PHP 之去除代碼中的註釋

測試文件代碼以下：

<?php

/**
 * Created by PhpStorm.
 * User: Yang
 * Date: 2019/10/16
 * Time: 10:25
 */

// 計算和
// 計算和
// 計算和
$a = 1;
$b = 2;
$c = $a+$b; //總和

/*
 * 求和函數
 */
function sum($a, $b) {

    return $a + $b; //返回值
}

#  第二種註釋
$a = 1;
$b = 2;
## 求乘積
$c = $a * $b; #     結果

//特殊
$usedFuncs = "abcd";
preg_split("//is", implode("", $usedFuncs), -1, PREG_SPLIT_NO_EMPTY);

 

去除註釋代碼以下：

/**
 * Created by PhpStorm.
 * User: 25754
 * Date: 2019/10/17
 * Time: 9:54
 */

function removeComment($content)
{
    return preg_replace("/(\/\*(\s|.)*?\*\/)|(\/\/.(\s|.*))|(#(\s*)?(.*))/", '', str_replace(array("\r\n", "\r"), "\n", $content));
}

$content = file_get_contents("./test.php");
echo removeComment($content);

 

結果代碼以下：

$a = 1;
$b = 2;
$c = $a+$b; 

function sum($a, $b) {

    return $a + $b; }


$a = 1;
$b = 2;

$c = $a * $b; 

$usedFuncs = "abcd";
preg_split("

 

注意：代碼中有//的，都會去除