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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.
| Line | Code |
|---|---|
| 221 | if ( is_multisite() ) |
| 222 | $blogname = $GLOBALS['current_site']->site_name; |
| 223 | else |
| 224 | // The blogname option is escaped with esc_html on the way into the database in sanitize_option |
| 225 | // we want to reverse this for the plain text arena of emails. |
| 226 | $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); |
| 227 | |
| 228 | $title = sprintf( __('[%s] Password Reset'), $blogname ); |
| 229 | |
| 230 | $title = apply_filters('retrieve_password_title', $title); |
| 231 | $message = apply_filters('retrieve_password_message', $message, $key); |
| 232 | |
| 233 | if ( $message && !wp_mail($user_email, $title, $message) ) |
| 234 | wp_die( __('The e-mail could not be sent.') . "<br />\n" . __('Possible reason: your host may have disabled the mail() function...') ); |
| 235 | |
| 236 | return true; |
| 237 | } |
| 238 | |
| 239 | /** |