PHP File System allows us to create file, read file line by line, read file character by character, write file, append file, delete file and close file.
The PHP fopen() function is used to open a file.
Syntax
resource fopen ( string $filename , string $mode [, bool $use_include_path = false [, resource $context ]] )
Example
The PHP fclose() function is used to close an open file pointer.
Syntax
ool fclose ( resource $handle )
Example
The PHP fread() function is used to read the content of the file. It accepts two arguments: resource and file size.
Syntax
string fread ( resource $handle , int $length )
Example
Output
The PHP fwrite() function is used to write content of the string into file.
Syntax
int fwrite ( resource $handle , string $string [, int $length ] )
Example
Output
The PHP unlink() function is used to delete file.
Syntax
bool unlink ( string $filename [, resource $context ] )
Example