Re: coerce() function

On Wed, 10 Dec 2025 at 08:45, Dmitry Derepko <xepozzd@gmail.com> wrote: > Hello, > > From time to time I need to write a few lines of code that usually look > ridiculous: > > $var = $input === ‘yes’ ? ‘yes’ : ’no’ > $var = $input !== ‘yes’ ? ’no’ : $yes > $var = $input > 10 ? 10 : $input > $var = max(-10, min($input, 10) > > and many other variations. > In Kotlin, I can use coerceIn() extension function with strings > / > numbers / comparables, which allows me to write such lines more readable. > > I suggest to add such function to PHP. The examples above may look like > the following > > $var = coerce($input, variants: [“yes”, “no”], default: “yes”); > $var = coerce($input, min: 0, max: 10, default: 5); > $var = coerce($input, min: 0, max: 10, default: 5); > > btw many of these are already covered by filter_var, $var = $input === ‘yes’ ? ‘yes’ : ’no’ $var = $input !== ‘yes’ ? ’no’ : $yes $var = coerce($input, variants: [“yes”, “no”], default: “yes”); $var = coerce($input, min: 0, max: 10, default: 5); is very close to $var = filter_var($input,FILTER_VALIDATE_BOOL); $var = !filter_var($input,FILTER_VALIDATE_BOOL); $var = filter_var($input,FILTER_VALIDATE_BOOL, ['options'=>['default'=>true]]); $var = filter_var($input, FILTER_VALIDATE_INT, ['options'=>['min_range'=>0, 'max_range'=>10, 'default'=>5]]); but if your syntax idea cover stuff like $var = coerce($input, variants: [“yes”, “no”, "maybe"], default: “yes”); then filter_var does not cover it (well, you could get creative with FILTER_VALIDATE_CALLBACK, but that would be crazy, array_search would be better lel) but even so, your proposed syntax is certainly prettier than filter_var.