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ob_list_handlers

(PHP 4 >= 4.3.0, PHP 5)

ob_list_handlersList all output handlers in use

Description

array ob_list_handlers ( void )

Lists all output handlers in use.

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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

 
 

Example of ob_list_handlers();



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