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@ 2015-11-25T17:39:44Z

<?php

$string = "ABCDE3883475";
$numbers = "";
$alphabets = "";
$strlen = strlen($string);
for($i = 0; $i <= $strlen; $i++) {
    $char = substr($string, $i, 1);
        if(is_numeric($char)) {
        $numbers .= $char;
    } else {
        $alphabets .= $char;
    }
}
echo $numbers;
echo PHP_EOL;
echo $alphabets;

Output
Performance
VLD
References
Branches

substr: documentation ( source)
is_numeric: documentation ( source)

preferences:dark modelive preview

27.99 ms | 402 KiB | 5 Q