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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 |
|---|---|
| 1170 | } else { |
| 1171 | $salt = get_option('logged_in_salt'); |
| 1172 | if ( empty($salt) ) { |
| 1173 | $salt = wp_generate_password(); |
| 1174 | update_option('logged_in_salt', $salt); |
| 1175 | } |
| 1176 | } |
| 1177 | } |
| 1178 | |
| 1179 | return apply_filters('salt', $secret_key . $salt, $scheme); |
| 1180 | } |
| 1181 | endif; |
| 1182 | |
| 1183 | if ( !function_exists('wp_hash') ) : |
| 1184 | /** |
| 1185 | * Get hash of given string. |
| 1186 | * |
| 1187 | * @since 2.0.4 |
| 1188 | * @uses wp_salt() Get WordPress salt |