Backend Development
PHP Tutorial
Unlimited use of Thunder Express Channel PHP universal detection function collection
Unlimited use of Thunder Express Channel PHP universal detection function collection
// [File name]: c_check.inc AI-powered app for creating realistic nude photos Online AI tool for removing clothes from photos. Undress images for free AI clothes remover Generate AI Hentai for free. Easy-to-use and free code editor Chinese version, very easy to use Powerful PHP integrated development environment Visual web development tools God-level code editing software (SublimeText3)
// [Function]: Universal detection function set
// [Author]: Tianhui
// [Last modified date]: 2001/05/ 11[cxx]
//【Variable definition rules】: 'C_'=character type,'I_'=integer type,'N_'=numeric type,'L_'=Boolean type,'A_'=array type
// --------------------------------------------------
// ※CheckMoney($C_Money) Checks whether the data is in 99999.99 format
// ※CheckEmailAddr($C_mailaddr) Determines whether it is a valid email address
// ※CheckWebAddr($C_weburl) Determines whether it is a valid URL
// ※CheckEmpty( $C_char) Determine whether the string is empty
// ※CheckLengthBetween($C_char, $I_len1, $I_len2=100) Determine whether it is a string within the specified length
// ※CheckUser($C_user) Determine whether it is a legal user name
// ※CheckPassword($C_passwd) determines whether it is a legal user password
// ※CheckTelephone($C_telephone) determines whether it is a legal phone number
// ※CheckValueBetween($N_var, $N_val1, $N_val2) determines whether it is a certain range Legal values within
// ※CheckPost($C_post) determines whether it is a legal zip code (fixed length)
// ※CheckExtendName($C_filename,$A_extend) determines the extension of the uploaded file
// ※CheckImageSize($ImageFileName,$ LimitSize) Check the size of the uploaded image
// ※AlertExit($C_alert,$I_goback=0) Illegal operation warning and exit
// ※Alert($C_alert,$I_goback=0) Illegal operation warning
// ※ReplaceSpacialChar($ C_char) Special character replacement function
// ※ExchangeMoney($N_money) Fund conversion function
// ※WindowLocation($C_url,$C_get="",$C_getOther="") window.location function in PHP
//- --------------------------------------------------
//------------------------------------------------ --
// Function name: CheckMoney($C_Money)
// Function: Check whether the data is in 99999.99 format
// Parameter: $C_Money (the number to be detected)
// Return value: Boolean value
// Remarks: None
//------------------------------------------------ -------
function CheckMoney($C_Money)
{
if (!ereg("^[0-9][.][0-9]$", $C_Money)) return false;
return true ;
}
//-------------------------------------------------- ------
//----------------------------------------- ---------
// Function name: CheckEmailAddr($C_mailaddr)
// Function: Determine whether it is a valid email address
// Parameter: $C_mailaddr (email address to be detected)
// Return value: Boolean value
// Remarks: None
//---------------------------------- ---------------
function CheckEmailAddr($C_mailaddr)
{
if (!eregi("^[_a-z0-9-]+(.[_a-z0-9- ]+)*@[a-z0-9-]+(.[a-z0-9-]+)*$",
$C_mailaddr))
//(!ereg("^[_a-zA-Z0 -9-]+(.[_a-zA-Z0-9-]+)*@[_a-zA-Z0-9-]+(.[_a-zA-Z0-9-]+)*$",
$c_mailaddr))
{
return false;
}
return true;
}
//-------------------------- --------------------------
//-------------------------- --------------------------
// Function name: CheckWebAddr($C_weburl)
// Function: Determine whether it is a valid URL
// Parameters: $C_weburl (URL to be detected)
// Return value: Boolean value
// Remarks: None
//--------------------- -----------------------------
function CheckWebAddr($C_weburl)
{
if (!ereg("^http:// [_a-zA-Z0-9-]+(.[_a-zA-Z0-9-]+)*$", $C_weburl))
{
return false;
}
return true;
}
// --------------------------------------------------
//-------------------------------------------------- ---
// Function name: CheckEmpty($C_char)
// Function: Determine whether the string is empty
// Parameter: $C_char (string to be detected)
// Return value: Boolean value
// Remarks: None
//---------------------------------------- ---------
function CheckEmptyString($C_char)
{
if (!is_string($C_char)) return false; //Whether it is a string type
if (empty($C_char)) return false; //Whether it has been set
if ($C_char=='') return false; //Whether it is empty
return true;
}
//-------------------------------------------------- ---
//-------------------------------------------------- ------
