<?php


function spliString($string){
    $final = array();
    for ($i = 0, $l = strlen($string); $i < $l; $i++) {
        $final[] = $string{$i};
    }
    return $final;
}

function searchAnagramma($stringa1 , $stringa2){
    $found = "false";
    sort($stringa1);
    sort($stringa2);

    if($stringa1[0] != $stringa2[0]  )
            return $found;
    else{
        for($i = 0; $i < count($stringa1); $i++){
            if($stringa1[$i] == $stringa2[$i]){
                $found = "true";
            }else{
                $found = "false";
                return $found;
            }
        }
        return $found;
    }

}

$s = 'abc';
$s1 = 'portaucabfer';

$stringa = spliString($s);
$stringa2 = spliString($s1);


$result = searchAnagramma($stringa, $stringa2);

echo $result;

?>