判断qq号码规律

　$qqs = array('2343232', "4323254","22222","5123123","23412341234","2222222", '123456789');

foreach($qqs as $qq) {

$len = strlen($qq);

$t = array();

echo "qq: $qq:: ";

for($i=0; $i<$len; $i++) {

if(($j = strpos($qq, $qq{$i}, $i+1)) != false) {

if(($p=substr($qq, $i, $j-$i)) == substr($qq, $j, $j-$i)) $t[] = $p;

while($j<$len-1 && $qq{$i} == $qq{++$j}) $t[] = substr($qq, $i, $j-$i+1);

}

usort($t, function($a, $b) { return strlen($b) - strlen($a); });

$t = current($t);

echo $d = 'A';

for($i=1; $i<strlen($t); $i++) {

if($t{$i} != $t{$i-1}) $d++;

echo $d;

}

echo PHP_EOL;

}

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