// Function name: CheckLengthBetween($C_char, $I_len1, $I_len2=100)
// Function: Determine whether it is a string within the specified length
// Parameter: $C_char (to be detected string)
// $I_len1 (lower limit of target string length)
// $I_len2 (upper limit of target string length)
// Return value: Boolean value
// Remarks: None
//-- ---------------------------------------------
function CheckLengthBetween($C_cahr, $I_len1, $I_len2=100)
{
$C_cahr = trim($C_cahr);
if (strlen($C_cahr) < $I_len1) return false;
if (strlen($C_cahr) > ; $I_len2) return false;
return true;
}
//---------------------------------- ----------------
//---------------------------------- -------------------
// Function name: CheckUser($C_user)
// Function: Determine whether it is a legal user name
// Parameter: $C_user (User name to be detected)
// Return value: Boolean value
// Remarks: None
//------------------------- --------------------------
function CheckUser($C_user)
{
if (!CheckLengthBetween($C_user, 4, 20)) return false ; //Width test
if (!ereg("^[_a-zA-Z0-9]*$", $C_user)) return false; //Special character test
return true;
}
//--- -----------------------------------------------
// --------------------------------------------------
// Function name: CheckPassword($C_passwd)
// Function: Determine whether it is a legal user password
// Parameter: $C_passwd (password to be detected)
// Return value: Boolean value
// Remarks ：None
//------------------------------------------------ -----
function CheckPassword($C_passwd)
{
if (!CheckLengthBetween($C_passwd, 4, 20)) return false; //Width detection
if (!ereg("^[_a-zA-Z0- 9]*$", $C_passwd)) return false; //Special character detection
return true;
}
//-------------------------- --------------------------
//----------------------------- ----------------------------------
// Function name: CheckTelephone($C_telephone)
// Function: Determine whether it is Legal phone number
// Parameter: $C_telephone (phone number to be detected)
// Return value: Boolean value
// Remarks: None
//------------- ------------------------------------
function CheckTelephone($C_telephone)
{
if (!ereg ("^[+]?[0-9]+([xX-][0-9]+)*$", $C_telephone)) return false;
return true;
}
//----- ---------------------------------------------
//-- ---------------------------------------------
/ / Function name: CheckValueBetween($N_var, $N_val1, $N_val2)
// Function: Determine whether it is a legal value within a certain range
// Parameter: $N_var Value to be detected
// $N_var1 To be detected The upper limit of the value
// $N_var2 The lower limit of the value to be detected
// Return value: Boolean value
// Remarks: None
//----------------- ----------------------------------
function CheckValueBetween($N_var, $N_val1, $N_val2)
{
if ($ N_var < $N_var1 ││ $N_var > $N_var2)
{
return false;
}
return true;
}
//-------------------------------- ----------------------------------
//---------------- ----------------------------------
// Function name: CheckPost($C_post)
// Function : Determine whether it is a legal postal code (fixed length)
// Parameter: $C_post (postal code to be checked)
// Return value: Boolean value
// Remarks: None
//------ ---------------------------------------------
function CheckPost($C_post)
{
$C_post=trim($C_post);
if (strlen($C_post) == 6)
{
if(!ereg("^[+]?[_0-9]*$",$C_post) )
{
return true;;
}else
{
return false;
}
}else
{
return false;;
}
}
//-------------------------------------------------- ---
//-------------------------------------------------- ------
// Function name: CheckExtendName($C_filename,$A_extend)
// Function: Determine the extension of the uploaded file
// Parameter: $C_filename Uploaded file name
// $A_extend requirement Extension
//Return value: Boolean value
//Remarks: None
//----------------------------- ---------------------
function CheckExtendName($C_filename,$A_extend)
{
if(strlen(trim($C_filename)) < 5)
{
return 0; //Returning 0 means no picture has been uploaded
}
$lastdot = strrpos($C_filename, "."); //Take out the last position
$extended = substr($C_filename, $lastdot+1) ; //Get the extension
for($i=0;$i
if (trim(strtolower($extended)) == trim(strtolower($ A_extend[$i]))) //Convert uppercase to lowercase and detect
{
$flag=1; //Add success flag
$i=count($A_extend); //Stop detection if detected
}
}
if($flag<>1)
{
for($j=0;$j
$alarm .= $ A_extend[$j]." ";
}
AlertExit('Only '.$alarm.' files can be uploaded!And what you uploaded is a file of type '.$extended.');
