Reference - Parms functions - count

[{echo php:implode(' ', sequence:sum(1, 2, 3))}][{echo php:implode(' ', sequence:sort(3, 1, 2))}][{echo php:implode(' ', sequence:count(1, 2, 3))}][{echo php:implode(' ', sequence:average(2, 4))}][{echo php:implode(' ', sequence:median(1, 2, 3))}][{echo php:implode(' ', action:sum(1, 2, 3))}][{echo php:implode(' ', sequence:first(5, 2))}]

{sequence '5;10;15;20',  name='q1'}
{sequence '15;20;25;30', name='q2'}
{sequence '15;20',       name='q3'}

{if q3 eq sequence:intersection ( q1,           q2            )} ok @else@ nok {/if}
{if q3 eq sequence:intersection ( q1,           [15,20,25,30] )} ok @else@ nok {/if}
{if q3 eq sequence:intersection ( [5,10,15,20], q2            )} ok @else@ nok {/if}
{if q3 eq sequence:intersection ( [5,10,15,20], [15,20,25,30] )} ok @else@ nok {/if}

{if q3 ne sequence:intersection ( q1,           q2            )} nok @else@ ok {/if}
{if q3 ne sequence:intersection ( q1,           [15,20,25,30] )} nok @else@ ok {/if}
{if q3 ne sequence:intersection ( [5,10,15,20], q2            )} nok @else@ ok {/if}
{if q3 ne sequence:intersection ( [5,10,15,20], [15,20,25,30] )} nok @else@ ok {/if}

<hr>

{sequence '3..5', name='abc'}

{if 4 in abc }  ok @else@ nok {/if}
{if 6 in abc } nok @else@  ok {/if}

<hr>

{if 3 eq sequence:count(abc)}  ok @else@ nok {/if}
{if sequence:count(abc) eq 4} nok @else@  ok {/if}

<hr>

{if 3 in sequence:count(abc)}  ok @else@ nok {/if}
{if 4 in sequence:count(abc)} nok @else@  ok {/if}

{sequence '8..10', name='q1'}
{sequence '1..10', name='q2'}

<hr>

{if q1 eq sequence:last(q2,3)}  ok @else@ nok {/if}
{if q1 ne sequence:last(q2,3)} nok @else@  ok {/if}

<hr>

{if [9,10] ne sequence:last ( q2,      2) } nok @else@  ok {/if}
{if [8,9]  eq sequence:last ( [7,8,9], 2) }  ok @else@ nok {/if}