PHP Programming Guide

Now, to make you a better programmer we all know the value of comments. This allows you to understand the code that you have written defining and given meaning to operations as you build them up. You start with the terminators used by PHP and end with them as well. Single line comments look like [...]

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As you might have seen, all of the PHP statement ends with �;� which would be somewhat similar to Perl. The valid HTML code that was handed back to the server was :

Who are You?

My name is MacGyver.

More in the coming posts when we dig deeper as we widen our understanding of PHP.

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The first post had you making a program that was equivalent to the “Hello World” program used for teaching basics of a programming language and here’s how it worked. When the script was requested by opening the web page, Apache intercepted the request and passed it onto PHP which parsed the script looking for the [...]

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The foreach loop is mostly used to parse through an array that for every loop, the value of the current array content/value is assigned to the $value (after which the array pointer increments by a factor of one) then the next loop results in the next array content/value.
Syntax:
foreach (array as value)
{
code to be executed;
}
Sample [...]

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Now that we know the basic loop statements that are commonly used in PHP, we come to one of PHP’s real power in the form of it’s built in functions. PHP has over 700 built-in functions which gives the programmer a lot of quick and fun ways to do things they would otherwise have to [...]

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Sample :

Sample use of a function in a PHP script.

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The sample page in the previous post contains two input fields that are name and age, when the user inputs the data and clicks on the submit button, the form’s data is sent to the file “welcome.php” file. The resulting php file would look something like this:

Welcome .
You are years old

The output of the [...]

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That’s how easy a function can be made to do a series of operations by being influenced by parameters. We now focus on the area of having functions that returns a value, say the processing of a block of code or an operation done on a set of data.
Sample :

The output of the code would [...]

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PHP as a scripting language means it is designed to work with ease of use on web page designs. Such pages often require the user to input data which can then be treated as input to the various elements of the program that are contained within the script to obtain the desired result. The PHP [...]

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As the previous post discussed, PHP is very easy to use with web pages for the language has all the elements of a web page as a useable element. Now, going forward, forms or pages are easily handled and checked on the user end, meaning when you open a page the data input is easier [...]

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