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Web-PHP

PHP / apache_child_terminate — DevDocs

apache_child_terminate

(PHP 4 >= 4.0.5, PHP 5, PHP 7, PHP 8)

apache_child_terminate — Terminate apache process after this request

Description 

apache_child_terminate(): void

apache_child_terminate() will register the Apache process executing the current PHP request for termination once execution of PHP code is completed. It may be used to terminate a process after a script with high memory consumption has been run as memory will usually only be freed internally but not given back to the operating system.

Works in the Apache, and FastCGI webservers.

Parameters

This function has no parameters.

Return Values

No value is returned.

Notes

Note : This function is not implemented on Windows platforms.

See Also

  • exit() - Output a message and terminate the current script

PHP / apache_get_modules — DevDocs

apache_get_modules

(PHP 4 >= 4.3.2, PHP 5, PHP 7, PHP 8)

apache_get_modules — Get a list of loaded Apache modules

Description 

apache_get_modules(): array

Get a list of loaded Apache modules.

Parameters

This function has no parameters.

Return Values

An array of loaded Apache modules.

Examples

Example #1 apache_get_modules() example 

<?php
print_r(apache_get_modules());
?>

The above example will output something similar to: 

Array
(
    [0] => core
    [1] => http_core
    [2] => mod_so
    [3] => sapi_apache2
    [4] => mod_mime
    [5] => mod_rewrite
)
Read article

PHP / apache_get_version — DevDocs

apache_get_version

(PHP 4 >= 4.3.2, PHP 5, PHP 7, PHP 8)

apache_get_version — Fetch Apache version

Description 

apache_get_version(): string|false

Fetch the Apache version.

Parameters

This function has no parameters.

Return Values

Returns the Apache version on success or false on failure.

Examples

Example #1 apache_get_version() example 

<?php
$version = apache_get_version();
echo "$version\n";
?>

The above example will output something similar to: 

Apache/1.3.29 (Unix) PHP/4.3.4

See Also

  • phpinfo() - Outputs information about PHP's configuration
Read article

PHP / apache_getenv — DevDocs

apache_getenv

(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)

apache_getenv — Get an Apache subprocess_env variable

Description 

apache_getenv(string $variable, bool $walk_to_top = false): string|false

Retrieve an Apache environment variable specified by variable .

Parameters

variable

The Apache environment variable

walk_to_top

Whether to get the top-level variable available to all Apache layers.

Return Values

The value of the Apache environment variable on success, or false on failure

Examples

Example #1 apache_getenv() example

The example above shows how to retrieve the value of the Apache environment variable SERVER_ADDR . 

<?php
$ret = apache_getenv("SERVER_ADDR");
echo $ret;
?>

The above example will output something similar to: 

42.24.42.240

See Also

  • apache_setenv() - Set an Apache subprocess_env variable
  • getenv() - Gets the value of an environment variable
  • Superglobals
Read article

PHP / apache_lookup_uri — DevDocs

apache_lookup_uri

(PHP 4, PHP 5, PHP 7, PHP 8)

apache_lookup_uri — Perform a partial request for the specified URI and return all info about it

Description 

apache_lookup_uri(string $filename): object|false

This performs a partial request for a URI. It goes just far enough to obtain all the important information about the given resource.

This function is supported when PHP is installed as an Apache module webserver.

Parameters

filename

The filename (URI) that's being requested.

Return Values

An object of related URI information. The properties of this object are:

  • status
  • the_request
  • status_line
  • method
  • content_type
  • handler
  • uri
  • filename
  • path_info
  • args
  • boundary
  • no_cache
  • no_local_copy
  • allowed
  • send_bodyct
  • bytes_sent
  • byterange
  • clength
  • unparsed_uri
  • mtime
  • request_time

Returns false on failure.

Examples

Example #1 apache_lookup_uri() example 

<?php
$info = apache_lookup_uri('index.php?var=value');
print_r($info);

if (file_exists($info->filename)) {
    echo 'file exists!';
}
?>

The above example will output something similar to: 

stdClass Object
(
    [status] => 200
    [the_request] => GET /dir/file.php HTTP/1.1
    [method] => GET
    [mtime] => 0
    [clength] => 0
    [chunked] => 0
    [content_type] => application/x-httpd-php
    [no_cache] => 0
    [no_local_copy] => 1
    [unparsed_uri] => /dir/index.php?var=value
    [uri] => /dir/index.php
    [filename] => /home/htdocs/dir/index.php
    [args] => var=value
    [allowed] => 0
    [sent_bodyct] => 0
    [bytes_sent] => 0
    [request_time] => 1074282764
)
file exists!
Read article

PHP / apache_note — DevDocs

apache_note

(PHP 4, PHP 5, PHP 7, PHP 8)

apache_note — Get and set apache request notes

Description 

apache_note(string $note_name, ?string $note_value = null): string|false

This function is a wrapper for Apache's table_get and table_set . It edits the table of notes that exists during a request. The table's purpose is to allow Apache modules to communicate.

The main use for apache_note() is to pass information from one module to another within the same request.

Parameters

note_name

The name of the note.

note_value

The value of the note.

Return Values

If note_value is omitted or null , it returns the current value of note note_name . Otherwise, it sets the value of note note_name to note_value and returns the previous value of note note_name . If the note cannot be retrieved, false is returned.

Changelog

Version Description
8.0.0 note_value is nullable now.

Examples

Example #1 Passing information between PHP and Perl 

<?php

apache_note('name', 'Fredrik Ekengren');

// Call perl script
virtual("/perl/some_script.pl");

$result = apache_note("resultdata");
?>
# Get Apache request object
my $r = Apache->request()->main();

# Get passed data
my $name = $r->notes('name');

# some processing

# Pass result back to PHP
$r->notes('resultdata', $result);

Example #2 Logging values in access.log 

<?php

apache_note('sessionID', session_id());

?>
# "%{sessionID}n" can be used in the LogFormat directive

See Also

  • virtual() - Perform an Apache sub-request
Read article