<?php
$newfunc = create_function('$a,$b', 'return "ln($a) + ln($b) = " . log($a * $b);');
echo "New anonymous function: $newfunc\n";
echo $newfunc(2, M_E) . "\n";
?>
New anonymous function: lambda_1
ln(2) + ln(2.718281828459) = 1.6931471805599