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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | daniel-mar | 1 | <?php |
| 2 | |||
| 3 | // PHP-AntiSpam-Funktion "secure_email", Version 3.05 of 2018-07-20 |
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| 4 | // von Daniel Marschall [www.daniel-marschall.de] |
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| 5 | |||
| 6 | function secure_email($email, $linktext, $crypt_linktext) |
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| 7 | { |
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| 8 | // No new lines to avoid a JavaScript error! |
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| 9 | $linktext = str_replace("\r", ' ', $linktext); |
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| 10 | $linktext = str_replace("\n", ' ', $linktext); |
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| 11 | |||
| 12 | if (!function_exists('alas_js_crypt')) |
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| 13 | { |
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| 14 | function alas_js_crypt($text) |
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| 15 | { |
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| 16 | $tmp = ''; |
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| 17 | for ($i=0; $i<strlen($text); $i++) |
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| 18 | { |
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| 19 | $tmp .= 'document.write("&#'.ord(substr($text, $i, 1)).';");'; |
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| 20 | } |
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| 21 | return $tmp; |
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| 22 | } |
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| 23 | } |
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| 24 | |||
| 25 | if (!function_exists('alas_js_write')) |
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| 26 | { |
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| 27 | function alas_js_write($text) |
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| 28 | { |
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| 29 | $text = str_replace('\\', '\\\\', $text); |
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| 30 | $text = str_replace('"', '\"', $text); |
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| 31 | $text = str_replace('/', '\/', $text); // W3C Validation </a> -> <\/a> |
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| 32 | return 'document.write("'.$text.'");'; |
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| 33 | } |
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| 34 | } |
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| 35 | |||
| 36 | $aus = ''; |
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| 37 | if ($email != '') |
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| 38 | { |
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| 39 | $aus .= '<script><!--'."\n"; // type="text/javascript" is not necessary in HTML5 |
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| 40 | $aus .= alas_js_write('<a href="'); |
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| 41 | $aus .= alas_js_crypt('mailto:'.$email); |
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| 42 | $aus .= alas_js_write('">'); |
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| 43 | $aus .= $crypt_linktext ? alas_js_crypt($linktext) : alas_js_write($linktext); |
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| 44 | $aus .= alas_js_write('</a>').'// --></script>'; |
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| 45 | } |
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| 46 | |||
| 47 | return $aus.'<noscript>Please enable JavaScript to display this email address.</noscript>'; |
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| 48 | } |