acp_profile.php

这些都是我以前学习是用到的源码

					$field_option = ($field_row['field_required']) ? 'field_required' : (($field_row['field_show_on_reg']) ? 'field_show_on_reg' : (($field_row['field_hide']) ? 'field_hide' : ''));
				}

				$cp->vars['field_no_view'] = request_var('field_no_view', $field_row['field_no_view']);

				// A boolean field expects an array as the lang options
				if ($field_type == FIELD_BOOL)
				{
					$options = request_var('lang_options', array(''), true);
				}
				else
				{
					$options = request_var('lang_options', '', true);
				}

				// If the user has submitted a form with options (i.e. dropdown field)
				if ($options)
				{
					$exploded_options = (is_array($options)) ? $options : explode("\n", $options);

					if (sizeof($exploded_options) == sizeof($lang_options) || $action == 'create')
					{
						// The number of options in the field is equal to the number of options already in the database
						// Or we are creating a new dropdown list.
						$cp->vars['lang_options']	= $exploded_options;
					}
					else if ($action == 'edit')
					{
						// Changing the number of options? (We remove and re-create the option fields)
						$cp->vars['lang_options']	= $exploded_options;
					}
				}
				else
				{
					$cp->vars['lang_options']	= $lang_options;
				}

				// step 2
				foreach ($exclude[2] as $key)
				{
					$var = request_var($key, $field_row[$key], true);

					// Manipulate the intended variables a little bit if needed
					if ($field_type == FIELD_DROPDOWN && $key == 'field_maxlen')
					{
						// Get the number of options if this key is 'field_maxlen'
						$var = sizeof(explode("\n", request_var('lang_options', '', true)));
					}

					if ($field_type == FIELD_TEXT && $key == 'field_length')
					{
						if (isset($_REQUEST['rows']))
						{
							$cp->vars['rows'] = request_var('rows', 0);
							$cp->vars['columns'] = request_var('columns', 0);
							$var = $cp->vars['rows'] . '|' . $cp->vars['columns'];
						}
						else
						{
							$row_col = explode('|', $var);
							$cp->vars['rows'] = $row_col[0];
							$cp->vars['columns'] = $row_col[1];
						}
					}

					if ($field_type == FIELD_DATE && $key == 'field_default_value')
					{
						$always_now = request_var('always_now', 0);

						if ($always_now || $var == 'now')
						{
							$now = getdate();

							$cp->vars['field_default_value_day'] = $now['mday'];
							$cp->vars['field_default_value_month'] = $now['mon'];
							$cp->vars['field_default_value_year'] = $now['year'];
							$var = $_POST['field_default_value'] = 'now';
						}
						else
						{
							if (isset($_REQUEST['field_default_value_day']))
							{
								$cp->vars['field_default_value_day'] = request_var('field_default_value_day', 0);
								$cp->vars['field_default_value_month'] = request_var('field_default_value_month', 0);
								$cp->vars['field_default_value_year'] = request_var('field_default_value_year', 0);
								$var = $_POST['field_default_value'] = sprintf('%2d-%2d-%4d', $cp->vars['field_default_value_day'], $cp->vars['field_default_value_month'], $cp->vars['field_default_value_year']);
							}
							else
							{
								list($cp->vars['field_default_value_day'], $cp->vars['field_default_value_month'], $cp->vars['field_default_value_year']) = explode('-', $var);
							}
						}	
					}

					$cp->vars[$key] = $var;
				}

				// step 3 - all arrays
				if ($action == 'edit')
				{
					// Get language entries
					$sql = 'SELECT *
						FROM ' . PROFILE_FIELDS_LANG_TABLE . ' 
						WHERE lang_id <> ' . $lang_defs['iso'][$config['default_lang']] . "
							AND field_id = $field_id
						ORDER BY option_id ASC";
					$result = $db->sql_query($sql);

					$l_lang_options = array();
					while ($row = $db->sql_fetchrow($result))
					{
						$l_lang_options[$row['lang_id']][$row['option_id']] = $row['lang_value'];
					}
					$db->sql_freeresult($result);

		
					$sql = 'SELECT lang_id, lang_name, lang_explain, lang_default_value
						FROM ' . PROFILE_LANG_TABLE . ' 
						WHERE lang_id <> ' . $lang_defs['iso'][$config['default_lang']] . "
							AND field_id = $field_id
						ORDER BY lang_id ASC";
					$result = $db->sql_query($sql);

