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<?php
$x = function ($a) {
  return $a * 2;
};
 
$a = $x(50);
if ($a == 100){
	echo "Соточка";
} else{
	echo $a;
}
 
 
var_dump($x);

Success #stdin #stdout 0.01s 82880KB

stdin

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Standard input is empty

stdout

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Соточкаobject(Closure)#1 (1) {
  ["parameter"]=>
  array(1) {
    ["$a"]=>
    string(10) "<required>"
  }
}

https://ideone.com/39V8kL

language:

PHP (php 7.3.5)

created:

visibility:

public

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