XML_Statistics::countPI() -- count the occurences of a processing instruction
Descripción
Counts how often a certain processing instruction (e.g. <?PHP) is used in the document.
The target is the 'language' of the processing instruction. You only need to specify the name,
without the leading question mark. If no target is specified it will count the total number of processing instructions.
Valor devuelto
integer occurences of the processing instruction
Nota
Esta función no puede ser llamada
estáticamente.