public static function interpretPassage($currentPassage, $rawPassage)
{
$rawPassage = Filter_Books::cleanPassage($rawPassage);
// Create an array with the bits of the raw input.
$input = explode(" ", $rawPassage);
// Go through the array from verse to chapter to book.
// Check how many numerals it has after the book part.
$numerals = array();
$book = "";
$invertedInput = array_reverse($input);
foreach ($invertedInput as $bit) {
if (Filter_Numeric::integer_in_string($bit) != "") {
$numerals[] = $bit;
array_pop($input);
} else {
$book = implode(" ", $input);
break;
}
}
// Deal with: Only book given, e.g. "Genesis".
if ($book != "" && count($numerals) == 0) {
return Filter_Books::explodePassage("{$book} 1 1");
} else {
if ($book == "" && count($numerals) == 1) {
$book = $currentPassage[0];
$chapter = $currentPassage[1];
$verse = $numerals[0];
$passage = Filter_Books::explodePassage("Unknown {$chapter} {$verse}");
$passage[0] = $book;
return $passage;
} else {
if ($book == "" && count($numerals) == 2) {
$book = $currentPassage[0];
$chapter = $numerals[1];
$verse = $numerals[0];
$passage = Filter_Books::explodePassage("Unknown {$chapter} {$verse}");
$passage[0] = $book;
return $passage;
} else {
if ($book != "" && count($numerals) == 1) {
$chapter = $numerals[0];
return Filter_Books::explodePassage("{$book} {$chapter} 1");
} else {
if ($book != "" && count($numerals) == 2) {
return Filter_Books::explodePassage($rawPassage);
}
}
}
}
}
// Give up.
return $currentPassage;
}