php 한글 메뉴얼 도움말 검색 사이트 Returns active resources [function.get-resources]

array get_resources ([ string $type ] )

Returns an array of all currently active resources, optionally filtered by resource type.

type

If defined, this will cause get_resources() to only return resources of the given type. A list of resource types is available.

If the string Unknown is provided as the type, then only resources that are of an unknown type will be returned.

If omitted, all resources will be returned.

Returns an array of currently active resources, indexed by resource number.

Example #1 Unfiltered get_resources()


<?php
$fp = tmpfile();
var_dump(get_resources());
?>

위 예제의 출력 예시:

array(1) {
  [1]=>
  resource(1) of type (stream)
}

Example #2 Filtered get_resources()


<?php
$fp = tmpfile();
var_dump(get_resources('stream'));
var_dump(get_resources('curl'));
?>

위 예제의 출력 예시:

array(1) {
  [1]=>
  resource(1) of type (stream)
}
array(0) {
}