php imagetype_gif
Examples ¶. Example #1 exif_imagetype() example. <?php if (exif_imagetype('image.gif') != IMAGETYPE_GIF) echo 'The picture is not a gif'; } ?> ... ,IMAGETYPE_GIF, image/gif. IMAGETYPE_JPEG, image/jpeg. IMAGETYPE_PNG, image/png. IMAGETYPE_SWF, application/x-shockwave-flash.
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 php imagetype_gif 相關參考資料
exif_imagetype - PHP.net
范例 ¶. Example #1 exif_imagetype() 例子. <?php if (exif_imagetype("image.gif") != IMAGETYPE_GIF) echo "The picture is not a gif"; } ?> ... https://www.php.net PHP: exif_imagetype - Manual - PHP.net
Examples ¶. Example #1 exif_imagetype() example. <?php if (exif_imagetype('image.gif') != IMAGETYPE_GIF) echo 'The picture is not a gif'; } ?> ... https://www.php.net PHP: image_type_to_mime_type - Manual - PHP.net
IMAGETYPE_GIF, image/gif. IMAGETYPE_JPEG, image/jpeg. IMAGETYPE_PNG, image/png. IMAGETYPE_SWF, application/x-shockwave-flash. https://www.php.net Predefined Constants - Manual - PHP
GD_VERSION (string): The GD version PHP was compiled against. ... (Available as of PHP 7.4.0); IMAGETYPE_GIF (integer): Image type constant used by the ... https://www.php.net [PHP] 檢查檔案是否是圖檔@新精讚
可以檢查的常數有：. [IMAGETYPE_GIF] => 1 [IMAGETYPE_JPEG] => 2 [IMAGETYPE_PNG] => 3 [IMAGETYPE_SWF] => 4 [IMAGETYPE_PSD] ... http://n.sfs.tw |