"PHP" WeChat official code log debug Output class, Object-oriented design mode! Come and see, you will have the benefit!

The following is a log

Define ("Log_output_level", 1); 1-For Output all debug information 1-debug 2-info 4-warn 8-error

Interface Iloghandler

{

Public function write ($msg);

}

Class Clogfilehandler implements Iloghandler

{

Private $handle = null;

Public function __construct ($file = ")

{

$this->handle = fopen ($file, ' a ');

}

Public function write ($msg)

{

Fwrite ($this->handle, $msg, 4096);

}

Public Function __destruct ()

{

Fclose ($this->handle);

}

}

Class Log

{

Private $handler = null;

Private $level = 15;

private static $instance = null;

Private Function __construct () {}

Private Function __clone () {}

public static function Init ($handler = null, $level = 15)

{

if (!self:: $instance instanceof Self)

{

Self:: $instance = new self ();

Self:: $instance->__sethandle ($handler);

Self:: $instance->__setlevel ($level);

}

Return self:: $instance;

}

Private Function __sethandle ($handler) {

$this->handler = $handler;

}

Private Function __setlevel ($level)

{

$this->level = $level;

}

public static function DEBUG ($msg)

{

Self:: $instance->write (1,self::getfilepath (Debug_backtrace ()). $msg);

}

public static function WARN ($msg)

{

Self:: $instance->write (4, "". Self::getfilepath (Debug_backtrace ()). $msg);

}

public static function ERROR ($msg)

{

Self:: $instance->write (8,self::getfilepath (Debug_backtrace ()). $msg);

}

public static function INFO ($msg)

{

Self:: $instance->write (2, "". Self::getfilepath (Debug_backtrace ()). $msg);

}

Private Function Getlevelstr ($level)

{

Switch ($level)

{

Case 1:

Return ' DEBUG ';

Break

Case 2:

Return ' INFO ';

Break

Case 4:

Return ' WARN ';

Break

Case 8:

Return ' ERROR ';

Break

Default

}

}

public static function GetFilePath ($debugInfo) {

$stack = "[";

foreach ($debugInfo as $key = = $val) {

if (array_key_exists ("file", $val)) {

$stack. = "File:". Strstr ($val ["File"], ' \cyb ');

}

if (array_key_exists ("line", $val)) {

$stack. = ", line:". $val ["Line"];

}

if (array_key_exists ("function", $val)) {

$stack. = ", function:". $val ["function"];

}

}

$stack. = "]";

return $stack;

}

protected function Write ($level, $msg)

{

if (($level & $this->level) = = $level)

{

$msg = ' ['. Date (' y-m-d h:i:s '). '] ['. $this->getlevelstr ($level). '] '. $msg. ' \ r \ n ";

if ($level >=log_output_level) {

$this->handler->write ($msg);

}

}

}

}

2.php

Include (' log.php ');

$FileName =$_server[' Document_root ']. " /log/". Date (' Ym ', Time ()); Log folder by Time

if (!file_exists ($FileName)) {

mkdir ($FileName, 0777);//If you do not have the folder, create a

}

Log::init (New Clogfilehandler ($FileName. " /". Date (' y-m-d ', Time ()). TXT ')); Instantiate a folder

?>

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