(PHP 4, PHP 5)
is_long — is_int() 的别名
此函数是 is_int() 的别名函数。
Mark Slemko (2010-04-21 09:57:28)
It should be noted here that 64 bit values need a 64-bit OS as they are converted on a 32 bit OS and are not stored as 64 bit values.