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{array.key.exist(String | Int $key, Array $array)}
{array.key.exist()}
returns true
if the given key is set in the array.
key can be any value possible for an array index.
Returns
true
on success orfalse
on failure.
https://www.php.net/manual/en/function.array-key-exists.php
Last modified: 2021-06-07
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