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code injection php

Hello, can someone check a few php files of my project and help me to make it more secure against injection?

For example my insert query goes like this:

$sql = "insert into table(user_email,user_password,user_firstname,user_lastname, user_streetname, housenumber, bus, postcode, city,user_streetname2, housenumber2, bus2,postcode2, city2, country, vat, company)

values (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)";

$statement = $this->conn->prepare($sql);

Taidot: MySQL, PHP, tietojärjestelmäarkkitehtuuri, SQL

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Tietoa työnantajasta:
( 135 arvostelua ) leuven, Belgium

Projektin tunnus: #18916496

Myönnetty käyttäjälle:

ShungYungHui

Hi, I have read your requirements and ready to start immediately. I am qualified enough to do this work.I can assure you accuracy and precision. I am a new freelancer so I can do a sample work to prove my efficiency. Lisää

€12 EUR 1 päivässä
(0 Arvostelua)
0.0

11 freelanceria on tarjonnut keskimäärin %project_bid_stats_avg_sub_26% %project_currencyDetails_sign_sub_27% tähän työhön

softcarve

Hi, I would like to check and fix your php files for sql injections. Available for discussion and ready to start now. Regards, Manish

€30 EUR 2 päivässä
(109 arvostelua)
6.1
palsoftsol

Dear Sir/Madam, I am certified penetration tester and security researcher. I am currently securing lot many websites and preventing them from being hacked and data breeches. I assure you to make your site 99.9999% sec Lisää

€29 EUR 1 päivässä
(16 arvostelua)
4.6
MikeJones915

Hi I read your requirements carefully. I have experience in sql. If you give me the assignment, I will satisfy u with good result. If you want to, I can show you the source code of the tasks I have already done. I Lisää

€24 EUR 1 päivässä
(13 arvostelua)
3.7
greenguru2018

Hello How re you? I've read carefully your job description. I have more than five years experience in Web Development. Your satisfaction with the project is my top priority! If you give me a chance to work with Lisää

€23 EUR 1 päivässä
(1 arvostelu)
1.1
BlackEagle86

Hi, How are you? Hope you are going well! I checked your project carefully, so that i feel very confident in your project because I am talented mobile app and react native app and web developer with 6 years experience Lisää

€23 EUR 1 päivässä
(0 arvostelua)
0.0
GreateMan

Hello. I am a PHP developer. I have rich experiences in PHP and Mysql. I can help you and I can complete your project for a short time. I think my skill is enough to complete your project. Thanks.

€29 EUR 4 päivässä
(1 arvostelu)
0.0
codershakya

I am a experienced developer with vast experience in back end specially in PHP and MySQL u will certainly get project completed with complete satisfaction in stipulated time Relevant Skills and Experience PHP,Myskill, Lisää

€23 EUR 3 päivässä
(0 arvostelua)
0.0
Anshar4675

Im a new freelance, but i can help you and finish your project.. i have skill in PHP and MySql, and it will just take some minute to do that

€14 EUR 1 päivässä
(0 arvostelua)
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endycode

Security your database query against injection is quite simple, all we have to do is to escape string from each insert query. I'll be glad to do this project for you

€29 EUR 2 päivässä
(0 arvostelua)
0.0
freedeep

Hello, I am Deep and I am well experienced in PHP and SQL amd JavaScript; I can look into your files and check for vulnerabilities . From the query that you posted, it looks like you prepared the database query. But Lisää

€14 EUR 3 päivässä
(0 arvostelua)
0.0