strtotime( $this->right_post->post_modified_gmt . '+0000' ) ); // Modified time |
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$the_permalink = clean_url( get_permalink( $this->right_post->ID ) ); |
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$the_edit_link = clean_url( get_edit_post_link( $this->right_post->ID ) ); |
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|
| 133 |
$left_title = __( 'Revision' ); |
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$right_title = sprintf( __( 'Current %s' ), $post_type = ucfirst( $this->right_post->post_type ) ); |
| 135 |
|
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$head_sprintf = __( '%s made the following changes to the %s %s on %s' ); |
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|
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|
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// HTML |
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$html_diff_head = '<h2>' . sprintf( __( '%s changed' ), $post_type ) . "</h2>\n"; |
| 141 |
$html_diff_head .= '<p>' . sprintf( $head_sprintf, |
| 142 |
esc_html( $the_author ), |
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sprintf( _x( '“%s” [%s]', '1 = link, 2 = "edit"' ), |
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"<a href='$the_permalink'>" . esc_html( $the_title ) . '</a>', |
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"<a href='$the_edit_link'>" . __( 'edit' ) . '</a>' |
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), |
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$this->right_post->post_type, |
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$the_date |
| 149 |
) . "</p>\n\n"; |
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|
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$html_diff_head .= "<table style='width: 100%; border-collapse: collapse; border: none;'><tr>\n"; |
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$html_diff_head .= "<td style='width: 50%; padding: 0; margin: 0;'>" . esc_html( $left_title ) . ' @ ' . esc_html( $this->left_post->post_date_gmt ) . "</td>\n"; |
| 153 |
$html_diff_head .= "<td style='width: 50%; padding: 0; margin: 0;'>" . esc_html( $right_title ) . ' @ ' . esc_html( $this->right_post->post_modified_gmt ) . "</td>\n"; |
| 154 |
$html_diff_head .= "</tr></table>\n\n"; |
| 155 |
|
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$html_diff = ''; |
| 157 |
foreach ( $html_diffs as $field_title => $diff ) { |
| 158 |
$html_diff .= '<h3>' . esc_html( $field_title ) . "</h3>\n"; |
| 159 |
$html_diff .= "$diff\n\n"; |
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} |
| 161 |
|
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$html_diff = rtrim( $html_diff ); |
| 163 |
|
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// Replace classes with inline style |
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$html_diff = str_replace( "class='diff'", 'style="width: 100%; border-collapse: collapse; border: none; white-space: pre-wrap; word-wrap: break-word; font-family: Consolas,Monaco,Courier,monospace;"', $html_diff ); |
| 166 |
$html_diff = preg_replace( '#<col[^>]+/?>#i', '', $html_diff ); |
| 167 |
$html_diff = str_replace( "class='diff-deletedline'", 'style="padding: 5px; width: 50%; background-color: #fdd;"', $html_diff ); |
| 168 |
$html_diff = str_replace( "class='diff-addedline'", 'style="padding: 5px; width: 50%; background-color: #dfd;"', $html_diff ); |
| 169 |
$html_diff = str_replace( "class='diff-context'", 'style="padding: 5px; width: 50%;"', $html_diff ); |
| 170 |
