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pchatterjee/php calculate function

Last active October 3, 2019 23:20
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php calculate function
// function to calculate and return result
function calc($x, $y, $op) {
if ($op == '/' && $y == 0) {
$prod = "&#8734";
}
else {
// build up the expression
$exp = "$x"."$op"."$y";
// evaluate it
eval("\$prod=$exp;");
}
// return the result
return $prod;
}
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