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From PHP Tutorial
What is php delayed static bin...
PHP delayed static binding: refers to the self of the class, which is not based on the time of defin...
From Mysql Tutorial
Summary of mysql database oper...
Regarding the performance of the database, this is not just something that DBAs need to worry about,...
Summary of commonly used mysql...
1. To optimize the query, try to avoid full table scans. First, consider creating indexes on the co...
Summary of some commonly used ...
1. Select the most applicable field attributes. MySQL can well support the access of large amounts o...
Detailed explanation of the ex...
Remote pictures refer to the data on the remote server that we can read and download through many fu...
Detailed explanation of how to...
1. Capture images in CSS: > 1. First make preparations: > In the first step, save the original...
Introduction to PHP magic cons...
Magic constant 1. __LINE__ returns the current line number in the file. 2. __FILE__ returns the fu...
PHP system constant magic meth...
System constants FILE current file name LINE current line number FUNCTION current function name CLAS...
Detailed explanation of php ma...
In PHP, methods starting with two underscores are called magic methods. These methods play a decisiv...
Summary of several magic metho...
Commonly used magic methods are: Tostring () Call() autoLoad() clone() GET() SET() isset() unset() 1...
