Returns the offset past an SQL comment.

Parameters

string $sql: The SQL to scan.

int $offset: Offset to scan from.

Return value

int|null Offset of the first character after the comment, or NULL if $offset does not open a comment or the comment is unterminated.

File

core/modules/sqlite/src/Driver/Database/sqlite/Schema.php, line 788

Class

Schema

SQLite implementation of \Drupal\Core\Database\Schema.

Namespace

Drupal\sqlite\Driver\Database\sqlite

Code

protected function skipComment(string $sql, int $offset) : ?int {
  $opening = substr($sql, $offset, 2);
  if ($opening === '--') {
    $line_length = strcspn($sql, "\r\n", $offset + 2);
    $line_end = $offset + 2 + $line_length;
    return $line_end === strlen($sql) ? $line_end : $line_end + 1;
  }
  if ($opening === '/*') {
    $close = strpos($sql, '*/', $offset + 2);
    return $close === FALSE ? NULL : $close + 2;
  }
  return NULL;
}

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