ob_list_handlers
(PHP 4 >= 4.3.0, PHP 5)
ob_list_handlers --
List all output handlers in use
Description
array
ob_list_handlers ( void )
This will return an array with the output handlers in use (if any). If
output_buffering is
enabled or an anonymous function was used with
ob_start(), ob_list_handlers() will
return "default output handler".
例子 1. ob_list_handlers() example
<?php
//using output_buffering=On
print_r(ob_list_handlers());
ob_end_flush();
ob_start("ob_gzhandler");
print_r(ob_list_handlers());
ob_end_flush();
// anonymous functions
ob_start(create_function('$string', 'return $string;'));
print_r(ob_list_handlers());
ob_end_flush();
?>
|
上例将输出： Array
(
[0] => default output handler
)
Array
(
[0] => ob_gzhandler
)
Array
(
[0] => default output handler
) |
|
See also
ob_end_clean(),
ob_end_flush(),
ob_get_flush(),
ob_start().