Writing PHP - 9: Common PHP functions

Introduction to PHP functions.

PHP has a host of ready-made functions to make complex tasks easier. Only the common functions can be covered on CodeHelp, including arrays, date and time, mysql and strings. Other functions are already covered in passing during discussion of errors, tainted data, forms and files. For a full description of these and all the other PHP functions, one of the PHP texts is recommended. Functions are available in the following areas:

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