php 获取函数被调用位置

# get_caller.php

1. <?php
   
2. 
   
3. function get_caller_info($logFile = "call_info.log"){
   
4.     $callInfos = array();
   
5.     $callFuncs = array();
   
6.     $curTime = date('y-m-d h:i:s',time());
   
7.     $traces = debug_backtrace();
   
8.     $j = 0;
   
9.     $length = count($traces)-1;
   
10.     for ($i = $length; $i >=0; $i--){
    
11.         $trace = $traces[$i];
    
12.         $file = $trace['file'];
    
13.         $line = $trace['line'];
    
14.         $func = $trace['function'];
    
15.         $args = $trace['args'];
    
16.         $argsv = join(",", $args);
    
17.         $tInfo = $curTime." ".$file."(".$line.")->".$func."(".$argsv.")";
    
18.         array_push($callInfos, $tInfo);
    
19.         $tFunc = $file."->".$func."()";
    
20.         array_push($callFuncs, $tFunc);
    
21.         $j++;
    
22.     }
    
23. 
    
24.     $callInfoStr = join(";",$callInfos);
    
25.     $callFuncStr = join(";",$callFuncs);
    
26.     $callFuncMd5 = $curTime." ".md5($callFuncStr);
    
27.     file_put_contents($logFile, $callFuncMd5."\n",FILE_APPEND);
    
28. 
    
29.     $logFileMd5 = $logFile.".md5";
    
30.     $contMd5 = $callFuncMd5.":".$callInfoStr;
    
31.     file_put_contents($logFileMd5, $contMd5."\n",FILE_APPEND);
    
32.     
    
33.     return $callInfos;
    
34. }
    
35. 
    
36. ?>

# test_caller.php

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1. <?php
   
2. require dirname(__FILE__).'/get_caller.php';
   
3. 
   
4. function b($pa,$pb){
   
5.     $t=$pa.$pb;
   
6.     get_caller_info();
   
7.     return $t;
   
8. }
   
9. 
   
10. function c($pa,$pb,$pc){
    
11.     $t=$pa.$pb.$pc;
    
12.     get_caller_info();
    
13.     return $t;
    
14. }
    
15. function a() {
    
16.     b('b1','b2');
    
17.     for ($i = 0; $i <10; $i++){
    
18.     c('c'.$i,'c2','c3');
    
19.     }
    
20. }
    
21. 
    
22. a();
    
23. 
    
24. ?>

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转载于:http://blog.itpub.net/26250550/viewspace-2127637/