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- 定格_尘缘 2017-06-20
- 获取匹配字符串中的第一个子模式使用$1 或\\1
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- Best小郑 2017-01-10
- PHP正则表达式
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- 异常代码 2016-11-10
- $1表示第一个子模式，也可以写成\\1
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- 不当女神好多年 2016-08-18
- <?php //定义正则表达式 $pattern = '/\{#'; $pattern .= ' *\$([a-zA-Z_]\w*) *'; $pattern .= '#\}/'; //定义匹配的目标数据 $subject = '测试：{#$test#}'; //将$subject进行正则替换 //$subject = preg_replace($pattern, 'imooc', $subject); //$subject = preg_replace($pattern, 'imooc$1', $subject); $subject = preg_replace($pattern, '<?php echo $$1;?>', $subject); // $$1<=>$\\1 echo $subject; ?>
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- 林静听蝉 2015-09-24
- <?php //定义正则表达式 $pattern = '/\{#'; $pattern .= ' *\$([a-zA-Z_]\w*) *'; $pattern .= '#\}/'; //定义匹配的目标数据 $subject = '测试：{#$test#}'; //将$subject进行正则替换 //$subject = preg_replace($pattern, 'imooc', $subject); //$subject = preg_replace($pattern, 'imooc$1', $subject); $subject = preg_replace($pattern, '<?php echo $$1;?>', $subject); // $$1<=>$\\1 echo $subject; ?>
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- lc_w 2015-08-17
- $pattern = '/\w+\.\w+/'; $subject = 'files: index.php,abc.css,what.html'; $replacement = '<h1>$0</h1>'; echo preg_replace($pattern,$replacement,$subject); 本地测试$0才可按预期获取，不可用$1
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- lc_w 2015-08-17
- $subject = '{#$test#}'; $subject = preg_replace($pattern,'<php echo $\\1;?,>'$subject); echo $subject;
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- webwwb 2015-06-17
- $subject = '{#$test#}'; $subject = preg_replace($pattern,'<php echo $\\1;?,>'$subject); echo $subject;
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- Aidcat 2015-05-20
- template.class.php (2) //模板编译方法 public function compileTemplate($templateName = null, $ext = '.html') { $templateName = empty($templateName) ? $this->currentTemp : $templateName; $pattern = '/'.preg_quote($this->leftTag); $pattern .= ' *\$([a-zA-Z_]\w*) *'; $pattern .= preg_quote($this->rightTag).'/'; $this->outputHtml = preg_replace($pattern, '<?php echo $this->getVar(\'$1\');?>', $this->outputHtml); $compiledFilename = $this->compileDir.md5($templateName).$ext; file_put_contents($compiledFilename, $this->outputHtml); } public function display($templateName = null, $ext = '.html') { $templateName = empty($templateName) ? $this->currentTemp : $templateName; include_once $this->compileDir.md5($templateName).$ext; } }
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- Aidcat 2015-05-20
- template.class.php (1) <?php class template { private $templateDir; //存储模板引擎原文件 private $compileDir; //存储编译后文件存放目录 private $leftTag = '{#'; //模版文件中需要替换掉的变量的标记 private $rightTag = '#}'; private $currentTemp = ''; //用来存储当前正在编译的文件名 private $outputHtml; //存放正在编译的html代码 private $varPool = array(); //空数组，变量池 public function __construct($templateDir, $compileDir, $leftTag = null, $rightTag = null) { $this->templateDir = $templateDir; $this->compileDir = $compileDir; if(!empty($leftTag)) $this->leftTag = $leftTag; if(!empty($rightTag)) $this->rightTag = $rightTag; } //在编译之前，将变量放在变量池中 public function assign($tag, $var) { $this->varPool[$tag] = $var; } public function getVar($tag) { return $this->varPool[$tag]; } //获取模板原文件的名称 public function getSourceTemplate($templateName, $ext = '.html') { $this->currentTemp = $templateName; $sourceFilename = $this->templateDir.$this->currentTemp.$ext; $this->outputHtml = file_get_contents($sourceFilename); }
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