Fatal errors can't be turned into Exceptions, they are designed for PHP to stop asap. A variable is considered empty if it has no value, or if the value is NULL, 0,, false, array () or 0. The empty () function is a built-in PHP function that checks if a variable is considered empty. Set_exception_handler accepts a closure as an argument. You can turn your warnings into exceptions using seterrorhandler() so whenever an warning occurs, it will generate an Exception which you can catch in a try-catch block. The simplest and most commonly used method to check if a variable is empty in PHP is to use the empty () function. Asking for help, clarification, or responding to other answers. To catch all exceptions in PHP, you must define a global exception handler with set_exception_handler. Thanks for contributing an answer to Stack Overflow Please be sure to answer the question.Provide details and share your research But avoid. Currently, my code I believe IS checking if the value is different to the existing value. I want the UPDATE statement in my SQL statement (I am using PDO) to only change what is set if the value is not empty and also is different to the existing value.
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