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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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185 | $submenu_file = 'sites.php'; |
186 |
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187 | /** |
188 | * Filters whether to show the Add Existing User form on the Multisite Users screen. |
189 | * |
190 | * @since 3.1.0 |
191 | * |
192 | * @param bool $bool Whether to show the Add Existing User form. Default true. |
193 | */ |
194 | if ( ! wp_is_large_network( 'users' ) && apply_filters( 'show_network_site_users_add_existing_form', true ) ) |
195 | wp_enqueue_script( 'user-suggest' ); |
196 |
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197 | require( ABSPATH . 'wp-admin/admin-header.php' ); ?> |
198 |
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199 | <script type="text/javascript"> |
200 | var current_site_id = <?php echo $id; ?>; |
201 | </script> |
202 |
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203 |
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Line | Code |
263 | <?php |
264 | /** |
265 | * Fires after the list table on the Users screen in the Multisite Network Admin. |
266 | * |
267 | * @since 3.1.0 |
268 | */ |
269 | do_action( 'network_site_users_after_list_table' ); |
270 |
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271 | /** This filter is documented in wp-admin/network/site-users.php */ |
272 | if ( current_user_can( 'promote_users' ) && apply_filters( 'show_network_site_users_add_existing_form', true ) ) : ?> |
273 | <h2 id="add-existing-user"><?php _e( 'Add Existing User' ); ?></h2> |
274 | <form action="site-users.php?action=adduser" id="adduser" method="post"> |
275 | <input type="hidden" name="id" value="<?php echo esc_attr( $id ) ?>" /> |
276 | <table class="form-table"> |
277 | <tr> |
278 | <th scope="row"><label for="newuser"><?php _e( 'Username' ); ?></label></th> |
279 | <td><input type="text" class="regular-text wp-suggest-user" name="newuser" id="newuser" /></td> |
280 | </tr> |
281 | <tr> |