if exist php
if (isset($var)) {
// Code here
}php mysql if exists
$mysqli = new mysqli(SERVER, DBUSER, DBPASS, DATABASE);
$result = $mysqli->query("SELECT id FROM mytable WHERE city = 'c7'");
if($result->num_rows == 0) {
// row not found, do stuff...
} else {
// do other stuff...
}
$mysqli->close();Copyright © 2021 Codeinu
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