Course Elementary  14081

Course Introduction：PHP string functions belong to the core part of PHP. No installation is required to use these functions. "PHP Function String String Function Video Explanation" explains the syntax, parameters, return values, etc. of PHP string functions, and runs examples of various string functions in the browser through the PHP editor to help PHP learners learn more Good to learn and use string functions.

Course Intermediate  11273

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Course Advanced  17597

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Course Introduction：PHP's substr_count() function: How to count the number of occurrences of a substring in a string, specific code examples are needed In PHP, the substr_count() function is used to count the number of occurrences of another string in a string. The substr_count() function is very useful, especially when you need to count the number of times a specific substring appears in text. The syntax of the substr_count() function is as follows: intsubstr_co

2023-11-03 comment 0  1245

Course Introduction：Counting Substring Instances in MySQL and Ordering by CountIn MySQL, finding the number of occurrences of a substring within a string column and...

2024-11-14 comment 0  396

Course Introduction：Counting Substring Occurrences in PythonDetermining the frequency of a particular substring within a larger string is a common task in...

2024-11-20 comment 0  930

Course Introduction：Counting Substring Occurrences within a String in PythonFinding the frequency of a specific substring within a given string is a common task in...

2024-11-20 comment 0  383

Course Introduction：In PHP development, counting the number of times a certain substring appears in a string is a very common requirement. For example, we may need to count the number of times a certain keyword appears in an article, or count the number of times a certain symbol appears in user input. At this time, we can use PHP's built-in substr_count() function to achieve this. The substr_count() function is used to count the number of times another substring appears in a string. Its basic syntax is as follows: intsubstr_count

2023-06-27 comment 0  1723