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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 |
|---|---|
| 151 | $login_header_text = empty( $login_header_title ) ? __( 'Powered by WordPress' ) : $login_header_title; |
| 152 | |
| 153 | /** |
| 154 | * Filters the link text of the header logo above the login form. |
| 155 | * |
| 156 | * @since 5.2.0 |
| 157 | * |
| 158 | * @param string $login_header_text The login header logo link text. |
| 159 | */ |
| 160 | $login_header_text = apply_filters( 'login_headertext', $login_header_text ); |
| 161 | |
| 162 | $classes = array( 'login-action-' . $action, 'wp-core-ui' ); |
| 163 | |
| 164 | if ( is_rtl() ) { |
| 165 | $classes[] = 'rtl'; |
| 166 | } |
| 167 | |
| 168 | if ( $interim_login ) { |
| 169 | $classes[] = 'interim-login'; |