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
)
Lists all output handlers in use.
Return Values
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".
Examples
Example #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();
?>
The above example will output:
Array
(
[0] => default output handler
)
Array
(
[0] => ob_gzhandler
)
Array
(
[0] => default output handler
)
See Also
- ob_end_clean() - Clean (erase) the output buffer and turn off output buffering
- ob_end_flush() - Flush (send) the output buffer and turn off output buffering
- ob_get_flush() - Flush the output buffer, return it as a string and turn off output buffering
- ob_start() - Turn on output buffering