get_resources

(PHP 7)

get_resourcesReturns active resources

说锟斤拷

get_resources ([ string $type ] ) : array

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

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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.

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

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Example #1 Unfiltered get_resources()

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

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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'));
?>

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

锟轿硷拷

  • get_loaded_extensions() - 锟斤拷锟斤拷锟斤拷锟叫憋拷锟诫并锟斤拷锟斤拷模锟斤拷锟斤拷锟斤拷 array
  • get_defined_constants() - 锟斤拷锟斤拷锟斤拷锟叫筹拷锟斤拷锟侥癸拷锟斤拷锟斤拷锟介,锟斤拷锟角筹拷锟斤拷锟斤拷锟斤拷值锟角筹拷锟斤拷值
  • get_defined_functions() - 锟斤拷锟斤拷锟斤拷锟斤拷锟窖讹拷锟藉函锟斤拷锟斤拷锟斤拷锟斤拷
  • get_defined_vars() - 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟缴碉拷锟斤拷锟斤拷