Funções para Control de Saída
PHP Manual

ob_list_handlers

(PHP 4 >= 4.3.0, PHP 5, PHP 7)

ob_list_handlersList all output handlers in use

Descrição

array ob_list_handlers ( void )

Lists all output handlers in use.

Valor Retornado

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".

Exemplos

Exemplo #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(function($string) { return $string; });
print_r(ob_list_handlers());
ob_end_flush();
?>

O exemplo acima irá imprimir:

Array
(
    [0] => default output handler
)

Array
(
    [0] => ob_gzhandler
)

Array
(
    [0] => Closure::__invoke
)

Veja Também


Funções para Control de Saída
PHP Manual