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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 |
|---|---|
| 104 | |
| 105 | case 'update': |
| 106 | |
| 107 | check_admin_referer('update-user_' . $user_id); |
| 108 | |
| 109 | if ( !current_user_can('edit_user', $user_id) ) |
| 110 | wp_die(__('You do not have permission to edit this user.')); |
| 111 | |
| 112 | if ( IS_PROFILE_PAGE ) |
| 113 | do_action('personal_options_update', $user_id); |
| 114 | else |
| 115 | do_action('edit_user_profile_update', $user_id); |
| 116 | |
| 117 | if ( !is_multisite() ) { |
| 118 | $errors = edit_user($user_id); |
| 119 | } else { |
| 120 | $user = get_userdata( $user_id ); |
| 121 | |
| 122 | // Update the email address in signups, if present. |