Can PHP Integer Hold a Million?

[00] 478,717 bytes

[01] 9
[02] 99
[03] 999
[04] 9,999
[05] 99,999
[06] 999,999
[07] 9,999,999
[08] 99,999,999
[09] 999,999,999
[10] 9,999,999,999
[11] 99,999,999,999
[12] 999,999,999,999
[13] 9,999,999,999,999
[14] 99,999,999,999,999
[15] 999,999,999,999,999
[16] 10,000,000,000,000,000
[17] 100,000,000,000,000,000
[18] 1,000,000,000,000,000,000
[19] 9,223,372,036,854,775,808
[20] 9,223,372,036,854,775,808
[21] 9,223,372,036,854,775,808
[22] 9,223,372,036,854,775,808
[23] 9,223,372,036,854,775,808
[24] 9,223,372,036,854,775,808
[25] 9,223,372,036,854,775,808
[26] 9,223,372,036,854,775,808
[27] 9,223,372,036,854,775,808
[28] 9,223,372,036,854,775,808
[29] 9,223,372,036,854,775,808
[00] 478,717 bytes

478k is a pretty big file for a html file.
But it's still much smaller that what PHP can hold in an integer variable.