- explode: documentation ( source)
<?php
$client_version_header = '1.5';
$oldVersion = false;
if(!$client_version_header){
$oldVersion = true;
}
else {
$splitted = explode('.', $client_version_header);
$major = $splitted[0];
$minor = $splitted[1];
if($major < 1){
$oldVersion = true;
}
if($major == 1 && $minor < 5){
$oldVersion = true;
}
}
if($oldVersion) {
echo 'oldversion';
}
else
{
echo 'newVersion';
}