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Simplest way to profile a PHP scriptmysql_fetch_object很慢約需30秒鐘，只有20行
我們正在建設使用MVC方式在線申請（但有點tweeked） 。 應用程序的結構如下所示。
class Page{
private $title;
private $css;
private $type;
private $formData;
private $obj;
public function __construct($type){
//this instance variable is designed to set form data which will appear on the pages
$this->formData = array();
$this->setup($type);
}
public function setTitle($var){
$this->title = 'Page : ';
$this->title .= $var;
}
public function getFormData() {
return $this->formData;
}
private function setFormData($tmpObjs) {
$finData = array();
foreach($tmpObjs as $value){
if($value == $this->obj && isset($_GET['new']))
$newValue = 'true';
else
$newValue = 'false';
$tmpData = array();
$tmpData = $value->getData($newValue);
$finData = array_merge($finData, $tmpData);
}
return $finData;
}
public function getTitle(){
return $this->title;
}
public function displayCSS($_SESSION){
$GlobalConfig = $_SESSION['Config'];
$CSS = array();
$CSS = $GlobalConfig->getCSS();
$SIZE = count($CSS);
foreach($CSS as $key => $value){
echo "<link href=\"".$CSS[$key]."\" type=\"text/css\" rel=\"stylesheet\" />\n";
}
}
public function displayJS($_SESSION){
$GlobalConfig = $_SESSION['Config'];
$JS = array();
$JS = $GlobalConfig->getJS();
$SIZE = count($JS);
foreach($JS as $key => $value){
echo "<script src=\"".$JS[$key]."\" type=\"text/javascript\"></script>\n";
}
}
function setPageType($type)
{
$this->type = $type;
}
// This is used when you are filtering whatever type for search function
function getPageType(){
$type = $this->type;
echo $type;
}
function setup($type){
$this->type = $type;
switch($this->type){
case "AccountExpiry":
break;
case "Home":
$CalendarExpiryItemList = new CalendarExpiryItemList();
$CalendarExpiryItemList->createList();
$_SESSION['Active_Form'] = 'homepage-record';
$this->obj = $CalendarExpiryItemList;
$objs = array($CalendarExpiryItemList);
$this->formData = $this->setFormData($objs);
$this->setTitle('Home');
break;
}
}
function generateJS(){
if(file_exists('../classes/Javascript.class.php'))
include_once '../classes/Javascript.class.php';
$JSType = str_replace(" " , "", ucwords(str_replace("-", " ", substr(end(explode("/", $_GET['page'])), 0, -4))));
$JSType = $_GET['page'];
if(substr($JSType, -1) == 's')
$JSType = substr ($JSType, 0, -1);
echo $JSType;
$new_obj_name = $JSType . "JS";
$jsObj = new $new_obj_name($this->type);
}
function getObject(){
return $this->obj;
}
//There is more code, file has been omitted for forum
}
以下是CalendarExpiryItemList類
class CalendarExpiryItemList
{
private $List = array();
public function __construct()
{
//Nothing To Do Yet
}
public function createList($Type = "Followups")
{
switch($Type)
{
case "ALL":
$this->List = array();
$this->getAllItemsInArray();
return $this->List;
break;
case "Invoice":
$this->List = array();
$this->getInvoiceCalendarItems();
return $this->List;
break;
case "Followups":
$this->List = array();
$this->getFollowUpExpiryItems();
return $this->List;
break;
}
}
public function _compare($m, $n)
{
if (strtotime($m->getExpiryDate()) == strtotime($n->getExpiryDate()))
{
return 0;
}
$value = (strtotime($m->getExpiryDate()) < strtotime($n->getExpiryDate())) ? -1 : 1;
echo "This is the comparison value" . $value. "<br/>";
return $value;
}
public function display()
{
foreach($this->List as $CalendarItem)
{
echo "<tr>";
if($CalendarItem->getType() != "ContractorInsurance")
echo "<td>".DateFormat::toAus($CalendarItem->getExpiryDate())."</td>";
