Linked Questions

2769 votes
27 answers
2.2m views

How can I prevent SQL injection in PHP?

If user input is inserted without modification into an SQL query, then the application becomes vulnerable to SQL injection, like in the following example: $unsafe_variable = $_POST['user_input']; ...
23 votes
2 answers
2k views

Storing values with single quote in MySQL [duplicate]

I started learning PHP coding earlier October, the issue which is causing my trouble is that my users need to store text in the database (and the text would probably contain single and double quotes). ...
Areeb's user avatar
  • 554
5 votes
2 answers
592 views

How can I escape single quotes in this scenario? [duplicate]

I have a page which makes a jquery call to an api to receive multiple wikipedia urls. I then extract the article names from the url (i.e. get science from http://en.wikipedia.org/science etc), add ...
Phil's user avatar
  • 1,847
0 votes
3 answers
412 views

Can't Save MySQL Query [duplicate]

I'm having an issue with my MySQL query/php, I try to update a row in my database that will work usually, but when the string has a ' in it, for example I don't like green eggs and ham. The ' in it ...
Melternet's user avatar
-1 votes
2 answers
75 views

run mysql query without reloading webpage [duplicate]

I am generating a table via if loop, and if data is not found an is displayed so I can type the data needed. Then I needed that when I click outside of the textbox the data is saved in the database. ...
Bertu's user avatar
  • 43
0 votes
0 answers
16 views

Inputting an apostrophe in my search box throws up an error [duplicate]

website running php 5.2. Inputting text in my search box containing an apostrophe throws up this message : You have an error in your SQL syntax; check the manual that corresponds to your MariaDB ...
Jeff's user avatar
  • 1
71 votes
4 answers
66k views

Examples of SQL Injections through addslashes()?

In PHP, I know that mysql_real_escape is much safer than using addslashes. However, I could not find an example of a situation where addslashes would let an SQL Injection happen. Can anyone give some ...
Nathan H's user avatar
  • 49.6k
24 votes
11 answers
130k views

Warning: mysqli_real_escape_string() expects exactly 2 parameters, 1 given... what I do wrong? [duplicate]

I try make php login but I get this error: Warning: mysqli_real_escape_string() expects exactly 2 parameters, 1 given, what I do wrong? register.php <!doctype html> <html lang"fi"&...
SuperTroll's user avatar
1 vote
4 answers
3k views

codeigniter : searching string with quotes( ' or " ) showing error

i am try to implement a search that but it shows error when I use Single Quotes like (manu's ,ramu's) When I change my term part like %".$term."% and use back quotes it shows same error. Query : ...
Shambu's user avatar
  • 83
4 votes
4 answers
485 views

Blank page after attempt to insert

Whenever I try to insert data into my database 'users' I always get a blank page. It doesn't give me any errors, it doesn't include 'mainmenu.php', or return any feedback what so ever. Can someone ...
Ken's user avatar
  • 67
3 votes
1 answer
2k views

PHP & MySQL INSERT INTO problem

Any ideas why the following code is not adding anything into the database once the user fills out the form? I'd really appreciate it. Thank you! if($_SESSION['loginSuccess']==1) { // ==...
joshim5's user avatar
  • 2,265
-2 votes
2 answers
867 views

Inserting a chat message into a database [duplicate]

So I use the following line of code to insert a chat message into my MySQL database: $this->db->query("INSERT INTO group_messages (group_message_text,group_message_group_id,...
Rutger Huijsmans's user avatar
1 vote
1 answer
765 views

Phpmyadmin MySQL Syntax [closed]

If a value like this value : 's-Gravenhage will submit into my database Then the form is not submitted and i see a error: Error: You have an error in your SQL syntax; check the manual that ...
DesignStudios's user avatar
0 votes
2 answers
407 views

value with $ symbol in sql query where clause when execute in php [duplicate]

I am adding value that start with $ symbol in sql where clause. I execute the query in php. worked - when wrap $n in double quote and whole query in single quote $query= 'SELECT * FROM a ...
Premlatha's user avatar
  • 2,004
0 votes
2 answers
66 views

Troubles using mysql insert from php

So I'm using a little script on php for a webpage adminisitration, and I get to do an item registration, so I get all my params and send them to the script to build an INSERT for the database (mysql). ...
ytturi's user avatar
  • 1

15 30 50 per page