alert in php echo code example

Example 1: alert in php

echo '<script>alert("Message")</script>';

Example 2: show alert in php

echo '<script language="javascript">alert("juas");</script>';

Example 3: php echo alert js

echo '<script type="text/javascript">alert("Data has been submitted to ' . $to . '");</script>';

Example 4: alert a php variable

echo '<script type="text/javascript">alert("'.$error.'");</script>';