else
echo "<td>".$CalendarItem->getExpiryDate()."</td>";
echo "<td>".$CalendarItem->getType()."</td>";
echo "<td>".$CalendarItem->getDescription()."</td>";
echo "<td>".$CalendarItem->doAction()."</td>";
echo "</tr>";
}
}
public function getData()
{
$data = array();
$data['Rows'] = "";
$TempArray1 = array();
foreach($this->List as $CalendarItem)
{
$Temp = "";
$Temp .= "<tr>";
if($CalendarItem->getType() != "ContractorInsurance")
$Temp .= "<td>".DateFormat::toAus($CalendarItem->getExpiryDate())."</td>";
else
$Temp .= "<td>".$CalendarItem->getExpiryDate()."</td>";
$Temp .= "<td>".$CalendarItem->getType()."</td>";
$Temp .= "<td>".$CalendarItem->getDescription()."</td>";
$Temp .= "<td>".$CalendarItem->doAction()."</td>";
$Temp .= "</tr>";
$TempArray1[] = $Temp;
}
if(count($TempArray1) == 0)
{
$Row = "<tr><td colspan='4'>No Items overdue</td></tr>";
$TempArray1[] = $Row;
}
$data['Rows'] = $TempArray1;
return $data;
}
//---------------Private Functions----------------
private function SortArrayDate()
{
$TempArray = array();
$TempArray = $this->List;
$this->List = array();
foreach($TempArray as $CalendarItem)
{
$this->List[$CalendarItem->getExpiryDate()] = $CalendarItem;
}
ksort($this->List);
}
private function getAllItemsInArray()
{
$this->getInvoiceCalendarItems();
$this->getFollowUpExpiryItems();
$this->getProjectExpiryItems();
$this->getVehicleExpiryItems();
$this->getUserInsuranceExpiryItems();
$this->getContractorExpiryItems();
//$this->SortArrayDate();
}
private function getContractorExpiryItems()
{
$SQL = "SELECT * FROM `contractor_Details` WHERE `owner_id` =".$_SESSION['user_id'];
$RESULT = mysql_query($SQL);
while($row = mysql_fetch_object($RESULT))
{
$InsLic = new ContractorInsLis();
$InsLic->getContractorInsLisById($row->contractor_id);
if($InsLic->CheckExpiry($InsLic->getwcic_expiry_date()) == 'Expired')
{
$ContractorExpiryItem = new ContractorInsuranceExpiryItem($row->contractor_id,$InsLic->getwcic_expiry_date(),"Contractor ".$row->first_name." ".$row->last_name."'s Workers Comp License expired on ".$InsLic->getwcic_expiry_date());
$this->List[] = $ContractorExpiryItem;
}
if($InsLic->CheckExpiry($InsLic->getpli_expiry_date()) == 'Expired')
{
$ContractorExpiryItem = new ContractorInsuranceExpiryItem($row->contractor_id,$InsLic->getpli_expiry_date(),"Contractor ".$row->first_name." ".$row->last_name."'s Public Liability Insurance expired on ".$InsLic->getpli_expiry_date());
$this->List[] = $ContractorExpiryItem;
}
if($InsLic->CheckExpiry($InsLic->getcontractor_expiry_date()) == 'Expired')
{
$ContractorExpiryItem = new ContractorInsuranceExpiryItem($row->contractor_id,$InsLic->getcontractor_expiry_date(),"Contractor ".$row->first_name." ".$row->last_name."'s Contractor License expired on ".$InsLic->getcontractor_expiry_date());
$this->List[] = $ContractorExpiryItem;
}
if($InsLic->CheckExpiry($InsLic->getwcic_expiry_date()) == 'Expired')
{
$ContractorExpiryItem = new ContractorInsuranceExpiryItem($row->contractor_id,$InsLic->getcompany_expiry_date(),"Contractor ".$row->first_name." ".$row->last_name."'s Company License expired on ".$InsLic->getcompany_expiry_date());
$this->List[] = $ContractorExpiryItem;
}
}
}
private function getUserInsuranceExpiryItems()
{
$SQL = "SELECT * FROM `user_my_insurances_licences` WHERE `user_id`=".$_SESSION['user_id'];
$RESULT = mysql_query($SQL);
while($row = mysql_fetch_object($RESULT))
{
$UserInsuranceLicenses = new UserMyLicenseInsurance();
if($UserInsuranceLicenses->CheckExpiry($row->DL_expiry_date) == 'Expired')
