Created
August 11, 2016 01:55
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Ne garde qu'un seul exemplaire de chaque caractère parmi tous ceux donnés en entrée
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<?php | |
header('Content-type: text/html; charset=utf-8'); | |
if(isset($_POST['entree'])) | |
{ | |
$car_exists = array(); | |
$string = preg_split('//u', $_POST['entree'], null, PREG_SPLIT_NO_EMPTY); | |
$nb_car_entree = mb_strlen($_POST['entree']); | |
$string_sortie = ""; | |
/*foreach($string as $car) | |
{ | |
if(@$car_exists[$car] == true) | |
{ | |
//echo "Le caractère '$car' existe déjà.<br />"; | |
} | |
else | |
{ | |
$string_sortie .= $car; | |
$car; | |
$car_exists[$car] = true; | |
} | |
}*/ | |
$string_sortie = array_unique($string); | |
$string_sortie = implode("",$string_sortie); | |
} | |
?> | |
<h1>Entrée</h1> | |
<form action="" method="post"> | |
<textarea cols="100" rows="20" name="entree"><?php echo @$_POST['entree']; ?></textarea><br /> | |
<input type="submit"/> | |
</form> | |
<h1>Sortie</h1> | |
<textarea cols="100" rows="20"><?php echo @$string_sortie; ?></textarea> |
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