					$l_lang_name = $l_lang_explain = $l_lang_default_value = array();
					while ($row = $db->sql_fetchrow($result))
					{
						$l_lang_name[$row['lang_id']] = $row['lang_name'];
						$l_lang_explain[$row['lang_id']] = $row['lang_explain'];
						$l_lang_default_value[$row['lang_id']] = $row['lang_default_value'];
					}
					$db->sql_freeresult($result);
				}
		
				foreach ($exclude[3] as $key)
				{
					$cp->vars[$key] = request_var($key, array(0 => ''), true);

					if (!$cp->vars[$key] && $action == 'edit')
					{
						$cp->vars[$key] = $$key;
					}
					else if ($key == 'l_lang_options' && sizeof($cp->vars[$key]) > 1)
					{
						foreach ($cp->vars[$key] as $lang_id => $options)
						{
							$cp->vars[$key][$lang_id] = explode("\n", $options);
						}
					}
				}

				// Check for general issues in every step
				if ($submit) //  && $step == 1
				{
					// Check values for step 1
					if ($cp->vars['field_ident'] == '')
					{
						$error[] = $user->lang['EMPTY_FIELD_IDENT'];
					}

					if (!preg_match('/^[a-z_]+$/', $cp->vars['field_ident']))
					{
						$error[] = $user->lang['INVALID_CHARS_FIELD_IDENT'];
					}

					if (strlen($cp->vars['field_ident']) > 17)
					{
						$error[] = $user->lang['INVALID_FIELD_IDENT_LEN'];
					}

					if ($cp->vars['lang_name'] == '')
					{
						$error[] = $user->lang['EMPTY_USER_FIELD_NAME'];
					}

					if ($field_type == FIELD_DROPDOWN && !sizeof($cp->vars['lang_options']))
					{
						$error[] = $user->lang['NO_FIELD_ENTRIES'];
					}

					if ($field_type == FIELD_BOOL && (empty($cp->vars['lang_options'][0]) || empty($cp->vars['lang_options'][1])))
					{
						$error[] = $user->lang['NO_FIELD_ENTRIES'];
					}

					// Check for already existing field ident
					if ($action != 'edit')
					{
						$sql = 'SELECT field_ident 
							FROM ' . PROFILE_FIELDS_TABLE . " 
							WHERE field_ident = '" . $db->sql_escape($cp->vars['field_ident']) . "'";
						$result = $db->sql_query($sql);
						$row = $db->sql_fetchrow($result);
						$db->sql_freeresult($result);

						if ($row)
						{
							$error[] = $user->lang['FIELD_IDENT_ALREADY_EXIST'];
						}
					}
				}

				$step = (isset($_REQUEST['next'])) ? $step + 1 : ((isset($_REQUEST['prev'])) ? $step - 1 : $step);

				if (sizeof($error))
				{
					$step--;
					$submit = false;
				}

				// Build up the specific hidden fields
				foreach ($exclude as $num => $key_ary)
				{
					if ($num == $step)
					{
						continue;
					}

					$_new_key_ary = array();

					foreach ($key_ary as $key)
					{
						if (!isset($_REQUEST[$key]))
						{
							$var = false;
						}
						else
						{
							$_new_key_ary[$key] = (is_array($_REQUEST[$key])) ? request_var($key, array(''), true) : request_var($key, '', true);
						}
					}

					$s_hidden_fields .= build_hidden_fields($_new_key_ary);
				}

				if (!sizeof($error))
				{
					if ($step == 3 && (sizeof($lang_defs['iso']) == 1 || $save))
					{
						$this->save_profile_field($cp, $field_type, $lang_defs, $action);
					}
					else if ($action == 'edit' && $save)
					{
						$this->save_profile_field($cp, $field_type, $lang_defs, $action);
					}
				}

				$template->assign_vars(array(
					'S_EDIT'			=> true,
					'S_EDIT_MODE'		=> ($action == 'edit') ? true : false,
					'ERROR_MSG'			=> (sizeof($error)) ? implode('<br />', $error) : '',

					'L_TITLE'			=> $user->lang['STEP_' . $step . '_TITLE_' . strtoupper($action)],
					'L_EXPLAIN'			=> $user->lang['STEP_' . $step . '_EXPLAIN_' . strtoupper($action)],
					
					'U_ACTION'			=> $this->u_action . "&amp;action=$action&amp;step=$step",
					'U_BACK'			=> $this->u_action)
				);

				// Now go through the steps
				switch ($step)
				{
					// Create basic options - only small differences between field types
					case 1: 
	
						// Build common create options
						$template->assign_vars(array(
							'S_STEP_ONE'		=> true,
							'S_FIELD_REQUIRED'	=> ($cp->vars['field_required']) ? true : false,
							'S_SHOW_ON_REG'		=> ($cp->vars['field_show_on_reg']) ? true : false,
							'S_FIELD_HIDE'		=> ($cp->vars['field_hide']) ? true : false,
							'S_FIELD_NO_VIEW'	=> ($cp->vars['field_no_view']) ? true : false,