{
$ExpiredItem = new UserInsuranceExpiryItem($_SESSION['user_id'],$row->DL_expiry_date,"DL #".$row->DL_number." has expired on ".$row->DL_expiry_date);
$this->List[] = $ExpiredItem;
}
if($UserInsuranceLicenses->CheckExpiry($row->CL_expiry_date) == 'Expired')
{
$ExpiredItem = new UserInsuranceExpiryItem($_SESSION['user_id'],$row->CL_expiry_date,"CL #".$row->CL_number." has expired on ".$row->CL_expiry_date);
$this->List[] = $ExpiredItem;
}
if($UserInsuranceLicenses->CheckExpiry($row->BL_expiry_date) == 'Expired')
{
$ExpiredItem = new UserInsuranceExpiryItem($_SESSION['user_id'],$row->BL_expiry_date,"BL #".$row->BL_number." has expired on ".$row->DL_expiry_date);
$this->List[] = $ExpiredItem;
}
if($UserInsuranceLicenses->CheckExpiry($row->wcic_expiry_date) == 'Expired')
{
$ExpiredItem = new UserInsuranceExpiryItem($_SESSION['user_id'],$row->wcic_expiry_date,"Workers Compe #".$row->wcic_policy_number." has expired on ".$row->wcic_expiry_date);
$this->List[] = $ExpiredItem;
}
if($UserInsuranceLicenses->CheckExpiry($row->pli_expiry_date) == 'Expired')
{
$ExpiredItem = new UserInsuranceExpiryItem($_SESSION['user_id'],$row->pli_expiry_date,"Public Liability #".$row->pli_policy_number." has expired on ".$row->pli_expiry_date);
$this->List[] = $ExpiredItem;
}
if($UserInsuranceLicenses->CheckExpiry($row->cwi_expiry_date) == 'Expired')
{
$ExpiredItem = new UserInsuranceExpiryItem($_SESSION['user_id'],$row->cwi_expiry_date,"Contract Worker Insurance #".$row->cwi_policy_number." has expired on ".$row->cwi_expiry_date);
$this->List[] = $ExpiredItem;
}
if($UserInsuranceLicenses->CheckExpiry($row->hoi_expiry_date) == 'Expired')
{
$ExpiredItem = new UserInsuranceExpiryItem($_SESSION['user_id'],$row->hoi_expiry_date,"Home Owners Insurance #".$row->hoi_policy_number." has expired on ".$row->hoi_expiry_date);
$this->List[] = $ExpiredItem;
}
if($UserInsuranceLicenses->CheckExpiry($row->pii_expiry_date) == 'Expired')
{
$ExpiredItem = new UserInsuranceExpiryItem($_SESSION['user_id'],$row->pii_expiry_date,"Professional Indemnity Owners Insurance #".$row->pii_policy_number." has expired on ".$row->pii_expiry_date);
$this->List[] = $ExpiredItem;
}
if($UserInsuranceLicenses->CheckExpiry($row->tic_expiry_date) == 'Expired')
{
$ExpiredItem = new UserInsuranceExpiryItem($_SESSION['user_id'],$row->tic_expiry_date,"Tools Insurance #".$row->tic_policy_number." has expired on ".$row->tic_expiry_date);
$this->List[] = $ExpiredItem;
}
}
}
private function getVehicleExpiryItems()
{
$SQL = "SELECT * FROM `user_my_motor_vehicles` WHERE `user_id` =".$_SESSION['user_id'];
$RESULT = mysql_query($SQL);
while($row = mysql_fetch_object($RESULT))
{
$UserMotorVehicles = new UserMotorVehicles();
if($UserMotorVehicles->CheckExpiry($row->vehicle_registration_expiry_date) == 'Expired')
{
$VehicleRegistration = new VehicleExpiryItem($row->id,$row->vehicle_registration_expiry_date,"Vehicle ".$row->vehicle_reg_no." Registration Expired on ".$row->vehicle_registration_expiry_date);
$this->List[] = $VehicleRegistration;
}
if($UserMotorVehicles->CheckExpiry($row->insurance_expiry_date) == 'Expired')
{
$VehicleInsurance = new VehicleExpiryItem($row->id,$row->insurance_expiry_date,"Vehicle ".$row->vehicle_reg_no." Insurace Expired on ".$row->insurance_expiry_date);
$this->List[] = $VehicleInsurance;
}
}
}
private function getProjectExpiryItems()
{
$SQL = "SELECT * FROM my_project WHERE user_id =".$_SESSION['user_id']." AND ((end_date < '".date('Y-m-d')."') OR (end_date = '".date('Y-m-d')."') OR end_date='0000-00-00') AND (actual_end_date = '' OR actual_end_date = ' ' OR actual_end_date = '0000-00-00')";
