You've already forked qlg.tsgz.moe
386 lines
12 KiB
PHP
Executable File
386 lines
12 KiB
PHP
Executable File
<?php
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class LtTemplateView
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{
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public $layout;
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public $layoutDir;
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public $template;
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public $templateDir;
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public $compiledDir;
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public $autoCompile; // bool
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public $component; // bool
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private $tpl_include_files;
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public function __construct()
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{
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/**
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* 自动编译通过对比文件修改时间确定是否编译,
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* 当禁止自动编译时, 需要手工删除编译后的文件来重新编译.
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*
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* 支持component include自动编译
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*/
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$this->autoCompile = true;
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$this->component = false;
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}
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public function render()
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{
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if (empty($this->compiledDir))
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{
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$this->compiledDir = dirname($this->templateDir) . "/viewTpl/";
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}
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if (!empty($this->layout))
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{
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include $this->template(true);
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}
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else if ($this->component)
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{
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return; // 模板内使用{component module action}合并文件
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}
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else
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{
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include $this->template();
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}
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}
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/**
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* 返回编译后的模板路径, 如果不存在则编译生成并返回路径.
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* 如果文件存在且允许自动编译, 则对比模板文件和编译后的文件修改时间
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* 当修改模板后自支重新编译
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*
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* @param bool $islayout 是否使用布局
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* @return string 返回编译后的模板路径
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*/
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public function template($islayout = false)
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{
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$this->layoutDir = rtrim($this->layoutDir, '\\/') . '/';
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$this->compiledDir = rtrim($this->compiledDir, '\\/') . '/';
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$this->templateDir = rtrim($this->templateDir, '\\/') . '/';
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if ($islayout)
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{
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$tplfile = $this->layoutDir . $this->layout . '.php';
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$objfile = $this->compiledDir . 'layout/' . $this->layout . '@' . $this->template . '.php';
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}
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else
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{
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$tplfile = $this->templateDir . $this->template . '.php';
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$objfile = $this->compiledDir . $this->template . '.php';
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}
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if (is_file($objfile))
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{
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if ($this->autoCompile)
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{
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$iscompile = true;
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$tpl_include_files = include($objfile);
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$last_modified_time = array();
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foreach($tpl_include_files as $f)
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{
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$last_modified_time[] = filemtime($f);
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}
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if (filemtime($objfile) == max($last_modified_time))
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{
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$iscompile = false;
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}
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}
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else
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{
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$iscompile = false;
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}
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}
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else
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{
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// 目标文件不存在,编译模板
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$iscompile = true;
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}
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if ($iscompile)
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{
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$this->tpl_include_files[] = $objfile;
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$this->tpl_include_files[] = $tplfile;
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$dir = pathinfo($objfile, PATHINFO_DIRNAME);
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if (!is_dir($dir))
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{
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if (!mkdir($dir, 0777, true))
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{
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trigger_error("Can not create $dir");
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}
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}
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$str = file_get_contents($tplfile);
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if (!$str)
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{
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trigger_error('Template file Not found or have no access!', E_USER_ERROR);
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}
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$str = $this->parse($str);
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if ($this->autoCompile)
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{
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$prefix = "<?php\r\nif(isset(\$iscompile)&&true==\$iscompile)\r\nreturn " . var_export(array_unique($this->tpl_include_files), true) . ";?>";
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$prefix = preg_replace("/([\r\n])+/", "\r\n", $prefix);
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$postfix = "\r\n<!--Template compilation time : " . date('Y-m-d H:i:s') . "-->\r\n";
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}
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else
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{
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$prefix = '';
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$postfix = '';
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}
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$str = $prefix . $str . $postfix;
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if (!file_put_contents($objfile, $str))
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{
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if (file_put_contents($objfile . '.tmp', $str))
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{
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copy($objfile . '.tmp', $objfile); // win下不能重命名已经存在的文件
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unlink($objfile . '.tmp');
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}
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}
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@chmod($objfile,0777);
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}
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return $objfile;
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}
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/**
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* 解析{}内字符串,替换php代码
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*
