Search results for: "PHP filter functions"

Are there any built-in PHP functions or libraries that can help filter and sanitize HTML content before storing it in a database?

When storing HTML content in a database, it is important to filter and sanitize the input to prevent potential security vulnerabilities such as Cross-...

How can one effectively integrate array_column() and array_filter() functions in a PHP script to filter out empty columns from a result set?

To filter out empty columns from a result set in PHP, you can use the array_column() function to extract the values of a specific key from a multidime...

How can PHP be used to validate and filter URLs posted by users to ensure they meet specific criteria?

To validate and filter URLs posted by users in PHP, you can use built-in functions like filter_var() with the FILTER_VALIDATE_URL filter to check if t...

What potential issues can arise when registering a pre-filter in Smarty?

Potential issues that can arise when registering a pre-filter in Smarty include conflicts with existing filters, incorrect usage of the pre-filter fun...

What are the potential pitfalls of using regular expressions to filter uploaded files in PHP?

Using regular expressions to filter uploaded files in PHP can be risky because it may not provide sufficient security against malicious file uploads....