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howhow
Smarty Rookie
Joined: 10 Feb 2004
Posts: 6
Location: ShangHai.China
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 Posted: Wed Feb 18, 2004 2:33 am Post subject: the difference between assign and assign_by_ref? |
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i found some programs based smarty alway use "assign"and"assign_by_refer".I know that they both assign
variables to a template,but what's the difference between them?
what's the condition using assign and condition using assign_by_ref?
I am not sure about that.
Can someone show me a example about them ?thank in advance! |
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AZTEK
Smarty Pro
Joined: 16 Apr 2003
Posts: 235
Location: Purdue University
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| Posted: Wed Feb 18, 2004 10:50 am Post subject: |
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Never really used assign_by_ref but judging by the name I assume it assigns a reference to the variable not the actual value which means you can do something like | Code: | $blah = 1;
$smarty->assign_by_ref('blah', $blah);
$blah = 2;
$smarty->display('template.tpl'); |
and have a value of 2 in your template while assign would yield a value of 1.
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"Imagine a school with children that can read and write, but with teachers who cannot, and you have a metaphor of the Information Age in which we live." -Peter Cochrane |
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howhow
Smarty Rookie
Joined: 10 Feb 2004
Posts: 6
Location: ShangHai.China
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| Posted: Thu Feb 19, 2004 3:18 am Post subject: thanks |
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You mean that the value of the variable assigned by "assign_by_refer" can be changed before the template was displayed?
hmmm....I'll try it in my program..thanks |
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