(PHP 4 >= 4.3.0, PHP 5, PHP 7)
exif_imagetype — �ж�һ��ͼ�������
$filename
) : intexif_imagetype() ��ȡһ��ͼ��ĵ�һ���ֽڲ������ǩ����
����������������������� exif �����õ��˲�֧�ֵ��ļ������ϻ�� $_SERVER['HTTP_ACCEPT'] ���ʹ�������������Ƿ������ʾij��ָ����ͼ��
filename
���������ǡ����ǩ����һ����Ӧ�ij���������
FALSE������ֵ�� getimagesize()
���ص������е����� 2 ��ֵ��һ���ģ�����������öࡣ
| �汾 | ˵�� |
|---|---|
| 4.3.2 | ֧�� JPC��JP2��JPX��JB2��XBM �Լ� WBMP |
| 4.3.0 | ֧�� SWC |
���������³������������� exif_imagetype() ���ܵķ���ֵ��
| ֵ | ���� |
|---|---|
| 1 | IMAGETYPE_GIF |
| 2 | IMAGETYPE_JPEG |
| 3 | IMAGETYPE_PNG |
| 4 | IMAGETYPE_SWF |
| 5 | IMAGETYPE_PSD |
| 6 | IMAGETYPE_BMP |
| 7 | IMAGETYPE_TIFF_II��Intel �ֽ�˳�� |
| 8 |
IMAGETYPE_TIFF_MM��Motorola �ֽ�˳��
|
| 9 | IMAGETYPE_JPC |
| 10 | IMAGETYPE_JP2 |
| 11 | IMAGETYPE_JPX |
| 12 | IMAGETYPE_JB2 |
| 13 | IMAGETYPE_SWC |
| 14 | IMAGETYPE_IFF |
| 15 | IMAGETYPE_WBMP |
| 16 | IMAGETYPE_XBM |
Example #1 exif_imagetype() ����
<?php
if (exif_imagetype("image.gif") != IMAGETYPE_GIF) {
echo "The picture is not a gif";
}
?>