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verification_utilisateur.php
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<?php require_once("config_DB.php"); /*$val = "patoche"; $result = mysqli_query($connexion,"SELECT count(*) FROM appli_table_users WHERE username='" . $val . "'"); $row1 = mysqli_fetch_row($result); $user_count = $row1[0]; if($user_count>0) echo "<span style='color:red'> Username already exists .</span>"; else echo "<span style='color:green'> Username Available.</span>";*/ if(!empty($_POST["utilisateur"])) { $result = mysqli_query($connexion,"SELECT count(*) FROM appli_table_users WHERE username='" . $_POST["utilisateur"] . "'"); $row1 = mysqli_fetch_row($result); $user_count = $row1[0]; if($user_count>0) echo "<span style='color:red'> Username already exists .</span>"; else echo "<span style='color:green'> Username Available.</span>"; } ?>