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run code in 150+ php & hhvm versions
Bugs & Features
<?php function consecutiveCharCount($string) { $lcString = strtolower($string); $prevChar = $lcString[0]; $currentLen = 0; $maxLen = 0; $ascending = null; for ($i = 1; $i < strlen($lcString); $i++) { $diff = ord($lcString[$i]) - ord($prevChar); if ($diff == 1) { if ($ascending !== true) { $ascending = true; $currentLen = 0; } $currentLen += 1; } elseif ($diff == -1) { if ($ascending !== false) { $ascending = false; $currentLen = 0; } $currentLen += 1; } else { $currentLen = 0; } $maxLen = max($maxLen, $currentLen); $prevChar = $lcString[$i]; } return $maxLen; } echo consecutiveCharCount("abcdegionoas"); echo consecutiveCharCount("EDCb00808asabc"); echo consecutiveCharCount("asg7898"); echo consecutiveCharCount("asgab876567asfon");
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
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