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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 |
---|---|
1525 | $login_script .= "}\n"; // End of wp_attempt_focus(). |
1526 |
|
1527 | /** |
1528 | * Filters whether to print the call to `wp_attempt_focus()` on the login screen. |
1529 | * |
1530 | * @since 4.8.0 |
1531 | * |
1532 | * @param bool $print Whether to print the function call. Default true. |
1533 | */ |
1534 | if ( apply_filters( 'enable_login_autofocus', true ) && ! $error ) { |
1535 | $login_script .= "wp_attempt_focus();\n"; |
1536 | } |
1537 |
|
1538 | // Run `wpOnload()` if defined. |
1539 | $login_script .= "if ( typeof wpOnload === 'function' ) { wpOnload() }"; |
1540 |
|
1541 | ?> |
1542 | <script type="text/javascript"> |
1543 | <?php echo $login_script; ?> |