# CodeIgniter User Guide Version 2.1.4

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# Inflector Helper

The Inflector Helper file contains functions that permits you to change words to plural, singular, camel case, etc.

## Loading this Helper

This helper is loaded using the following code:

`$this->load->helper('inflector');`

The following functions are available:

## singular()

Changes a plural word to singular. Example:

`$word = "dogs";
echo singular($word); // Returns "dog"`

## plural()

Changes a singular word to plural. Example:

`$word = "dog";
echo plural($word); // Returns "dogs"`

To force a word to end with "es" use a second "true" argument.

`$word = "pass";
echo plural($word, TRUE); // Returns "passes"`

## camelize()

Changes a string of words separated by spaces or underscores to camel case. Example:

`$word = "my_dog_spot";
echo camelize($word); // Returns "myDogSpot"`

## underscore()

Takes multiple words separated by spaces and underscores them. Example:

`$word = "my dog spot";
echo underscore($word); // Returns "my_dog_spot"`

## humanize()

Takes multiple words separated by underscores and adds spaces between them. Each word is capitalized. Example:

`$word = "my_dog_spot";
echo humanize($word); // Returns "My Dog Spot"`