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@ 2015-11-18T20:48:11Z

<?php

$func = function($a) {
    return $a + 2;
};

$func = function($a) use($func) {
    return $func() * 2;
};

var_dump( $func(2) );

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

66.56 ms | 402 KiB | 5 Q