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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 |
---|---|
537 | /** |
538 | * Filters the default login form output arguments. |
539 | * |
540 | * @since 3.0.0 |
541 | * |
542 | * @see wp_login_form() |
543 | * |
544 | * @param array $defaults An array of default login form arguments. |
545 | */ |
546 | $args = wp_parse_args( $args, apply_filters( 'login_form_defaults', $defaults ) ); |
547 |
|
548 | /** |
549 | * Filters content to display at the top of the login form. |
550 | * |
551 | * The filter evaluates just following the opening form tag element. |
552 | * |
553 | * @since 3.0.0 |
554 | * |
555 | * @param string $content Content to display. Default empty. |