updated plugin WP Mail SMTP version 2.4.0

wp-content/plugins/wp-mail-smtp/vendor_prefixed/symfony/polyfill-php72/Php72.php

@@ -0,0 +1,176 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace WPMailSMTP\Vendor\Symfony\Polyfill\Php72;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ * @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
+ *
+ * @internal
+ */
+final class Php72
+{
+    private static $hashMask;
+    public static function utf8_encode($s)
+    {
+        $s .= $s;
+        $len = \strlen($s);
+        for ($i = $len >> 1, $j = 0; $i < $len; ++$i, ++$j) {
+            switch (\true) {
+                case $s[$i] < "<EFBFBD>":
+                    $s[$j] = $s[$i];
+                    break;
+                case $s[$i] < "<EFBFBD>":
+                    $s[$j] = "<EFBFBD>";
+                    $s[++$j] = $s[$i];
+                    break;
+                default:
+                    $s[$j] = "<EFBFBD>";
+                    $s[++$j] = \chr(\ord($s[$i]) - 64);
+                    break;
+            }
+        }
+        return \substr($s, 0, $j);
+    }
+    public static function utf8_decode($s)
+    {
+        $s = (string) $s;
+        $len = \strlen($s);
+        for ($i = 0, $j = 0; $i < $len; ++$i, ++$j) {
+            switch ($s[$i] & "<EFBFBD>") {
+                case "<EFBFBD>":
+                case "<EFBFBD>":
+                    $c = \ord($s[$i] & "\37") << 6 | \ord($s[++$i] & "?");
+                    $s[$j] = $c < 256 ? \chr($c) : '?';
+                    break;
+                case "<EFBFBD>":
+                    ++$i;
+                // no break
+                case "<EFBFBD>":
+                    $s[$j] = '?';
+                    $i += 2;
+                    break;
+                default:
+                    $s[$j] = $s[$i];
+            }
+        }
+        return \substr($s, 0, $j);
+    }
+    public static function php_os_family()
+    {
+        if ('\\' === \DIRECTORY_SEPARATOR) {
+            return 'Windows';
+        }
+        $map = array('Darwin' => 'Darwin', 'DragonFly' => 'BSD', 'FreeBSD' => 'BSD', 'NetBSD' => 'BSD', 'OpenBSD' => 'BSD', 'Linux' => 'Linux', 'SunOS' => 'Solaris');
+        return isset($map[\PHP_OS]) ? $map[\PHP_OS] : 'Unknown';
+    }
+    public static function spl_object_id($object)
+    {
+        if (null === self::$hashMask) {
+            self::initHashMask();
+        }
+        if (null === ($hash = \spl_object_hash($object))) {
+            return;
+        }
+        // On 32-bit systems, PHP_INT_SIZE is 4,
+        return self::$hashMask ^ \hexdec(\substr($hash, 16 - (\PHP_INT_SIZE * 2 - 1), \PHP_INT_SIZE * 2 - 1));
+    }
+    public static function sapi_windows_vt100_support($stream, $enable = null)
+    {
+        if (!\is_resource($stream)) {
+            \trigger_error('sapi_windows_vt100_support() expects parameter 1 to be resource, ' . \gettype($stream) . ' given', \E_USER_WARNING);
+            return \false;
+        }
+        $meta = \stream_get_meta_data($stream);
+        if ('STDIO' !== $meta['stream_type']) {
+            \trigger_error('sapi_windows_vt100_support() was not able to analyze the specified stream', \E_USER_WARNING);
+            return \false;
+        }
+        // We cannot actually disable vt100 support if it is set
+        if (\false === $enable || !self::stream_isatty($stream)) {
+            return \false;
+        }