$RESULT = mysql_query($SQL);
while($row = mysql_fetch_object($RESULT))
{
$Project = new ProjectExpiryItem($row->project_id,$row->end_date,"Project ".$row->project_name." was due on ".$row->end_date,$row->start_date);
$this->List[] = $Project;
}
}
private function getInvoiceCalendarItems()
{
$SQL = "SELECT * FROM project_invoices WHERE (dueDate < '".date('Y-m-d')."') AND (date_paid ='0000-00-00' OR date_paid='') AND (user_id = ".$_SESSION['user_id'].") LIMIT 0, 10";
$RESULT = mysql_query($SQL);
while($row = mysql_fetch_object($RESULT))
{
$Invoice = new InvoiceExpiryItem($row->id,$row->invoice_date,"Invoice #".$row->id." is overdue.");
//testObj(array($Invoice));
$this->List[] = $Invoice;
}
}
private function getFollowUpExpiryItems()
{
$SQL = "SELECT * from followUps WHERE owner_id=".$_SESSION['user_id']." AND ((Date_Due < '".date('Y-m-d')."') OR (Date_Due = '".date('Y-m-d')."') OR (Date_Due = '0000-00-00')) AND Completed != '1'";
$RESULT = mysql_query($SQL);
while($row = mysql_fetch_object($RESULT))
{
$Form_Id = new FormId();
$Description = "Follow Up on ".$Form_Id->getFormNam($row->Form_id)." was due on ".$row->Date_Due;
$FollowUp = new FollowUpExpiryItem($row->Id,$row->Date_Due,$Description);
$this->List[] = $FollowUp;
}
}
這是分頁類
<?php
class Pagination {
protected $Items = array();
protected $Type = "default";
protected $Title = "List of ";
protected $Base_Url = "";
protected $Table;
//-------------------------Table Settings----------------//
protected $No_Of_Columns = NULL;
protected $No_Of_Items_Per_Page = 10; //By Default 10 items will be displayed on a page.protected
protected $Present_Page = 0;
protected $Columns = array();
protected $Rows = array();
//------------------------Table Class Attributes---------//
protected $Table_Class = "";
protected $Table_Id = "";
protected $GETVarName = "PP";
/**
*
*/
public function __construct()
{
$this->Table = false;
}
public function paginate()
{
//Check if the base url is set
if(strlen($this->Base_Url) == 0){
echo "Error: Could not paginate, No base url Found!";
}
//Set the Current page value to Present Page
if(isset($_GET))
{
if(isset($_GET[$this->GETVarName])){
$this->Present_Page = intval($_GET[$this->GETVarName]);
} else {
$this->Present_Page = 1;
}
}
//Draw the table and the values
$this->generatePaginationTable();
}
public function setData($data)
{
if(is_array($data)){
$this->Rows = $data;
return true;
} else {
return false;
}
}
public function putData($object,$functionName = "generateRow")
{
$TempData = array();
if(method_exists($object,"getObjs"))
{
$ObjectArray = $object->getObjs();
}
if(method_exists($object,$functionName))
{
foreach($ObjectArray as $Obj)
{
$TempData[] = $object->$functionName($Obj);
}
}
$this->setData($TempData);
unset($TempData);
}
public function setIsTable($val)
{
$this->IsTable = $val;
}
public function addColumnNames($Col){
if(is_array($Col)){
$this->No_Of_Columns = $Col;
} else {
return false;
}
}
/**
* @param $config (array)
* @return bool
*
* this function initializes the Pagination object with the
* initial values
*/
public function initialize($config)
{
if(is_array($config))
{
foreach($config as $key => $value)
{
if(isset($this->$key))
{
$this->$key = $value;
}
}
} else if(is_object($config)) {
return false;
} else if(is_string($config)){
return false;
}
}
//------------------------------Private Function For the Class-------------------------//
private function generatePaginationTable()
