<?php
function odd ( $var )
{
// returns whether the input integer is odd
return( $var & 1 );
}
function even ( $var )
{
// returns whether the input integer is even
return(!( $var & 1 ));
}
$array1 = array( "a" => 1 , "b" => 2 , "c" => 3 , "d" => 4 , "e" => 5 );
$array2 = array( 6 , 7 , 8 , 9 , 10 , 11 , 12 );
echo "Odd :\n" ;
print_r ( array_filter ( $array1 , "odd" ));
echo "Even:\n" ;
print_r ( array_filter ( $array2 , "even" ));
$input = array( "Neo" , "Morpheus" , "Trinity" , "Cypher" , "Tank" );
$rand_keys = array_rand ( $input , 2 );
echo $input [ $rand_keys [ 0 ]] . "\n" ;
echo $input [ $rand_keys [ 1 ]] . "\n" ;
preferences:
30.02 ms | 402 KiB | 5 Q