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PHP查看当前变量类型的方法

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Release： 2016-06-13 08:52:21
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PHP查看当前变量类型的方法

is_array

is_bool

is_callable

is_double

is_float

is_int

is_integer

is_long

is_null

is_numeric

is_object

is_real

is_resource

is_scalar

is_string

 

列子：

 

$sum=6;

echo ( is_string($sum) ? 'true' : 'false');

 

?>

Related labels：
variable method type
source：php.cn
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