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Arrayzy
AbstractArray
containsKey
Arrayzy\AbstractArray::containsKey PHP Method
AbstractArray Class Documentation
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containsKey()
public
method
Check if the given key/index exists in the array.
public
containsKey
(
mixed
$key
) :
boolean
$key
mixed
Key/index to search for
return
boolean
Returns true if the given key/index exists in the array, false otherwise
public function containsKey($key) { return array_key_exists($key, $this->elements); }
AbstractArray
__construct
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chunk
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contains
containsKey
count
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createFromJson
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createFromString
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exists
filter
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intersectKey
isAssoc
isEmpty
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offsetExists
offsetGet
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