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View Karm jeet singh 's Profile

PHP Constant

1.how will check whether one constant is already defined or not?
2.
Asked by Karm jeet singh | Nov 19, 2010 |  Reply now
Replies (1)
View teacher siliconindia 's Profile
Hi Karmjeet singh,

by using 'defined' function we can check whether one constant is already defined or not,

for example

if(defined(someconstant)) {
// do something when it is defined
}
else {
// do something else because it isn't
}
Nov 19, 2010

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