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Weird behaviour when adding values to associative arrays [message #177779]

Fri, 20 April 2012 21:06

JF
Messages: 2
Registered: April 2012

Karma:

Junior Member

I made a small example to show this really strange behaviour.
Basically, I have an array of 4 associative arrays declared like this:

$houses[] = array(
"metri" => "72",
"costo" => "700",
"note" => "Fourth item"
);

if, after declaring the arrays, I add a field to all records, like this:

$count = 0;
foreach ($houses as &$house) // note the ampersand
$house['id'] = $count++;

then one of the records is overwritten by another! Here is the weird
output:

http://www.geniorustico.eu/bug.php

Three values are showed, while in the source four different values are
listed. Here is the source:

http://www.geniorustico.eu/bug.php.txt

Finally, if I sort the array afterwards with usort and then print it, a
different record is overwritten! Seems like it is totally messed up.

Is it me? I shouldn't use that syntax? (found in a comment in php.net)

Thanks
Eugenio

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[Message index]

		Weird behaviour when adding values to associative arrays By: JF on Fri, 20 April 2012 21:06
		Re: Weird behaviour when adding values to associative arrays By: Michael Fesser on Fri, 20 April 2012 21:23
		Re: Weird behaviour when adding values to associative arrays By: JF on Fri, 20 April 2012 21:43

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