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IMEI restricted SMS verification code sending class implemented by PHP, imei verification code_PHP tutorial
12 Jul 2016
PHP implements IMEI restricted SMS verification code sending class, imei verification code. IMEI restricted SMS verification code sending class implemented by php, imei verification code IMEI restricted SMS verification code sending class implemented by php ?phpclass Api_Sms{ const EXPIRE_SEC = 1800; // Expiration time interval
Teach you how to implement verification code in php, implement verification code in php_PHP tutorial
12 Jul 2016
Teach you how to implement verification code in php, implement verification code in php. Teach you how to implement verification code in PHP, implement verification code in PHP. Verification codes are implemented more and more in forms, but verification codes written in JS always feel inconvenient, so I learned about verification implemented in PHP.
PHP verification code generation principle and implementation, PHP verification code principle_PHP tutorial
12 Jul 2016
PHP verification code generation principle and implementation, PHP verification code principle. PHP verification code generation principle and implementation, PHP verification code principle. Verification codes are implemented more and more in forms, but verification codes written in js always feel inconvenient, so I learned the verification code implemented in PHP.
PHP programming must learn verification code every day, PHP programming verification code_PHP tutorial
12 Jul 2016
PHP programming must learn verification code every day, PHP programming verification code. Verification code that you must learn every day in PHP programming, PHP programming verification code. This article shares the implementation code of PHP picture verification code for everyone, and shares it with you for your reference. The specific content is as follows 1. Verification code picture
Safe use of eval() in PHP: Prevent malicious code injection through command verification
20 Dec 2025
This article discusses how to prevent security risks caused by external malicious input when using the eval() function in PHP. In view of the limitations of directly escaping variables, the core of the article is to propose and demonstrate a method of blacklist-style detection and blocking of potentially dangerous functions (such as system command execution functions) by pre-verifying the entire command string to be executed, thereby enhancing the security of the use of eval(), and emphasizing the importance of avoiding the use of eval() or adopting a more strict whitelisting mechanism.
How to use Captcha verification code in Yii, yiicaptcha verification code_PHP tutorial
12 Jul 2016
Yii uses Captcha verification code method, yiicaptcha verification code. How to use Captcha verification code in Yii, yiicaptcha verification code This article describes how to use Captcha verification code in Yii. Share it with everyone for your reference, the details are as follows: Detailed code can be found in
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PHP dynamically randomly generates verification code class
PHP dynamically randomly generates verification code class
A PHP verification code generation code
A PHP verification code generation code
Simple and easy-to-use PHP verification code class
Simple and easy-to-use PHP verification code class