Bhola Meena's Tech Knowledge Backup
Sunday, February 9, 2014
PHP: How to check if key exists in array
php manual:
array_key_exists
(PHP 4 >= 4.0.7, PHP 5)
array_key_exists
—
Checks if the given key or index exists in the array
Description
¶
bool
array_key_exists
(
mixed
$key
,
array
$array
)
array_key_exists()
returns
TRUE
if the given
key
is set in the array.
key
can be any value possible for an array index.
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