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https://github.com/Daichimarukana/uwuzu.git
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Daichimarukana
97 lines
2.4 KiB
PHP
97 lines
2.4 KiB
PHP
<?php
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//----------EXIF_Delete----------
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//EXIFを削除するやつです。
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function rotate($image, $exif){
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$orientation = $exif['Orientation'] ?? 1;
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switch ($orientation) {
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case 1: //no rotate
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break;
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case 2: //FLIP_HORIZONTAL
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imageflip($image, IMG_FLIP_HORIZONTAL);
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break;
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case 3: //ROTATE 180
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$image = imagerotate($image, 180, 0);
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break;
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case 4: //FLIP_VERTICAL
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imageflip($image, IMG_FLIP_VERTICAL);
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break;
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case 5: //ROTATE 270 FLIP_HORIZONTAL
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$image = imagerotate($image, 270, 0);
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imageflip($image, IMG_FLIP_HORIZONTAL);
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break;
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case 6: //ROTATE 90
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$image = imagerotate($image, 270, 0);
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break;
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case 7: //ROTATE 90 FLIP_HORIZONTAL
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$image = imagerotate($image, 90, 0);
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imageflip($image, IMG_FLIP_HORIZONTAL);
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break;
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case 8: //ROTATE 270
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$image = imagerotate($image, 90, 0);
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break;
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}
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return $image;
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}
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function delete_exif($extension, $path){
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$exifimgext = array(
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"jpg",
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"jpeg",
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"jfif",
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"pjpeg",
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"pjp",
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"hdp",
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"wdp",
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"jxr",
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"tiff",
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"tif"
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);
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if(in_array($extension,$exifimgext)){
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$gd = imagecreatefromjpeg($path);
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$w = imagesx($gd);
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$h = imagesy($gd);
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$gd_out = imagecreatetruecolor($w,$h);
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imagecopyresampled($gd_out, $gd, 0,0,0,0, $w,$h,$w,$h);
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$exif = exif_read_data($path);
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$gd_out = rotate($gd_out, $exif);
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imagejpeg($gd_out, $path);
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imagedestroy($gd_out);
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}
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}
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//----------EXIF_Delete----------
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//----------Check_Extension------
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//ファイル形式チェック(画像かどうか)
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function check_mime($tmp_name){
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$tmp_ext = mime_content_type($tmp_name);
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$safe_img_mime = array(
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"image/gif",
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"image/jpeg",
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"image/png",
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"image/svg+xml",
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"image/webp",
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"image/bmp",
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"image/x-icon",
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"image/tiff"
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);
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if(in_array($tmp_ext,$safe_img_mime)){
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return $tmp_ext;
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}else{
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return false;
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}
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}
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//ファイル形式チェック(画像かどうか)
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function check_mime_video($tmp_name){
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$tmp_ext = mime_content_type($tmp_name);
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$safe_vid_mime = array(
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"video/mpeg",
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"video/mp4",
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"video/webm",
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"video/x-msvideo",
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);
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if(in_array($tmp_ext,$safe_vid_mime)){
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return $tmp_ext;
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}else{
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return false;
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}
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}
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?>
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