Adding an array to an array in PHP [duplicate]

Question

used php for a while but cannot get what is going on here! I've tried array_merge() and array_push() on an array to be able to add arrays to an array of existing arrays.

For example, to be able to add x and y into the same array using a loop:

$x = [x, y, z];
$y = [a, b, c];

$goal = [[x, y, z], [a,b,c]];

Feel like I am so dinged up on this problem I am missing something really obvious! I've tried all of the following but have had nothing work.

$intermediate = array([x,y,z];;
$goal = array($goal, $intermediate)

$goal[$i] = $intermediate;

$goal[$i][$j] = $raw[i][j]; // lets say raw is where elements come from

From what I have seen this is an indexed array that is multidimensional but I am completely stuck as I have been working it for hours! Any help appreciated!

[EDIT] Essentially I am trying to push into Google sheets and it accepts input of the form [[$val1], [$val2]] for an insertion for two columns and of the form [[$val1, $val2]] for an insertion into a row.

I have a 2d array, where each array will be a separate row but it doesn't seem to be working. I am updating $goal to $goal = [$goal, $intermediates] but it doesn't seem to work - it only keeps the first line.

My goal is to push content of the form [[$val1,$val2],[$val3,$val4]] but it only inserts the [$val1,$val2] part.

$goal = [];
for ($i = 0; $i < count( $info) ; $i++){
  $value1 = $info[$i][0]; // fname
  $value2 = $info[$i][1]; // lname
  $value3 = $info[$i][2]; // age

  $person =[$value1, $value2, $value3];


  $goal = [$goal, $person];
 
}

I have also tried with the array() version rather than the square brackets.

$goal = [$x, $y]; ? Please provide an actual example of input/output, as I'm unsure what that second snippet is trying to achieve. — Jeto
– Jeto, Commented Aug 24, 2020 at 18:19

Nicolas · Accepted Answer · 2020-08-25 11:33:39Z

2

You could either, store the array into variables and create a new array from both :

$array1 = ['a', 'b', 'c'];
$array2 = ['x', 'y', 'z'];

$outputArray = [$array1, $array2];

Or build it using the [] operator.

$outputArray = [];
$outputArray[] = ['a', 'b', 'c'];
$outputArray[] = ['x', 'y', 'z'];

It seams to be working fine both ways

EDIT With your new addition, you were very close. What you need is to use the [] operator on the $goal array. This operator adds another element to an array. In our case, we want to add $person, since it's the newly created row.

$goal = [];
for ($i = 0; $i < count($info) ; $i++){
    
  $value1 = $info[$i][0]; // fname
  $value2 = $info[$i][1]; // lname
  $value3 = $info[$i][2]; // age

  $person =[$value1, $value2, $value3];


  $goal[] = $person;
 
}

You can use this playground to checkout a working example.

edited Aug 25, 2020 at 11:33

answered Aug 24, 2020 at 18:23

Nicolas

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2 Comments

NewAppDeveloper Over a year ago

Thanks, this is what I am looking for but it doesn't seem to be working. I updated my question to be a little more specific : )

Nicolas Over a year ago

@NewAppDeveloper I've updated my answer according to the new data you've provided. I Hope it solve your problem !

Slava Rozhnev · Accepted Answer · 2020-09-08 18:27:30Z

0

Just use array_push function:

<?php
$x = ['x', 'y', 'z'];
$y = ['a', 'b', 'c'];

$goal = [];

array_push($goal, $x, $y);

print_r($goal);

Here you can play this PHP code

answered Sep 8, 2020 at 18:27

Slava Rozhnev

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