php change array format for url

Question

I have a weird project I'm working on. I'm totally new to php so it has been a struggle so far.

I have a form that gives an array and posts it:

...
return($keywords);
}

$keywordlist = explode("\r\n", $keywordlist);
foreach($keywordlist as $keyword){
print_r(mixer(strtolower($keyword)));
}

I get this:

Array ( [0] => one [1] => two [2] => three [3] => four [4] => five [5] => six [6] => ....

But would like it to come out like this instead:

%28one%2Ctwo%2Cthree%2Cfour%2Cfive%2Csix%29

Ultimately hope to be able to attach it to the end of a url like ask.com search:

"http://www.ask.com/web?q=(put my keywords here)"

then navigate there

In theory it would be like I typed "(one,two,three,four,five,six)" into the search bar and pressed enter.

Hopefully that makes some sense.

and use urlencode function to encode special characters such as &, ? and other characters to be used inside query strings. — Salman Arshad
– Salman Arshad, Commented May 25, 2011 at 8:46

Sjoerd · Accepted Answer · 2011-05-25 08:42:33Z

7

Something like this:

$commaSeparated = implode(',', $array);
$withParens = '(' + $commaSeparated + ')';
$urlEncoded = urlencode($withParens);
print $urlEncoded;

answered May 25, 2011 at 8:42

Sjoerd

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Comments

Andrew Jackman · Accepted Answer · 2011-05-25 08:41:21Z

3

Use the php implode() function.

So you could do this:

$array = new array ( [0] => one [1] => two [2] => three [3] => four [4] => five [5] => six );
$string = '%28'.implode( '%2C', $array ).'%29';

Now $string will be what you need

answered May 25, 2011 at 8:41

Andrew Jackman

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Comments

Yoa · Accepted Answer · 2011-05-25 08:47:27Z

2

This code:

$keywords = array('one', 'two', 'three');
$query = '(' . implode(',', $keywords) . ')';
echo('Search query: ' . $query . PHP_EOL);
$query = rawurlencode($query);
echo('Encoded: ' . $query . PHP_EOL);

Gives this output:

Search query: (one,two,three) Encoded: %28one%2Ctwo%2Cthree%29

answered May 25, 2011 at 8:47

Yoa

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Comments

Mick Hansen · Accepted Answer · 2011-05-25 08:42:35Z

2

$keywordlist = explode("\r\n", $keywordlist);    
array_walk($keywordlist, 'strtolower');
$keywords = '('.implode(",", $keywordList).')';

answered May 25, 2011 at 8:42

Mick Hansen

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inquam · Accepted Answer · 2011-05-25 08:44:37Z

2

print_ris what prints your array like this.

http://php.net/manual/en/function.print-r.php

How to solve it depends on a few things. What does mixer()do? And is the keywords always in lowercase? If mixer doens't do much and the keywords are in lowercase you could do something like:

$string = '%28' . implode('%2C', $keyword) . '%29';

If it's URL encoding you are after you could use the function url_encode instead of manually adding encoded values as above.

answered May 25, 2011 at 8:44

inquam

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NA. · Accepted Answer · 2011-05-25 08:48:47Z

2

Something like this?

$input = array('one', 'two', 'three');
$s = implode(',', $input);
$s = '('.$i.')';
print urlencode($s);

answered May 25, 2011 at 8:48

NA.

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Comments

Vadiklk · Accepted Answer · 2011-05-25 08:43:17Z

1

You could encode each part of the array using urlencode and then manually put it in your url (making a url string by yourself). http://php.net/manual/en/function.urlencode.php

Or you could use this function instead: http://php.net/manual/en/function.http-build-query.php

answered May 25, 2011 at 8:43

Vadiklk

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