Microsoft Word - Core PHP Programming Using PHP to Build Dynamic Web Sites

The byName function is a simpler wrapper for strcmp. Names will be ordered by ASCIIcode. The byTitle function assigns an integer ...

Let's explore how we can transform the binary search in Listing 15.8 into a single lookup. We want an array that, given a name, ...

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original array. Our list of employees has two people with the same name, so we'll have to build a list of matches. Refer to the ...

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Of course, databases present a larger solution to managing data. In most cases, it's best to rely on a database to store large a ...

the distribution of numbers is uniform, the average and median will be very close. The sample set is really small, though, so yo ...

identifier from page to page either through links or with cookies. You will have to generate these identifiers randomly, otherwi ...

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Listing 15.12 Random Banner Ad <? //Seed the generator mt_srand(doubleval(microtime()) * 100000000); //choose banner switch(m ...

Chapter 16. PARSING AND STRING EVALUATION Tokenizing Regular Expressions........................................................ ...

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Notice the addition of to the input variable. This special token allows the algorithm to detect the end of the input string. Wh ...

At the highest level, a regular expression is one or more branches separated by the vertical bar character (|). This character i ...

Square brackets ([]) are used to specify a range of possible values. This may take the form of a list of legal characters. A ran ...

The script offers a form for inputting a zip code. It must have five digits and may be followed by a dash and four more digits. ...

which is compared to user input. It will be instructive to examine this expression in detail. It starts with a carat. This cause ...