<?php
if (isset($_POST)) {
$complexNumber = new ComplexNumber((int) $_POST['real'], (int) $_POST['imaginary']);
$complexNumber->square();
$addcomplexNumber = new ComplexNumber((int) $_POST['add_real'], (int) $_POST['add_imaginary']);
$complexNumber->add($addcomplexNumber);
$results = unserialize($_POST['results']);
$results[] = array($complexNumber->real, $complexNumber->imaginary);
} else {
$results = array();
}
?>
<form action="#" method="POST">
<fieldset>
Square: <input type="text" name="real" value="<?php
if (isset($complexNumber)) {
echo $complexNumber->real;
}
?>
" /> +
<input type="text" name="imaginary" value="<?php
if (isset($complexNumber)) {
echo $complexNumber->imaginary;
}
?>
" /> i<br/>
Add: <input type="text" name="add_real" value="<?php
if (isset($_POST['add_real'])) {
echo $_POST['add_real'];
}
<?php
$maxIterations = 50;
$step = 1 / 20;
$topLeft = array(-1.5, 1);
$bottomRight = array(0.5, -1);
if ('cli' != php_sapi_name()) {
echo "<pre><center>";
}
$c = new ComplexNumber(-0.8, 0.156);
for ($imaginary = $topLeft[1]; $imaginary > $bottomRight[1]; $imaginary = $imaginary - $step) {
for ($real = $topLeft[0]; $real < $bottomRight[0]; $real = $real + $step) {
$z = new ComplexNumber($real, $imaginary);
$iterationCount = 0;
while ($z->lessThanTwo() && $iterationCount < $maxIterations) {
$z->square();
$z->add($c);
++$iterationCount;
}
if ($iterationCount >= $maxIterations) {
echo '*';
} else {
echo ' ';
}
}
echo PHP_EOL;
}
if ('cli' != php_sapi_name()) {
echo "</centre></pre>";
}
