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XMark
Guitar playin' black mage
Joined: 30 May 2002
Posts: 870
Location: New Westminster, BC, Canada
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 Posted: Tue May 22, 2007 10:35 pm Post subject: Dealing with sub-arrays |
[quote] |
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I'm working with an XML document in PHP, and the function that I'm using stores it into array format. The thing is, though. In this example.
| Code: |
<a>
<b>Some content</b>
</a>
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It would be stored in the array like:
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$array[a][b][value] = "Some content";
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However, in this case:
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<a>
<b>Some content</b>
<b>Some more content</b>
</a>
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It would be stored like:
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$array[a][b][0][value] = "Some content";
$array[a][b][1][value] = "Some more content";
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Let's say I want to access all of the b's, but I don't know whether there will be one or more b's in the document. How do I loop through the array in a way that accommodates for both storage methods?
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Mark Hall
Abstract Productions
I PLAYS THE MUSIC THAT MAKES THE PEOPLES FALL DOWN!
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cowgod
Wandering Minstrel
Joined: 22 Nov 2005
Posts: 114
Location: Pittsburgh, USA
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| Posted: Wed May 23, 2007 3:50 pm Post subject: |
[quote] |
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You might try using a foreach loop over $array[a][b], but I'm not sure how well that would work.
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XMark
Guitar playin' black mage
Joined: 30 May 2002
Posts: 870
Location: New Westminster, BC, Canada
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| Posted: Wed May 23, 2007 4:07 pm Post subject: |
[quote] |
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Yeah, that's what I'm doing but what ends up happening in case one is it looks into [value], while in the other case it looks at [0] and [1].
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Mark Hall
Abstract Productions
I PLAYS THE MUSIC THAT MAKES THE PEOPLES FALL DOWN!
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XMark
Guitar playin' black mage
Joined: 30 May 2002
Posts: 870
Location: New Westminster, BC, Canada
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| Posted: Wed May 23, 2007 5:07 pm Post subject: |
[quote] |
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Aha!
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if (isset($array['a']['b']['0'])) {
foreach ($array['a']['b'] as $var) {
dostuffwith ($var['value']);
}
}
else dostuffwith($array['a']['b']['value']);
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Mark Hall
Abstract Productions
I PLAYS THE MUSIC THAT MAKES THE PEOPLES FALL DOWN!
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Bjorn
Demon Hunter
Joined: 29 May 2002
Posts: 1425
Location: Germany
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| Posted: Sat Jun 02, 2007 9:13 pm Post subject: |
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I think I would prefer consistency, like even if there's only one element, still have it an array with the element at 0. Like "$array['a'][0]['b'][0]['value']" for your first example.
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