php 网站tpl模板以及解析类

<?php class para { private $tpl; function __construct($_tplfile) { $this->tpl=file_get_contents($_tplfile); } public function compile($_parafile) { //解析模板内容 $this->parvar(); $this->parforeach(); $this->parif(); $this->paraconfig(); $this->parainclude(); //编译tpl模板 file_put_contents($_parafile,$this->tpl); } private function parvar() { $pattern='/\{\$([\w]+)\}/'; preg_match($pattern,$this->tpl); $this->tpl=@preg_replace($pattern,"<?php echo \$this->vars['$1'];?>",$this->tpl); } private function parforeach() { $patternst='/\{foreach\$([\w]+)\s+\(([\w]+),([\w]+)\)\}/'; if(preg_match($patternst,$this->tpl)) {echo "i see"; $this->tpl=@preg_replace($patternst,"<?php foreach(\$this->vars['$1'] as \$$2=>\$$3){?>",$this->tpl);} $patternend='/\{\/foreach\}/'; if(preg_match($patternend,$this->tpl)) { $this->tpl=@preg_replace($patternend,"<?php }?>",$this->tpl); } $patternvar1='/\{@([\w]+)\}/'; if(preg_match($patternvar1,$this->tpl)) { $this->tpl=preg_replace($patternvar1,"<?php echo \$$1;?>",$this->tpl); } } private function parif() { $pattern1='/\{if\s+\$([\w]+)\}/'; $patternelse="/\{else\}/"; if(preg_match($pattern1,$this->tpl)) { $this->tpl=@preg_replace($pattern1,"<?php if (\$this->vars['$1']){?>",$this->tpl); if(preg_match($patternelse,$this->tpl)) { $this->tpl=preg_replace($patternelse,"<?php }else{ ?>",$this->tpl); } } $pattern2='/\{\/if\}/'; if(preg_match($pattern2,$this->tpl)) { $this->tpl=@preg_replace($pattern2,"<?php } ?>",$this->tpl); } } function paraconfig() { $pattern='/<--!\{([\w]+)\}>/'; if(preg_match($pattern,$this->tpl)) { $this->tpl=preg_replace($pattern,"<?php echo \$this->config['$1'];?>",$this->tpl); } } private function parainclude() { $pattern="/\{include\s+file=\"([\w\.\-]+)\"\}/"; if(preg_match($pattern,$this->tpl)) { echo "我找到了include"; $this->tpl=preg_replace($pattern,"<?php echo include '$1'; ?>",$this->tpl); } } } ?>