is_tainted

(PECL taint >=0.1.0)

is_tainted — Check whether a string is tainted

function is_tainted(string $string): bool

Checks whether the given value carries the taint mark. Only strings can ever be tainted; any other type returns false.

Returns true if the value is a tainted string, false otherwise. Always returns false when taint.enable is off.

Beispiel #1 is_tainted() example

<?php
$name = $_GET['name'] ?? 'world';
var_dump(is_tainted($name));
?>

Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:

bool(true)

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