Search results for: "identifiers"

How can SQL queries be properly formatted in PHP to avoid errors like "Unknown column 'Webservice' in 'where clause'"?

When using SQL queries in PHP, it is important to properly format the query string to avoid errors like "Unknown column 'Webservice' in 'where clause'...

What are some best practices for structuring URLs in PHP applications to ensure they are semantically logical and unique?

When structuring URLs in PHP applications, it is important to ensure they are both semantically logical and unique. One best practice is to use a clea...

How can variables be properly passed in URLs to avoid issues like attempting to log in with the wrong user ID?

When passing variables in URLs, it is important to ensure that sensitive information such as user IDs are not exposed or manipulated. To avoid issues...

In PHP, what considerations should be made when allowing users to add new entries to a table without deleting existing data?

When allowing users to add new entries to a table without deleting existing data in PHP, it is important to ensure that the new entries do not overwri...

What are some common pitfalls to avoid when uploading files in PHP, especially in terms of file naming conventions and handling duplicate uploads?

One common pitfall when uploading files in PHP is not properly sanitizing file names, which can lead to security vulnerabilities such as directory tra...