Filters the singular or plural form of a string. 

Parameters

.

( 2.2.0 ) . .

$translation

( string ) Translated text. . . .

$single

( string ) The text to be used if the number is singular. . . .

$plural

( string ) The text to be used if the number is plural. . . .

$number

( string ) The number to compare against to use either the singular or plural form. . . .

$domain

( string ) Text domain. Unique identifier for retrieving translated strings. . . .