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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 |
|---|---|
| 1048 | $salt = SECRET_SALT; |
| 1049 | } else { |
| 1050 | $salt = get_option('secret'); |
| 1051 | if ( empty($salt) ) { |
| 1052 | $salt = wp_generate_password(); |
| 1053 | update_option('secret', $salt); |
| 1054 | } |
| 1055 | } |
| 1056 | |
| 1057 | return apply_filters('salt', $secret_key . $salt); |
| 1058 | } |
| 1059 | endif; |
| 1060 | |
| 1061 | if ( !function_exists('wp_hash') ) : |
| 1062 | /** |
| 1063 | * wp_hash() - Get hash of given string |
| 1064 | * |
| 1065 | * @since 2.0.4 |
| 1066 | * @uses wp_salt() Get WordPress salt |