Magic Constants : Php Script « Language Basics « PHP

1. PHP
2. Language Basics
3. Php Script

Magic Constants

 
Name                Description

__FILE__            Name of current file

__LINE__            Current line number

__FUNCTION__        Name of current function

__CLASS__           Name of current class

__METHOD__          Name of current method


<?php
define('DEBUG', true); 

function debug_print($var, $file = __FILE__, $line = __LINE__) {
  if (DEBUG) {
  $where = "File = $file ($line)";
    switch (strtolower(substr(php_sapi_name(), 0, 3))) {
      case 'cli' :
        echo "$where\n";
        var_dump($var);
        break;
      default :
        echo "$where<br>";
        print("<pre>");
        var_dump($var);
        print("</pre>");
        break;
    }
  }
}
?>


<?php
define('DEBUG', true);

function debug_print($var) {
  if (DEBUG) {
    switch (strtolower(substr(php_sapi_name(), 0, 3))) {
      case 'cli' :
        var_dump($var);
        break;
      default :
        print("<pre>");
        var_dump($var);
        print("</pre>");
        break;
    }
  }
}
?>
  
  

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