Re: Is "gd" present?

From: Date: Thu, 05 Jun 2003 12:23:25 +0000
Subject: Re: Is "gd" present?
References: 1  Groups: php.general 
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Thats true, but its more overhead calling a function than compare a variable. Thats why i want to calll the function only once. - Svein On Thursday 05 June 2003 14:03, Ford, Mike [LSS] wrote: > > -----Original Message----- > > From: Svein Larsen [mailto:svein@custompublish.com] > > Sent: 04 June 2003 16:22 > > > > $gd_loaded = (extension_loaded('gd'))?1:0; > > Well, this also fails the simple-as-possible test: if the value returned by > extension_loaded() can be used to drive the ?: operator, it must be > evaluable as a Boolean; this means you can use it directly for later use in > an if() or similar context: > > $gd_loaded = extension_loaded('gd'); > > (And, indeed, a quick look at the manual reveals that extension_loaded > returns a bool, which is exactly what you want without any further ado.) > > Cheers! > > Mike > > --------------------------------------------------------------------- > Mike Ford, Electronic Information Services Adviser, > Learning Support Services, Learning & Information Services, > JG125, James Graham Building, Leeds Metropolitan University, > Beckett Park, LEEDS, LS6 3QS, United Kingdom > Email: m.ford@lmu.ac.uk > Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211

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