27 File Open Read Close.php

<!-- PHP File Open/Read/Close -->
<title>PHP File Open/Read/Close</title>

<!-- 
The file may be opened in one of the following modes : - 
Modes	    Description
r	        Open a file for read only. File pointer starts at the beginning of the file
w	        Open a file for write only. Erases the contents of the file or creates a new file if it doesn't exist. File pointer starts at the beginning of the file
a	        Open a file for write only. The existing data in file is preserved. File pointer starts at the end of the file. Creates a new file if the file doesn't exist
x	        Creates a new file for write only. Returns FALSE and an error if file already exists
r+	        Open a file for read/write. File pointer starts at the beginning of the file
w+	        Open a file for read/write. Erases the contents of the file or creates a new file if it doesn't exist. File pointer starts at the beginning of the file
a+	        Open a file for read/write. The existing data in file is preserved. File pointer starts at the end of the file. Creates a new file if the file doesn't exist
x+	        Creates a new file for read/write. Returns FALSE and an error if file already exists
 -->

<?php
// PHP Open File - fopen()
$filePointer = fopen("PHP Testing/Notes.txt", "r") or die("Unable To Open File !");
// PHP Read File - fread()
echo fread($filePointer, filesize("PHP Testing/Notes.txt"));
// PHP Close File - fclose()
fclose($filePointer);
?>
<hr>

<!-- PHP Read Single Line - fgets() -->
<?php
$filePointer = fopen("PHP Testing/Notes.txt", "r") or die("Unable To Open File !");
#PHP Check End-Of-File - feof()
while (!feof($filePointer)) {
    echo fgets($filePointer) . "<br>";
}
fclose($filePointer);
?>
<hr>

<!-- PHP Read Single Character - fgetc() -->
<?php
$filePointer = fopen("PHP Testing/Notes.txt", "r") or die("Unable To Open File !");
#PHP Check End-Of-File - feof()
while (!feof($filePointer)) {
    echo fgetc($filePointer) . " ";
}
fclose($filePointer);
?>
<hr>