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filter_input

filter_input

Gets a specific external variable by name and optionally filters it

mixed **filter_input** int $type string $var_name int $filter  $options

type One of the constants. INPUT_*

Waarschuwing: > The content of the superglobal that is being filtered is the original "raw" content provided by the , prior to any user modification to the superglobal. To filter a modified superglobal use instead. filter_var

var_name Name of a variable to filter inside the corresponding superglobal. type

On success returns the filtered variable. If the variable is not set false is returned. On failure false is returned, unless the flag is used, in which case null is returned. FILTER_NULL_ON_FAILURE

Voorbeeld: A example

<?php
$search_html = filter_input(INPUT_GET, 'search', FILTER_SANITIZE_SPECIAL_CHARS);
$search_url = filter_input(INPUT_GET, 'search', FILTER_SANITIZE_ENCODED);
echo "You have searched for $search_html.\n";
echo "<a href='?search=$search_url'>Search again.</a>";
?>

You have searched for Me &#38; son.
<a href='?search=Me%20%26%20son'>Search again.</a>

filter_input_array``filter_var``filter_var_array``FILTER_VALIDATE_*``FILTER_SANITIZE_*

Vorige ← filter_input_array Volgende filter_list →

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