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the ? operator [message #5472]

Tue, 03 September 2002 22:58

JamesS

Messages: 275
Registered: July 2002
Location: Atlanta, GA

Karma: 0

Senior Member

i see this type of statement used quite often in the fudforum code:

$msg_subject = ( !preg_match('/^{TEMPLATE: reply_prefix}/i', $subj) ) ? '{TEMPLATE: reply_prefix}'.$subj : $subj;

since i am still fairly new to php (picking it rather quickly since it is quite a lot like C/C++) i dont quite understand this statement. what is being with the '?' here? also what is the ': $subj'?

(this is just a sample line from another thread on the board)

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Re: the ? operator [message #5473 is a reply to message #5472]

Tue, 03 September 2002 23:48

Ilia

Messages: 13241
Registered: January 2002

Karma: 0

Senior Member
Administrator
Core Developer

This is a more compact way of doing an if() { } else { } condition, which is used in C quite often.
The code you've shown, is indentical to:

if( !preg_match('/^{TEMPLATE: reply_prefix}/i', $subj) ) {
   $msg_subject = '{TEMPLATE: reply_prefix}'.$subj;
} else {
   $msg_subject = $subj;
}

FUDforum Core Developer

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Re: the ? operator [message #5477 is a reply to message #5472]

Wed, 04 September 2002 02:43

JamesS

Messages: 275
Registered: July 2002
Location: Atlanta, GA

Karma: 0

Senior Member

ok that makes much more sense than what i was thinking of

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