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TirednBurntOut
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Joined: 21 Nov 2014
Posts: 24
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 Posted: Sun Mar 15, 2015 8:41 pm Post subject: Get array contents with no key |
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Have inherited some software that gives me an array with one item. A live @var_dump looks something like this:
array(1) {[697]=>string(42) "category name goes here"}
The array name is Category. So if I do Category[0], or Category[1], I get nada, zip. I do get the category name wanted if I do Category[697].
Unfortunately, I dont really know what that 697 will be during the live execution. I do know that the 697 is an index key to identify the category in a table. I dont need the key, I just need to retrieve the category name out of the array. Also, I am very curious as to how the array index got to be 697. I would understand a text "697" as an index name.
To summarize the problem - the index number is not starting at 0 as usual. The index number is being set programmatically, so I will never know what it is. In the example I gave, it happened to be 697. But I would still like to retrieve the contents of the single array element, which will be a category name.
Last edited by TirednBurntOut on Mon Mar 16, 2015 12:34 am; edited 1 time in total |
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AnrDaemon
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TirednBurntOut
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Joined: 21 Nov 2014
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| Posted: Sun Mar 15, 2015 10:39 pm Post subject: |
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| AnrDaemon wrote: | | http://php.net/array-shift |
Thanks for the input. Upon first consideration, I dont know if that helps, so I will have to think about it. At the point I have this array, I am in the template, so PHP is not readily available, as I understand it. |
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U.Tews
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Joined: 22 Nov 2006
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Location: Hamburg / Germany
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| Posted: Sun Mar 15, 2015 11:49 pm Post subject: |
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PHP functions are available in templates as long as they are not disabled by Security.
| AnrDaemon wrote: | | http://php.net/array-shift |
array_shift() is a bad solution as it removes elements from the array.
use http://php.net/manual/en/function.reset.php
Example
| Code: | | {$first = reset($foo)} |
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TirednBurntOut
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| Posted: Mon Mar 16, 2015 12:29 am Post subject: |
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[quote="U.Tews"]PHP functions are available in templates as long as they are not disabled by Security.
Thats news to me...thanks. |
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TirednBurntOut
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Joined: 21 Nov 2014
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| Posted: Mon Mar 16, 2015 12:31 am Post subject: |
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use http://php.net/manual/en/function.reset.php
Example
| Code: | | {$first = reset($foo)} |
[/quote]
That still does not give me contents of the array. It only had one element to begin with. The problem is, the index number is not starting at 0 as usual. The index number is being set programmatically, so I will never know what it is. In the example I gave, it happened to be 697. |
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AnrDaemon
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| Posted: Mon Mar 16, 2015 12:45 am Post subject: |
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How'd reset help? He don't know, what the array index. And he know that there's only one element in the array.
I see no problem in retrieving the only elemnt from the array.
And preferable do it before assigning the variable to template. |
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U.Tews
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Joined: 22 Nov 2006
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Location: Hamburg / Germany
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| Posted: Mon Mar 16, 2015 1:14 am Post subject: |
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| TirednBurntOut wrote: | use http://php.net/manual/en/function.reset.php
Example
| Code: | | {$first = reset($foo)} |
That still does not give me contents of the array. It only had one element to begin with. The problem is, the index number is not starting at 0 as usual. The index number is being set programmatically, so I will never know what it is. In the example I gave, it happened to be 697. |
reset() does return the content of the first arrayelement independent from it's index.
| Code: | | {$first = reset($foo)} |
Template variable $first will contain the content of the first element of array $foo.
In your case "category name goes here" |
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TirednBurntOut
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Joined: 21 Nov 2014
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| Posted: Mon Mar 16, 2015 1:17 am Post subject: |
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| AnrDaemon wrote: |
I see no problem in retrieving the only elemnt from the array.
And preferable do it before assigning the variable to template. |
See, its not a perfect world. I am trying to mod some world-class lousy spaghetti code - SmartJobBoard (spit) - it has a horrendous schema that I dont want to mess with. (wanna talk about H.A.T.I.N.G) Here I have the information, I can see it in a var_dump. I just need to access it. Somehow, they've bastardized the use of the array index, which should simply be zero. If it was zero, no problem. |
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TirednBurntOut
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| Posted: Mon Mar 16, 2015 1:34 am Post subject: |
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| U.Tews wrote: |
reset() does return the content of the first arrayelement independent from it's index.
| Code: | | {$first = reset($foo)} |
Template variable $first will contain the content of the first element of array $foo.
In your case "category name goes here" |
Hmmm...not working for me...here is the code out of the template
{$first = reset($listing.Category)}
{$first} {* doesnt display anything *}
Perhaps because Category is nested? |
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U.Tews
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| Posted: Mon Mar 16, 2015 1:52 am Post subject: |
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| TirednBurntOut wrote: |
Hmmm...not working for me...here is the code out of the template
{$first = reset($listing.Category)}
{$first} {* doesnt display anything *}
Perhaps because Category is nested? |
If $listing.Category is an array it does work.
Test
| Code: | {$test['Category'][697] = "category name goes here"}
{$first = reset($test.Category)}
{$first} |
Returns expected result |
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TirednBurntOut
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Joined: 21 Nov 2014
Posts: 24
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| Posted: Mon Mar 16, 2015 2:13 am Post subject: |
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| U.Tews wrote: |
If $listing.Category is an array it does work.
Test
| Code: | {$test['Category'][697] = "category name goes here"}
{$first = reset($test.Category)}
{$first} |
Returns expected result |
Tried it, no go.
Got a fatal syntax error: unrecognized tag: $test['Category'][697] = "category name goes here"
This system is Smarty 2.6.14
Would that make a difference? |
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U.Tews
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Location: Hamburg / Germany
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| Posted: Mon Mar 16, 2015 3:54 am Post subject: |
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Okay Smarty2 does not accept most of the examples above.
you must use reset as modifier.
| Code: | {assign var=first value=$listing.Category|@reset}
{$first}
or
{$listing.Category|@reset}
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TirednBurntOut
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Joined: 21 Nov 2014
Posts: 24
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| Posted: Mon Mar 16, 2015 1:37 pm Post subject: |
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| U.Tews wrote: | Okay Smarty2 does not accept most of the examples above.
you must use reset as modifier.
| Code: | {assign var=first value=$listing.Category|@reset}
{$first}
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Worked! Thanks much... |
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