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1. www.php.net › manual › enPHP: ftell - Manual

   www.php.net › manual › en

   Parameters ¶ stream The file pointer must be valid, and must point to a file successfully opened by fopen () or popen (). ftell () gives undefined results for append-only streams (opened with "a" flag).

2. www.w3schools.com › php › func_filesystem_ftellPHP ftell () Function - W3Schools

   www.w3schools.com › php › func_filesystem_ftell

   Definition and Usage The ftell () function returns the current position of the read/write pointer in an open file. Syntax ftell (file)

3. www.geeksforgeeks.org › php › php-ftell-functionPHP | ftell( ) Function - GeeksforGeeks

   www.geeksforgeeks.org › php › php-ftell-function

   Jul 11, 2025 · The ftell () function in PHP is an inbuilt function which is used to return the current position in an open file. The file is sent as a parameter to the ftell () function and it returns the current file pointer position on success, or FALSE on failure.

4. www.creationdev.net › docs › phpfonction-ftell.php - creationdev

   www.creationdev.net › docs › php

   Si une erreur survient, la fonction retournera false. Note: Comme le type entier de PHP est signé et que de nombreuses plates-formes utilisent des entiers de 32 bits, certaines fonctions relatives au système de fichiers peuvent retourner des résultats étranges pour les fichiers de taille supérieure à 2 Go.

5. www.tutorialspoint.com › php › php_function_ftellPHP ftell Function - Online Tutorials Library

   www.tutorialspoint.com › php › php_function_ftell

   Learn about the PHP ftell function, its syntax, usage, and examples to effectively find the current position of a file pointer in PHP.

6. phpdoctest.github.io › en › functionPHP Manual: Returns the current position of the file read ...

   phpdoctest.github.io › en › function

   Parameters handle The file pointer must be valid, and must point to a file successfully opened by fopen or popen. ftell gives undefined results for append-only streams (opened with "a" flag).

7. People also ask

   What is ftell() function?

   • The ftell () function can return the current position in an open file. It can return the current file pointer position on success or false on failure. This function can return the position of file pointer referenced by the handle, which means its offset into the file stream.

   PHP - Function ftell() - TutorialsPoint

   www.tutorialspoint.com/php/php_function_ftell.htm

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   Why does ftell return int (0) if a file is not empty?

   • When opening a file for reading and writing via fopen ('file','a+') the file pointer should be at the end of the file. However ftell () returns int (0) even if the file is not empty. Also it seems that there is two pointers, first for reading and second for writing, because it acts differently on first operation (reading or writing).

   PHP: ftell - Manual

   www.php.net/manual/en/function.ftell.php

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   How does fseek work in PHP?

   • (Watched this behavior in PHP 5.0.4 for Windows.) BUT: fseek () works as expected - using the true byte values. Actually, ftell () gives more than an undefined result for append only streams; it gives the offset from the end of the file as defined before any data was appended.

   PHP: ftell - Manual

   www.php.net/manual/en/function.ftell.php

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   What happens if you call ftell() in line 3?

   • If you call ftell () in line 3, the value will differ from the real value by 2 bytes. The error gets greater with every line. (Watched this behavior in PHP 5.0.4 for Windows.) BUT: fseek () works as expected - using the true byte values.

   PHP: ftell - Manual

   www.php.net/manual/en/function.ftell.php

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8. www.zetcode.com › php-filesystem › ftellPHP ftell - Getting File Pointer Position in PHP - ZetCode

   www.zetcode.com › php-filesystem › ftell

   Apr 3, 2025 · PHP ftell function tutorial shows how to get current file pointer position in PHP. Learn ftell with practical examples.