Create array with dynamic name

Question

I'm currently trying to make a loop that creates arrays, but I need to set the name of the array dynamic, so that all arrays have a name like $array0, $array1.

I am fetching rows from a MySQL table that all have an ID, that ID is stored in $rowData[0], so I want make arrays that have a name with this ID.

I currently have this:

if(mysql_num_rows($result)!=0) {
while($rowData = mysql_fetch_array($result)) {
    echo '<pre>';-
    $array . $rowData[0] = new ArrayObject($rowData);
    print_r($array . $rowData[0]);
    echo "<h1>" . $array . $rowData[0] . [1] . "<h1>";
    echo '</pre>';
  }
}

Thanks in advance.

Just an FYI: mysql_ functions are deprecated and have been removed in PHP 7. Use mysqli_or PDO functions instead. — wogsland
– wogsland, Commented Feb 19, 2017 at 18:29

AbraCadaver · Accepted Answer · 2017-02-19 18:27:35Z

1

That negates the value of using arrays, just do:

$array[$rowData[0]] = new ArrayObject($rowData);

Then you access $array[1] etc...

What you are attempting is variable variables, but rarely if ever are they better than using an array. If $rowData[0] is 1 then this would create $array1:

${'array' . $rowData[0]} = new ArrayObject($rowData);

NOTE for mysql_*() functions:

This extension was deprecated in PHP 5.5.0, and it was removed in PHP 7.0.0. Instead, the MySQLi or PDO_MySQL extension should be used. See also MySQL: choosing an API guide and related FAQ for more information. Alternatives to this function include:

mysqli_query()

PDO::query()

edited Feb 19, 2017 at 18:27

answered Feb 19, 2017 at 18:25

AbraCadaver

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