If you are using mod_gzip or mod_deflate to compress HTML output, you're not able to send partial file to the browser....To disable mod_deflate in PHP (if needed), you can tell Apache with this :apache_setenv('no-gzip', '1');
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
apache_setenv — Establece una variable subprocess_env de Apache
apache_setenv() establece el valor de la variable de entorno de Apache especificado por
variable.
Nota:
Al establecer una variable de entorno de Apache, la correspondiente variable $_SERVER no se modifica.
variableLa variable de entorno que se desea establecer.
value
El nuevo valor de variable.
walk_to_topIndica si se va a establecer la variable de nivel superior disponible para todas las capas de Apache.
Ejemplo #1 Estableciendo una variable de entorno de Apache usando apache_setenv()
<?php
apache_setenv("VARIABLE_EJEMPLO", "Valor de ejemplo");
?>Nota:
apache_setenv() puede ser utilizado con apache_getenv() en páginas separadas o para establecer variables para pasar Server Side Includes (.shtml) que hayan sido incluidos en sprits PHP.
If you are using mod_gzip or mod_deflate to compress HTML output, you're not able to send partial file to the browser....To disable mod_deflate in PHP (if needed), you can tell Apache with this :apache_setenv('no-gzip', '1');If you set a variable, either new or existing, the corresponding $_SERVER variable is not changed, and you will have to change it as well.When you need to set the QUERY_STRING variable into a page included with the "virtual" function do this:virtual ("some_page.shtml?$QUERY_STRING");apache_setenv does not work for this case.When you want to set variables to pass to Server Side Includes (.shtml) included in PHP scripts, use this.