Jaybe
106 lines
3.7 KiB
PHP
106 lines
3.7 KiB
PHP
<?php
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$valid_extensions = array('jpeg', 'jpg', 'png', 'gif', 'bmp', 'pdf', 'doc', 'ppt'); // valid extensions
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$real_path = __DIR__ . '/../..';
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$upload_path = '/uploads/'; // upload directory
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$data = ['result'=>false];
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if ($_FILES['image']) {
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$img = $_FILES['image']['name'];
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$tmp = $_FILES['image']['tmp_name'];
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$original_filesize = $_FILES['image']['size'];
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// get uploaded file's extension
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$ext = strtolower(pathinfo($img, PATHINFO_EXTENSION));
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// can upload same image using rand function
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$final_image = (microtime(true)*10000).'_'.date('YmdHis').'_'.$this->landing['seq'];
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// check's valid format
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if (in_array($ext, $valid_extensions)) {
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$filename = strtolower($final_image).'.'.$ext;
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$real_path .= $upload_path.$filename;
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$upload_path .= $filename;
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if (resize_image($tmp)) {
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if (move_uploaded_file( $tmp, $real_path)) {
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$resize_filesize = @filesize($real_path);
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$data = ['result' => true, 'filename' => $filename, 'real_path' => $real_path, 'upload_path' => 'https:'.EVENT_URL.$upload_path, 'original_filesize' => $original_filesize, 'resize_filesize' => $resize_filesize];
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}
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}
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}
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}
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function resize_image($img, $ratio = 'true')
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{
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$exif = @exif_read_data($img);
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$size = _getimagesize($img, 1000);
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if ($size[2] == 1) //-- GIF
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$src = imagecreatefromgif($img);
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elseif ($size[2] == 2) //-- JPG
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$src = imagecreatefromjpeg($img);
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else //-- $size[2] == 3, PNG
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$src = imagecreatefrompng($img);
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$dst = imagecreatetruecolor($size['w'], $size['h']);
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$dstX = 0;
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$dstY = 0;
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$dstW = $size['w'];
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$dstH = $size['h'];
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if ($ratio != 'false' && $size['w'] / $size['h'] <= $size[0] / $size[1]) {
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$srcX = ceil(($size[0] - $size[1] * ($size['w'] / $size['h'])) / 2);
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$srcY = 0;
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$srcW = $size[1] * ($size['w'] / $size['h']);
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$srcH = $size[1];
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} elseif ($ratio != 'false') {
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$srcX = 0;
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$srcY = ceil(($size[1] - $size[0] * ($size['h'] / $size['w'])) / 2);
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$srcW = $size[0];
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$srcH = $size[0] * ($size['h'] / $size['w']);
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} else {
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$srcX = 0;
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$srcY = 0;
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$srcW = $size[0];
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$srcH = $size[1];
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}
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imagecopyresampled($dst, $src, $dstX, $dstY, $srcX, $srcY, $dstW, $dstH, $srcW, $srcH);
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if(!empty($exif['Orientation'])) {
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switch($exif['Orientation']) {
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case 8:
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$dst = imagerotate($dst,90,0);
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break;
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case 3:
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$dst = imagerotate($dst,180,0);
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break;
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case 6:
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$dst = imagerotate($dst,-90,0);
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break;
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}
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}
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if(imagejpeg($dst, $img, 100)) {
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imagedestroy($src);
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imagedestroy($dst);
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return TRUE;
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}
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}
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function _getimagesize($img, $m, $ratio = 'false')
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{
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$v = @getImageSize($img);
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if($v === FALSE || $v[2] < 1 || $v[2] > 3)
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return FALSE;
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$m = intval($m);
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if($m > $v[0] && $m > $v[1])
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return array_merge($v, array("w"=>$v[0], "h"=>$v[1]));
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if($ratio != 'false') {
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$xy = explode(':',$ratio);
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return array_merge($v, array("w"=>$m, "h"=>ceil($m*intval(trim($xy[1]))/intval(trim($xy[0])))));
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} else if ($v[0] > $v[1]) {
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$t = $v[0]/$m;
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$s = floor($v[1]/$t);
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$m = ($m > 0) ? $m : 1;
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$s = ($s > 0) ? $s : 1;
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return array_merge($v, array("w"=>$m, "h"=>$s));
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} else {
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$t = $v[1]/intval($m);
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$s = floor($v[0]/$t);
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$m = ($m > 0) ? $m : 1;
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$s = ($s > 0) ? $s : 1;
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return array_merge($v, array("w"=>$s, "h"=>$m));
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}
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}
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