<?php error_reporting(E_ALL); require_once 'complex_number.php'; $lf = "\n"; // $lf = '<br />'; $numbers = array(new ComplexNumber(1, 5), new ComplexNumber('-2-4i'), new ComplexNumber(), new ComplexNumber('4+5i'), new ComplexNumber(array(5, 1)), new ComplexNumber('-5-1i'), new ComplexNumber('7+0i'), new ComplexNumber('18'), new ComplexNumber(''), new ComplexNumber('5.5+1.5i'), new ComplexNumber(-5.5, -1.5)); foreach ($numbers as $key => $number) { echo $key + 1 . ' number: ' . $number . $lf; } echo $lf . 'Operations: ' . $lf; echo '1 number + 2 number: ' . ComplexNumber::add($numbers[0], $numbers[1]) . $lf; echo '2 number + 5 number: ' . $numbers[1]->add($numbers[4]) . $lf; echo '4 number - 2 number: ' . ComplexNumber::subtract($numbers[3], $numbers[1]) . $lf; echo '7 number - 6 number: ' . $numbers[6]->subtract($numbers[5]) . $lf; echo '5 number inversion: ' . ComplexNumber::invert($numbers[4]) . $lf; echo '2 number inversion: ' . $numbers[1]->invert() . $lf; echo '4 number + (6-8i): ' . ComplexNumber::add($numbers[3], '6-8i') . $lf; echo '4 number + (13+2i): ' . $numbers[3]->add('13+2i') . $lf; echo 'is 5 number real: ' . ComplexNumber::isReal($numbers[4]) . $lf; echo 'is (3+7i) real: ' . ComplexNumber::isReal('3+7i') . $lf; echo 'is (3) real: ' . ComplexNumber::isReal('3') . $lf; echo 'is 3 number imaginary(not real): ' . ComplexNumber::isImaginary($numbers[2]) . $lf; echo 'is 7 number real: ' . $numbers[6]->isReal() . $lf; echo '10 number + 11 number: ' . ComplexNumber::add($numbers[9], $numbers[10]) . $lf; foreach ($numbers as $number) { $number = null; }