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* @param string $str
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* @return string
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*/
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protected function parse($str)
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{
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$str = $this->removeComments($str);
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$str = $this->parseIncludeComponent($str);
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// 回车 换行
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$str = str_replace("{CR}", "<?php echo \"\\r\";?>", $str);
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$str = str_replace("{LF}", "<?php echo \"\\n\";?>", $str);
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// if else elseif
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$str = preg_replace("/\{if\s+(.+?)\}/", "<?php if(\\1) { ?>", $str);
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$str = preg_replace("/\{else\}/", "<?php } else { ?>", $str);
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$str = preg_replace("/\{elseif\s+(.+?)\}/", "<?php } elseif (\\1) { ?>", $str);
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$str = preg_replace("/\{\/if\}/", "<?php } ?>", $str);
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// loop
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$str = preg_replace("/\{loop\s+(\S+)\s+(\S+)\}/e", "\$this->addquote('<?php if(isset(\\1) && is_array(\\1)) foreach(\\1 as \\2) { ?>')", $str);
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$str = preg_replace("/\{loop\s+(\S+)\s+(\S+)\s+(\S+)\}/e", "\$this->addquote('<?php if(isset(\\1) && is_array(\\1)) foreach(\\1 as \\2=>\\3) { ?>')", $str);
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$str = preg_replace("/\{\/loop\}/", "<?php } ?>", $str);
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// url生成
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$str = preg_replace("/\{url\(([^}]+)\)\}/", "<?php echo LtObjectUtil::singleton('LtUrl')->generate(\\1);?>", $str);
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// 函数
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$str = preg_replace("/\{([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff:]*\s*\(([^{}]*)\))\}/", "<?php echo \\1;?>", $str);
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$str = preg_replace("/\{\\$([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff:]*\(([^{}]*)\))\}/", "<?php echo \$\\1;?>", $str);
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// 变量
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/**
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* 放弃支持$name.name.name
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* $str = preg_replace("/\{(\\\$[a-zA-Z0-9_\[\]\'\"\$\x7f-\xff]+)\.([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)\}/", "<?php echo \\1['\\2'];?>", $str);
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*/
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// 其它变量
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$str = preg_replace("/\{(\\$[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)\}/", "<?php echo \\1;?>", $str);
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$str = preg_replace("/\{(\\$[a-zA-Z0-9_\.\[\]\'\"\$\x7f-\xff]+)\}/e", "\$this->addquote('<?php echo \\1;?>')", $str);
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// 类->属性 类->方法
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$str = preg_replace("/\{(\\\$[a-zA-Z0-9_\[\]\'\"\$\x7f-\xff][+\-\>\$\'\"\,\[\]\(\)a-zA-Z0-9_\x7f-\xff]+)\}/es", "\$this->addquote('<?php echo \\1;?>')", $str);
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// 常量
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$str = preg_replace("/\{([A-Z_\x7f-\xff][A-Z0-9_\x7f-\xff]*)\}/", "<?php echo \\1;?>", $str);
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// 静态变量
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$str = preg_replace("/\{([a-zA-Z0-9_]*::?\\\$[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)\}/", "<?php echo \\1;?>", $str);
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$str = preg_replace("/\{([a-zA-Z0-9_]*::?\\\$[a-zA-Z0-9_\.\[\]\'\"\$\x7f-\xff]+)\}/e", "\$this->addquote('<?php echo \\1;?>')", $str);
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// 合并相邻php标记
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$str = preg_replace("/\?\>\s*\<\?php[\r\n\t ]*/", "", $str);
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/**
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* 删除空行
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* Dos和windows采用回车+换行CR/LF表示下一行,
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* 而UNIX/Linux采用换行符LF表示下一行，
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* 苹果机(MAC OS系统)则采用回车符CR表示下一行.
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* CR用符号 '\r'表示, 十进制ASCII代码是13, 十六进制代码为0x0D;
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* LF使用'\n'符号表示, ASCII代码是10, 十六制为0x0A.
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* 所以Windows平台上换行在文本文件中是使用 0d 0a 两个字节表示,
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* 而UNIX和苹果平台上换行则是使用0a或0d一个字节表示.
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*
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* 这里统一替换成windows平台回车换行, 第二参数考虑 \\1 保持原有
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*/
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$str = preg_replace("/([\r\n])+/", "\r\n", $str);
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// 删除第一行
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$str = preg_replace("/^[\r\n]+/", "", $str);
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// write
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$str = trim($str);
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return $str;
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}
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/**
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* 变量加上单引号
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* 如果是数字就不加单引号, 如果已经加上单引号或者双引号保持不变
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*/
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protected function addquote($var)
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{
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preg_match_all("/\[([a-zA-Z0-9_\-\.\x7f-\xff]+)\]/s", $var, $vars);
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foreach($vars[1] as $k => $v)
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{
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if (is_numeric($v))
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{
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$var = str_replace($vars[0][$k], "[$v]", $var);
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}
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else
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{
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$var = str_replace($vars[0][$k], "['$v']", $var);
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}
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}
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return str_replace("\\\"", "\"", $var);
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}
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/**
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* 模板中第一行可以写exit函数防止浏览
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* 删除行首尾空白, html javascript css注释
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*/
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protected function removeComments($str, $clear = false)
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{
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$str = str_replace(array('<?php exit?>', '<?php exit;?>'), array('', ''), $str);
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// 删除行首尾空白
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$str = preg_replace("/([\r\n]+)[\t ]+/s", "\\1", $str);
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$str = preg_replace("/[\t ]+([\r\n]+)/s", "\\1", $str);
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// 删除 {} 前后的 html 注释 <!-- -->
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$str = preg_replace("/\<\!\-\-\s*\{(.+?)\}\s*\-\-\>/s", "{\\1}", $str);
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$str = preg_replace("/\<\!\-\-\s*\-\-\>/s", "", $str);
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// 删除 html注释 存在 < { 就不删除
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$str = preg_replace("/\<\!\-\-\s*[^\<\{]*\s*\-\-\>/s", "", $str);
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if ($clear)
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{
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$str = $this->clear($str);
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}
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return $str;
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}
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/**
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* 清除一部分 style script内的注释
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* 多行注释内部存在 / 字符就不会清除
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*/
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protected function clear($str)
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{
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preg_match_all("|<script[^>]*>(.*)</script>|Usi", $str, $tvar);
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foreach($tvar[0] as $k => $v)
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{
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// 删除单行注释
