Resize and crop an image in PHP and GD

gistfile1.aw

                    <?php
                    $srcPath = "your source image path goes here";
                    $dstPath = "your destination image path goes here";
                    $size = "90x90";

                    list($w, $h, $type) = getimagesize($srcPath);

                    switch ($type) {
                            case IMAGETYPE_JPEG:
                                    $src = imagecreatefromjpeg($srcPath);
                                    break;
                            case IMAGETYPE_PNG:
                                    $src = imagecreatefrompng($srcPath);
                                    break;
                            case IMAGETYPE_GIF:
                                    $src = imagecreatefromgif($srcPath);
                                    break;
                            case IMAGETYPE_BMP:
                                    $src = imagecreatefrombmp($srcPath);
                                    break;
                    }

                    list($dst_w, $dst_h) = explode('x', $size);
                    $dst = imagecreatetruecolor($dst_w, $dst_h);

                    $dst_x = $dst_y = 0;
                    $src_x = $src_y = 0;

                    if ($dst_w/$dst_h < $w/$h) {
                            $src_w = $h*($dst_w/$dst_h);
                            $src_h = $h;
                            $src_x = ($w-$src_w)/2;
                            $src_y = 0;
                    } else {
                            $src_w = $w;
                            $src_h = $w*($dst_h/$dst_w);
                            $src_x = 0;
                            $src_y = ($h-$src_h)/2;
                    }

                    imagecopyresampled($dst, $src, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h);

                    imagejpeg($dst, $dstPath);
                    imagedestroy($src);
                    imagedestroy($dst);
                    ?>