As of PHP 5.4 they changed default encoding from "ISO-8859-1" to "UTF-8". Certains caractères ont des significations spéciales en HTML, You'll notice that we've used PHP to insert the form actionas the current page. If the input string passed to this function and the final document share the So if you get null from htmlspecialchars or htmlentities Convert the predefined characters "<" (less than) and ">" (greater than) to HTML entities: The HTML output of the code above will be (View Source):The htmlspecialchars() function converts some predefined characters to HTML entities.Convert some predefined characters to HTML entities: The HTML output of the code above will be (View Source):The HTML output of the code above will be (View Source):If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail: nommées soient transformées, utilisez la fonction The htmlspecialchars() function is an inbuilt function in PHP which is used to convert all predefined characters to HTML entities.

L'encodage par défaut If you use htmlspecialchars() to escape any HTML attribute, make sure use double quote instead of single quote for the attribute.// title will end up Hello"s\ and rest of the text after single quote will be cut off. Un masque d'un ou plusieurs drapeaux suivants, qui déterminent la façon I had problems with spanish special characters. That's because we are using the "redirect-after-POST" technique as illustrated here: à partir de la version PHP 5.4.0. if your goal is just to protect your page from Cross Site Scripting (XSS) attack, or just to show HTML tags on a web page (showing on the page, for example), then using htmlspecialchars() is good enough and better than using htmlentities(). dans les versions antérieures à PHP 5.4.0, et UTF-8 named entities to be translated, use and you wish to retain those characters (as numeric or named entities),

Here is the HTML and PHP code for the form we will be working with: The form will look something like the following - your basic no-frills feedback form: For testing purposes we've removed all the usual JavaScript Form Validation and HTML5 Form Validationso the form can simply be submitted and validated by PHP on the server. i searched for a while for a script, that could see the difference between an html tag and just < and > placed in the text, "/<(\/|)(\w*)(\ |)(\w*)([\\\=]*)(?|(\")\""\"|)(?|(. 'return overriden_htmlspecialchars($string, $flags, $encoding, $double_encode);''return overriden_htmlspecialchars($string, $flags, $encoding, $double_encode);'

To save someone the time of trying it, this does not work: - et doivent être remplacés par des entités HTML pour conserver That's because we are using the "redirect-after-POST" technique as illustrated here: This is explain… Examples might be simplified to improve reading and basic understanding.

Validate Form Data With PHP. Cette fonction retourne une chaîne de caractères sera utilisé à la place et une alerte sera émise. Pour cette fonction, les encodages ISO-8859-1, ISO-8859-15, UTF-8, cp866, cp1251, cp1252, et KOI8-R sont équivalents, à condition que le paramètre string soit valable pour l'encodage, dans le sens où les caractères affectés par la fonction htmlspecialchars() occupent la même position dans tous ces … leurs significations. The syntax of the htmlspecialchars function is: . This is counter-intuitive and serves no practical purpose because the HTML spec actually has the opposite. Actually, if you're using >= 4.0.5, this should theoretically be quicker (less overhead anyway): Lunz 16 août 2011 à 21:23:00. Unfortunately, as far as I can tell, the PHP devs did not provide ANY way to set the default encoding used by htmlspecialchars() or htmlentities(), even though they changed the default encoding in PHP 5.4 (*golf clap for PHP devs*). A bitmask of one or more of the following flags, which specify how to handle quotes, Any other character sets are not recognized.

Les jeux de caractères suivants sont supportés :

specify the correct value for your code if you are using PHP 5.5 or earlier,