return -1; //Returning -1 means that the type of the uploaded picture does not match
}
return 1; //Returning 1 means that the type of the picture meets the requirements
}
//------------------------------------------------ ----
//--------------------------------------------- -------
// Function name: CheckImageSize($ImageFileName,$LimitSize)
// Function: Check the size of the uploaded image
// Parameter: $ImageFileName Uploaded image name
// $LimitSize requirement Size
// Return value: Boolean value
// Remarks: None
//----------------------------- --------------------
function CheckImageSize($ImageFileName,$LimitSize)
{
$size=GetImageSize($ImageFileName);
if ($size[0] >$LimitSize[0] || $size[1]>$LimitSize[1])
{
AlertExit('Picture size is too large');
return false;
}
return true;
}
// --------------------------------------------------
//-------------------------------------------------- ---
// Function name: Alert($C_alert,$I_goback=0)
// Function: Illegal operation warning
// Parameters: $C_alert (error message prompted)
// $I_goback (return to That page)
//Return value: String
//Remarks: None
//---------------------------- -----------------------
function Alert($C_alert,$I_goback=0)
{
if($I_goback<>0)
{
echo "<script>alert('$C_alert');history.go($I_goback);</script>";
}
else
{
echo "
Hot AI Tools
Undresser.AI Undress
AI Clothes Remover
Undress AI Tool
Clothoff.io
AI Hentai Generator
Hot Article
Hot Tools
Notepad++7.3.1
SublimeText3 Chinese version
Zend Studio 13.0.1
Dreamweaver CS6
SublimeText3 Mac version
Hot Topics
11 Best PHP URL Shortener Scripts (Free and Premium)
Mar 03, 2025 am 10:49 AM
Long URLs, often cluttered with keywords and tracking parameters, can deter visitors. A URL shortening script offers a solution, creating concise links ideal for social media and other platforms. These scripts are valuable for individual websites a
Introduction to the Instagram API
Mar 02, 2025 am 09:32 AM
Following its high-profile acquisition by Facebook in 2012, Instagram adopted two sets of APIs for third-party use. These are the Instagram Graph API and the Instagram Basic Display API.As a developer building an app that requires information from a
Working with Flash Session Data in Laravel
Mar 12, 2025 pm 05:08 PM
Laravel simplifies handling temporary session data using its intuitive flash methods. This is perfect for displaying brief messages, alerts, or notifications within your application. Data persists only for the subsequent request by default: $request-
Build a React App With a Laravel Back End: Part 2, React
Mar 04, 2025 am 09:33 AM
This is the second and final part of the series on building a React application with a Laravel back-end. In the first part of the series, we created a RESTful API using Laravel for a basic product-listing application. In this tutorial, we will be dev
Simplified HTTP Response Mocking in Laravel Tests
Mar 12, 2025 pm 05:09 PM
Laravel provides concise HTTP response simulation syntax, simplifying HTTP interaction testing. This approach significantly reduces code redundancy while making your test simulation more intuitive. The basic implementation provides a variety of response type shortcuts: use Illuminate\Support\Facades\Http; Http::fake([ 'google.com' => 'Hello World', 'github.com' => ['foo' => 'bar'], 'forge.laravel.com' =>
cURL in PHP: How to Use the PHP cURL Extension in REST APIs
Mar 14, 2025 am 11:42 AM
The PHP Client URL (cURL) extension is a powerful tool for developers, enabling seamless interaction with remote servers and REST APIs. By leveraging libcurl, a well-respected multi-protocol file transfer library, PHP cURL facilitates efficient execution of various network protocols, including HTTP, HTTPS, and FTP. This extension offers granular control over HTTP requests, supports multiple concurrent operations, and provides built-in security features.
12 Best PHP Chat Scripts on CodeCanyon
Mar 13, 2025 pm 12:08 PM
Do you want to provide real-time, instant solutions to your customers' most pressing problems? Live chat lets you have real-time conversations with customers and resolve their problems instantly. It allows you to provide faster service to your custom
Announcement of 2025 PHP Situation Survey
Mar 03, 2025 pm 04:20 PM
The 2025 PHP Landscape Survey investigates current PHP development trends. It explores framework usage, deployment methods, and challenges, aiming to provide insights for developers and businesses. The survey anticipates growth in modern PHP versio
