Recommended Discuz!5 PHP code highlighting and implementation of runnable code_PHP tutorial

discuz! 5.0 forum display style PHP code highlighting plug-in,
syntax coloring PHP code, comrades who like PHP can easily read the code.
At the same time, the html code running function has been added.
This plug-in is modified based on the php code highlighting of Discuz!4 released by someone before.
In addition, my PHP learning has entered a stagnant state.
I hope someone can help me get out of the PHP learning dilemma
My QQ:5642382 My QQ group: 2577162

Function: Posting Use the [php]php code[/php] tag to highlight php code, and use the [runcode]Html code[/runcode] tag to run HTML code (running on the client, not the server).

The steps to add the plug-in are as follows:
1. Modify include/common.js
Find

Copy the code The code is as follows:

function copycode(obj) {
var rng = document.body.createTextRange();
rng.moveToElementText(obj);
rng.scrollIntoView();
rng.select();
rng.execCommand("Copy");
rng.collapse(false);
}

Add below the end of this function:

Copy code The code is as follows:

function runCode(obj) {
var winname = window.open('', "_blank", '');
winname.document.open('text/html', 'replace');
winname.document.writeln(obj.value);
winname.document.close ();
}

function saveCode(obj) {
var winname = window.open('', '_blank', 'top=10000');
winname.document. open('text/html', 'replace');
winname.document.writeln(obj.value);
winname.document.execCommand('saveas','','code.htm');
winname.close();
}

2. Modify include/discuzcode.func.php
Find

Copy code The code is as follows:

           $discuzcodes['codecount']++;                                                                                                                                          >

(Note: You can also use Editplus to directly find the 110th line of the code to add the following)
Continue to add below:

Copy code

The code is as follows:

//------- 添加 [runcode] Html代码 [/runcode] 来运行Html代码
function runcodedisp($code) { 
        global $discuzcodes; 
        $discuzcodes['pcodecount']++; 
        $code = htmlspecialchars(str_replace('\\"', '"', preg_replace("/^[\n\r]*(.+?)[\n\r]*$/is", "\\1", $code))); 
        $discuzcodes['codehtml'][$discuzcodes['pcodecount']] = "

$code
    提示：您可以先修改部分代码再运行

"; 
        $discuzcodes['codecount']++; 
        return "[\tDISCUZ_CODE_$discuzcodes[pcodecount]\t]"; 
} 

//------- 添加  [php] php代码 [/php] 来高亮显示php代码,进行php语法着色
function phpcodedisp($code) { 
        global $discuzcodes; 
        $discuzcodes['pcodecount']++; 
        $code = phphighlite(str_replace("\\\"", "\"", $code)); 
        $discuzcodes['codehtml'][$discuzcodes['pcodecount']] = "

[复制PHP代码]

PHP代码如下:

$code

"; 
        $discuzcodes['codecount']++; 
        return "[tDISCUZ_CODE_$discuzcodes[pcodecount]t]"; 
} 

function phphighlite($code) { 
        if(!strpos($code,"                $code = '<'.'?'.trim($code).' ?'.'>'; 
                $addedtags = 1; 
        } 
        ob_start(); 
        $oldlevel = error_reporting(0); 
        highlight_string($code); 
        error_reporting($oldlevel); 
        $buffer = ob_get_contents(); 
        ob_end_clean(); 
        if ($addedtags) { 
                $openingpos = strpos($buffer, '                $closingpos = strrpos($buffer, '?'); 
                $buffer = substr($buffer, 0, $openingpos).substr($buffer, $openingpos+5, $closingpos-($openingpos+5)).substr($buffer, $closingpos+5); 
        } 
        $buffer = str_replace('"', """, $buffer); 
        $buffer = str_replace('', '', $buffer); 
        return $buffer; 
} 
//------- 结束

3.继续修改include/discuzcode.func.php
  查找

复制代码 代码如下:

$message = preg_replace("/s*[code](.+?)[/code]s*/ies", "codedisp('\1')", $message);

在其下面继续添加：

复制代码 代码如下:

//------- runcode 
$message = preg_replace("/s*[runcode](.+?)[/runcode]s*/ies", "runcodedisp('\1')", $message); 
//------- php 
$message = preg_replace("/s*[php](.+?)[/php]s*/ies", "phpcodedisp('\1')", $message);

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