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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 77 | .login #login { margin: 20px auto; } |
| 78 | </style> |
| 79 | <?php |
| 80 | } |
| 81 | |
| 82 | do_action('login_head'); ?> |
| 83 | </head> |
| 84 | <body class="login"> |
| 85 | <?php if ( !is_multisite() ) { ?> |
| 86 | <div id="login"><h1><a href="<?php echo apply_filters('login_headerurl', 'http://wordpress.org/'); ?>" title="<?php echo apply_filters('login_headertitle', __('Powered by WordPress')); ?>"><?php bloginfo('name'); ?></a></h1> |
| 87 | <?php } else { ?> |
| 88 | <div id="login"><h1><a href="<?php echo apply_filters('login_headerurl', network_home_url() ); ?>" title="<?php echo apply_filters('login_headertitle', $current_site->site_name ); ?>"><span class="hide"><?php bloginfo('name'); ?></span></a></h1> |
| 89 | <?php } |
| 90 | |
| 91 | $message = apply_filters('login_message', $message); |
| 92 | if ( !empty( $message ) ) echo $message . "\n"; |
| 93 | |
| 94 | // Incase a plugin uses $error rather than the $errors object |
| 95 | if ( !empty( $error ) ) { |
| 96 | $wp_error->add('error', $error); |
| 97 | unset($error); |