$html_diff = str_replace( '<td>', '<td style="padding: 5px;">', $html_diff ); |
| 171 |
$html_diff = str_replace( '<del>', '<del style="text-decoration: none; background-color: #f99;">', $html_diff ); |
| 172 |
$html_diff = str_replace( '<ins>', '<ins style="text-decoration: none; background-color: #9f9;">', $html_diff ); |
| 173 |
$html_diff = str_replace( array( '</td>', '</tr>', '</tbody>' ), array( "</td>\n", "</tr>\n", "</tbody>\n" ), $html_diff ); |
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|
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$html_diff = $html_diff_head . $html_diff; |
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|
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|
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// Refactor some of the meta data for TEXT |
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$length = max( strlen( $left_title ), strlen( $right_title ) ); |
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$left_title = str_pad( $left_title, $length + 2 ); |
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$right_title = str_pad( $right_title, $length + 2 ); |
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|
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// TEXT |
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$text_diff = sprintf( $head_sprintf, $the_author, '"' . $the_title . '"', $this->right_post->post_type, $the_date ) . "\n"; |
| 185 |
$text_diff .= "URL: $the_permalink\n"; |
| 186 |
$text_diff .= "Edit: $the_edit_link\n\n"; |
| 187 |
|
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foreach ( $text_diffs as $field_title => $diff ) { |
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$text_diff .= "$field_title\n"; |
| 190 |
$text_diff .= "===================================================================\n"; |
| 191 |
$text_diff .= "--- $left_title ({$this->left_post->post_date_gmt})\n"; |
| 192 |
$text_diff .= "+++ $right_title ({$this->right_post->post_modified_gmt})\n"; |
| 193 |
$text_diff .= "$diff\n\n"; |
| 194 |
} |
| 195 |
|
| 196 |
$this->text_diff = $text_diff = rtrim( $text_diff ); |
| 197 |
|
| 198 |
|
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// Send email |
| 200 |
$charset = apply_filters( 'wp_mail_charset', get_option( 'blog_charset' ) ); |
| 201 |
$blogname = html_entity_decode( get_option( 'blogname' ), ENT_QUOTES, $charset ); |
| 202 |
$title = html_entity_decode( $the_title, ENT_QUOTES, $charset ); |
| 203 |
|
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add_action( 'phpmailer_init', array( $this, 'phpmailer_init_once' ) ); |
| 205 |
|
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wp_mail( |
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null, // see hack in ::phpmailer_init_once() |
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sprintf( __( '[%s] %s changed: %s' ), $blogname, $post_type, $title ), |
| 209 |
$html_diff |
| 210 |
); |
| 211 |
|
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$this->left_post = null; |
| 213 |
$this->right_post = null; |
| 214 |
|
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do_action( 'email_post_changes_email_sent' ); |
| 216 |
} |
| 217 |
|
| 218 |
/* Email hook */ |
| 219 |
function phpmailer_init_once( $phpmailer ) { |
| 220 |
global $blog_id; |
| 221 |
|
| 222 |
remove_action( 'phpmailer_init', array( $this, 'phpmailer_init_once' ) ); |
| 223 |
$phpmailer->AltBody = $this->text_diff; |
| 224 |
|
| 225 |
$phpmailer->ClearAddresses(); // hack |
| 226 |
|
| 227 |
$options = $this->get_options(); |
| 228 |
|
| 229 |
$user_emails = array(); |
