src/Inflector.php
public function isSingular($word)
	{
		// Try the cache for a known inflection.
		$inflection = $this->getCachedPlural($word);

		if ($inflection !== false)
		{
			return true;
		}

		$pluralWord = $this->toPlural($word);

		if ($pluralWord === false)
		{
			return false;
		}

		// Compute the inflection to cache the values, and compare.
		return $this->toSingular($pluralWord) == $word;
	}
public function isSingular($word)
	{
		// Try the cache for a known inflection.
		$inflection = $this->getCachedPlural($word);

		if ($inflection !== false)
		{
			return true;
		}

		$pluralWord = $this->toPlural($word);

		if ($pluralWord === false)
		{
			return false;
		}

		// Compute the inflection to cache the values, and compare.
		return $this->toSingular($pluralWord) == $word;
	}
Checks if a word is in a singular form.

@param   string  $word  The string input.

@return  boolean  True if word is singular, false if not.

@since   1.0