<?php
file_put_contents("lab14src.txt", file_get_contents($_SERVER['SCRIPT_FILENAME']));

echo "File To Array:\n";
print_r(preg_split("/[\s,]+/", file_get_contents("file1.txt")));
echo "\n\n";

$file1 = file("file1.txt");
$file2 = file("file2.txt");
$file3 = file("file3.txt");

for ($i=0; $i<count($file1); $i++)
	echo trim($file1[$i])." <=> ".
		 trim($file2[$i])." <=> ".
		 trim($file3[$i])." \n";
echo "\n\n";

echo "File1 ^ File2\n";
print_r(array_intersect($file1, $file2));
echo "\n";

echo "File1 without File1 ^ File2 rows:\n";
print_r(array_diff($file1, array_intersect($file1, $file2)));
echo "\n\n";

$syms1 = join(" ", $file1);
$syms2 = join(" ", $file2);

echo "Symbols File2^File1:\n";
$symbols = array_intersect(str_split($syms1), str_split($syms2));
echo join(array_flip(array_flip($symbols)));
echo "\n\n";
?>









File To Array:
Array
(
    [0] => Apple
    [1] => Bespin
    [2] => Doring
    [3] => Unix
    [4] => System
    [5] => Stuff
    [6] => Release
    [7] => Build
    [8] => Complete
    [9] =>
)


Apple Bespin Doring <=> Apple Bespin Doring <=> File3 Row1
Unix System Stuff <=> Trinity Observer Pattern <=> File3 Row2
Release Build Complete <=> Release Build Complete <=> File3 Row3


File1 ^ File2
Array
(
    [0] => Apple Bespin Doring

    [2] => Release Build Complete

)

File1 without File1 ^ File2 rows:
Array
(
    [1] => Unix System Stuff

)


Symbols File2^File1:
Aple BsinDorg
ytmuRadC












Apple Bespin Doring
Unix System Stuff
Release Build Complete

Apple Bespin Doring
Trinity Observer Pattern
Release Build Complete

File3 Row1
File3 Row2
File3 Row3