							'L_LANG_SPECIFIC'	=> sprintf($user->lang['LANG_SPECIFIC_OPTIONS'], $config['default_lang']),
							'FIELD_TYPE'		=> $user->lang['FIELD_' . strtoupper($cp->profile_types[$field_type])],
							'FIELD_IDENT'		=> $cp->vars['field_ident'],
							'LANG_NAME'			=> $cp->vars['lang_name'],
							'LANG_EXPLAIN'		=> $cp->vars['lang_explain'])
						);

						// String and Text needs to set default values here...
						if ($field_type == FIELD_STRING || $field_type == FIELD_TEXT)
						{
							$template->assign_vars(array(
								'S_TEXT'		=> ($field_type == FIELD_TEXT) ? true : false,
								'S_STRING'		=> ($field_type == FIELD_STRING) ? true : false,

								'L_DEFAULT_VALUE_EXPLAIN'	=> $user->lang[strtoupper($cp->profile_types[$field_type]) . '_DEFAULT_VALUE_EXPLAIN'],
								'LANG_DEFAULT_VALUE'		=> $cp->vars['lang_default_value'])
							);
						}
			
						if ($field_type == FIELD_BOOL || $field_type == FIELD_DROPDOWN)
						{
							// Initialize these array elements if we are creating a new field
							if (!sizeof($cp->vars['lang_options']))
							{
								if ($field_type == FIELD_BOOL)
								{
									// No options have been defined for a boolean field.
									$cp->vars['lang_options'][0] = '';
									$cp->vars['lang_options'][1] = '';
								}
								else
								{
									// No options have been defined for the dropdown menu
									$cp->vars['lang_options'] = array();
								}
							}

							$template->assign_vars(array(
								'S_BOOL'		=> ($field_type == FIELD_BOOL) ? true : false,
								'S_DROPDOWN'	=> ($field_type == FIELD_DROPDOWN) ? true : false,

								'L_LANG_OPTIONS_EXPLAIN'	=> $user->lang[strtoupper($cp->profile_types[$field_type]) . '_ENTRIES_EXPLAIN'],
								'LANG_OPTIONS'				=> ($field_type == FIELD_DROPDOWN) ? implode("\n", $cp->vars['lang_options']) : '',
								'FIRST_LANG_OPTION'			=> ($field_type == FIELD_BOOL) ? $cp->vars['lang_options'][0] : '',
								'SECOND_LANG_OPTION'		=> ($field_type == FIELD_BOOL) ? $cp->vars['lang_options'][1] : '')
							);
						}
					
					break;

					case 2:
						
						$template->assign_vars(array(
							'S_STEP_TWO'		=> true,
							'L_NEXT'			=> (sizeof($lang_defs['iso']) == 1) ? $user->lang['SAVE'] : $user->lang['PROFILE_LANG_OPTIONS'])
						);

						// Build options based on profile type
						$function = 'get_' . $cp->profile_types[$field_type] . '_options';
						$options = $cp->$function();

						foreach ($options as $num => $option_ary)
						{
							$template->assign_block_vars('option', $option_ary);
						}

					break;

					// Define remaining language variables
					case 3: 

						$template->assign_var('S_STEP_THREE', true);
						$options = $this->build_language_options($cp, $field_type, $action);

						foreach ($options as $lang_id => $lang_ary)
						{
							$template->assign_block_vars('options', array(
								'LANGUAGE'		=> ($lang_ary['lang_iso'] == $config['default_lang']) ? sprintf($user->lang['DEFAULT_ISO_LANGUAGE'], $config['default_lang']) : sprintf($user->lang['ISO_LANGUAGE'], $lang_ary['lang_iso']))
							);

							foreach ($lang_ary['fields'] as $field_ident => $field_ary)
							{
								$template->assign_block_vars('options.field', array(
									'L_TITLE'		=> $field_ary['TITLE'],
									'L_EXPLAIN'		=> (isset($field_ary['EXPLAIN'])) ? $field_ary['EXPLAIN'] : '',
									'FIELD'			=> $field_ary['FIELD'])
								);
							}
						}
		
					break;
				}

				$template->assign_vars(array(
					'S_HIDDEN_FIELDS'	=> $s_hidden_fields)
				);

				return;

			break;
		}
		
		$sql = 'SELECT *
			FROM ' . PROFILE_FIELDS_TABLE . '
			ORDER BY field_order';
		$result = $db->sql_query($sql);

		$s_one_need_edit = false;
		while ($row = $db->sql_fetchrow($result))
		{