php check if a value exists in array

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PHPin_array()The function checks whether a certain value exists in the array. If it exists, it returnsTRUE, otherwise it returnsFALSE.

Syntax:

bool in_array( mixed needle, array array [, bool strict] )

Parameter description:

Example:

Character a exists in $arr_a array Strictly checked example:

Character 1 in $ Example of array as needle does not exist in arr_a array:

array$arr_bexists in$arr_aarray

PHPin_array()The function checks whether a certain value exists in the array. If it exists, it returnsTRUE, otherwise it returnsFALSE.

Syntax:

bool in_array( mixed needle, array array [, bool strict] )

Parameter description:

Example:

Character a exists in the $arr_a array Strictly checked example:

Character 1 in $ Example of array as needle does not exist in arr_a array:

array$arr_bexists in$arr_aarray

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