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$v = preg_replace("/\/\/\s*[a-zA-Z0-9_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/", "", $v);
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// 删除多行注释
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$v = preg_replace("/\/\*[^\/]*\*\//s", "", $v);
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$str = str_replace($tvar[0][$k], $v, $str);
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}
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preg_match_all("|<style[^>]*>(.*)</style>|Usi", $str, $tvar);
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foreach($tvar[0] as $k => $v)
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{
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// 删除多行注释
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$v = preg_replace("/\/\*[^\/]*\*\//s", "", $v);
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$str = str_replace($tvar[0][$k], $v, $str);
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}
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return $str;
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}
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/**
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*
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* @todo 注意相互引用的模板嵌套会导致死循环
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*/
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protected function parseIncludeComponent($str)
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{
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$count_include_component = preg_match_all("/\{include\s+(.+)\}/", $str, $tvar);
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$count_include_component += preg_match_all("/\{component\s+([a-zA-Z0-9\.\-_]+)\s+([a-zA-Z0-9\.\-_]+)\}/", $str, $tvar);
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unset($tvar);
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while ($count_include_component > 0)
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{
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$str = $this->parseInclude($str);
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$str = $this->parseComponent($str);
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$count_include_component = preg_match_all("/\{include\s+(.+)\}/", $str, $tvar);
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$count_include_component += preg_match_all("/\{component\s+([a-zA-Z0-9\.\-_]+)\s+([a-zA-Z0-9\.\-_]+)\}/", $str, $tvar);
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unset($tvar);
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}
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$str = $this->removeComments($str);
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return $str;
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}
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/**
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* 解析多个{include path/file}合并成一个文件
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*
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* @example {include 'debug_info'}
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* {include 'debug_info.php'}
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* {include "debug_info"}
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* {include "debug_info.php"}
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* {include $this->templateDir . $this->template}
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*/
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private function parseInclude($str)
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{
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$countSubTpl = preg_match_all("/\{include\s+(.+)\}/", $str, $tvar);
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while ($countSubTpl > 0)
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{
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foreach($tvar[1] as $k => $subfile)
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{
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eval("\$subfile = $subfile;");
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if (is_file($subfile))
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{
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$findfile = $subfile;
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}
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else if (is_file($subfile . '.php'))
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{
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$findfile = $subfile . '.php';
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}
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else if (is_file($this->templateDir . $subfile))
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{
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$findfile = $this->templateDir . $subfile;
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}
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else if (is_file($this->templateDir . $subfile . '.php'))
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{
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$findfile = $this->templateDir . $subfile . '.php';
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}
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else
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{
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$findfile = '';
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}
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if (!empty($findfile))
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{
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$subTpl = file_get_contents($findfile);
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$this->tpl_include_files[] = $findfile;
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}
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else
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{
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// 找不到文件
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$subTpl = 'SubTemplate not found:' . $subfile;
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}
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$str = str_replace($tvar[0][$k], $subTpl, $str);
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}
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$countSubTpl = preg_match_all("/\{include\s+(.+)\}/", $str, $tvar);
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}
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return $str;
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}
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/**
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* 解析多个{component module action}合并成一个文件
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*/
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private function parseComponent($str)
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{
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$countCom = preg_match_all("/\{component\s+([a-zA-Z0-9\.\-_]+)\s+([a-zA-Z0-9\.\-_]+)\}/", $str, $tvar);
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while ($countCom > 0)
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{
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$i = 0;
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while ($i < $countCom)
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{
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$comfile = $this->templateDir . "component/" . $tvar[1][$i] . '-' . $tvar[2][$i] . '.php';
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if (is_file($comfile))
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{
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$subTpl = file_get_contents($comfile);
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$this->tpl_include_files[] = $comfile;
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}
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else
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{
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$subTpl = 'SubTemplate not found:' . $comfile;
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}
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////////////////////////////////////////////////////////////////////////////
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$module = $tvar[1][$i];
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$action = $tvar[2][$i];
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$subTpl = "<?php
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\$dispatcher = LtObjectUtil::singleton('LtDispatcher');
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\$dispatcher->dispatchComponent('$module', '$action', \$this->context);
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\$comdata = \$dispatcher->data;
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unset(\$dispatcher);
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?>
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" . $subTpl;
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////////////////////////////////////////////////////////////////////////////
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$str = str_replace($tvar[0][$i], $subTpl, $str);
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$i++;
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}
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$countCom = preg_match_all("/\{component\s+([a-zA-Z0-9\.\-_]+)\s+([a-zA-Z0-9\.\-_]+)\}/", $str, $tvar);
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}
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return $str;
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}
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}
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