In array
in_array — test if value is contained in an array or not in an array.
Basic Usage:{if in_array('value2', $myarray)} value2 is in myarray{/if}Using by operator is in
{if 'value2' is in $myarray}value2 is in myarray{/if}{if !in_array('value2', $myarray)} value2 is in myarray{/if}Using by operator is not in
{if 'value2' is not in $myarray}value2 is not in myarray{/if}