<?php function colour() { $colors = array( "red", "green", "blue", "yellow" ); foreach ($colors as $value) { echo "$value " . ","; } } colour(); ?>12/25<?php function colour() { $colors = array( "red", "green", "blue", "yellow" ); foreach ($colors as $value) { echo "$value " . ","; } } colour(); ?>red,green,blue,yellow,green,blue,yellow,redred,blue,yellow,greenred,green,yellow,blueGiải thíchChọn đáp án A.