Build a multi-line address string with conditional components

Question

I had to make some changes to my app to work with a relationship change in my db.

Originally I had whats below for a 1::0-1 relationship

if ($model->address->AddressLine1) echo $model->address->AddressLine1.'<br />'; if ($model->address->AddressLine2) echo $model->address->AddressLine2.'<br />'; if ($model->address->city->Name) echo $model->address->city->Name; if ($model->address->city->regionCode->RegionCode) echo ', '.$model->address->city->regionCode->RegionCode;

but had to change it to work with a 1::0-n relationship

foreach ($model->address as $al1) foreach ($model->address as $al2) foreach ($model->address as $al2) foreach ($model->address as $city) foreach ($model->address as $region) { echo $al1->AddressLine1.' '.$al2->AddressLine2.'<br/>'.$city->city->Name.' '.$city->city->regionCode->RegionCode; }

I want to retain the functionality of the if in my original code. With the original code I was able to use

', '.

in

if ($model->address->city->regionCode->RegionCode) echo ', '. $model->address->city->regionCode->RegionCode;

to only add a comma after City only when a Region is present in the db.

So how can I get that back and utilize if within my array?

Jon Gauthier · Accepted Answer · 2011-07-13 05:07:41Z

You only need one foreach loop — you're just iterating through a single array.

You can stick the conditionals into the foreach loop, updating the variable name. This assumes that $model->address is an array. On each iteration $address will be set to a subsequent element of that array.

foreach ( $model->address as $address ) { if ($address->AddressLine1) echo $address->AddressLine1.'<br />'; if ($address->AddressLine2) echo $address->AddressLine2.'<br />'; if ($address->city->Name) echo $address->city->Name; if ($address->city->regionCode->RegionCode) echo ', '.$address->city->regionCode->RegionCode; }

For more information:

this looks like what I am after. This works with one address per item so I will add the multiple addresses per item and see if it completely fits the bill. Thanks for the help.

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