Translation_Entry::key()
Generates a unique key for this entry
Return
(string|bool) the key or false if the entry is empty
Source
File: wp-includes/pomo/entry.php
function key() {
if ( null === $this->singular || '' === $this->singular ) return false;
// Prepend context and EOT, like in MO files
$key = !$this->context? $this->singular : $this->context.chr(4).$this->singular;
// Standardize on \n line endings
$key = str_replace( array( "\r\n", "\r" ), "\n", $key );
return $key;
}