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Security Measures in PHP -- 2

This project was awarded to shahmaulik2017 for ₹1050 INR.

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Project Budget
₹600 INR
Total Bids
6
Project Description

Hi,

I am a newbie to PHP.

I need some PHP expert developer to tell me various measures that should be taken while developing a PHP application.

I mostly use textboxes and query string (GET) to create my projects. I have explored google and found some functions like:

implode, explode, dw_encrypt, strip slashes, mysql_set_charset, mysql_real_escape_string and few others like parameterized query. I have also found PDO strategies, but I dont want to go for PDO.

I need someone to tell me the best flow of security measures that would result in fully secure data management.

This includes various functions used for encrypting and decrypting information, avoiding sql injection, avoiding XSS, etc and in what sequesnce the strategies/functions should be implemented. Just give me a little example of one form with one or two textboxes and a query string. Also, i want to upload photo so the directory which needs access permissions should be secure too.

How this can be done.

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