“PHP masukkan hyphen ke dalam spasi dalam string” Kode Jawaban

PHP masukkan hyphen ke dalam spasi dalam string

$test = "jjfnj 948";
$test = str_replace(" ", "", $test);  // strip all spaces from string
echo substr($test, 0, 3)."-".substr($test, 3);  // isolate first three chars, add hyphen, and concat all characters after the first three