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File: examples/utils.inc.php

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  Classes of Colin McKinnon  >  Stackable PHP Session Handler  >  examples/utils.inc.php  >  Download  
File: examples/utils.inc.php
Role: Example script
Content type: text/plain
Description: Utilitiy functions for the example files
Class: Stackable PHP Session Handler
Store session data with multiple session handlers
Author: By
Last change:
Date: 1 year ago
Size: 3,137 bytes
 

Contents

Class file image Download
<?php
$utils_start_time
=microtime(true);
register_shutdown_function('utils_finished');
set_error_handler('error_handler');

$e_user_error_levels=array(
0=>'E_USER_DEBUG', E_ERROR=>'E_ERROR',
E_WARNING=>'E_WARNING', E_PARSE=>'E_PARSE',
E_NOTICE=>'E_NOTICE', E_CORE_ERROR=>'E_CORE_ERROR',
E_CORE_WARNING=>'E_CORE_WARNING', E_COMPILE_ERROR=>'E_COMPILE_ERROR',
E_COMPILE_WARNING=>'E_COMPILE_WARNING', E_USER_ERROR=>'E_USER_ERROR',
E_USER_WARNING=>'E_USER_WARNING', E_USER_NOTICE=>'E_USER_NOTICE',
E_STRICT=>'E_STRICT', E_RECOVERABLE_ERROR=>'E_RECOVERABLE_ERROR',
E_DEPRECATED=>'E_DEPRECATED', E_USER_DEPRECATED=>'E_USER_DEPRECATED'
);

function
utils_finished()
{
    global
$utils_start_time;
   
$duration=1000*(microtime(true)-$utils_start_time);
   
$duration=round($duration, 3);
   
$mem=(integer)(memory_get_usage()/1024);
    print
"<hr />Duration: $duration msec Memory: $mem kb\n";
    print
"<button name='refresh' onclick='window.location.reload()'>refresh</button>\n";
    print
"&nbsp;&nbsp;<a href=\"../\">Return to docs</a><br /><br />\n</html>";
}

function
logger($msg, $level=0)
{
    global
$statuslog,$e_user_error_levels;
   
$statuslog.=(isset($e_user_error_levels[$level]) ?
       
$e_user_error_levels[$level] : 'ERROR' )
        .
':' . $msg . "\n";
}

function
error_handler($errno, $errstr, $errfile, $errline)
{
       
$msg="Error $errno: $errstr : at line $errline of $errfile";
    return
niceDebugBacktrace($msg);
}
function
niceDebugBacktrace($msg)
{
    global
$statuslog;
   
// from http://makandracards.com/magento/8123-pretty-backtrace-stack-trace
   
$d = debug_backtrace();
   
array_shift($d);
   
array_shift($d);
   
$out = $msg . "\n";
   
$c1width = strlen(count($d) + 1);
   
$c2width = 0;
   
$basepath=dirname(dirname(__FILE__));
    foreach (
$d as &$f) {
        if (!isset(
$f['file'])) $f['file'] = '';
        if (!isset(
$f['line'])) $f['line'] = '';
        if (!isset(
$f['class'])) $f['class'] = '';
        if (!isset(
$f['type'])) $f['type'] = '';
       
$f['file_rel'] = str_replace($basepath, '', $f['file']);
       
$thisLen = strlen($f['file_rel'] . ':' . $f['line']);
        if (
$c2width < $thisLen) $c2width = $thisLen;
    }
    foreach (
$d as $i => $f) {
       
$args = '';
        if (isset(
$f['args'])) {
           
$args = array();
            foreach (
$f['args'] as $arg) {
                if (
is_object($arg)) {
                   
$str = get_class($arg);
                } elseif (
is_array($arg)) {
                   
$str = 'Array';
                } elseif (
is_numeric($arg)) {
                   
$str = $arg;
                } else {
                   
$str = "'$arg'";
                }
               
$args[] = $str;
            }
           
$args = implode(', ', $args);
        }
       
$out .= sprintf(
           
"[%{$c1width}s] %-{$c2width}s %s%s%s(%s)\n",
           
$i,
           
$f['file_rel'] . ':' . $f['line'],
           
$f['class'],
           
$f['type'],
           
$f['function'],
           
$args
       
);
    }
   
$stderr = fopen('php://stderr', 'w');
   
fwrite($stderr,$out.$statuslog);
    print
"<pre>$out</pre><hr /><pre>$statuslog</pre>";
    return
false;
}