Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP ftruncate() Function.
The PHP ftruncate() function truncates an open file to a specified length.
The PHP ftruncate() function truncates an open file to a specified length.
Syntax
Following below is the syntax to use this function -
bool ftruncate ( resource $handle , int $size )
READ: PHP | ftell() Function
This PHP function can take the filepointer, handle, and truncate the file to length size.
Return Value
This PHP function returns true on success, or false on failure.
Example
Try out the below example -
<?php //check filesize echo filesize("/PhpProject/sample.txt"); echo "\n"; $file = fopen("/PhpProject/sample.txt", "a+"); ftruncate($file, 100); fclose($file); //Clear cache and check filesize again clearstatcache(); echo filesize("/PhpProject/sample.txt"); ?>
Output
When the above code is executed, it will produce the following result -
49 100
READ: PHP | fseek() Function
Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the PHP fwrite() Function.
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Do feel free to ask your questions where necessary and we will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.
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Thanks for reading and bye for now.