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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 18 | PointedEar | 1 | /** |
| 2 | * Converts the argument to a visible (X)HTML hyperlink |
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| 3 | * where its URI target is created from the argument. |
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| 4 | * Supported are e-mail addresses, domain names with |
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| 5 | * optional paths, and valid URIs. |
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| 6 | * |
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| 7 | * @param $text |
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| 8 | * Argument to be converted. |
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| 9 | * @return |
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| 10 | * The converted argument if it applies to a supported |
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| 11 | * scheme, the unconverted argument otherwise. |
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| 12 | * |
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| 13 | * @author (C) 2001-04-04T02:03 |
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| 14 | * mark.young@vdhinc.com at http://php.net/manual/en/ref.strings.php |
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| 15 | * |
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| 16 | * Minor correction to my HTMLEncode function. |
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| 17 | * |
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| 18 | * @author 2002-08-29T09:00 |
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| 19 | * Thomas Lahn <PointedEars@selfhtml.de> at localhost |
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| 20 | * |
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| 21 | * - Added target="_blank" |
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| 22 | * - Added support for ftp(s)-URIs: (ht|f) |
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| 23 | * - Added support for search strings (?...=...&...=...), either |
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| 24 | * with or without HTML entities: \?=(&\w;|&) |
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| 25 | * - Removed enclosing nl2br call because of preformatted display |
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| 26 | * |
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| 27 | * @author 2003-12-30T14:18 |
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| 28 | * Thomas Lahn <PointedEars@selfhtml.de> at localhost |
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| 29 | * |
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| 30 | * - Removed target="_blank". |
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| 31 | * - Added PHPdoc. |
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| 32 | * |
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| 33 | * @author 2004-01-12T12:45 |
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| 34 | * Thomas Lahn <PointedEars@selfhtml.de> at localhost |
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| 35 | * |
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| 36 | * - Added support for #fragment_identifiers in URIs. |
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| 37 | * - Added support for bugs and comments. |
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| 38 | * |
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| 39 | * @author 2004-01-13T01:29 |
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| 40 | * Thomas Lahn <PointedEars@selfhtml.de> at localhost |
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| 41 | * |
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| 42 | * - Added support for bug aliases. |
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| 43 | * |
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| 44 | * @author 2004-01-26T20:43 |
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| 45 | * Thomas Lahn <PointedEars@selfhtml.de> at localhost |
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| 46 | * |
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| 47 | * - Do not convert URIs in A elements. |
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| 48 | * - Do not allow URIs with "&" before search-string. |
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| 49 | * - camelCased function identifier. Only classes |
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| 50 | * and constructors should start with uppercase. |
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| 51 | * |
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| 52 | * @author 2004-01-27T14:07 |
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| 53 | * Thomas Lahn <PointedEars@selfhtml.de> at localhost |
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| 54 | * |
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| 55 | * - Allow to convert URIs preceded by ">" but not followed by "</a>". |
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| 56 | * - Allow ";" to be part of the search string |
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| 57 | * |
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| 58 | * @author 2004-01-29T14:10 |
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| 59 | * Thomas Lahn <PointedEars@selfhtml.de> at localhost |
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| 60 | * |
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| 61 | * - Require valid domain name for "bar" on conversion of "foo@bar" and |
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| 62 | * "www.bar". |
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| 63 | * - Be case-insensitive except of bug aliases |
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| 64 | * - Escaped "-" in character classes if not meant as range metacharacter. |
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| 65 | * - Corrected year. |
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| 66 | * |
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| 67 | * @author 2004-02-14T17:37 |
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| 68 | * Thomas Lahn <PointedEars@selfhtml.de> at localhost |
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| 69 | * |
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| 70 | * - Accept only valid Internet domain names |
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| 71 | * - Accept "%" within path and query part (to escape ASCII characters) |
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| 72 | * |
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| 73 | * @author 2004-02-27T19:21 |
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| 74 | * Thomas Lahn <PointedEars@selfhtml.de> at localhost |
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| 75 | * |
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| 76 | * - Allow unescaped ":" in URI components, since it apparently does not |
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| 77 | * "conflict with the reserved purpose" (RFC 2396, section 2.2.; here: |
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| 78 | * scheme component) |
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| 79 | * - Allow slashes, dots and dashes in URI components |
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| 80 | * - Removed invalid [...(...|...)...] |
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| 81 | * |
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| 82 | * @author 2004-03-01T21:48 |
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| 83 | * Thomas Lahn <PointedEars@selfhtml.de> at localhost |
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| 84 | * |
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| 85 | * - Allow IPv4 addresses |
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| 86 | * |
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| 87 | * @author 2004-03-08T02:20 |
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| 88 | * Thomas Lahn <PointedEars@selfhtml.de> at localhost |
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| 89 | * |
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| 90 | * - Allow "+" and "," in query part |
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| 91 | * - Optimized character classes |
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| 92 | */ |
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| 93 | function htmlEncode($text) |
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| 94 | { |
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| 95 | $searcharray = array( |
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| 96 | "'(?i)([\-_\w\d.]+@[\-\w\d.]+\.[A-Z]{2,})'i", |
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| 97 | "'(?i)((?:(?!://).{3}|^.{0,2}))(www\.[\-\w\d.]+\.[A-Z]{2,}" |
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| 98 | . "|\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})'i", |
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| 99 | "'(?i)(?<!href=\")((ht|f)tps?:\/\/([\-\w\d.]+\.[A-Z]{2,}" |
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| 100 | . "|\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})[#\-_~\w\d\.\/%]+" |
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| 101 | . "(\?([%&+-;=\w])*)?(;[=\d\w])?)(?!</a>)'i", |
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| 102 | "'(((?i)bug)\s+#?([\dA-Z_]+)\s+((?i)comment|Kommentar)\s+#?(\d+))'", |
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| 103 | "'(((?i)bug)\s+#?([\dA-Z_]+))'", |
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| 104 | "'(((?i)comment|Kommentar)\s+#?(\d+))'" |
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| 105 | ); |
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| 106 | |||
| 107 | $replacearray = array( |
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| 108 | "<a href=\"mailto:\\1\">\\1</a>", |
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| 109 | "\\1http://\\2", |
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| 110 | "<a href=\"\\1\">\\1</a>", |
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| 111 | "<a href=\"./?bug=\\3#c\\5\">\\1</a>", |
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| 112 | "<a href=\"./?bug=\\3#details\">\\1</a>", |
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| 113 | "<a href=\"#c\\3\">\\1</a>" |
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| 114 | ); |
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| 115 | |||
| 116 | return preg_replace($searcharray, $replacearray, $text); |
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| 117 | } |