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set_include_path

set_include_path

(PHP 4 >= 4.3.0, PHP 5)

set_include_pathSets the include_path configuration option

说明

string set_include_path ( string $new_include_path )

Sets the include_path configuration option for the duration of the script.

参数

new_include_path

The new value for the include_path

返回值

Returns the old include_path on success 或者在失败时返回 FALSE.

范例

Example #1 set_include_path() example

<?php
// Works as of PHP 4.3.0
set_include_path('/usr/lib/pear');

// Works in all PHP versions
ini_set('include_path''/usr/lib/pear');
?>

Example #2 Adding to the include path

Making use of the PATH_SEPARATOR constant, it is possible to extend the include path regardless of the operating system.

In this example we add /usr/lib/pear to the end of the existing include_path.

<?php
$path 
'/usr/lib/pear';
set_include_path(get_include_path() . PATH_SEPARATOR $path);
?>

参见


  • assert
  • assert_options
  • dl
  • extension_loaded
  • gc_collect_cycles
  • gc_disable
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  • gc_enabled
  • getenv
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  • getrusage
  • get_cfg_var
  • get_current_user
  • get_defined_constants
  • get_extension_funcs
  • get_included_files
  • get_include_path
  • get_loaded_extensions
  • get_magic_quotes_gpc
  • get_magic_quotes_runtime
  • get_required_files
  • ini_alter
  • ini_get
  • ini_get_all
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  • main
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  • php_sapi_name
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  • putenv
  • restore_include_path
  • set_include_path
  • set_magic_quotes_runtime
  • set_time_limit
  • sys_get_temp_dir
  • version_compare
  • zend_logo_guid
  • zend_thread_id
  • zend_version
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