PHP Tutorials

Copy CodeThe code is as follows: $sub _form = Array (); $loop = 0; $ins _loop = 0; $sum = count ($form _datas); $this->logger->info (' Insert data total: '. $sum); Use things bulk import to help improve insertion efficiency $callStartTime =

Copy CodeThe code is as follows: /** * $string Clear text or ciphertext * $operation encrypt encode or decrypt decode * $key Key * $expiry Key Expiration date */ function Authcode ($string, $operation = ' DECODE ', $key = ", $expiry = 0) { Dynamic

This article mainly introduces the method of sending mail in many forms of PHP, including using the mail () function, using the form of pipeline, using Phpmailer class, etc. 1. Using the mail () function is nothing to say, is to use the system comes

This article mainly introduces a PHP cache class, the file name using MD5 encryption, please refer to the use of it The code is as follows: Dir= $dirpath; $this->make_dir ($this->dir); function Read ($key, $minutes =1) {$filename =

1. The cookie data is stored on the client's browser and the session data is placed on the server. 2, the cookie is not very safe, others can be stored in the local cookie and cookie spoofing, considering that security should use the session. 3.

1. Interface_exists, Class_exists, Method_exists and property_exists: As the name implies, you can guess a few of their functions from the names of the above functions. I think that's why I'm becoming more and more fond of this programming language

Implement subtraction calculator with PHP. The code is very simple Oh! Copy CodeThe code is as follows: Header ("Content-type:text/html;charset=utf-8"); Session_Start (); ?> Simple computer $num 1=$_post[' NUM1 ']; $num 2=$

Copy CodeThe code is as follows: /** * Send File * * @author: Legend (legendsky@hotmail.com) * @link: http://www.ugia.cn/?p=109 * @description: Send file to Client * @version: 1.0 * * @param string $fileName file name or path * @param string

today's small series because of the work needs to use the Imagick this expansion server environment is the LNMP architecture a little bit below to introduce this stuff Well, look at the introduction, and you'll know Imagick's strong. Let's

Let's take a look at PHP in the abstract class and abstract methods of the problem resolution, I hope this article will help you to the reunion. In object-oriented (OOP) languages, a class can have one or more subclasses, and each class has at least

Read MySQL Database Cases. $link =mysql_connect ("localhost", "root", "previous Administrator password");if (! $link) echo "Not connected successfully!";mysql_select_db ("Infosystem", $link); Select Database$q = "SELECT * from Info"; SQL query

We sometimes encounter situations where downloading a PDF file without processing will open the PDF file directly in the browser and then save the download file by saving it. This article will be done by PHP to download PDF files

thinkphpReturn JsonData format The Write class method returns the data Public Function index () { $setting = M (' setting ') with $this->ajaxreturn (); $map [' lang '] = Array (' In ', ' 1,0 '); $data = $setting->where

Two-dimensional arrays are often encountered in PHP development, but his sorting is not as convenient as a one-dimensional array with built-in functions, and the ordering of two-dimensional arrays requires our own function processing, here Uncletoo

$total = 1225.49.5;$total = Floor (($total *0.95) * 10)/10; $total = sprintf ('%.1f ', (float) $total); Echo $total; ?> Output results: 1225.4 Several ways that PHP retains one digit after the decimal point $total = Number_format (2/3,1); 1

This article mainly introduces the PHP send mail example, and can send the message with attachments, please refer to the use of it The emailclass.php code is as follows: Subject = $subject; $this->addr_to = $to; $this->smtp_headers =

A previously written php form e-mail sender, which uses the following method to verify that the e-mail address format is correct: Code to copy code as followsEregi ("^[_a-z0-9-]+ (. [ _a-z0-9-]+) *@[a-z0-9_-]+. [a-z0-9_-]+.* ", $email) It was later

Implode the function of turning an array into a string, use it in combination with SQL statements! Like what $a = Array (' A ', ' B ', ' C ');$b = Implode (', ', $a);Echo $b; The returned string is A,b,c Explode an array that consists of strings

There are many ways to verify your email address. On the browser side, JS mailbox verification can be detected through regular expressions. For example: source code /^ ((([a-z]|\d| [!#\$%& ' \*\+\-\/=\?\^_ ' {\|} ~]|

REMOTE_ADDR can only get the IP that is set in the visitor's local connection, such as the 10 that is set in a university campus network. X.xxx. XXX Series IP, and this function obtains the LAN gateway egress IP address, if the visitor uses the