Preg_replace_callback function ($match) use ($ten), what is the meaning of use inside

Preg_replace_callback function ($match) use ($ten), what does the use of the inside mean

$string = "Some numbers:one:1; Two:2; Three:3 End ";
$ten = 10;
$newstring = Preg_replace_callback (
    '/(\\d+)/',
    function ($match) use ($ten) {return ($match [0] + $ten);},
    $string
    );

------to solve the idea----------------------
Use Chinese interpretation

function ($match) use ($ten) {return ($match [0] + $ten);}
Let the variable $ten be used in anonymous functions

Equivalent
$ten = 10;
function foo ($match) {
Global $ten;
Return (($match [0] + $ten));
}
But if $ten's not a global variable, it's going to be a problem.
------to solve the idea----------------------
New closure syntax for PHP 5.3

Closure functions (anonymous functions) can inherit variables from the parent scope any such variables should be passed in using the use language structure


------to solve the idea----------------------
5.2, you can do this.

$string = "Some numbers:one:1; Two:2; Three:3 End ";
$ten = 10;
$newstring = Preg_replace_callback (
    '/(\\d+)/',
    Create_function (' $match ', "return \ $match [0] + $ten;"),
    $string
    );
Echo $newstring;

