build/controllers/PhpDocController.php
protected function fixDocBlockIndentation(&$lines)
    {
        $docBlock = false;
        $codeBlock = false;
        $listIndent = '';
        $tag = false;
        $indent = '';
        foreach ($lines as $i => $line) {
            if (preg_match('~^(\s*)/\*\*$~', $line, $matches)) {
                $docBlock = true;
                $indent = $matches[1];
            } elseif (preg_match('~^(\s*)\*+/~', $line)) {
                if ($docBlock) { // could be the end of normal comment
                    $lines[$i] = $indent . ' */';
                }
                $docBlock = false;
                $codeBlock = false;
                $listIndent = '';
                $tag = false;
            } elseif ($docBlock) {
                $line = ltrim($line);
                if (isset($line[0]) && $line[0] === '*') {
                    $line = substr($line, 1);
                }
                if (isset($line[0]) && $line[0] === ' ') {
                    $line = substr($line, 1);
                }
                $docLine = str_replace("\t", '    ', rtrim($line));
                if (empty($docLine)) {
                    $listIndent = '';
                } elseif ($docLine[0] === '@') {
                    $listIndent = '';
                    $codeBlock = false;
                    $tag = true;
                    $docLine = preg_replace('/\s+/', ' ', $docLine);
                    $docLine = $this->fixParamTypes($docLine);
                } elseif (preg_match('/^(~~~|```)/', $docLine)) {
                    $codeBlock = !$codeBlock;
                    $listIndent = '';
                } elseif (preg_match('/^(\s*)([0-9]+\.|-|\*|\+) /', $docLine, $matches)) {
                    $listIndent = str_repeat(' ', \strlen($matches[0]));
                    $tag = false;
                    $lines[$i] = $indent . ' * ' . $docLine;
                    continue;
                }
                if ($codeBlock) {
                    $lines[$i] = rtrim($indent . ' * ' . $docLine);
                } else {
                    $lines[$i] = rtrim($indent . ' * ' . (empty($listIndent) && !$tag ? $docLine : ($listIndent . ltrim($docLine))));
                }
            }
        }
    }
protected function fixDocBlockIndentation(&$lines)
    {
        $docBlock = false;
        $codeBlock = false;
        $listIndent = '';
        $tag = false;
        $indent = '';
        foreach ($lines as $i => $line) {
            if (preg_match('~^(\s*)/\*\*$~', $line, $matches)) {
                $docBlock = true;
                $indent = $matches[1];
            } elseif (preg_match('~^(\s*)\*+/~', $line)) {
                if ($docBlock) { // could be the end of normal comment
                    $lines[$i] = $indent . ' */';
                }
                $docBlock = false;
                $codeBlock = false;
                $listIndent = '';
                $tag = false;
            } elseif ($docBlock) {
                $line = ltrim($line);
                if (isset($line[0]) && $line[0] === '*') {
                    $line = substr($line, 1);
                }
                if (isset($line[0]) && $line[0] === ' ') {
                    $line = substr($line, 1);
                }
                $docLine = str_replace("\t", '    ', rtrim($line));
                if (empty($docLine)) {
                    $listIndent = '';
                } elseif ($docLine[0] === '@') {
                    $listIndent = '';
                    $codeBlock = false;
                    $tag = true;
                    $docLine = preg_replace('/\s+/', ' ', $docLine);
                    $docLine = $this->fixParamTypes($docLine);
                } elseif (preg_match('/^(~~~|```)/', $docLine)) {
                    $codeBlock = !$codeBlock;
                    $listIndent = '';
                } elseif (preg_match('/^(\s*)([0-9]+\.|-|\*|\+) /', $docLine, $matches)) {
                    $listIndent = str_repeat(' ', \strlen($matches[0]));
                    $tag = false;
                    $lines[$i] = $indent . ' * ' . $docLine;
                    continue;
                }
                if ($codeBlock) {
                    $lines[$i] = rtrim($indent . ' * ' . $docLine);
                } else {
                    $lines[$i] = rtrim($indent . ' * ' . (empty($listIndent) && !$tag ? $docLine : ($listIndent . ltrim($docLine))));
                }
            }
        }
    }
Markdown aware fix of whitespace issues in doc comments.
@param array $lines