Output Control 函数
PHP Manual

ob_get_length

(PHP 4 >= 4.0.2, PHP 5)

ob_get_lengthReturn the length of the output buffer

说明

int ob_get_length ( void )

This will return the length of the contents in the output buffer.

返回值

Returns the length of the output buffer contents or FALSE if no buffering is active.

范例

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;
?>

以上例程会输出:

6, 11

参见


Output Control 函数
PHP Manual