Script to verify PHP error_reporting settings. Adapted from http://us3.php.net/manual/en/errorfunc.constants.php#109430

error_reporting.php

<?php
$errorLevel = error_reporting();

print "Current error_reporting level: $errorLevel <br>\n";
print "E_ALL value: " . E_ALL . " <br>\n";

for ($i = 0; $i < 15; $i++) {
    $errVal = $errLevel & pow(2, $i);
    print FriendlyErrorType($errVal) . " ($errVal) <br>\n";
}

function FriendlyErrorType($type) 
{
    switch($type) 
    {
        case E_ERROR: // 1
            return 'E_ERROR';
        case E_WARNING: // 2
            return 'E_WARNING'; 
        case E_PARSE: // 4
            return 'E_PARSE';
        case E_NOTICE: // 8
            return 'E_NOTICE';
        case E_CORE_ERROR: // 16
            return 'E_CORE_ERROR';
        case E_CORE_WARNING: // 32
            return 'E_CORE_WARNING';
        case E_COMPILE_ERROR: // 64
            return 'E_COMPILE_ERROR';
        case E_COMPILE_WARNING: // 128
            return 'E_COMPILE_WARNING';
        case E_USER_ERROR: // 256
            return 'E_USER_ERROR';
        case E_USER_WARNING: // 512
            return 'E_USER_WARNING'; 
        case E_USER_NOTICE: // 1024
            return 'E_USER_NOTICE';
        case E_STRICT: // 2048
            return 'E_STRICT';
        case E_RECOVERABLE_ERROR: // 4096
            return 'E_RECOVERABLE_ERROR';
        case E_DEPRECATED: // 8192
            return 'E_DEPRECATED';
        case E_USER_DEPRECATED: // 16384
            return 'E_USER_DEPRECATED'; 
    } 
    return ""; 
}