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Here are the top ten articles for the PHP Site! These rankings are live and get reset at the beginning of each month, so check back often to see what your fellow visitors are most interested in!
1. How To Set A Default Value For An Argument Variable In A PHP Function
In this tutorial, you will learn how to use a default value for an argument variable in a PHP function. This default value is used by the function only if there is no value for the argument variable passed to the function in the function call.
2. How To Increment and Decrement In PHP
One of the most frequently used code in PHP or any programming language is the code that will increment or decrement the value of a variable. This code or expression is used in programs as simple as a page counter or as complicated as credit card processing.
3. The PHP For Statement
The for statement is used to control a loop within your PHP program. It works like the while and do..while statements that we discussed in previous tutorials. The for statement tests an expression. If that expression is true the program will execute the task within the loop. Here is the basic code.
4. The PHP Return Statement
The PHP return statement is used to tell a PHP function to send information back to the calling program. This can be useful in many ways.
5. Joining Character Strings with PHP String Operators
There are two string operators for joining character strings in PHP; the concatenating assignment operator and the concatenation operator.
6. The PHP fread( ), filesize( ) and file_get_contents( ) Functions
We will use the fread( ), filesize( ) and file_get_contents( ) functions to read the contents of a file into a string.
7. Using HTML Form Variables with PHP
In this tutorial, we will take a look at how to pass the value of a variable from an HTML web form to a PHP program.
8. How To Reference A PHP Variable
This tutorial will show you how to allow a function to change a variable that is not part of the function. You can reference, or point to, the original variable when you pass an argument to the function. By doing this, you can manipulate the value of the original variable from within the function.
9. The PHP Associative Array
An associative array uses index keys but these keys are not numeric as in the regular array. The keys in an associative array are usually character strings.
10. The PHP Break Statement
The PHP break statement is placed within the code of a loop statement to cause your program to break out of the loop statement. Below is an example of a break statement that has been added to a loop statement.
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