| 230 |
foreach( $options['users'] as $user_id ) { |
| 231 |
if ( function_exists( 'is_multisite' ) && is_multisite() ) { |
| 232 |
if ( is_user_member_of_blog( $user_id, $blog_id ) ) |
| 233 |
$user_emails[] = get_user_option( 'user_email', $user_id ); |
| 234 |
} else { |
| 235 |
if ( $user_email = get_user_option( 'user_email', $user_id ) ) |
| 236 |
$user_emails[] = $user_email; |
| 237 |
} |
| 238 |
} |
| 239 |
|
| 240 |
$emails = array_unique( array_merge( $options['emails'], $user_emails ) ); |
| 241 |
|
| 242 |
if ( !count( $emails ) ) |
| 243 |
$emails[] = get_option( 'admin_email'); |
| 244 |
|
| 245 |
$emails = apply_filters( 'email_post_changes_emails', $emails, $this->left_post->ID, $this->right_post->ID ); |
| 246 |
|
| 247 |
foreach ( $emails as $email ) |
| 248 |
$phpmailer->AddAddress( $email ); |
| 249 |
|
| 250 |
$phpmailer->AddReplyTo( |
| 251 |
get_the_author_meta( 'email', $this->right_post->post_author ), |
| 252 |
get_the_author_meta( 'display_name', $this->right_post->post_author ) |
| 253 |
); |
| 254 |
} |
| 255 |
|
| 256 |
function get_post_type_label( $post_type ) { |
| 257 |
// 2.9 |
| 258 |
if ( !function_exists( 'get_post_type_object' ) ) |
| 259 |
return ucwords( str_replace( '_', ' ', $post_type ) ); |
| 260 |
|
| 261 |
// 3.0 |
| 262 |
$post_type_object = get_post_type_object( $post_type ); |
| 263 |
if ( empty( $post_type_object->label ) ) |
| 264 |
return ucwords( str_replace( '_', ' ', $post_type ) ); |
| 265 |
return $post_type_object->label; |
| 266 |
} |
| 267 |
|
| 268 |
/* Admin */ |
| 269 |
function admin_menu() { |
| 270 |
register_setting( self::OPTION_GROUP, self::OPTION, array( $this, 'validate_options' ) ); |
| 271 |
|
| 272 |
add_settings_section( self::ADMIN_PAGE, __( 'Email Post Changes' ), array( $this, 'settings_section' ), self::ADMIN_PAGE ); |
| 273 |
add_settings_field( self::ADMIN_PAGE . '_enable', __( 'Enable' ), array( $this, 'enable_setting' ), self::ADMIN_PAGE, self::ADMIN_PAGE ); |
| 274 |
add_settings_field( self::ADMIN_PAGE . '_users', __( 'Users to Email' ), array( $this, 'users_setting' ), self::ADMIN_PAGE, self::ADMIN_PAGE ); |
| 275 |
add_settings_field( self::ADMIN_PAGE . '_emails', __( 'Additional Email Addresses' ), array( $this, 'emails_setting' ), self::ADMIN_PAGE, self::ADMIN_PAGE ); |
| 276 |
add_settings_field( self::ADMIN_PAGE . '_post_types', __( 'Post Types' ), array( $this, 'post_types_setting' ), self::ADMIN_PAGE, self::ADMIN_PAGE ); |
| 277 |
add_settings_field( self::ADMIN_PAGE . '_drafts', __( 'Drafts' ), array( $this, 'drafts_setting' ), self::ADMIN_PAGE, self::ADMIN_PAGE ); |
| 278 |
|
| 279 |
add_options_page( __( 'Email Post Changes' ), __( 'Email Post Changes' ), 'manage_options', self::ADMIN_PAGE, array( $this, 'admin_page' ) ); |
| 280 |
} |
| 281 |
|
| 282 |
function validate_options( $options ) { |
| 283 |
if ( !$options || !is_array( $options ) ) |
| 284 |
return $this->defaults; |
| 285 |
|
| 286 |
$return = array(); |
| 287 |
|
| 288 |
$return['enable'] = ( empty( $options['enable'] ) ) ? 0 : 1; |
| 289 |
|
| 290 |
if ( empty( $options['users'] ) || !is_array( $options ) ) { |
| 291 |
$return['users'] = $this->defaults['users']; |
| 292 |
} else { |
| 293 |
$return['users'] = $options['users']; |
| 294 |
} |
| 295 |
|
| 296 |
if ( empty( $options['emails'] ) ) { |
| 297 |
if ( count( $return['users'] ) ) |
| 298 |
$return['emails'] = array(); |
| 299 |
else |
| 300 |
$return['emails'] = $this->defaults['emails']; |
| 301 |
} else { |
| 302 |
if ( is_string( $options['emails'] ) ) |
| 303 |
$_emails = preg_split( '(\n|\r)', $options['emails'], -1, PREG_SPLIT_NO_EMPTY ); |
