Search results for: "safe"

What are the security implications of uploading and displaying user-generated images in PHP applications?

When uploading and displaying user-generated images in PHP applications, there are several security implications to consider. One major concern is the...

Are there any security considerations to keep in mind when including external files in PHP scripts for email content?

When including external files in PHP scripts for email content, it is important to ensure that the included files are secure and do not contain any ma...

In what scenarios would it be more appropriate to use strcmp() for string comparison in PHP?

When comparing strings in PHP, it is more appropriate to use strcmp() when you need a binary-safe string comparison that considers the case sensitivit...

What are the advantages and disadvantages of using the exec() and passthru() functions in PHP for executing external commands?

When executing external commands in PHP, the exec() and passthru() functions are commonly used. The exec() function is used to execute a command and r...

What are the advantages and disadvantages of using a whitelist for allowed HTML markup in PHP applications?

When allowing user input in PHP applications, it is important to sanitize and validate the input to prevent cross-site scripting (XSS) attacks. One wa...