Fungsi is_uploaded_file() ialah fungsi dalam PHP

Fungsi

is_uploaded_file() menyemak sama ada fail telah dimuat naik melalui HTTP POST. Fungsi ini mengembalikan TRUE jika fail telah dimuat naik melalui HTTP POST. Mengembalikan FALSE pada kegagalan.

Syntax

is_uploaded_file(file_path)

Parameter

• file_path -Nyatakan fail untuk disemak.

Mengembalikan

Jika fail dimuat naik melalui HTTP POST, fungsi is_uploaded_file() akan mengembalikan BENAR. Mengembalikan FALSE pada kegagalan.

Katakan kami memuat naik fail "new.txt" dengan kandungan berikut.

This is demo text!

Contoh

<?php
   // checking for file is uploaded via HTTP POST
   if (is_uploaded_file($_FILES[&#39;userfile&#39;][&lsquo;new.txt&#39;])) {
      echo "File ". $_FILES[&#39;userfile&#39;][&lsquo;new.txt&#39;] ." uploaded successfully!</p><p>";
      // displaying contents of the uploaded file
      echo "Reading Contents of the file:</p><p>";
      readfile($_FILES[&#39;userfile&#39;][&lsquo;new.txt&#39;]);
   } else {
      echo "File ". $_FILES[&#39;userfile&#39;][&lsquo;new.txt&#39;] ." failed in uploading! File upload attack could       be the reason!</p><p>";
   }
?>

Output

File new.txt uploaded successfully!
Reading Contents of the file:
This is demo text!

Mari kita lihat contoh lain dengan fail "details.txt".

Contoh

Live Demo

<?php
$file = "newdetailstxt";
if(is_uploaded_file($file)) {
   echo ("Uploaded via HTTP POST");
} else {
   echo ("Not uploaded via HTTP POST");
}
?>

Output

rreee

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