Simple sample code for uploading and deleting images in PHP

if (!empty($_FILES["img"]["name"])) { //Extract the file domain content name and determine
$path="uppic/"; / /Upload path
if(!file_exists($path))
{
//Check whether the folder exists, if not, create it and give it the highest permissions
mkdir(“$path”, 0700);
}//END IF
//File formats allowed to be uploaded
$tp = array("image/gif","image/pjpeg","image/jpeg");
//Check whether the uploaded file is of the type allowed to be uploaded
if(! in_array($_FILES["img"]["type"],$tp))
{
echo "<script>alert('wrong format');history.go(-1);</script>" ;
exit;
}//END IF
$filetype = $_FILES['img']['type'];
if($filetype == 'image/jpeg'){
$type = '.jpg';
}
if ($filetype == 'image/jpg') {
$type = '.jpg';
}
if ($filetype == 'image/pjpeg') {
$type = '.jpg';
}
if($filetype == 'image/gif'){
$type = '.gif';
}
if($_FILES["img"]["name"])
{
$today=date ("YmdHis"); //Get the time and assign it to the variable
$file2 = $path.$today.$type; //The full path of the picture
$img = $today.$type; //The name of the picture
$flag =1;
}//END IF
if($flag) $result=move_uploaded_file($_FILES["img"]["tmp_name"],$file2);
//Note that the first value passed to move_uploaded_file here The first parameter is a temporary file uploaded to the server
}//END IF
//Here, the value of $img is written to the corresponding field in the database

2, php delete image:

unlink(“uppic/”.$img); //unlink method to delete files

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