+        // The native function does not apply to stdin
+        $meta = \array_map('strtolower', $meta);
+        $stdin = 'php://stdin' === $meta['uri'] || 'php://fd/0' === $meta['uri'];
+        return !$stdin && (\false !== \getenv('ANSICON') || 'ON' === \getenv('ConEmuANSI') || 'xterm' === \getenv('TERM') || 'Hyper' === \getenv('TERM_PROGRAM'));
+    }
+    public static function stream_isatty($stream)
+    {
+        if (!\is_resource($stream)) {
+            \trigger_error('stream_isatty() expects parameter 1 to be resource, ' . \gettype($stream) . ' given', \E_USER_WARNING);
+            return \false;
+        }
+        if ('\\' === \DIRECTORY_SEPARATOR) {
+            $stat = @\fstat($stream);
+            // Check if formatted mode is S_IFCHR
+            return $stat ? 020000 === ($stat['mode'] & 0170000) : \false;
+        }
+        return \function_exists('posix_isatty') && @\posix_isatty($stream);
+    }
+    private static function initHashMask()
+    {
+        $obj = (object) array();
+        self::$hashMask = -1;
+        // check if we are nested in an output buffering handler to prevent a fatal error with ob_start() below
+        $obFuncs = array('ob_clean', 'ob_end_clean', 'ob_flush', 'ob_end_flush', 'ob_get_contents', 'ob_get_flush');
+        foreach (\debug_backtrace(\PHP_VERSION_ID >= 50400 ? \DEBUG_BACKTRACE_IGNORE_ARGS : \false) as $frame) {
+            if (isset($frame['function'][0]) && !isset($frame['class']) && 'o' === $frame['function'][0] && \in_array($frame['function'], $obFuncs)) {
+                $frame['line'] = 0;
+                break;
+            }
+        }
+        if (!empty($frame['line'])) {
+            \ob_start();
+            \debug_zval_dump($obj);
+            self::$hashMask = (int) \substr(\ob_get_clean(), 17);
+        }
+        self::$hashMask ^= \hexdec(\substr(\spl_object_hash($obj), 16 - (\PHP_INT_SIZE * 2 - 1), \PHP_INT_SIZE * 2 - 1));
+    }
+    public static function mb_chr($code, $encoding = null)
+    {
+        if (0x80 > ($code %= 0x200000)) {
+            $s = \chr($code);
+        } elseif (0x800 > $code) {
+            $s = \chr(0xc0 | $code >> 6) . \chr(0x80 | $code & 0x3f);
+        } elseif (0x10000 > $code) {
+            $s = \chr(0xe0 | $code >> 12) . \chr(0x80 | $code >> 6 & 0x3f) . \chr(0x80 | $code & 0x3f);
+        } else {
+            $s = \chr(0xf0 | $code >> 18) . \chr(0x80 | $code >> 12 & 0x3f) . \chr(0x80 | $code >> 6 & 0x3f) . \chr(0x80 | $code & 0x3f);
+        }
+        if ('UTF-8' !== $encoding) {
+            $s = \mb_convert_encoding($s, $encoding, 'UTF-8');
+        }
+        return $s;
+    }
+    public static function mb_ord($s, $encoding = null)
+    {
+        if (null == $encoding) {
+            $s = \mb_convert_encoding($s, 'UTF-8');
+        } elseif ('UTF-8' !== $encoding) {
+            $s = \mb_convert_encoding($s, 'UTF-8', $encoding);
+        }
+        if (1 === \strlen($s)) {
+            return \ord($s);
+        }
+        $code = ($s = \unpack('C*', \substr($s, 0, 4))) ? $s[1] : 0;
+        if (0xf0 <= $code) {
+            return ($code - 0xf0 << 18) + ($s[2] - 0x80 << 12) + ($s[3] - 0x80 << 6) + $s[4] - 0x80;
+        }
+        if (0xe0 <= $code) {
+            return ($code - 0xe0 << 12) + ($s[2] - 0x80 << 6) + $s[3] - 0x80;
+        }
+        if (0xc0 <= $code) {
+            return ($code - 0xc0 << 6) + $s[2] - 0x80;
+        }
+        return $code;
+    }
+}