stream_context_set_default

    (PHP 5 >= 5.3.0, PHP 7, PHP 8)

    stream_context_set_default — Set the default stream context

    说明

    stream_context_set_default(array$options): resource

    Set the default stream context which will be used whenever file operations (fopen(), file_get_contents(), etc...) are called without a context parameter. Uses the same syntax as stream_context_create().

    参数

    options

    The options to set for the default context.

    注意:

    options must be an associative array of associative arrays in the format $arr['wrapper']['option'] = $value.

    返回值

    Returns the default stream context.

    示例

    示例 #1 stream_context_set_default() example

    <?php
    $default_opts     = array(
    'http'=>array(
    'method'=>"GET",
    'header'=>"Accept-language: en\r\n" .
    "Cookie: foo=bar",
    'proxy'=>"tcp://10.54.1.39:8000"
    )
    );

    $default = stream_context_set_default($default_opts);


    readfile('http://www.example.com');
    ?>

    参见

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