A slug is a part of the URL when you are accessing a resource. Say you have a URL, such as the one below, that displays all of the cars in your system: When you would want to reference a particular car in your system, you would provide the following URL: Notice how the URL … Read more
Each YouTube video has four generated images. They are predictably formatted as follows: The first one in the list is a full size image and others are thumbnail images. The default thumbnail image (i.e., one of 1.jpg, 2.jpg, 3.jpg) is: For the high quality version of the thumbnail use a URL similar to this: There is also a … Read more
Well, the $key => $value in the foreach loop refers to the key-value pairs in associative arrays, where the key serves as the index to determine the value instead of a number like 0,1,2,… In PHP, associative arrays look like this: In the PHP code: $featured is the associative array being looped through, and as … Read more
The importance of locales is that your environment/os can provide formatting functionality for all installed locales even if you don’t know about them when you write your application. My Windows 7 system has 211 locales installed (listed below), so you wouldn’t likely write any custom code or translation specific to this many locales. Edit: The … Read more
Summary of existing answers plus my own two cents: 1. Basic answer You can use the header() function to send a new HTTP header, but this must be sent to the browser before any HTML or text (so before the <!DOCTYPE …> declaration, for example). 2. Important details die() or exit() Why you should use die() or exit(): The Daily WTF Absolute or relative URL … Read more
I have to admit, mysqli_query() manual entry doesn’t contain a clean example on how to fetch multiple rows. May be it’s because the routine is so routine, known to PHP folks for decades: In case you want to print the column titles, you have to select your data into a nested array first and then use keys … Read more
Use the header() function to send an HTTP Location header: Contrary to what some think, die() has nothing to do with redirection. Use it only if you want to redirect instead of normal execution. File example.php: Result of three executions: Resuming — obligatory die()/exit() is some urban legend that has nothing to do with actual PHP. It has nothing to do with client “respecting” the Location: header. Sending a header does not … Read more
777 is a permission in Unix based system with full read/write/execute permission to owner, group and everyone.. in general we give this permission to assets which are not much needed to be hidden from public on a web server, for example images.. You said I am using windows 7. if that means that your web … Read more
When you post forms with php, or any other data, you may come back to the page and find a message in the browser like “Document Expired” or “Confirm Form Resubmission With Chrome”. These messages are a safety precaution the browser uses with sensitive data such as post variables. The browser will not automatically give … Read more
How do I clean information in a form after submit so that it does not show this error after a page refresh? See image (from chrome): The dialog has the text: The page that you’re looking for usedinformation that you entered. Returning to thatpage might cause any action you took to berepeated. Do you want … Read more