Last week, I wrote about type hinting, in PHP. Type hinting makes the intent of a function clearer and forces the values to show a specific type of value. While having a function that only accepts a certain type of value removes the need to check a variable’s type from the function, it doesn’t mean you don’t have to check that type first before calling the function. Passing a variable of the wrong type creates a fatal error. For example, get_post_meta() can return pretty much any type of data. If you’re using it in a way that you expect it to […]
An Introduction To Return Type Declarations In PHP7
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