下列代码的输出是
<?php $x=array("aaa","ttt","www","ttt","yyy","tttt"); $y=array_count_values($x); echo $y["ttt"]; ?>
Array ( [aaa] => 1 [ttt] => 2 [www] => 1 [yyy] => 1 [tttt] => 1 )
echo $y["ttt"];//值为2
array array_count_values ( array $array )
<?php $array = array(1, "hello", 1, "world", "hello"); print_r(array_count_values($array)); ?> 输出结果:Array ( [1] => 2 [hello] => 2 [world] => 1 )