행복한 삶으로의 초대 (유니시티)

Today, we’ll discuss how to calculate date and time difference in PHP. In PHP, there are many ways to calculate date and time difference, in this tutorial we’ll discuss several ways to solve the task, from the simplest to the most complex. I. How to Calculate Time Difference in PHP – Using date_diff Function – The Easiest WayThe easiest way to calculate the time differe..

Today, we’ll discuss time, mktime, and strtotime function in PHP. Both mktime and strtotime functions have the same functionalities, they generate time in timestamp format. The difference is for strtotime() function, the accepted argument is string(text), while for the mktime() function, the accepted argument is an integer in a unit of time. TimestampThe functions that we dis..

This tutorial will guide you understanding variable in PHP In day to day programming, we’ll almost need to store a value at any kind of data type such as integer, string, array, etc… PHP provides two places to store that values that are in a (1) variable or (2) constant. In another tutorial we have discussed the constant, now we will look depth about variable in PHP. As the..

Previously, we have discussed variable in PHP, this time, we’ll discuss constant in PHP. As we already know, PHP provides two places to store values, that are (1) variable and (2) constant. The characteristic of a variable is that it can be overwritten, means that its value can be changed. Opposite to that, constants are fixed, we can’t change its value. Because of its natu..

Previously we have discussed how to connect MySQL with PHP, this time, we’ll discuss how to retrieve data from MySQL database using PHP. It has been mentioned in the article that we are not recommended to use functions started with mysql_ like mysql_connect(), mysql_query, etc., because these functions have been removed in PHP version 7. So we can guarantee that our applicati..

After we discuss array in PHP, today we’ll discuss some array functions that we need to know. It will help us a lot to quickly find a solution when we face the same problem. As we already know, there are a lot of functions related to the array and of course not all of them will be used, therefore, in this short tutorial we’ll only discuss some of them are frequently used (f..

This time, we’ll discuss array in PHP. Array is a kind of data type that will almost certainly be used by the PHP programmers as its flexibility to accommodate data. The array can also hold dozens or even hundreds of data. The topic about array is very very wide, so it is not possible to discuss all of those in this short article. So, in this short article, we’ll discuss th..