{
if($this->Table){
$this->StartTable();
$this->DisplayHeader();
}
$this->DisplayData();
$this->DisplayLinks();
if($this->Table)
echo "</table>";
}
private function DisplayLinks()
{
if($this->Table){
echo "<tr>";
echo '<td colspan="'. count($this->Rows) .'">';
$this->GenerateLinkCounting();
echo '</td>';
echo "</tr>";
} else {
if(count($this->Rows) > 0)
{
$ROW = $this->Rows[0];
$ColSpan = substr_count($ROW,"<td");
echo "<tr>";
echo '<td colspan="'. $ColSpan .'" align="right">';
$this->GenerateLinkCounting();
echo '</td>';
echo "</tr>";
}
}
}
private function GenerateLinkCounting()
{
$this->Base_Url .= $this->getOtherGetVar();
$StartCount = 1;
$EndCount = count($this->Rows)/$this->No_Of_Items_Per_Page;
for($i=0; $i < $EndCount; $i++)
{
if($i == 0)
{
echo ' <a href="'. $this->Base_Url.'&'.$this->GETVarName .'='.intval($i+1). '" >First</a> ';
} else if($i == intval($EndCount)){
echo ' <a href="'. $this->Base_Url.'&'.$this->GETVarName .'='.intval($i+1).'" >Last</a> ';
} else {
echo ' <a href="'. $this->Base_Url.'&'.$this->GETVarName .'='.intval($i+1). '" >'.intval($i+1).'</a> ';
}
}
}
private function getOtherGetVar()
{
$Link = "";
if(isset($_GET))
{
foreach($_GET as $key => $val)
{
if($key != $this->GETVarName)
{
$Link .= "&".$key."=".$val;
}
}
}
$h = preg_split("/&/",$this->Base_Url);
$this->Base_Url = $h[0];
return $Link;
}
private function DisplayData()
{
$Index = 0;
$StartIndex = intval(intval($this->Present_Page-1) * $this->No_Of_Items_Per_Page);
$EndIndex = intval($StartIndex + $this->No_Of_Items_Per_Page);
foreach($this->Rows as $Row)
{
$Index++;
if($Index >= $StartIndex && $Index <= $EndIndex)
{
echo "<tr>";
if(is_array($Row))
{
foreach($Row as $key => $value){
echo "<td>".$value."</td>";
}
} else {
echo $Row;
}
echo "</tr>";
}
}
}
private function DisplayHeader()
{
if(is_array($this->Columns))
{
echo "<thead>";
echo "<tr>";
foreach($this->Columns as $Col => $value)
{
echo "<td>".$value."</td>";
}
echo "</tr>";
echo "</thead>";
}
}
private function StartTable()
{
echo "<table ";
if(strlen($this->Table_Class) > 0)
echo 'class="'.$this->Table_Class.'" ';
if(strlen($this->Table_Id) > 0)
echo 'id="'.$this->Table_Id.'" ';
echo ">";
}
}
文件的最終實施
<?php
$Page = new Page('Home');
$data = $Page->getFormData();
$Pagination = new Pagination();
$config = array();
$config['Table'] = false;
$config['No_Of_Items_Per_Page'] = 25;
$config['Base_Url'] = base_url() . 'BootLoader.php?page=Homepage';
$config['GETVarName'] = "ODL";
$Pagination->initialize($config);
$Pagination->setData($data['Rows']);
/**
* Want to have multiple lists
*/
$CalendarExpiryList = $Page->getObject();
$CalendarExpiryList->createList("Invoice");
$InvoiceList = new Pagination();
$config = array();
$config['Table'] = false;
$config['No_Of_Items_Per_Page'] = 25;
$config['Base_Url'] = base_url() . 'BootLoader.php?page=Homepage';
$config['GETVarName'] = "OIDL";
$InvoiceList->initialize($config);
$data2 = $CalendarExpiryList->getData();
$InvoiceList->setData($data2['Rows']);
//This is the display
include_once("Forms/homepage/home-page.html.php");
?>
php腳本運行鰭即大約需要0.03加載。 但是當腳本到達CalendarExpiryItemList類時。大約需要30秒，服務器超時。
每個表會對平均約12至15場和10〜100條記錄經歷。
我在託管託管公司，他們有負載平衡器。所以，如果我的腳本時間超過30秒，負載平衡器重置我的連接，並返回一個錯誤「服務器沒有發送數據」
這是一個很大的你可能最好通過分析找到確切的瓶頸：[簡單的配置PHP腳本的方法]（http://stackoverflow.com/questions/21133/simplest-way-to-profile-a-php-script ） – 2012-02-15 00:54:37
或者：[什麼是最好的方式來分析PHP代碼]（http://stackoverflow.com/q/133686） – 2012-02-15 00:54:51
發佈數百行代碼，然後問爲什麼它不工作的東西永遠不會讓你任何答案，你需要問簡短的問題。 – iWantSimpleLife 2012-02-15 00:59:36