<?php function printCharMostRepeated($str) { if (!empty($str)) { $max = 0; foreach (count_chars($str, 1) as $key => $val) if ($max < $val) { $max = $val; $i = 0; unset($letter); $letter[$i++] = chr($key); } else if ($max == $val) $letter[$i++] = chr($key); if (count($letter) === 1) echo 'The character the most repeated is "'.$letter[0].'"'; else if (count($letter) > 1) { echo 'The characters the most repeated are : '; $count = count($letter); foreach ($letter as $key => $value) { echo '"'.$value.'"'; echo ($key === $count - 1) ? '.': ', '; } } } else echo 'value passed to '.__FUNCTION__.' can\'t be empty'; } $str = 'ddaabbccccsdfefffffqqqqqqdddaaa'; printCharMostRepeated($str);
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Value for `_results` contains invalid data `array`