<?php

if(!isset($_GET['envoi'])) { ?>
	<form action="">
	<center>

	<h2>Test de langue</h2>
	<input style="width: 500px;height: 200px" type="textarea" name="txt" value=""><br>
	<input type="submit" name="envoi">
	</center>

	</form>


<?php

}else{

$freqLang['fr'] = array(9.42, 1.02, 2.64, 3.39, 15.87, 0.95, 1.04, 0.77, 8.41, 0.89, 0.00, 5.34, 3.24, 7.15, 5.14, 2.86, 1.06, 6.46, 7.90, 7.26, 6.24, 2.15, 0.00, 0.30, 0.24, 0.32);
$freqLang['eng'] = array(8.08, 1.67, 3.18, 3.99, 12.56, 2.17, 1.80, 5.27, 7.24, 0.14, 0.63, 4.04, 2.60, 7.38, 7.47, 1.91, 0.09, 6.42, 6.59, 9.15, 2.79, 1.00, 1.89, 0.21, 1.65, 0.07);

//var_dump($freqLang);
$i=1;
for($lettre='a'; $i<=26; $lettre++)
{
    $i++;
   $alph[$lettre] = 0;
}

$recup = str_replace("!", "", $_GET['txt']);
$recup =strtolower($recup);
$recup = str_replace(".", "", $recup);$recup = str_replace(",", "", $recup);$recup = str_replace(" ", "", $recup);$recup = str_replace("'", "", $recup);$recup = str_replace("-", "", $recup);$recup = str_replace(":", "", $recup);$recup = str_replace("?", "", $recup);$recup = str_replace("’", "", $recup);$recup = str_replace("%", "", $recup);$recup = str_replace("À", "", $recup);$recup = str_replace("_", "", $recup);$recup = str_replace("—", "", $recup);$recup = str_replace("[", "", $recup);$recup = str_replace("]", "", $recup);$recup = str_replace(";", "", $recup);$recup = str_replace("^", "", $recup);$recup = str_replace("¨", "", $recup);$recup = str_replace("]", "", $recup);$recup = str_replace("/", "", $recup);$recup = str_replace("à", "", $recup);$recup = str_replace(":", "", $recup);$recup = str_replace("(", "", $recup);$recup = str_replace(")", "", $recup);$recup = str_replace("'", "", $recup);
for ($i=0; $i < 10 ; $i++) {
	 $recup = str_replace($i, "", $recup);

}

echo "<br>txt:<br>".$recup."<br><br>";
$fr = 0;
$eng =0;
$tableau = str_split($recup);
	$a = 0;
	foreach (count_chars($recup, 1) as $i => $val) {
   		echo "Il y a $val occurence(s) de \"" , chr($i) , "\" dans la phrase. <br>";

   		foreach ($alph as $cle => $chiffre) {

			if(chr($i) == $cle ) {

				$alph[$cle] = (($val/strlen($recup))*100);
				$ecart_fr = $alph[$cle] - $freqLang['fr'][$a];
				$ecart_eng = $alph[$cle] - $freqLang['eng'][$a];
				if($ecart_eng > $ecart_fr ) {
					$eng++;
				}elseif ($ecart_eng < $ecart_fr) {
					$fr++;
				}
				//$chiffre = $val
			}
		}
		$a++;
	}
	var_dump($alph);
	var_dump($freqLang['fr']);
	var_dump($freqLang['eng']);
echo "<br>".$fr;
echo "<br>".$eng;

if($eng > $fr) {
	echo "<br>ce texte est en anglais";
}else{
	echo "<br>ce texte est en francais";
}

}

?>