phpstudy installation and configuration
07 minutes09 secondsvscode installation and configuration
09 minutes27 secondsPHP operating principle and PHP documentation
08 minutes42 secondsHow to output the running results
04 minutes17 secondsVariable concepts and naming conventions
09 minutes17 secondsHow to dynamically create variables
04 minutes57 secondsPass by value and pass by reference
04 minutes37 secondsmutable variable
03 minutes08 secondsVariable data type
18 minutes30 secondsVariable type conversion
12 minutes02 secondsvariable scope
12 minutes53 secondsstatic private variables
09 minutes04 secondsVariable filter (1)
12 minutes06 secondsVariable filter (2)
10 minutes41 secondsVariable filter (3)
10 minutes36 secondsDefinition and access of constants (1)
11 minutes10 secondsConstant definition and access (2)
08 minutes53 secondsPredefined constants and magic constants
06 minutes48 secondsconstants in namespace
05 minutes14 secondsCommonly used operators (1)
14 minutes59 secondsCommonly used operators (2)
07 minutes04 secondsCommonly used operators (3)
10 minutes39 secondsCommonly used operators (4)
04 minutes31 secondsBranch structure of process control (2)
10 minutes20 secondsBranch structure of process control (1)
08 minutes59 secondsLoop structure of process control (1)
12 minutes05 secondsLoop structure of process control (2)
04 minutes44 seconds