Is using is_string() a good defense against SQL Injection?
107307
Can I protect against SQL injection by escaping single-quote and surrounding user input with single-quotes?
101638
How do I make sure that values from MySQL keep their type in PHP?
157148
What are the valid characters in PHP variable, method, class, etc names?
149041
Why is PDO better for escaping MySQL queries/querystrings than mysql_real_escape_string?
62267
MySQL stored procedure vs function, which would I use when?
115240
How do I test an application for SQL injections?
30272
Rejection of text containing SQL statements
14663
Preventing code injection without limiting user input?
149657
Alternative to mysql_real_escape_string without connecting to DB
30554
is_int and GET or POST
74192
Is storing a delimited list in a database column really that bad?
74188
How can I avoid SQL injection attacks in my ASP.NET application?
124286
Java - escape string to prevent SQL injection
20684
Test if string is a guid without throwing exceptions?
104699
SQL command based on PHP strstr or LIKE
71340
How can prepared statements protect from SQL injection attacks?
95958
return mysql boolean as 'yes' or 'no'