Question

Explain in detail of File handling functions.

Answer 1

• PHP Manipulating Files:
  PHP has several functions for creating, reading, uploading, and editing files.
• PHP readfile() Function:
  The readfile() function reads a file and writes it to the output buffer.
• PHP Open File – fopen():
  A better method to open files is with the fopen() function.
  This function gives you more options than the readfile() function.
• PHP Read File – read():
  The fread() function reads from an open file.
• PHP Close File – close():
  The fclose() function is used to close an open file.
• PHP Create File – fopen():
  The fopen() function is also used to create a file.
• Maybe a little confusing, but in PHP. a file is created using the same function used to open files.
• PHP Write to File – write():
  The fwrite() function is used to write to a file.