bool(true)

bool(false)

Не знаю

Uncaught Error: Call to undefined function bestLanguageIs()

Uncaught Error: Call to undefined function php()

php

Uncaught Error: Closure object cannot be accessed as string

Too few arguments to function {closure}(), 0 passed and exactly 1 expected

Не знаю

Fatal error: Uncaught ArgumentCountError: min() expects exactly 2 parameters, 4 given

Fatal error: Uncaught TypeError: min(): Argument #1 must be of type int, string given

int(2)

string(2) "!3"

Не знаю

int(42)

int(9111)

Notice + NULL

Fatal error

да

нет

int(42)

NULL

Fatal error: static variable declaration must be the very first statement in the function

Parse error: syntax error, unexpected 'static' (T_STATIC)

Parse error: syntax error, unexpected 'void' (T_VOID)

Fatal error: Uncaught Error: Call to a member function current() on null

NULL

int(42)

установленную версию PHP

Too few arguments to function AccessedViaMagic::getPHPVersion(), 0 passed and exactly 1 expected

PHP Arrays cannot be accessed as callable

First array member is not a valid class name or object

Warning: Cannot bind an instance to a static closure

Uncaught Error: Typed property class@anonymous::$bestLang must not be accessed before initialization

string(3) "php"

object(Closure)#3 (1) {...}

Uncaught Error: Function name must be a string

NULL

Ничего не выведет

Не знаю