how to create a variable for every element in an array - php

Question

I have an array
$locations = [ 'name1', 'name2', 'name3', 'name4' ]
Now I want to create variables say $location1, $location2,...
which will hold value of name1, name2,.... respectively ( i.e., $location1 = 'name1', $location2 = 'name2',..... and so on
The array gets updated whenever admin adds new location so another variable must be created automatically to hold the name of new location from array.
Can it be done using php.
Reason for this is I will need to access those variables and assign their values to javascript variable for displaying their name in map.
Any help would be appreciated.

Answer 1

if you want individual variables then you can use this program.
<?php
$locations = ['name1', 'name2', 'name3', 'name4'];
$alocation = array();
$i = 1;
foreach ($locations as $key => $value) {
$alocation['location' . $i] = $value;
$i++;
}
extract($alocation);
echo '<pre>'; print_r($alocation); echo '</pre>';
echo $location1 . '--' . $location2 . '--' . $location3 . '--' . $location4;
?>

Answer 2

try this
$l = array('name1', 'name2', 'name3', 'name4');
$length = sizeof($l);
for ($i = 0; $i < $length; $i++){
${"location".($i+1)} = $l[$i];
}
echo "$location1<br />$location2<br />$location3<br />$location4<br />";
Output
name1
name2
name3
name4

Answer 3

You can initialize dynamic variables or use extract function.
Snippet for creating dynamic variables.
$locations = [ 'name1', 'name2', 'name3', 'name4' ];
foreach ($locations as $key => $val){
${'location'.($key +1)} = $val;
}
echo $location3;
Output:
name3
Live demo
Snippet for extract with prefix
$locations = [ 'name1', 'name2', 'name3', 'name4' ];
extract ($locations, EXTR_PREFIX_ALL, 'location');
echo $location_1;
Output:
name2
Live demo
Note: prefix start from zero leading with underscore.
Extract Docs

Answer 4

I just needed to get an array from php to javascript
Following code does exactly that
<?php $location = [....some values in this array...]; ?>
<script>var name = <?php echo json_encode( $location ) ?>;</script>
Now whenever the array in php script is updated, the array in javascript is automatically updated.

Answer 5

I don't know why you want to do this but I think the best way if you use JSON object so you can transform your array to JSON (json_encode, json_decode) very simplify and after that you can handle any way you want.