| 304 |
$_emails = array_unique( (array) $_emails ); |
| 305 |
$emails = array_filter( $_emails, 'is_email' ); |
| 306 |
|
| 307 |
$invalid_emails = array_diff( $_emails, $emails ); |
| 308 |
if ( $invalid_emails ) |
| 309 |
$return['invalid_emails'] = $invalid_emails; |
| 310 |
|
| 311 |
if ( $emails ) |
| 312 |
$return['emails'] = $emails; |
| 313 |
elseif ( count( $return['users'] ) ) |
| 314 |
$return['emails'] = array(); |
| 315 |
else |
| 316 |
$return['emails'] = $this->defaults['emails']; |
| 317 |
|
| 318 |
// Don't store a huge list of invalid emails addresses in the option |
| 319 |
if ( count( $return['invalid_emails'] ) > 200 ) { |
| 320 |
$return['invalid_emails'] = array_slice( $return['invalid_emails'], 0, 200 ); |
| 321 |
$return['invalid_emails'][] = __( 'and many more not listed here' ); |
| 322 |
} |
| 323 |
|
| 324 |
// Cap to at max 200 email addresses |
| 325 |
if ( count( $return['emails'] ) > 200 ) { |
| 326 |
$return['emails'] = array_slice( $return['emails'], 0, 200 ); |
| 327 |
} |
| 328 |
} |
| 329 |
|
| 330 |
if ( empty( $options['post_types'] ) || !is_array( $options ) ) { |
| 331 |
$return['post_types'] = $this->defaults['post_types']; |
| 332 |
} else { |
| 333 |
$post_types = array_intersect( $options['post_types'], $this->get_post_types() ); |
| 334 |
$return['post_types'] = $post_types ? $post_types : $this->defaults['post_types']; |
| 335 |
} |
| 336 |
|
| 337 |
$return['drafts'] = ( empty( $options['drafts'] ) ) ? 0 : 1; |
| 338 |
|
| 339 |
do_action( 'email_post_changes_validate_options', $this->get_options(), $return ); |
| 340 |
|
| 341 |
return $return; |
| 342 |
} |
| 343 |
|
| 344 |
function admin_page() { |
| 345 |
$options = $this->get_options(); |
| 346 |
?> |
| 347 |
|
| 348 |
<div class="wrap"> |
| 349 |
<h2><?php _e( 'Email Post Changes' ); ?></h2> |
| 350 |
<?php if ( !empty( $options['invalid_emails'] ) && $_GET['settings-updated'] ) : ?> |
| 351 |
<div class="error"> |
| 352 |
<p><?php printf( _n( 'Invalid Email: %s', 'Invalid Emails: %s', count( $options['invalid_emails'] ) ), '<kbd>' . join( '</kbd>, <kbd>', array_map( 'esc_html', $options['invalid_emails'] ) ) ); ?></p> |
| 353 |
</div> |
| 354 |
<?php endif; ?> |
| 355 |
|
| 356 |
<form action="options.php" method="post"> |
| 357 |
<?php settings_fields( self::OPTION_GROUP ); ?> |
| 358 |
<?php do_settings_sections( self::ADMIN_PAGE ); ?> |
| 359 |
<p class="submit"> |
| 360 |
<input type="submit" class="button-primary" value="<?php esc_attr_e( 'Save Changes' ); ?>" /> |
| 361 |
</p> |
| 362 |
</form> |
| 363 |
</div> |
| 364 |
<?php |
| 365 |
} |
| 366 |
|
| 367 |
function settings_section() {} // stub |
| 368 |
|
| 369 |
function enable_setting() { |
| 370 |
$options = $this->get_options(); |
| 371 |
?> |
| 372 |
<p><label><input type="checkbox" name="email_post_changes[enable]" value="1"<?php checked( $options['enable'], 1 ); ?> /> <?php _e( 'Send an email when a post or page changes.' ); ?></label></p> |
| 373 |
<?php |
| 374 |
} |
| 375 |
|
| 376 |
function users_setting() { |
| 377 |
$options = $this->get_options(); |
| 378 |
?> |
| 379 |
<div style="overflow: auto; max-height: 300px;"> |
| 380 |
<ul> |
| 381 |
<?php $users = get_users(); |
| 382 |
usort( $users, array( $this, 'sort_users_by_display_name' ) ); |
| 383 |
|
| 384 |
foreach ( $users as $user ) : ?> |
| 385 |
<li><label><input type="checkbox" name="email_post_changes[users][]" value="<?php echo (int) $user->ID; ?>"<?php checked( in_array( $user->ID, $options['users'] ) ); ?> /> <?php echo esc_html( $user->display_name ); ?> ( <?php echo esc_html( $user->user_login ); ?> - <?php echo esc_html( $user->user_email ); ?> )</label></li> |
