721Chapter 39PHP and Javaor: String preamble = We, the people… ; the corresponding PHP code would be simply: $preamble = We, the people… ; PHP utilizes dynamic typing; the variable has no intrinsic type and can change with each newstatement. While the following code is perfectly legal in PHP: $type = 11; $type = 11 ; you would need to use separate variables in Java, or attempt to recast the variable as aString, with potential problems and resultant performance hit. Though type hinting has been introduced in PHP5, it does not yet apply to data types. Variables can be declared and typed as in Java, but this is not required in PHP. Java Server Pages and PHPPHP can fulfill many functions similarly to Java Server Pages (JSP). The JSP servlet engineserves as a scripting language for use with Java, and, just as PHP, is often used in front endapplications. Embedded HTMLPHP is more similar to JSP than Java itself in that you are allowed to write HTML directlyrather than using endless printstatements. Unlike Java, but like JSP, variables can also bereferenced from within a block of HTML. A simple HTML page using JSP script might look like this: <% String greeting = Hello, world ; %>

<%= greeting %>

Similarly, using PHP, you can write:
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