Open a file or URL in PHP

/* w  w  w  .  ja  v  a2s .  c o m*/


<?php
    $file = fopen("test.txt","r");
    $file = fopen("test.txt","r");
    $file = fopen("test.txt","wb");
    $file = fopen("http://www.example.com/","r");
    $file = fopen("ftp://user:password@example.com/test.txt","w");

/*
      "r" (Read only. Starts at the beginning of the file)
      "r+" (Read/Write. Starts at the beginning of the file)
      "w" (Write only. Opens and clears the contents of file; or creates a new file if it doesn't exist)
      "w+" (Read/Write. Opens and clears the contents of file; or creates a new file if it doesn't exist)
      "a" (Write only. Opens and writes to the end of the file or creates a new file if it doesn't exist)
      "a+" (Read/Write. Preserves file content by writing to the end of the file)
      "x" (Write only. Creates a new file. Returns FALSE and an error if file already exists)
      "x+" (Read/Write. Creates a new file. Returns FALSE and an error if file already exists)

*/
?>