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.
Parameter
string $target - target of the processing instruction
Deliver First Class Web Sites: 101 Essential Checklists Want to learn how to make your web sites usable and accessible? Want to ensure that your sites meet current best practice, without spending hours trawling through incomprehensible specifications and recommendations from dozens of different books, research papers, and web sites? Want to make sure that the sites you build are "right the first time," requiring no costly redevelopments?
Free Sample Chapters