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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
Line | Code |
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38 | } |
39 |
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40 | /** |
41 | * Toggle site update services configuration functionality. |
42 | * |
43 | * @since 3.0.0 |
44 | * |
45 | * @param bool True or false, based on whether update services configuration is enabled or not. |
46 | */ |
47 | if ( apply_filters( 'enable_update_services_configuration', true ) ) { |
48 | get_current_screen()->add_help_tab( array( |
49 | 'id' => 'options-services', |
50 | 'title' => __( 'Update Services' ), |
51 | 'content' => '<p>' . __( 'If desired, WordPress will automatically alert various services of your new posts.' ) . '</p>', |
52 | ) ); |
53 | } |
54 |
|
55 | get_current_screen()->set_help_sidebar( |
56 | '<p><strong>' . __('For more information:') . '</strong></p>' . |
Line | Code |
162 | ?> |
163 | </td> |
164 | </tr> |
165 | <?php do_settings_fields('writing', 'post_via_email'); ?> |
166 | </table> |
167 | <?php } ?> |
168 |
|
169 | <?php |
170 | /** This filter is documented in wp-admin/options-writing.php */ |
171 | if ( apply_filters( 'enable_update_services_configuration', true ) ) { |
172 | ?> |
173 | <h3 class="title"><?php _e('Update Services') ?></h3> |
174 |
|
175 | <?php if ( 1 == get_option('blog_public') ) : ?> |
176 |
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177 | <p><label for="ping_sites"><?php _e('When you publish a new post, WordPress automatically notifies the following site update services. For more about this, see <a href="http://codex.wordpress.org/Update_Services">Update Services</a> on the Codex. Separate multiple service <abbr title="Universal Resource Locator">URL</abbr>s with line breaks.') ?></label></p> |
178 |
|
179 | <textarea name="ping_sites" id="ping_sites" class="large-text code" rows="3"><?php echo esc_textarea( get_option('ping_sites') ); ?></textarea> |
180 |
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