Combine one value from an array to all the values of another array php

Question

For the building of a url query I need to combine one value(key) of an array to all the values(value) of another array. Each combined key => value needs to be added to an array.

The problem here is that I can combine the values of the two arrays in two foreach statements, but it creates for every instance a new array.

Update Having duplicates is impossible so mine initial output is correct.

$array1 array(

[0] => music

[1] => product

)

$array2 array(

[0] => '));waitfor delay '0:0:TIME'--1

[1] => '[TAB]or[TAB]sleep(TIME)='

)

public static function create_combined_array($array1, $array2)
{
    $newArray = array();

    foreach ($array1 as $key){

      //key = [music]

      foreach ($array2 as $value) {

        //one of the values is = '));waitfor delay '0:0:__TIME__'--1

        array_push($newArray, [$key => $value]);

       }
    }


    return $newArray;
}

Implementation

$query_array = Utils::create_combined_array($params, $payload_lines);
print_r($query_array);

$query = http_build_query($query_array);

$this->url = $baseUrl . '?' . $query;

Build query output

protocol://localhost:8000?music='));waitfor delay '0:0:TIME'--1

Sample output

    [54] => Array
        (
            [music] => ));waitfor delay '0:0:__TIME__'--[LF]1

        )

    [55] => Array
        (
            [music] => '));waitfor delay '0:0:__TIME__'--1

        )

    [56] => Array
        (
            [music] => '));waitfor delay '0:0:__TIME__'--[LF]1

        )

    [57] => Array
        (
            [music] => "));waitfor delay '0:0:__TIME__'--1

        )

What I wanted to achieve is impossible in PHP.

Example duplicates

Array(

  [music] => "));waitfor delay '0:0:__TIME__'--1
  [music] => '/**/or/**/benchmark(10000000,MD5(1))#1

)

@AnkitSingh for each value in array1 put all values from value 2 in it — melkawakibi
– melkawakibi, Commented Jul 27, 2017 at 12:00
@Cr1xus The solution gives me this as output [music] => Array ( [0] => sleep(__TIME__) [1] => 1 or sleep(__TIME__)#1 ) — melkawakibi
– melkawakibi, Commented Jul 27, 2017 at 12:06

Albert221 · Accepted Answer · 2017-07-27 12:16:19Z

1

Use code below:

public static function create_combined_array($array1, $array2)
{
    $newArray = array();

    foreach ($array1 as $key){
        foreach ($array2 as $i => $value) {
            $newArray[$i][$key] = $value;
         }
    }

    return $newArray;
}

The key line is $newArray[$i][$key] = $value;. It appends an array to the $newArray at $i index which is the index of your second array $array2.

edited Jul 27, 2017 at 12:16

answered Jul 27, 2017 at 12:08

Albert221

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11 Comments

melkawakibi Over a year ago

Yup, Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW)

melkawakibi Over a year ago

I works but it generates this [0] => Array ( [0] => Array ( [key] => value ) ). See Question for expected output

melkawakibi Over a year ago

Outputs

[0] => Array         (             [key] => value         )  [1] => Array         (             [key] => value         )

Albert221 Over a year ago

But you know that you can't have two same keys in one array? You can't have [0] => Array ( [key1] => value, [key1] => other_value ). That's impossible in PHP

melkawakibi Over a year ago

But with scalar it is possible

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