<?php
namespace Taschenrechner\Classes\Operationen;
class Sinus extends Operation {
public function getSign() {
return "sin(";
}
public function calculate($a, $b=NULL) {
return sin(deg2rad($a));
}
public function findAndCalculateTerm($term, $operations) {
//arbeitet intern mit dem Array
$array = preg_split('/(?<!^)(?!$)/u', $term );
$array = $this->concatinator->concatinateArray($array, $operations);
for($i = 0; $i < sizeof($array); $i++) {
if($array[$i]===$this->getSign()) {
$array[$i] = $this->calculate($array[$i+1]);
unset($array[$i+1]);
unset($array[$i+2]);
$array = array_values($array);
}
}
return implode("", $array);
}
}
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