| 386 |
|
| 387 |
<?php endforeach; ?> |
| 388 |
</ul> |
| 389 |
</div> |
| 390 |
<?php |
| 391 |
} |
| 392 |
|
| 393 |
function sort_users_by_display_name( $a, $b ) { |
| 394 |
return strcmp( strtolower( $a->display_name ), strtolower( $b->display_name ) ); |
| 395 |
} |
| 396 |
|
| 397 |
function emails_setting() { |
| 398 |
$options = $this->get_options(); |
| 399 |
?> |
| 400 |
<textarea rows="4" cols="40" style="width: 40em;" name="email_post_changes[emails]"><?php echo esc_html( join( "\n", $options['emails'] ) ); ?></textarea> |
| 401 |
<p class="description"><?php _e( 'One email address per line.' ); ?></p> |
| 402 |
<?php |
| 403 |
} |
| 404 |
|
| 405 |
function post_types_setting() { |
| 406 |
$options = $this->get_options(); |
| 407 |
?> |
| 408 |
<ul> |
| 409 |
<?php foreach ( $this->get_post_types() as $post_type ) : |
| 410 |
$label = $this->get_post_type_label( $post_type ); |
| 411 |
?> |
| 412 |
<li><label><input type="checkbox" name="email_post_changes[post_types][]" value="<?php echo esc_attr( $post_type ); ?>"<?php checked( in_array( $post_type, $options['post_types'] ) ); ?> /> <?php echo esc_html( $label ); ?></label></li> |
| 413 |
<?php endforeach; ?> |
| 414 |
</ul> |
| 415 |
<?php |
| 416 |
} |
| 417 |
|
| 418 |
function drafts_setting() { |
| 419 |
$options = $this->get_options(); |
| 420 |
?> |
| 421 |
<p><label><input type="checkbox" name="email_post_changes[drafts]" value="1"<?php checked( $options['drafts'], 1 ); ?> /> <?php _e( 'Email changes to drafts, not just published items.' ); ?></label></p> |
| 422 |
<?php |
| 423 |
} |
| 424 |
|
| 425 |
function wp_text_diff( $left_string, $right_string, $args = null ) { |
| 426 |
$defaults = array( 'title' => '', 'title_left' => '', 'title_right' => '' ); |
| 427 |
$args = wp_parse_args( $args, $defaults ); |
| 428 |
|
| 429 |
$left_string = normalize_whitespace( $left_string ); |
| 430 |
$right_string = normalize_whitespace( $right_string ); |
| 431 |
$left_lines = explode( "\n", $left_string ); |
| 432 |
$right_lines = explode( "\n", $right_string ); |
| 433 |
|
| 434 |
$text_diff = new Text_Diff( $left_lines, $right_lines ); |
| 435 |
$renderer = new Email_Post_Changes_Diff(); |
| 436 |
$diff = $renderer->render( $text_diff ); |
| 437 |
|
| 438 |
if ( !$diff ) |
| 439 |
return ''; |
| 440 |
|
| 441 |
$r = "<table class='diff'>\n"; |
| 442 |
$r .= "<col class='ltype' /><col class='content' /><col class='ltype' /><col class='content' />"; |
| 443 |
|
| 444 |
if ( $args['title'] || $args['title_left'] || $args['title_right'] ) |
| 445 |
$r .= "<thead>"; |
| 446 |
if ( $args['title'] ) |
| 447 |
$r .= "<tr class='diff-title'><th colspan='4'>$args[title]</th></tr>\n"; |
| 448 |
if ( $args['title_left'] || $args['title_right'] ) { |
| 449 |
$r .= "<tr class='diff-sub-title'>\n"; |
| 450 |
$r .= "\t<td></td><th>$args[title_left]</th>\n"; |
| 451 |
$r .= "\t<td></td><th>$args[title_right]</th>\n"; |
| 452 |
$r .= "</tr>\n"; |
| 453 |
} |
| 454 |
if ( $args['title'] || $args['title_left'] || $args['title_right'] ) |
| 455 |
$r .= "</thead>\n"; |
| 456 |
$r .= "<tbody>\n$diff\n</tbody>\n"; |
| 457 |
$r .= "</table>"; |
| 458 |
return $r; |
| 459 |
} |
| 460 |
} |
| 461 |
|
| 462 |
if ( !class_exists( 'WP_Text_Diff_Renderer_Table' ) ) |
| 463 |
require( ABSPATH . WPINC . '/wp-diff.php' ); |
| 464 |
|
| 465 |
class Email_Post_Changes_Diff extends WP_Text_Diff_Renderer_Table { |
| 466 |
var $_leading_context_lines = 2; |
| 467 |
var $_trailing_context_lines = 2; |
| 468 |
} |
| 469 |
|
