RE: [PHP] Re: gloabl & reference behavior question?

On 22 July 2005 19:47, Surendra Singhi wrote: > I don't think it will make the code confusing, but the person looking > at the code should understand how reference and global variables > work. Using reference variables avoids unnecessary extra copying of > objects, and while > using large arrays it can make a big difference in speed. You shouldn't need to worry about this -- PHP tries to take care of it for you. When you copy an array value, PHP only does a "shallow" copy (of the array's address); if you later modify the array, this triggers a full "deep" copy of all the array's element values before the modification is done. Cheers! Mike --------------------------------------------------------------------- Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning & Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: m.ford@leedsmet.ac.uk Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 To view the terms under which this email is distributed, please go to http://disclaimer.leedsmet.ac.uk/email.htm