Popup in php

<body>
<?php
$message='Here is an alert message written by php';
 
echo '<script type="text/javascript">window.alert("'.$message.'");</script>';
?>
</body>

Popup en php

<body>
<?php
$message='Voici un message en javascript écrit par php';
 
echo '<script type="text/javascript">window.alert("'.$message.'");</script>';
?>
</body>

Source: openclassrooms.com

Popup en php

<script>alert("<?php echo htmlspecialchars('Voici un message en JS écrit par PHP', ENT_QUOTES); ?>")</script>

Source: openclassrooms.com

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