(PHP 4 >= 4.0.2, PHP 5, PHP 7)
ob_get_length — Return the length of the output buffer
ob_get_length ( ) : int
This will return the length of the contents in the output buffer, in bytes.
Returns the length of the output buffer contents, in bytes, or false if no buffering is active.
Example #1 A simple ob_get_length() example
<?php ob_start(); echo "Hello "; $len1 = ob_get_length(); echo "World"; $len2 = ob_get_length(); ob_end_clean(); echo $len1 . ", " . $len2; ?>
The above example will output:
6, 11
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.ob-get-length.php