- print_r: documentation ( source)
- array_filter: documentation ( source)
<?php
$petr=array(1,2,4,5,6,8,4,7,5,6,3);
function bazar($cyfr){
return ($cyfr & 4);
}
$petr_fil=array_filter($petr, bazar);
print_r($petr);
print_r($petr_fil);
print_r(bazar(6));