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<?php
 
$a = 1;
$x = function ($n) use ($a) {
echo "a=$a, n=$n\n";
}
 
$x(10); // a=1,n=10
$a = 2;
$x(5); // a=1, n=5

Runtime error #stdin #stdout #stderr 0.02s 24448KB

stdin

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Standard input is empty

stdout

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Standard output is empty

stderr

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PHP Parse error:  syntax error, unexpected '$x' (T_VARIABLE) in /home/fuuAPT/prog.php on line 8

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language:

PHP (php 7.3.5)

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