خواندن و نوشتن در فایل در php

[saalek110]

خواندن و نوشتن در فایل در php

 

[saalek110]

.......

 

[saalek110]

<?php
$myfile = fopen("webdictionary.txt", "r") or die("Unable to open file!");
// Output one line until end-of-file
while(!feof($myfile)) {
  echo fgets($myfile) . "<br>";
}
fclose($myfile);
?>

برنامه بالا فایل webdictionary.txt را می خواند و چاپ می کند.
اگر چنین فایلی کنارش نباشد خطا می دهد
وگرنه محتویات فایل را چاپ می کند.

W3Schools.com

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www.w3schools.com

 

[saalek110]

نوشتن در فایل:

<?php
$myfile = fopen("newfile.txt", "w") or die("Unable to open file!");
$txt = "John Doe\n";
fwrite($myfile, $txt);
$txt = "Jane Doe\n";
fwrite($myfile, $txt);
fclose($myfile);
?>

W3Schools.com

W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.

www.w3schools.com

 

[saalek110]

اضافه کردن انتهای فایل append:

<?php
$myfile = fopen("newfile.txt", "a") or die("Unable to open file!");
$txt = "Donald Duck\n";
fwrite($myfile, $txt);
$txt = "Goofy Goof\n";
fwrite($myfile, $txt);
fclose($myfile);
?>

W3Schools.com

W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.

www.w3schools.com