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manipulando dados JSON
<?php
if ($ _ POST['action'] == 'addRunner') {
$fname = htmlspecialchars($ _ POST['txtFirstName']);
$lname = htmlspecialchars($ _ POST['txtLastName']);
$gender = htmlspecialchars($ _ POST['ddlGender']);
$minutes = htmlspecialchars($ _ POST['txtMinutes']);
$seconds = htmlspecialchars($ _ POST['txtSeconds']);
if(preg _ match('/[^\w\s]/i', $fname) || preg _ match('/[^\w\s]/i', $lname)) {
fail('Invalid name provided.');
}
if( empty($fname) || empty($lname) ) {
fail('Please enter a first and last name.');
}
if( empty($gender) ) {
fail('Please select a gender.');
}
$time = $minutes.":".$seconds;
$query = " ...