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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 |
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28 | } |
29 |
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30 |
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31 | function wp_loginout() { |
32 | if ( ! is_user_logged_in() ) |
33 | $link = '<a href="' . get_option('siteurl') . '/wp-login.php">' . __('Login') . '</a>'; |
34 | else |
35 | $link = '<a href="' . get_option('siteurl') . '/wp-login.php?action=logout">' . __('Logout') . '</a>'; |
36 |
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37 | echo apply_filters('loginout', $link); |
38 | } |
39 |
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40 |
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41 | function wp_register( $before = '<li>', $after = '</li>' ) { |
42 |
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43 | if ( ! is_user_logged_in() ) { |
44 | if ( get_option('users_can_register') ) |
45 | $link = $before . '<a href="' . get_option('siteurl') . '/wp-login.php?action=register">' . __('Register') . '</a>' . $after; |
46 | else |