![]() I'll assume you want want to put 10 arbitrary things in an array. Using the $argv array here isn't a great example of why you might want to access the array elements as key/value pairs, but I'm writing this article for myself, and all I really need is a reminder of this PHP foreach key/value syntax. PHP's arrays are dynamic, meaning that you can keep adding elements to them after they're created - that is, you don't need to define the length of the array at the start. I can also loop through a PHP array by accessing the array key and value, like this: #!/usr/bin/phpįor this example, this array key/value approach results in the following output: 0 = argtest.php There is a special loop for arrays in Php (including for the associative arrays), it is called foreach. Today, we’re going to take a look at the PHP FOREACH function, how it’s used, and what some alternatives might be. In fact, it’s the best method for iterating through an array or an object. I'll get the following output from the script: argtest.php The PHP FOREACH function is an excellent method for iterating through a PHP array or an object. Hope that makes sense, if not you can check an earlier post about this issue that explains why i need this (after finding out that css alone cannot solve my problem): css/php: how to solve this div float problem / odd even loop in array. You can loop through just some of the elements of an array using a for loop. If I save this file as argtest.php, and then run it, like this: php argtest.php foo bar baz You dont have to loop through all of the elements of an array. If you have a simple one-dimensional array, like the $argv array which lets you access command line arguments, you can loop through it like this: #!/usr/bin/php ![]() PHP array FAQ: How do I iterate (loop) through a PHP array?Īnswer: The easiest way to loop through a PHP array is to use the PHP foreach operator.
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