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<?php function create_function2($args, $content) { static $counter = 0; $funcname = '_lambda_' . (++$counter); eval("function {$funcname} ({$args}) { {$content}; }"); return $funcname; } var_dump(bin2hex(create_function('$a,$b', 'return $a+$b;'))); $f = create_function('$a,$b', 'return $a+$b;'); var_dump($f(1,2));

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37.4 ms | 402 KiB | 5 Q