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Found 2 results

  1. This is my first oop php library and wanted to get advice on how I can improve what I wrote. This is what I needed to do: I'm also not sure on what it meant by "proportionally resize the shape up or down, given a floating-point scale factor" I think what I did might be right but I could be wrong. Also am I supposed to have a new class for each shape or is there a better solution? Any help is much appreciated. <?PHP echo "Circle (r=5) <br/>"; $circle = new circle(5); $circle->getArea(); $circle->getPerimiter(); $circle->scale(up, .5); echo "Scaled up .5<br/>"; $circle->getArea(); $circle->getPerimiter(); echo "<br/>Right Triangle (a=4, b=5) <br/>"; $rt = new RightTriangle(4, 5); $rt->getArea(); $rt->getPerimiter(); $rt->scale(down, .5); echo "Scaled down .5<br/>"; $rt->getArea(); $rt->getPerimiter(); echo "<br/>Equilateral Triangle <br/>"; $et = new EquilateralTriangle(6); $et->getArea(); $et->getPerimiter(); $et->scale(up, .; echo "Scaled Up .8<br/>"; $et->getArea(); $et->getPerimiter(); echo "<br/>Rectangle<br/>"; $r = new Rectangle(8, 7); $r->getArea(); $r->getPerimiter(); $r->scale(down, .; echo "Scaled Down .8<br/>"; $r->getArea(); $r->getPerimiter(); echo "<br/>Square<br/>"; $s = new Square(25); $s->getArea(); $s->getPerimiter(); $s->scale(up, 2.5); echo "Scaled Up 2.5<br/>"; $s->getArea(); $s->getPerimiter(); echo "<br/>Parallelogram<br/>"; $p = new Parallelogram(5.7, 6.; $p->getArea(); $p->getPerimiter(); $p->scale(up, 1); echo "Scaled Up 1<br/>"; $p->getArea(); $p->getPerimiter(); class Circle { public function __construct( $radius ) { $this->radius = $radius; } public function getArea() { echo number_format(pow($this->radius, 2) * M_PI, 2)."<br/>"; } public function getPerimiter() { echo number_format(2 * M_PI * $this->radius, 2)."<br/>"; } public function scale($direction, $scale) { if($direction == 'up') { $this->radius = $this->radius + ($this->radius * $scale); } else { $this->radius = $this->radius - ($this->radius * $scale); } } } class RightTriangle { public function __construct( $a, $b ) { $this->a = $a; $this->b = $b; } public function getArea() { echo number_format(($this->a*$this->b/2), 2)."<br/>"; } public function getPerimiter() { echo number_format($this->a + $this->b + sqrt(pow($this->a, 2) + pow($this->b, 2)), 2)."<br/>"; } public function scale($direction, $scale) { if($direction == 'up') { $this->a = $this->a + ($this->a * $scale); $this->b = $this->b + ($this->b * $scale); } else { $this->a = $this->a - ($this->a * $scale); $this->b = $this->b + ($this->b * $scale); } } } class EquilateralTriangle { public function __construct( $a ) { $this->a = $a; } public function getArea() { echo number_format((sqrt(3)/4)*pow($this->a,2),2)."<br/>"; } public function getPerimiter() { echo number_format(3 * $this->a, 2)."<br/>"; } public function scale($direction, $scale) { if($direction == 'up') { $this->a = $this->a + ($this->a * $scale); } else { $this->a = $this->a - ($this->a * $scale); } } } class Rectangle { public function __construct( $w, $l ) { $this->w = $w; $this->l = $l; } public function getArea() { echo number_format($this->w * $this->l,2)."<br/>"; } public function getPerimiter() { echo number_format(2 * ($this->w + $this->l), 2)."<br/>"; } public function scale($direction, $scale) { if($direction == 'up') { $this->w = $this->w + ($this->w * $scale); $this->l = $this->l + ($this->l * $scale); } else { $this->w = $this->w - ($this->w * $scale); $this->l = $this->l - ($this->l * $scale); } } } class Square { public function __construct( $a ) { $this->a = $a; } public function getArea() { echo number_format(pow($this->a,2),2)."<br/>"; } public function getPerimiter() { echo number_format(4 * $this->a, 2)."<br/>"; } public function scale($direction, $scale) { if($direction == 'up') { $this->a = $this->a + ($this->a * $scale); } else { $this->a = $this->a - ($this->a * $scale); } } } class Parallelogram { public function __construct( $a, $b ) { $this->a = $a; $this->b = $b; $this->h = $a/$b; } public function getArea() { echo number_format($this->b * $this->h,2)."<br/>"; } public function getPerimiter() { echo number_format(2 * ($this->a + $this->b), 2)."<br/>"; } public function scale($direction, $scale) { if($direction == 'up') { $this->a = $this->a + ($this->a * $scale); $this->b = $this->b + ($this->b * $scale); } else { $this->a = $this->a - ($this->a * $scale); $this->b = $this->b - ($this->b * $scale); } } } ?>
  2. I am using this https://github.com/ircmaxell/password_compat I have no problem using it on a local server. But as soon as I test it on a live server, it gives me an error like this. Parse error: syntax error, unexpected '{' in /home/public_html/sub/snippets/password.php on line 19 The error is on the same line as the beginning of the code in that library. Why is this happening?
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