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22 lines
490 B
22 lines
490 B
<?php
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session_start();
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if (empty($_SESSION['csrf'])) {
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if (function_exists('random_bytes')) {
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$_SESSION['csrf'] = bin2hex(random_bytes(32));
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} else if (function_exists('mcrypt_create_iv')) {
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$_SESSION['csrf'] = bin2hex(mcrypt_create_iv(32, MCRYPT_DEV_URANDOM));
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} else {
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$_SESSION['csrf'] = bin2hex(openssl_random_pseudo_bytes(32));
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}
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}
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/**
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* Escapes HTML for output
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*
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*/
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function escape($html) {
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return htmlspecialchars($html, ENT_QUOTES | ENT_SUBSTITUTE, "UTF-8");
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}
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