PHP Variable stat check table

begin:vcard
fn:Suyash Jain
n:Jain;Suyash
org:Net4India Ltd.;Network Operations
adr:Infantry Road;;1st Floor,Empire Infantry,No.29;Bangalore;Karnataka;560080;INDIA
email;internet:suyash.j@net4.in
title:Asst. Manager
tel;work:08041130404
tel;fax:08041276604
tel;cell:9844643008
note;quoted-printable:24x7 Support=0D=0A=
=0D=0A=

x-mozilla-html:TRUE
url:http://www.net4.in
version:2.1
end:vcard

TEST	Not Set	NULL	Zero	FALSE	Numeric Value	Empty String
Comparison Table
isset()	bool(false)	bool(false)	bool(true)	bool(true)	bool(true)	bool(true)
empty()	bool(true)	bool(true)	bool(true)	bool(true)	bool(false)	bool(true)
is_null()	bool(true)	bool(true)	bool(false)	bool(false)	bool(false)	bool(false)
==	bool(true)	bool(true)	bool(true)	bool(true)	bool(false)	bool(true)
===	bool(false)	bool(false)	bool(false)	bool(true)	bool(false)	bool(false)

--

Thanks & Regards

Suyash Jain
Asst. Manager-Network Operations
Net4India Ltd.
No. 29 (Old No. 10), First Floor,
Empire Infantry, Infantry Road,
Bangalore - 560 001
INDIA

  + 91-80- 41130404  / Direct + 91-80-40800405
  + 91-80- 4127 6604
   +91-9844643008
  http://www.net4.in
BS/ISO/IEC 27001 Certified Company/ ISO 9001
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