Course Intermediate  11245

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  17581

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 Advanced  11291

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

Course Introduction：Guide to PHP substr. Here we have discussed the introduction, syntax, and examples of PHP substr() along with code implementation and output.

2024-08-29 comment 0  598

Course Introduction：The SUBSTR function is used to extract a substring from a string. The syntax is SUBSTR(string, start, length). You need to specify the source string, starting position and length (optional), and the function extracts the substring of the specified length starting from the specified position. For example, SUBSTR('Hello World', 1, 5) returns "Hello" and SUBSTR('Hello World', 7) returns "World".

2024-04-30 comment 0  459

Course Introduction：substr:substr php removes the last character of the string. Attached usage of substr: used in today's project to remove the last character of the string. Original string 1,2,3,4,5,6, remove the last character" ,", the final result is 1,2,3,4,5,6. The code is as follows: Copy the code as follows: $str = "1,2,3,4,5,6,"; $newstr = substr($str ,0,strlen($str)-1); echo $newstr; Interpretation: Use PHP’s substr() method, syntax: string subst

2016-07-29 comment 0  932