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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 |
---|---|
82 |
|
83 | if ( is_multisite() ) { |
84 | $login_header_url = network_home_url(); |
85 | $login_header_title = $current_site->site_name; |
86 | } else { |
87 | $login_header_url = __( 'http://wordpress.org/' ); |
88 | $login_header_title = __( 'Powered by WordPress' ); |
89 | } |
90 |
|
91 | $login_header_url = apply_filters( 'login_headerurl', $login_header_url ); |
92 | $login_header_title = apply_filters( 'login_headertitle', $login_header_title ); |
93 |
|
94 | $classes = array( 'login-action-' . $action, 'wp-core-ui' ); |
95 | if ( wp_is_mobile() ) |
96 | $classes[] = 'mobile'; |
97 | if ( is_rtl() ) |
98 | $classes[] = 'rtl'; |
99 | if ( $interim_login ) { |
100 | $classes[] = 'interim-login'; |