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PHP strict mode
2022-07-05 16:38:00 【Know its black and accept its white】
Read the directory
- Introduce
- return type
- Recursively call
- var_export
- serialize
- unserialize
- Files and directories
- Return the disk size of the directory
- filesize Get the size of the specified file
- fopen Open a file or URL
- fread Returns the string read , Or return on failure FALSE
- fseek Locate... In the file pointer , Notice moving to EOF The position after that is not wrong
- fwrite write file , Returns the number of characters written , Returns... When an error occurs FALSE
- fclose Close an open file pointer
- feof Test if the file pointer is at the end of the file
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