php判断是否为数组程序代码
在php中判断是否为数组很简单,php中利用is_array() 函数就可以快速判断变量是否为数组了,下面我来给大家介绍。
is_array — 检测变量是否是数组
Report a bug 描述
bool is_array ( mixed $var )
如果 var 是 array,则返回 TRUE,否则返回 FALSE。
例
代码如下 | 复制代码 |
$a =1; if( is_array( $a ) ) |
例
代码如下 | 复制代码 |
function is_vector( &$array ) { |
判断是否索引数组的方法
echo is_assoc($array)?'索引数组':'不是索引数组';
代码如下 | 复制代码 |
function is_assoc($array) { |

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