php将数组或字符串写入文件

$fp = fopen("./a.txt", "a+b");

fwrite($fp, var_export($content, true));

fclose($fp);

$fp = fopen("./a.txt", "a+b");

fwrite($fp, print_r($content, true));

fclose($fp);

    /*写文件*/
    public  function dingding_logpro($log_type,$arg)
    {
        $log = vsprintf("%s", print_r($arg, true));
        $log = "执行日期："."
".  date("[Y/m/d H:i:s]") ."---". $log . PHP_EOL;
        $log_path = $_SERVER["DOCUMENT_ROOT"]. "/dingding_log/" . $log_type .date("Y-m-d").".txt";
        $fp = file_put_contents( $log_path,$log, FILE_APPEND);
        return true;
    }


    public  function ding_log($log_type,$data){
        $log_file = $_SERVER["DOCUMENT_ROOT"]. "/dingding_log/".$log_type.date("Y-m-d").".txt";
        $content =var_export($data,TRUE);
        $content .= "

";
        file_put_contents($log_file,$content, FILE_APPEND);
    }


    public   function dingding_log($pay_type,$content){
        if (is_array($content)) {
            $content = json_encode($content);
        }
        $filename =$_SERVER["DOCUMENT_ROOT"]. "/dingding_log/".$pay_type.date("Y-m-d").".txt";
        $Ts=fopen($filename,"a+");
        fputs($Ts,"执行日期："."
".date("Y-m-d H:i:s",time()).  " " . "
" .$content."
");
        fclose($Ts);
    }

//将数组保存在文件中  
function export_to_file($file, $variable) {  
    $fopen = fopen($file, "wb");  
    if (!$fopen) {  
        return false;  
    }  
    fwrite($fopen, "<?php
return ".var_export($variable, true).";
?>");  
    fclose($fopen);  
    return true;  
}  
//将字符串写入文件  
function put_to_file($file, $content) {  
    $fopen = fopen($file, "wb");  
    if (!$fopen) {  
        return false;  
    }  
    fwrite($fopen, $content);  
    fclose($fopen);  
    return true;  
} 

TP5

use thinkLog;
Log::write("测试日志信息，这是警告级别，并且实时写入","notice");