5. Using Strings
In This Chapter
As introduced in Chapter 2, “Variables,” a second category of variables used by PHP is strings—a collection of characters enclosed within either single or double quotation marks. A string variable may consist of a single letter, a word, a sentence, a paragraph, HTML code, or even a jumble of nonsensical letters, numbers, and symbols (which might represent a password). Strings may be the most common variable type used in PHP.
This chapter covers PHP’s most basic built-in functions and operators for manipulating ...