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<?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" ));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Odd : Array ( [a] => 1 [c] => 3 [e] => 5 ) Even: Array ( [0] => 6 [2] => 8 [4] => 10 [6] => 12 )
preferences:
225.57 ms | 406 KiB | 360 Q