PHP Explode , adding variables to URL

Question

Ive used explode on a user input variable to get an array of search terms. These search terms need to be added to the end of a URL in the following style = www.example.com/$search[0]%20$search[1]

However, I dont know how many search terms theres going to be, eg there could be 5, or there could be 1, and if I add 5 search[] variables to the end and the user inputs 1 search term, I get 4 errors for the missing variables.

Any ideas how I can solve this problem?

Thanks.

implode()?

j08691
– j08691

2012-02-07 22:13:38 +00:00
Commented Feb 7, 2012 at 22:13 — j08691
– j08691, Commented Feb 7, 2012 at 22:13

Niet the Dark Absol · Accepted Answer · 2012-02-07 22:12:01Z

2

The opposite of explode is implode. Use that.

answered Feb 7, 2012 at 22:12

Niet the Dark Absol

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Grexis · Accepted Answer · 2012-02-07 22:12:29Z

1

$url .= implode("%20", $search);

That's really all there is to it.

answered Feb 7, 2012 at 22:12

Grexis

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BigFatBaby · Accepted Answer · 2012-02-07 22:13:20Z

1

use the implode function with %20 as the delimiter, and your params array as the data.

this will return a string that consists of all the array values concatenated with %20 in between them

answered Feb 7, 2012 at 22:13

BigFatBaby

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bummzack · Accepted Answer · 2012-02-07 22:13:28Z

1

PHP already comes with a handy function to build query strings.. look up http_build_query

answered Feb 7, 2012 at 22:13

bummzack

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iblue · Accepted Answer · 2012-02-07 22:11:50Z

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Use isset() to check if the variable exists. It also works on arrays. See the manual: http://www.php.net/manual/en/function.isset.php

answered Feb 7, 2012 at 22:11

iblue

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