Needless to say the purpose of the verification code. After encapsulating it into a class, a constructor is added, which makes it easier to use. You can also continue to improve this verification code class, such as adding a destructor, how to save memory, etc.

Customized php verification code class Create verification code image: Create canvas (__construct function) Set canvas background ($this->set_bgcolor();) Get a random string ($this->get_randnum ();) Write text to the picture (imagestring function) Add interference points/lines ($this->set_ext_line(); $this->set_ext_pixel();) Output picture When instantiated without parameters, the default is a four-digit regular verification code image of 60*25 size Method to detect verification code on form page, compare whether $_SESSION[an] is equal to $_POST[Verification code text box ID]

Share a beautiful php verification code class. Instructions: 1. First save the verification code class as a file named ValidateCode.class.php; 2. Create a new file named captcha.php to call this class;

PHP shopping cart class implemented in session mode: $cartname is the identifier of the shopping cart, which can be specified to ensure that there is no duplicate name and no related conflicts $session_id is the session_id. The default is to use cookies for transmission. It can also be customized. It will only take effect if the storage type is session $savetype storage type, including session and cookie methods ... Others are parameters required by cookie When the program itself uses session, it is recommended to change this php shopping cart class to cookie method.

A PHP shopping cart class that initially implements functions for reference by PHP learners.

A php session shopping cart class for PHP beginners to learn and reference.

It describes how PHP implements a shopping cart class that imitates CodeIgniter. Share it with everyone for your reference. details as follows: Basic functions of shopping cart: 1) Add items to shopping cart 2) Delete items from shopping cart 3) Update shopping cart item information [1/-1] 4) Statistics of shopping cart items 1. Total project 2. Total quantity 3. Total amount 5) Statistics on the quantity and amount of individual shopping items 6) Clear shopping cart

A package class that uses phpmail to send emails. The default sending email address is 163. If you use other email addresses, please check the SMTP server configuration by yourself.

PHPMailer is a PHP function package for sending emails. The functions it provides include: specifying multiple recipients, CC addresses, BCC addresses and reply addresses when sending emails. Supports multiple email encodings including: 8bit, base64, binary and quoted-printable. Supports SMTP verification. Supports Redundant SMTP server. Supports emails with attachments and emails in Html format. Customizable email headers. Supports embedding images in emails. Flexible debugging. Tested and compatible SMTP servers include: Sendmail, qmail, Postfix, Imail, Exchange, etc. Can run on any platform.

The class for sending emails through SMTP in php, The user mailbox of the SMTP server can be set to indicate whether to use authentication.

Full-featured php email class, can not only send emails in html format, but also send attachments, Function setTo($inAddress): used to process emails The address parameter $inAddress contains one or more strings, email address variables, use commas to separate multiple email addresses The default return value is true. ##

php smtp sends email Scoket class code, SMTP server provider, which can be a domain name or IP address, SMTP requires authentication, set the value to 1 , the authentication value is 0. Now most SMTP service providers require verification. If you are not sure, please contact your SMTP service provider.