PHP: How to convert array to string

Question

I've a PHP server with a log table in my MySQL database. When users connect to my server, I would like to store all the $_POST and $_GET variables into the log entry. The two variables is an array. Is there an easy way in PHP to convert these arrays to a string representation suitable for storing in my mySQL database?

As far as I know implode() is just for one-dimensional arrays. Maybe json_encode() would be a good way to go?

Amber · Accepted Answer · 2011-12-31 09:02:13Z

4

json_encode() would work fine and be fairly compact, thus saving you space over some other more verbose alternatives.

answered Dec 31, 2011 at 9:02

Amber

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konsolenfreddy · Accepted Answer · 2011-12-31 09:02:21Z

2

You can use serialize()/unserialize()

see PHP.net

answered Dec 31, 2011 at 9:02

konsolenfreddy

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2 Comments

dhrm Over a year ago

Thanks for the info. But I think json_encode() is more suitable in this case, as it is more compact.

Dan Lugg Over a year ago

@DennisMadsen -- Compactness aside, it is certainly more portable.

Francois · Accepted Answer · 2011-12-31 09:02:04Z

0

you can try with print_r($myTab).

Example (http://php.net/manual/fr/function.print-r.php):

<?php
$a = array ('a' => 'apple', 'b' => 'banana', 'c' => array ('x', 'y', 'z'));
print_r ($a);
?>

gives

Array
(
    [a] => apple
    [b] => banana
    [c] => Array
        (
            [0] => x
            [1] => y
            [2] => z
        )
)

answered Dec 31, 2011 at 9:02

Francois

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1 Comment

Dan Lugg Over a year ago

You'd want to pass the second argument to print_r(), forcing return over output; $string = print_r($array, true);

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