Extract all environment data from PHP runtime

index.php

<?php
// Extract all environment data from PHP runtime
// Go Namhyeon <abuse@catswords.net>

echo "Extracting...<br/><br/>";

$extracted_data = array();

// Extracting all defined functions
echo "Extracting all defined functions...<br/><br/>";
$my_functions = get_defined_functions();
foreach($my_functions["internal"] as $name) {
    $extracted_data[] = array(
        'type' => 'function',
        'scope' => 'global',
        'value' => $name
    );
}

// Extracting all defined constants
echo "Extracting all defined constants...<br/><br/>";
$my_constants = get_defined_constants(true);
foreach($my_constants as $scope=>$functions) {
    foreach($functions as $name=>$_) {
        $extracted_data[] = array(
            'type' => 'constant',
            'scope' => $scope,
            'value' => $name
        );
    }
}

// Extracting all defined classes
echo "Extracting all defined classes...<br/><br/>";
$my_classes = get_declared_classes();
foreach($my_classes as $name) {
    $extracted_data[] = array(
        'type' => 'class',
        'scope' => 'global',
        'value' => $name
    );
}

// Extracting all loaded extensions
echo "Extracting all defined extensions...<br/><br/>";
$my_extensions = get_loaded_extensions();
foreach($my_extensions as $name) {
    $extracted_data[] = array(
        'type' => 'extension',
        'scope' => 'global',
        'value' => $name
    );
}

echo "All done.<br/><br/>";

// Show all extected data
echo "type,scope,value<br>";
foreach($extracted_data as $item) {
    echo implode(',', array($item['type'], $item['scope'], $item['value'])) . '<br/>';
}