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Chapter 4: Architecture of an Intranet Application 105 $this->escapedVarHash{$key} = preg_replace( /s/ , + ,$value); } } function get_escapedVar($key) { return $this->escapedVarHash{$key}; } function setUID($uid = null) { $this->user_id = $uid; } function getUID() { return $this->user_id; } //To Kabir: I added this — Asif function getUserName() { return $this->user_name; } function emptyError($field, $errCode) { if (empty($field)) { $this->alert($errCode); } } function getRequestField($field, $default = null) { return (! empty($_REQUEST[$field] )) ? $_REQUEST[$field] : $default; } function getSessionField($field, $default = null) { return (! empty($_SESSION[$field] )) ? $_SESSION[$field] : $default; } Continued
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104 Part II: Developing Intranet Solutions Listing 4-4 (Continued) function debug_array($hash = null) { $this->debugger->debug_array($hash); } function writeln($msg) { // print global $WWW_NEWLINE; global $NEWLINE; echo $msg ,(strstr($this->app_type, WEB )) ? $WWW_NEWLINE : $NEWLINE; } function show_status($msg = null,$returnURL = null) { global $STATUS_TEMPLATE; $template = new Template($this->template_dir); $template->set_file( fh , $STATUS_TEMPLATE); $template->set_block( fh , mainBlock , mblock ); $template->set_var( STATUS_MESSAGE , $msg); if (!preg_match( /^http:/ , $returnURL) && (!preg_match( /^// , $returnURL))) { $appPath = sprintf( %s/%s , $this->app_path, $returnURL); } else { $appPath = $returnURL; } $template->set_var( RETURN_URL , $appPath); $template->set_var( BASE_URL , $this->base_url); $template->parse( mblock , mainBlock ); $template->pparse( output , fh ); } function set_escapedVar($hash) { while(list($key, $value) = each ($hash)) {
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Chapter 4: Architecture of an Intranet Application 103 // ASIF what is thie method doing in this class??? function comboOption($optVal = null) { if ($optVal != 0) { return 1; }else { return 0; } } function day($day = null) { if ($day >=1 && $day <=31) { return 1; } else { return 0; } } function year($year = null) { return ($this->number($year)); } function one_zero_flag($flag = null) { if ($flag == 1 || $flag == 0) { return 1; } else { return 1; } } function plain_text($text = null) { return 1; } Continued
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102 Part II: Developing Intranet Solutions Listing 4-4 (Continued) } else if (is_numeric($num)) { return 1; } else { return 0; } } function name($name = null) { if (!strlen($name) || is_numeric($name)) { return 0; } else { return 1; } } function email($email = null) { if (strlen($email) < 5 || ! strpos($email, )) { return 0; } else { return 1; } } function currency($amount = null) { return 1; } function month($mm = null) { if ($mm >=1 && $mm <=12) { return 1; } else { return 0; } }
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Chapter 4: Architecture of an Intranet Application 101 { echo

   ; print_r($this); echo    

; } else { print_r($this); } } function checkRequiredFields($fieldType = null, $fieldData = null, $errorCode = null) { $err = array(); while(list($field, $func) = each ($fieldType)) { $ok = $this->$func($fieldData[$field]); if (! $ok ) { $this->alert($errorCode{$field}); } } return $err; } function number($num = null) { if (is_array($num)) { foreach ($num as $i) { if (! is_numeric($i)) { return 0; } } return 1; Continued
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100 Part II: Developing Intranet Solutions Listing 4-4 (Continued) return 1; } else { return 0; } } function has_error() { return $this->has_error; } function reset_error() { $this->has_error = FALSE; } function get_error() { // return error condition return array_pop($this->error); } function get_error_array() { return $this->error; } function dump_array($a) { if (strstr($this->get_type(), WEB )) { echo

   ;  print_r($a);  echo    

; } else { print_r($a); } } function dump() { if (strstr($this->get_type(), WEB ))
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Chapter 4: Architecture of an Intranet Application return $this->dbi->connected; } function get_error_message($code = null) { return $this->errHandler->get_error_message($code); } function show_debugger_banner() { global $ON; if ($this->debug_mode == $ON) { $this->debugger->print_banner(); } } function get_version() { // return version return $this->app_version; } function get_name() { // return name return $this->app_name; } function get_type() { // return type return $this->app_type; } function set_error($err = null) { // set error condition if (isset($err)) { array_push($this->error, $err); $this->has_error = TRUE; Continued
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Part II: Developing Intranet Solutions Listing 4-4 (Continued) function dump_debuginfo() { global $ON; if (defined( DEBUGGER_LOADED ) && $this->debug_mode == $ON) { $this->debugger->flush_buffer(); } } function debug($msg) { global $ON; if ($this->debug_mode == $ON) { $this->debugger->write($msg); } } function run() { // run the application $this->writeln( You need to override this method. ); } function connect($db_url = null) { if (empty($db_url)) { $db_url = $this->app_db_url; } if (defined( DBI_LOADED ) && ! empty($this->app_db_url)) { $this->dbi = new DBI($db_url); return $this->dbi->connected; } return FALSE; } function disconnect() { $this->dbi->disconnect(); $this->dbi->connected = FALSE;
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Chapter 4: Architecture of an Intranet Application array ( name => $this->app_name)); } function getErrorMessage($code) { return $this->errHandler->error_message[$code]; } function show_popup($code) { return $this->errHandler->alert($code, 0); } function getMessage($code = null, $hash = null) { $msg = $this->messages[$this->language][$code]; if (! empty($hash)) { foreach ($hash as $key => $value) { $key = /{ . $key . }/ ; $msg = preg_replace($key, $value, $msg); } } return $msg; } function alert($code = null, $flag = null) { return (defined( ERROR_HANDLER_LOADED )) ? $this->errHandler->alert($code, $flag) : false; } function buffer_debugging() { global $ON; if (defined( DEBUGGER_LOADED ) && $this->debug_mode == $ON) { $this->debugger->set_buffer(); } } Continued
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Part II: Developing Intranet Solutions Listing 4-4 (Continued) $this->server = sprintf( %s://%s%s , $protocol, $this->getEnvironment( HTTP_HOST ), $port); $this->self_url = sprintf( %s://%s%s%s , $protocol, $this->getEnvironment( HTTP_HOST ), $port, $this->getEnvironment( REQUEST_URI )); } function getServer() { return $this->server; } function terminate() { if (isset($this->dbi)) { if ($this->dbi->connected) { $this->dbi->disconnect(); } } //Asif Changed session_destroy(); exit; } function authorize($username = null) { // override this method return FALSE; } function set_error_handler() { // create error handler if (defined( ERROR_HANDLER_LOADED )) $this->errHandler = new ErrorHandler(
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