"prop_search1" v.16 (latest)

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<?php
$str = "Hi world. It's a beautiful/day.  Hi?how are you,yeah!okay.";
echo $str;

echo "<br><br>";

$str = strtolower($str); // makes all characters lowercase
echo ($str)."<br><br>";

// ideally, would have code to replace all non-letters and apostrophe's with spaces.
$str = strip_tags($str);
$str = stripcslashes($str); // Unquotes a string quoted with addcslashes()
$str = stripslashes($str);  // Unquotes a string quoted with addslashes()


$str = str_replace("/"," ",$str); // replace slashes with spaces
$str = str_replace("."," ",$str); // replace periods with spaces
$str = str_replace(","," ",$str);
$str = str_replace(";"," ",$str);
$str = str_replace(":"," ",$str);
$str = str_replace("!"," ",$str);
$str = str_replace("?"," ",$str);

$str = explode(" ",$str);  // creates array of each word separated by space
print_r ($str);

echo "<br><br>";


 $str2 = sort($str);   // sorts words alphabetically
 sort($str);
 foreach ($str as $key => $val) {    echo "str[" . $key . "] = " . $val . "\n";} // a way of printing words with array number = key and word itself = val

 echo "<br><br>";

 print_r ($str);

// add in counter for every duplicate word!

// up to this points, sorts
 foreach ($str as $key => $val) {    if ($val==$str[$key-1]) {$str[$key]="";}} // if this value of $str equals the last value of $str, then delete this value

 echo "<br><br>";
 print_r ($str);

 $str2 = sort($str);   // sorts words alphabetically
 sort($str);

 echo "<br><br>";
 print_r ($str);

  echo "<br><br>";
 foreach ($str as $key => $val) {    echo $val . " ";} // a way of printing all words remaining individually in $str array


?>

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