后端开发|php教程
PHP,生成,plist数据
后端开发-php教程
本篇文章主要介绍PHP数组转换为苹果plist XML或文本格式的功能，感兴趣的朋友参考下，希望对大家有所帮助。
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本文实例讲述了PHP生成plist数据的方法。具体如下：
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这段代码实现PHP数组转换为苹果plist XML或文本格式
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<?PHP/** * PropertyList class * Implements writing Apple Property List (.plist) XML and text files from an array. * * @author Jesus A. Alvarez */function plist_encode_text ($obj) {$plist = new PropertyList($obj);return $plist->text();}function plist_encode_xml ($obj) {$plist = new PropertyList($obj);return $plist->xml();}class PropertyList{private $obj, $xml, $text;public function __construct ($obj) {$this->obj = $obj;}private static function is_assoc ($array) {return (is_array($array) && 0 !== count(array_diff_key($array, array_keys(array_keys($array)))));}public function xml () {if (isset($this->xml)) return $this->xml;$x = new XMLWriter();$x->openMemory();$x->setIndent(TRUE);$x->startDocument(1.0, UTF-8);$x->writeDTD(plist, -//Apple//DTD PLIST 1.0//EN, /DTDs/PropertyList-1.0.dtd);$x->startElement(plist);$x->writeAttribute(version, 1.0);$this->xmlWriteValue($x, $this->obj);$x->endElement(); // plist$x->endDocument();$this->xml = $x->outputMemory();return $this->xml;}public function text() {if (isset($this->text)) return $this->text;$text = \;$this->textWriteValue($text, $this->obj);$this->text = $text;return $this->text;}private function xmlWriteDict(XMLWriter $x, &$dict) {$x->startElement(dict);foreach($dict as $k => &$v) {$x->writeElement(key, $k);$this->xmlWriteValue($x, $v);}$x->endElement(); // dict}private function xmlWriteArray(XMLWriter $x, &$arr) {$x->startElement(array);foreach($arr as &$v)$this->xmlWriteValue($x, $v);$x->endElement(); // array}private function xmlWriteValue(XMLWriter $x, &$v) {if (is_int($v) || is_long($v))$x->writeElement(integer, $v);elseif (is_float($v) || is_real($v) || is_double($v))$x->writeElement( eal, $v);elseif (is_string($v))$x->writeElement(string, $v);elseif (is_bool($v))$x->writeElement($v? rue:false);elseif (PropertyList::is_assoc($v))$this->xmlWriteDict($x, $v);elseif (is_array($v))$this->xmlWriteArray($x, $v);elseif (is_a($v, PlistData))$x->writeElement(data, $v->base64EncodedData());elseif (is_a($v, PlistDate))$x->writeElement(date, $v->encodedDate());else {trigger_error("Unsupported data type in plist ($v)", E_USER_WARNING);$x->writeElement(string, $v);}}private function textWriteValue(&$text, &$v, $indentLevel = 0) {if (is_int($v) || is_long($v))$text .= sprintf("%d", $v);elseif (is_float($v) || is_real($v) || is_double($v))$text .= sprintf("%g", $v);elseif (is_string($v))$this->textWriteString($text, $v);elseif (is_bool($v))$text .= $v?YES:NO;elseif (PropertyList::is_assoc($v))$this->textWriteDict($text, $v, $indentLevel);elseif (is_array($v))$this->textWriteArray($text, $v, $indentLevel);elseif (is_a($v, PlistData))$text .= hexEncodedData() . >;elseif (is_a($v, PlistDate))$text .= \" . $v->ISO8601Date() . \";else {trigger_error("Unsupported data type in plist ($v)", E_USER_WARNING);$this->textWriteString($text, $v);}}private function textWriteString(&$text, &$str) {$oldlocale = setlocale(LC_CTYPE, "0");if (ctype_alnum($str)) $text .= $str;else $text .= \" . $this->textEncodeString($str) . \";setlocale(LC_CTYPE, $oldlocale);}private function textEncodeString(&$str) {$newstr = \;$i = 0;$len = strlen($str);while($i = 0x07 && $ch <= 0x0D ){// control characters with escape sequences$newstr .= \\\ . substr(abtnvfr, $ch - 7, 1);$i++;} else if ($ch < 32) {// other non-printable characters escaped as unicode$newstr .= sprintf(\U%04x, $ch);$i++;} else if ($ch < 128) {// ascii printable$newstr .= chr($ch);$i++;} else if ($ch == 192 || $ch == 193) {// invalid encoding of ASCII characters$i++;} else if (($ch & 0xC0) == 0x80){// part of a lost multibyte sequence, skip$i++;} else if (($ch & 0xE0) == 0xC0) {// U+0080 - U+07FF (2 bytes)$u = (($ch & 0x1F) << 6) | (ord(substr($str, $i+1, 1)) & 0x3F);$newstr .= sprintf(\U%04x, $u);$i += 2;} else if (($ch & 0xF0) == 0xE0) {// U+0800 - U+FFFF (3 bytes)$u = (($ch & 0x0F) << 12) | ((ord(substr($str, $i+1, 1)) & 0x3F) << 6) | (ord(substr($str, $i+2, 1)) & 0x3F);$newstr .= sprintf(\U%04x, $u);$i += 3;} else if (($ch & 0xF8) == 0xF0) {// U+10000 - U+3FFFF (4 bytes)$u = (($ch & 0x07) << 18) | ((ord(substr($str, $i+1, 1)) & 0x3F) << 12) | ((ord(substr($str, $i+2, 1)) & 0x3F) << 6) | (ord(substr($str, $i+3, 1)) & 0x3F);$newstr .= sprintf(\U%04x, $u);$i += 4;} else {// 5 and 6 byte sequences are not valid UTF-8$i++;}}return $newstr;}private function textWriteDict(&$text, &$dict, $indentLevel) {if (count($dict) == 0) {$text .= {};return;}$text .= "{\n";$indent = \;$indentLevel++;while(strlen($indent) &$v) {$text .= $indent;$this->textWriteValue($text, $k);$text .= = ;$this->textWriteValue($text, $v, $indentLevel);$text .= ";\n";}$text .= substr($indent, 0, -1) . };}private function textWriteArray(&$text, &$arr, $indentLevel) {if (count($arr) == 0) {$text .= ();return;}$text .= "(\n";$indent = \;$indentLevel++;while(strlen($indent) textWriteValue($text, $v, $indentLevel);$text .= ",\n";}$text .= substr($indent, 0, -1) . );}}class PlistData{private $data;public function __construct($str) {$this->data = $str;}public function base64EncodedData () {return base64_encode($this->data);}public function hexEncodedData () {$len = strlen($this->data);$hexstr = \;for($i = 0; $i data, $i, 4)) . ;return substr($hexstr, 0, -1);}}class PlistDate{private $dateval;public function __construct($init = NULL) {if (is_int($init))$this->dateval = $init;elseif (is_string($init))$this->dateval = strtotime($init);elseif ($init == NULL)$this->dateval = time();}public function ISO8601Date() {return gmdate(Y-m-d\TH:i:s\Z, $this->dateval);}}?>
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