array_diff & array_diff_assoc区别

array_diff & array_diff_assoc区别测试

//array_diff & array_diff_assoc区别测试
echo 'array_diff & array_diff_assoc区别测试','<br />';

$a = array(0 => 'cat', 1 => 'dog', 2 => 'horse');
$b = array(3 => 'dog', 4 => 'horse', 5 => 'fish');
echo 'array_diff打印结果','<br />';
print_r(array_diff($a,$b));

echo '<br />';
echo '<br />';
echo 'array_diff_assoc打印结果','<br />';
print_r(array_diff_assoc($a,$b));

打印出来的结果是：

array_diff & array_diff_assoc区别测试
array_diff打印结果
Array ( [0] => cat ) 

array_diff_assoc打印结果
Array ( [0] => cat [1] => dog [2] => horse )