php count digits

CI automatically filters out the last two digits of the percent sign % to solve the problem. On the CodeIgniter website, you want to enter a piece of code: $ varsprintf (% 04d, 2); but after you find that the code is changed to $ varsprintf (d, 2 );

PHP operating mechanism and principle (underlying), and php operating mechanism. The PHP operating mechanism and principle (underlying). when talking about the php operating mechanism, we should first introduce the php module. php has three modules

Ensure the security of your PHP application and ensure that your PHP application Before you beginIn this tutorial, you will learn how to add security to your own PHP Web application. This tutorial assumes that you have at least one year of

PHP Application Security, PHP application Security Security needs to be thoroughly understood and mastered, both in development and during interviews or technical discussions. TargetThe goal of this tutorial is to give you an idea of how you should

This article provides two methods, one that converts decimals into strings, and then uses "." To intercept, to go. The substring length after. There is also a decimal *10, such as the N-square, for example, 10 of the 8-square to the remainder of 8,

How does one check that the data in an array is three consecutive digits? (Give me some advice.) how can I check that the data in the array is three consecutive digits ?, PHPcode $ arr = array (,); $ counter = 1; for ($ I = 0; $ I & lt; how does

How does one check that the data in an array is three consecutive digits? (Give me some comments ..) how to check that the data in the array is three consecutive digits? ------ Solution -------------------- PHPcode $ arrarray (,); $ counter1; for ($

This article provides two methods, one is to convert the decimal number into a string, and then use "." To intercept, remove the length of the. substring. Another method is to explain the N power of decimal * 10. For example, to the power of 10, the

This article provides two ways to turn a decimal number into a string and then use the "." To intercept, to go. The length of the substring after. There is a decimal *10, such as the N-second side, such as 10 of 8 times to 8 times to the remainder,

Security needs to be thoroughly understood and mastered, both in development and during interviews or technical discussions. GoalThe goal of this tutorial is to give you an idea of how you should protect your own built WEB applications. Explains