Search results for: "arbitrary precision"

How can you round a result to a specific number of decimal places in PHP?

When working with floating-point numbers in PHP, you may need to round a result to a specific number of decimal places. This can be achieved using the...

What are the implications of using eval() to process PHP code retrieved from external URLs?

Using eval() to process PHP code retrieved from external URLs can pose a significant security risk, as it allows for the execution of arbitrary code....

What are the advantages of using array_shift() versus unset() when removing variables from an array in PHP?

When removing variables from an array in PHP, using array_shift() is advantageous because it not only removes the first element from the array but als...

What are the security implications of using eval() and global variables in PHP code, particularly in the context of processing payment information from external sources like PayPal?

Using eval() and global variables in PHP code can introduce security vulnerabilities, especially when processing sensitive information like payment da...

What potential pitfalls should be considered when using regex patterns stored in a database with PHP's preg_match function?

When using regex patterns stored in a database with PHP's preg_match function, a potential pitfall to consider is the security risk of executing arbit...