去除php注释和去除空格函数分享

PHP内置了贰个php_strip_whitespace方法用于读取php文件并剔除代码中的空白和注释,但不辅助直接读取内容去除空白和注释,上面包车型客车点子则能够帮忙读取字符串内容,并且ThinkPHP框架内置了该办法。

虽然php5中已有php_strip_whitespace方法能够回去删除注释和空格后的PHP源码的效能,为了求学,这里为我们提供三个投机的法子,也足以去除代码中的空白和注释,代码如下:

/**

复制代码 代码如下:

* 去除代码中的空白和注释

/**
 * 去除代码中的空白和注释
 * @param string $content 代码内容
 * @return string
 */
function strip_whitespace($content) {
    $stripStr   = ”;
    //分析php源码
    $tokens     = token_get_all($content);
    $last_space = false;
    for ($i = 0, $j = count($tokens); $i < $j; $i++) {
        if (is_string($tokens[$i])) {
            $last_space = false;
            $stripStr  .= $tokens[$i];
        } else {
            switch ($tokens[$i][0]) {
                //过滤种种PHP注释
                case T_COMMENT:
澳门新浦京8455com,                case T_DOC_COMMENT:
                    break;
                //过滤空格
                case T_WHITESPACE:
                    if (!$last_space) {
                        $stripStr  .= ‘ ‘;
                        $last_space = true;
                    }
                    break;
                case T_START_HEREDOC:
                    $stripStr .= “<<<THINKn”;
                    break;
                case T_END_HEREDOC:
                    $stripStr .= “THINK;n”;
                    for($k = $i+1; $k < $j; $k++) {
                        if(is_string($tokens[$k]) && $tokens[$k] ==
‘;’) {
                            $i = $k;
                            break;
                        } else if($tokens[$k][0] == T_CLOSE_TAG)
{
                            break;
                        }
                    }
                    break;
                default:
                    $last_space = false;
                    $stripStr  .= $tokens[$i][1];
            }
        }
    }
    return $stripStr;
}

* @param string $content 代码内容

* @return string

*/

function strip_whitespace($content) {

$stripStr = ;

//分析php源码

$tokens = token_get_all($content);

$last_space = false;

for ($i = 0, $j = count($tokens); $i $j; $i++) {

if (is_string($tokens[$i])) {

$last_space = false;

$stripStr .= $tokens[$i];

} else {

switch ($tokens[$i][0]) {

//过滤各样PHP注释

case T_COMMENT:

case T_DOC_COMMENT:

break;

//过滤空格

case T_WHITESPACE:

if (!$last_space) {

$stripStr .= ;

$last_space = true;

}

break;

case T_START_HEREDOC:

$stripStr .=

break;

case T_END_HEREDOC:

$stripStr .= THINK; ;

for($k = $i+1; $k $j; $k++) {

if(is_string($tokens[$k]) $tokens[$k] == 😉 {

$i = $k;

break;

} else if($tokens[$k][0] == T_CLOSE_TAG) {

break;

}

}

break;

default:

$last_space = false;

$stripStr .= $tokens[$i][1];

}

}

}

return $stripStr;

}

You can leave a response, or trackback from your own site.

Leave a Reply

网站地图xml地图