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  » fopen()
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(PHP 3 >= 3.0.13, PHP 4, PHP 5)

imap_utf8 --  Converts MIME-encoded text to UTF-8

Description

string imap_utf8 ( string mime_encoded_text )

Converts the given mime_encoded_text to UTF-8. MIME encoding method and the UTF-8 specification are described in RFC2047 and RFC2044 respectively.

LVI. PHP Options&Information

Introduction

This functions enable you to get a lot of information about PHP itself, e.g. runtime configuration, loaded extensions, version and much more. You'll also find functions to set options for your running PHP. The probably best known function of PHP - phpinfo() - can be found here.

Requirements

No external libraries are needed to build this extension.

Installation

There is no installation needed to use these functions; they are part of the PHP core.

Runtime Configuration

The behaviour of these functions is affected by settings in php.ini .

Table 1. PHP Options/Inf Configuration Options

Name Default Changeable Changelog assert.active "1" PHP_INI_ALL   assert.bail "0" PHP_INI_ALL   assert.warning "1" PHP_INI_ALL   assert.callback NULL PHP_INI_ALL   assert.quiet_eval "0" PHP_INI_ALL   enable_dl "1" PHP_INI_SYSTEM   max_execution_time "30" PHP_INI_ALL   max_input_time "-1" PHP_INI_PERDIR Available since PHP 4.3.0. magic_quotes_gpc "1" PHP_INI_PERDIR PHP_INI_ALL in PHP <= 4.2.3. magic_quotes_runtime "0" PHP_INI_ALL   For further details and definitions of the PHP_INI_* constants, see the Appendix H .

Here's a short explanation of the configuration directives.

assert.active boolean

Enable assert() evaluation.

assert.bail boolean

Terminate script execution on failed assertions.

assert.warning boolean

Issue a PHP warning for each failed assertion.

assert.callback string

user function to call on failed assertions

assert.quiet_eval boolean

Use the current setting of error_reporting() during assertion expression evaluation. If enabled, no errors are shown (implicit error_reporting(0)) while evaluation. If disabled, errors are shown according to the settings of error_reporting()

enable_dl boolean

This directive is really only useful in the Apache module version of PHP. You can turn dynamic loading of PHP extensions with dl() on and off per virtual server or per directory.

The main reason for turning dynamic loading off is security. With dynamic loading, it's possible to ignore all open_basedir restrictions. The default is to allow dynamic loading, except when using safe mode . In safe mode , it's always impossible to use dl() .

max_execution_time integer

This sets the maximum time in seconds a script is allowed to run before it is terminated by the parser. This helps prevent poorly written scripts from tying up the server. The default setting is 30 .

The maximum execution time is not affected by system calls, stream operations etc. Please see the set_time_limit() function for more details.

You can not change this setting with ini_set() when running in safe mode . The only workaround is to turn off safe mode or by changing the time limit in the php.ini .

Your webserver can have other timeouts. E.g. Apache has Timeout directive, IIS has CGI timeout function, both default to 300 seconds. See the webserver documentation for meaning of it.

max_input_time integer

This sets the maximum time in seconds a script is allowed to receive input data, like POST, GET and file uploads.

magic_quotes_gpc boolean

Sets the magic_quotes state for GPC (Get/Post/Cookie) operations. When magic_quotes are on, all ' (single-quote), " (double quote), \ (backslash) and NUL's are escaped with a backslash automatically.

Related Function(s)

phpinfo()

assert()

error_reporting()

dl()

set_time_limit()

ini_set()

get_magic_quotes_gpc()

phpcredits()

ini_get()

assert_options()

extension_loaded()

get_cfg_var()

get_current_user()

get_defined_constants()

get_extension_funcs()

get_include_path()

get_included_files()

get_loaded_extensions()

get_magic_quotes_runtime()

get_required_files()

getenv()

getlastmod()

getmygid()

getmyinode()

getmypid()

getmyuid()

getopt()

getrusage()

ini_alter()

ini_get_all()

ini_restore()

main()

memory_get_usage()

php_ini_scanned_files()

php_logo_guid()

php_sapi_name()

php_uname()

phpversion()

putenv()

restore_include_path()

set_include_path()

set_magic_quotes_runtime()

version_compare()

zend_logo_guid()

zend_version()