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? ??? ??? MySQL ???? PHP ?? ????? ?? ??? ??? ???? ??? ??????

PHP ?? ????? ?? ??? ??? ???? ??? ??????

Nov 01, 2024 am 04:58 AM

How to Restrict File Types and Size in PHP File Uploads?

PHP ?? ???: ?? ?? ? ??? ????? ??

PHP??? ?? ???? ???? ?? ?? ??? ???? ?? ?????. . ? ???? ?? ?? ?? ??? ??? ??????.

<code class="php">//check file extension and size
$resume= ($_FILES['resume']['name']);
$reference= ($_FILES['reference']['name']);
$ext = strrchr($resume, ".");
$ext1 = strrchr($reference, ".");
if (!(($_FILES["resume"]["type"] == "application/doc")
|| ($_FILES["resume"]["type"] == "application/docx")
|| ($_FILES["resume"]["type"] == "application/pdf" ))
&& (($_FILES["reference"]["type"] == "application/doc")
|| ($_FILES["reference"]["type"] == "application/docx")
|| ($_FILES["reference"]["type"] == "application/pdf"))
&& (($ext == ".pdf") || ($ext == ".doc") || ($ext == ".docx"))
&& (($ext1 == ".pdf") || ($ext1 == ".doc") || ($ext1 == ".docx"))
&&  ($_FILES["resume"]["size"] < 400000) //accept upto 500 kb
&&  ($_FILES["reference"]["size"] < 400000)) {

//stop user
} else {
// allow files to upload
}</code>

???? ??? ? ??? ???? ?? ?? ??(?: TXT)? ??? ???? ?? ??? ???? ?????.

???: MIME ?? ? ??? ?? ??

??? ??? ????? ?? ??? ?? ??? ?????.

<code class="php">function allowed_file(){

//Allowed mime-type files
$allowed = array('application/doc', 'application/pdf', 'another/type');

//Validate uploaded file type
if(in_array($_FILES['resume']['type'], $allowed) AND in_array($_FILES['reference']['type'], $allowed)){

//Check file size
if($_FILES["resume"]["size"] < 400000 AND $_FILES["reference"]["size"] < 400000 ){

//File types and size are accepted, proceed with file processing
}
}
}</code>

?? :

? ??? ??? ?? ???? ?? MIME(Multi Purpose Internet Mail Extension) ??? ?????. MIME ??? ?? ??? ???? ???? ?? ???? ????. ?? ??? ??? ?? ?? ??? ?? ????? ?? ??? ???? ??? ????? ?????.

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