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Examples of Htmlspecialchars PHP

Htmlspecialchars PHP

Post by natttt
Posted on 2011-01-15 12:38:54
The htmlspecialchars() function converts special characters to HTML entities

string htmlspecialchars ( string $string <, int $flags = ENT_COMPAT <, string $charset <, bool $double_encode = true >>> )

The translations performed are:

* "&" (ampersand) becomes "&amp;"
* """ (double quote) becomes "&quot;" when ENT_NOQUOTES is not set.
* """ (single quote) becomes "&#039;" only when ENT_QUOTES is set.
* "<" (less than) becomes "&lt;"
* ">" (greater than) becomes "&gt;"

Example of htmlspecialchars() function:

$new = htmlspecialchars("<a href="test">Test</a>", ENT_QUOTES);
echo $new;

output: &lt;a href=&#039;test&#039;&gt;Test&lt;/a&gt;

Other example:

$str = "Jane & "Tarzan"";
echo htmlspecialchars($str, ENT_COMPAT);
echo "<br />";
echo htmlspecialchars($str, ENT_QUOTES);
echo "<br />";
echo htmlspecialchars($str, ENT_NOQUOTES);

The browser output of the code above will be:
Jane & "Tarzan"
Jane & "Tarzan"
Jane & "Tarzan"

If you select "View source" in the browser window, you will see the following HTML:
Jane &amp; "Tarzan"<br />
Jane &amp; &#039;Tarzan&#039;<br />
Jane &amp; "Tarzan"

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