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PHP查看当前变量类型的方法_PHP教程
- WBOYOriginal
- 2016-07-12 09:06:19776browse
PHP查看当前变量类型的方法
is_arrayis_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');
?>
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