来自字符串的多个子字符串并将其放在数组中[重复]

I am having trouble get multiple substring from a string using PHP

For example:

$id= 'a:4:{i:0;s:4:"8345";i:1;s:4:"8344";i:2;s:4:"8343";i:3;s:4:"8329";}';

Now I want get the results as:

Array[0]=> 8345
Array[1]=> 8344
Array[2]=> 8343
Array[3]=> 8329

Any suggestions?

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unserialize() takes a single serialized variable and converts it back into a PHP value

$id= 'a:4:{i:0;s:4:"8345";i:1;s:4:"8344";i:2;s:4:"8343";i:3;s:4:"8329";}';

print_r(unserialize($id));

Just unserialize the data

<?php

$id= unserialize('a:4:{i:0;s:4:"8345";i:1;s:4:"8344";i:2;s:4:"8343";i:3;s:4:"8329";}');

print_r($id);

?>

$returnValue = unserialize($id); the result will be like

array (
0 => '8345',
1 => '8344',
2 => '8343',
3 => '8329',
)

Regex:

$id= 'a:4:{i:0;s:4:"8345";i:1;s:4:"8344";i:2;s:4:"8343";i:3;s:4:"8329";}';
preg_match_all("/\d{4}/", $id, $numbers);

var_dump($numbers);

Matches all four digit numbers.