PHP uses a reflection mechanism to find where classes and methods are located, PHP is located _php tutorial

PHP uses a reflection mechanism to find where classes and methods are located, where PHP is located

The example in this article describes how PHP uses the reflection mechanism to find the location of classes and methods. Share to everyone for your reference, as follows:

Parameter 1 is the class name, parameter 2 is the method name $func = new Reflectionmethod (' unifiedorder_pub ', ' Getprepayid ');//starting from the first line $start = $func Getstartline ()-1;//end from the first few lines $end = $func->getendline ()-1;//get path address $filename = $func->getfilename ();

The following is a complete sample code excerpt

<?phpfunction A () {}class B {public  function f () {  }}function function_dump ($funcname) {  try {    if (is _array ($funcname)) {      $func = new Reflectionmethod ($funcname [0], $funcname [1]);      $funcname = $funcname [1];    } else {      //This should be when there is only one parameter as the release of this class, presumably, self-baidu      $func = new Reflectionfunction ($funcname);    }  } catch ( Reflectionexception $e) {    echo $e->getmessage ();    return;  }  $start = $func->getstartline ()-1;  $end = $func->getendline ()-1;  $filename = $func->getfilename ();  echo "function $funcname defined by $filename ($start-$end) \ n";} Function_dump (' a '); Function_dump (Array (' B ', ' f ')), $b = new B (); Function_dump (Array ($b, ' f '));? >

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I hope this article is helpful to you in PHP programming.

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