PHP Split & join array into separate lines

Question

I've have the following arrays:

Array ( [0] => Array ( [0] => Bob 
                       [1] => Freddy 
                     ) 
        [1] => Array ( [0] => IT Dev 
                       [1] => Programmer 
                     ) 
        [2] => Array ( [0] => 123 
                       [1] => 23423 
                     ) 
      )

I'm trying to join the arrays together so it would look like the following:

Bob - IT Dev - 123

Freddy - Programmer - 23423

I've been messing with implode functions but in all reality I have no idea how to achieve this in PHP

Any help would be greatly appreciated.

Many thanks

Max

Webeng · Accepted Answer · 2016-05-07 23:50:12Z

1

If your array is called $myArray, then:

foreach ($myArray as $row)
{
  $string1 .= $row[0]."-";
  $string2 .= $row[1]."-";
}

echo $string1."<br>";
echo $string2."<br>";

answered May 7, 2016 at 23:50

Webeng

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3 Comments

Max Thorley Over a year ago

ACTUALLY what if there were more than 2 arrays e.g. [0],[1],[2],[3] etc... is there away to loop through them?

Webeng Over a year ago

would that be like 3 arrays inside 1 array? or 1 array inside 1 array inside 1 array? If you want, you can edit your answer with the new situation and ill take a look at it

Webeng Over a year ago

@MaxThorley oh and if this answer is the one that worked for you, please accept is (with a green checkmark) so that future users know it worked for you :)

Chin Leung · Accepted Answer · 2016-05-08 00:07:54Z

0

Let's say this is your array:

$array = array(
    array('Bob', 'Freddy'),
    array('IT Dev', 'Programmer'),
    array('123', '23423')
);

You'll have to loop through each array, to join them into a sentence.

$result = array();
foreach($array as $data){
    foreach($data as $index => $value){
        if(!isset($result[$index]))
            $result[$index] = $value;
        else
            $result[$index] .= " - " . $value;
    }
}

Now if you var_dump the $result:

array(2) {
    [0]=>
        string(18) "Bob - IT Dev - 123"
    [1]=>
        string(27) "Freddy - Programmer - 23423"
}

If you want to access an individual sentence, you can do:

echo $result[0]; // Bob - IT Dev - 123

answered May 8, 2016 at 0:07

Chin Leung

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Comments

Murad Hasan · Accepted Answer · 2016-05-08 01:19:52Z

0

Just use array_column and implode to get the output.

Array:

$arr = array(
    array('Bob', 'Freddy'),
    array('IT Dev', 'Programmer'),
    array('123', '23423')
);

mechanism:

echo implode(" - ", array_column($arr, 0)); //Bob - IT Dev - 123
echo implode(" - ", array_column($arr, 1)); //Freddy - Programmer - 23423

answered May 8, 2016 at 1:19

Murad Hasan

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Comments

mickmackusa · Accepted Answer · 2017-08-16 23:09:32Z

I have two solid methods for you. The first is a "variadic approach" (... splat operator) and the second is a classic foreach loop leveraging array_column().

Code: (Demo)

$array=[
    ['Bob','Freddy'],
    ['IT Dev','Programmer'],
    [123,23423]
];

// Use this to see that both methods are flexible and produce the same result,
// so long as all subarrays have equal length.
// If there are differences in length, depending where the hole is, the results
// between the two methods will vary slightly.
// (The 1st method best preserves the intended output structure.)
/*$array=[
    ['Bob','Freddy','Jane'],
    ['IT Dev','Programmer','Slacker'],
    [123,23423,0],
    ['more1','more2','more3']
];*/

// this one requires php5.6 or better
$imploded_columns=array_map(function(){return implode(' - ',func_get_args());},...$array);
var_export($imploded_columns);

echo "\n\n";
unset($imploded_columns);

// or you can go with a sub-php5.6 version:
foreach($array[0] as $k=>$v){
    $imploded_columns[]=implode(' - ',array_column($array,$k));
}
var_export($imploded_columns);

Output from both methods:

// variadic method
array (
  0 => 'Bob - IT Dev - 123',
  1 => 'Freddy - Programmer - 23423',
)

// foreach method
array (
  0 => 'Bob - IT Dev - 123',
  1 => 'Freddy - Programmer - 23423',
)

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