10 recommended articles about the php file_put_contents() function

1. Write files 1. Open the resource (file) fopen ($filename, $mode) 2. Write the file fwrite ($handle, $str) 3. Close the file fclose ($handle) 4. Write file_put_contents in one step ($filename,$str,$mode) FILE_APPEND LOCK_EX} 2. Read the file 1. Read the file fread($handle, number of bytes) 2. Read a line of fgets($handle); 3. Read a character fgetc($handle) 4. Read file($filename) into an array 5. Read file_get_contents($filename) in one step 3. Directory operations 1. Create directory mkdir($dirname) 2. Delete directory rmdir($dirname) 3. Open directory handle opendir ($dirname)4, read the number of directory entries readdir($handle)5, close the directory resource closedir($ha

1. Summary of common PHP functions (recommended)

Introduction: 1. Write a file 1. Open the resource (file) fopen($filename,$mode)2. Write file fwrite($handle,$str)3. Close the file fclose($handle)4. Write file_put_contents($filename,$str,$mode)FILE_...

## in one step #2. How to append and wrap file_put_contents in php?

##Introduction: Editor below I will bring you an implementation method of file_put_contents appending and line wrapping in PHP. I think it is quite good, so I will share it with you now and give it a reference. Let’s follow the editor and take a look.

3.

PHP simply implements the method of generating txt files to a specified directory

Introduction: This article mainly introduces the simple method of generating txt files to a specified directory in PHP. It briefly compares and analyzes the use of functions such as fwrite and file_put_contents in PHP. Friends who need it can refer to it

4.

After the php associative array is sorted, json_encode is used to output it to the front end. Why does the order change?

##Introduction: PHP associative array sorting Finally, use json_encode to output to the front end. Why does the order change? This is the sorted array written to the file using the file_put_contents function, in the correct order. This is the data output to the front desk using echo json_encode(), and the order has changed. Why...

5. php fwrite writes the file successfully but the file has no content

Introduction: Discovery A very strange problem. When I use fwrite to write a file, the program does not report an error. fwrite also returns the number of words written, but the content in the file is empty. {Code...} uses the Yii2.0 framework. Try using file_put_contents again, but there is no response. O__O "…

6. The difference between fwrite and file_put_contents in PHP

Introduction: The difference between fwrite and file_put_contents in PHP

7. Whether file_put_contents will be queued when it encounters a file exclusive lock Wait

##Introduction: file_put_contents('test.txt',$data,FILE_APPEND|LOCK_EX); As shown in the above statement, if a large amount of data is being written to a file, it will It takes a long time, and subsequent file_put_contents must also write data to the file. Since the file has an exclusive lock, subsequent file_put...

8. How does php every 200kb Perform a file io

Introduction: There is a log analysis program, which includes file reading and writing, file_put_contents, fgets, and the load data local infile of the database. Load from the file Enter the database, how to make the file size reach 200kb and write to the database once

9. I use file_put_contents to upload pictures, but they can only be saved in the current directory. How can I move the picture to the desired directory?

Introduction: {code...} I converted the image to Base64 and then uploaded it, but using the file_put_contents function can only be placed in the directory of the script. How can I upload it? How to move the uploaded pictures to the desired directory?

10. I use file_put_contents to upload pictures, but they can only be saved in the current directory. How can I move the picture to the desired directory?

Introduction: {code...} I converted the image to Base64 and then uploaded it, but using the file_put_contents function can only be placed in the directory of the script. How can I upload it? How to move the uploaded pictures to the desired directory?

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