10 articles about phpfilectime are recommended

System files: during development, we sometimes need to know the last access time of the file and the last modification time of the file, and introduce the access to the identified files provided by PHP, three functions of the creation and last Modification time: fileatime (), filectime (), and filemtime (). 1. fileatime () intfileatime (stringfilename): The Last access time of filename returned by the fileatime () function... system files: during development, we sometimes need to know the last access time of the file and the last modification time of the file, and introduce the access to the identified files provided by PHP, three functions of the creation and last Modification time: fileatime (), filectime (), and filemtime (). 1. fileatime () int fileatime (string filename): the time when the last access to filename is returned by the fileatime () function. the last access here means that each time a file's data block is read, the UNIX timestamp format is used. if there is an error, FALSE is returned. 2. filectime () int filectime (string filename): the time when the last change of filename is returned by the filectime () function. the last change here refers to the last change time of the inode of the specified file filename, inode (index node) is used to store the basic information of files and directories, including the time, file name, user, and group. it uses UNIX timestamps.

1. 10 articles about php fileatime () functions are recommended.

Introduction: system files: during development, we sometimes need to know the last access time and last modification time of the file, and introduce the access to the identified files provided by PHP, three functions of the creation and last Modification time: fileatime (), filectime (), and filemtime (). 1. fileatime () int fileatime (string filename): The fileatime () function returns the last access time of filename. the last access here refers to the number of files each time...

2. use the filectime function in linux-php to obtain the file modification time. the system returns 1970.

Introduction: Environment: CentOS6.5 used php to get the file modification time. The result is 1970. why? Code: {code...} result: The time between... and... is normal. thank you!

3. php deletes the file and recreates it. the file creation time (filectime) remains unchanged. how can this problem be solved ??

Introduction: php creates a file named test.html, and uses filectime to obtain the file created at t1. php deletes the file named test.html. php recreates the file named test.html, use filectime to obtain the creation time t2 Why t1 = t2 ?? Is to create...

4. php deletes the file and recreates it. the file creation time (filectime) remains unchanged. how can this problem be solved ??

Introduction: php creates a file named test.html, and uses filectime to obtain the file created at t1. php deletes the file named test.html. php recreates the file named test.html, use filectime to obtain the creation time t2 Why t1 = t2 ?? Is to create...

5. view the file modification time in PHP

Introduction: This article mainly introduces the modification time of PHP files. For more information about PHP tutorials, see.

6. php file status cache problems _ PHP Tutorial

Introduction: php file status cache issues. Stat (), lstat (), file_exists (), is_writable (), is_readable (), is_executable (), is_file (), is_dir (), is_link (), filectime (), fileatime (), filemtime (), fileinode (), fileg

7. the customer subscribes to RSS and regularly updates the method.

Brief: ask a customer to subscribe to RSS. the method of regular update is creating a website. you can provide the customer to subscribe to the local RSS through keyword search, but to protect the number of calls to the database, prepare to limit the number of customer calls. The general idea is: the first time a user subscribes, the user calls the database to generate static XML files. Based on the XML generation time, it is automatically updated every 24 hours. Train of Thought 1: Each time a user requests XML, the time ()-filectime is used to determine if the value is greater than 24x6.

8. php file status cache problems

Introduction: php file status cache issues. Stat (), lstat (), file_exists (), is_writable (), is_readable (), is_executable (), is_file (), is_dir (), is_link (), filectime (), fileatime (), filemtime (), fileinode (), fileg

9. the customer subscribes to RSS and regularly updates the method.

Brief: ask a customer to subscribe to RSS. the method of regular update is creating a website. you can provide the customer to subscribe to the local RSS through keyword search, but to protect the number of calls to the database, prepare to limit the number of customer calls. The general idea is: the first time a user subscribes, the user calls the database to generate static XML files. Based on the XML generation time, it is automatically updated every 24 hours. Train of Thought 1: Each time a user requests XML, the time ()-filectime is used to determine if the value is greater than 24x6.

10. PHP checks whether the file is modified.

Introduction: in the website management system, you sometimes need to check whether a file has been modified, when it was modified, and when it was last modified, this instance can implement this function to determine the files submitted in the form and detect the modification time.

[Related Q & A recommendations ]:

In linux-php, the filectime function is used to obtain the file modification time. the system returns 1970.

Php deletes the file and recreates it. the file creation time (filectime) remains unchanged. how can this problem be solved ??

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