PHP String Concat help needed

Question

I am new to PHP, And am creating a data string, which i have written like this.

$data = $product['id']. "/" . $product['name'] . "/" .$product['price'];

I don't know if there is another better way to create this String.

Hello. What do you feel as "worse" (wrt "better") in this way of doing things ? — Jerome WAGNER
– Jerome WAGNER, Commented Dec 22, 2010 at 9:35
you can also use single quotes: sematopia.com/2007/08/php-double-quotes-vs-single-quotes — Tobias
– Tobias, Commented Dec 22, 2010 at 9:38

Klaus Byskov Pedersen · Accepted Answer · 2010-12-22 09:35:53Z

4

It looks like a perfectly fine way to concatenate strings in php.

answered Dec 22, 2010 at 9:35

Klaus Byskov Pedersen

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Blagovest Buyukliev · Accepted Answer · 2010-12-22 09:55:18Z

2

PHP can interpolate array values inside double quotes if they are surrounded with {}:

$data = "{$product['id']}/{$product['name']}/{$product['price']}";

If you remove the quotes around the keys you don't need the curly braces and it will become even simpler:

$data = "$product[id]/$product[name]/$product[price]";

edited Dec 22, 2010 at 9:55

answered Dec 22, 2010 at 9:37

Blagovest Buyukliev

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3 Comments

softcr Over a year ago

I disagree on the readability. The OP solution is imho perfectly fine.

Māris Kiseļovs Over a year ago

This is much more readable: $data = "$product[id]/$product[name]/$product[price]";

Blagovest Buyukliev Over a year ago

@Maris: Wouldn't not enclosing the key in quotes lead to an E_NOTICE error?

Māris Kiseļovs · Accepted Answer · 2010-12-22 09:36:34Z

1

So simple task cannot be wrong. You can concatenate strings in any way you want.

I usually prefer same style as you wrote in your example.

answered Dec 22, 2010 at 9:36

Māris Kiseļovs

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cweiske · Accepted Answer · 2010-12-22 09:37:33Z

1

You could use sprintf for it, which has the advantage of giving a better overview:

sprintf('%d/%s/%f', $product['id'], $product['name'], $product['price']);

answered Dec 22, 2010 at 9:37

cweiske

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Dezigo · Accepted Answer · 2010-12-22 09:35:28Z

0

Other way:

$data  = "Name";
$date .= $product['id'];
$date .= "AND etc..";

answered Dec 22, 2010 at 9:35

Dezigo

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1 Comment

David Mårtensson Over a year ago

This is wors in a performance way and also wrong in that it will not create the same string as the example.

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