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Programming-Idioms

History of Idiom 51 > diff from v9 to v10

Edit summary for version 10 by :

Version 9

2015-08-21, 08:29:08

Version 10

2015-08-21, 23:24:36

Idiom #51 Check if map contains key

Determine whether map m contains an entry for key k

Idiom #51 Check if map contains key

Determine whether map m contains an entry for key k

Code
array_key_exists($k, $m)
Code
array_key_exists($k, $m)
Doc URL
http://php.net/manual/en/function.array-key-exists.php
Origin
http://php.net/manual/en/function.array-key-exists.php