Simple PHP Script is a website scripts arsenal for Kavoir readers. My plan is to write many simple yet useful website scripts and release them in SPS for you to download and use. Some of them will be commercial and some of them will be free. The first script is a business directory website script …
Linux timestamp is a number of seconds from the Epoch of Linux, large number of seconds. When you are counting the time interval between 2 times or 2 dates, the result is usually in seconds as well. Understandably, it’s everything but user friendly to just present the number of seconds to the users, e.g. 153297 …
Often we need the users to enter a valid string of date or time in the form. But how do you validate the strings with regular expressions? In PHP, you can use these functions and regular expressions. RegExp and function to validate against date string: // Default: YYYY-MM-DD function isDate($subject, $separator = ‘-‘) { return …
When I’m developing the online form creator that enables the users to create form fields that accept only certain type of numbers, I need to verify if a given string is a valid natural number such as 1, 2, 3, 4, …. I’m writing the code / functions in PHP but you can literally use …
The strange thing is that the native empty() function of PHP treats a string of ‘0’ as empty: $str = ‘0’; echo empty($str) ? ’empty’ : ‘non-empty’; And it will output ’empty’. Therefore if you need to examine if a string is truly an empty string with zero length, you have to use: echo strlen($str) …
PHP: True empty() function to check if a string is empty or zero in length Read More »
A not-so-commonly employed content strategy is to automatically generate custom content by user searches. For example, if you’ve got a popular blog, there will be a lot of users searching for things they want to find on your blog. It’s an obvious sign that they want you to write about them. While you are recommended …
I created a free online web form builder a while back and since it went well in search engine rankings, spammers and phishers found it and started to use it creating forms to collect email account usernames and passwords through phishing attempts. I’ve got to do something before my host closes down my site because …
PHP: Checking Text Strings against Reserved or Censored Words Read More »
Had a bunch of .info, .net and .org to be renewed yesterday and after searching for quite a while, I was unable to find any promo source code deals better than this one: gdbb776 It places a 17% discount ($6.99 .info, $7.49 .org and .net) off your cart for domain renewals. I had 17 domains …
Best renewal promo code for non .com domains at GoDaddy Read More »
The easy way to add a username and password pair in the .htpasswd file is to use an online password generator tool that converts the clear text password into its hash, a.k.a. the encrypted password. The problem with this approach is that you have to manually create the pair and append it to .htpasswd. Is …
How to create / generate .htpasswd password with PHP dynamically? Read More »
Depending on the web server software you use, your PHP script will be consuming significantly different amount of memory (RAM). If you are using Apache without proper optimization, the simplest request that does nothing but returns a status code will need 150kB of memory. Multiply this by 2000 visits per day and by 10 sites …
Check how much memory your PHP script is using. (PHP script memory usage) Read More »
If you accepted GoDaddy’s offer of the first-year-free private registration service for your domain, you would not be so happy when you are renewing the domain for more years because you will find the private registration is bound to that domain. You can either renew the domain WITH the private registration which costs an extra …
Shady GoDaddy: How to cancel private registration for your domain renewals? Read More »
