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DebugHandler.php
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DebugHandler.php
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<?php
namespace Jgauthi\Component\Debug;
use ReflectionClass;
class DebugHandler
{
// Affichage d'un rapport de debug en bas de page, pour l'activer:
// * ?debug dans l'url de la page
// * Ou un cookie debug
// * Argument (optionnel):
// * valeur: aucune (debug avec les paramètres par défaut)
// * valeur: global (affiche la variable $GLOBALS)
// * valeur: false (possibilité de désactiver le debug sans supprimer la variable)
// * valeur: defined (ajoute les valeurs define(), peut se cumuler)
// * valeur: function (ajoute les fonctions init dans l'apply, peut se cumuler)
// * valeur: class (ajoute les class init dans l'apply, peut se cumuler)
// * valeur: interface (ajoute les interfaces init dans l'apply, peut se cumuler)
//
// Pour cumuler plusieurs valeurs: debug=defined|function
static public function init(): void
{
// Désactiver volontairement le debug
if (isset($_GET['nodebug'])) {
return;
// Ne pas activer le debug dans les requêtes AJAX (wc => WooCommerce)
} elseif (isset($_GET['wc-ajax'])) {
return;
} elseif (isset($_GET['phpinfo'])) {
phpinfo();
exit;
// Afficher le rapport si debug activé, essayer d'éviter de le placer dans les requêtes AJAX
} elseif (isset($_GET['debug'])) {
self::activeDebug($_GET['debug']);
// Wordpress - Refresh cache
if (is_dir($_SERVER['DOCUMENT_ROOT'].'/wp-content/plugins/w3-total-cache')) {
$_GET['w3tc_note'] = 'flush_all';
}
} elseif (!empty($_COOKIE['debug']) && !preg_match('#(json|ajax)#i', $_SERVER['REQUEST_URI'])) {
self::activeDebug($_COOKIE['debug']);
}
}
/**
* @param string|bool $debugMode
*/
static private function activeDebug($debugMode): void
{
if ($debugMode == 'false') {
return;
}
ini_set('display_errors', true); // 'On'
ini_set('display_startup_errors', true);
register_shutdown_function([__CLASS__, 'rapportFooter'], $debugMode);
}
/**
* @throws \ReflectionException
*/
static public function rapportFooter(string|bool $debugMode = true): void
{
// Mettre fin au timer
$duration = ceil((microtime(true) - $_SERVER['REQUEST_TIME_FLOAT']) * 1000);
$filterDir = [realpath($_SERVER['DOCUMENT_ROOT'])];
$secondFilter = realpath(dirname(dirname(dirname(dirname(__DIR__)))));
if ('/' !== $secondFilter && $secondFilter !== $filterDir[0]) {
$filterDir[] = $secondFilter;
}
// Liste des fichiers traités par l'application + Mise en forme
$listFile = get_included_files();
$listFile = var_export($listFile, true);
$listFile = str_replace($filterDir, '', $listFile);
// Rapport
$css = 'margin-top: 30px; clear: both; text-align: left;';
if (defined('WORDPRESS_SCRIPT') && function_exists('is_admin') && is_admin()) {
$css .= 'margin-left: 170px; margin-right: 10px; padding: 0 10px; border: 1px dashed #'.sprintf('%06d', rand(0, 999999)).';';
}
?><div class="debug" style="<?=$css?>">
<div style="padding: 10px; width: 50%; float: right;">
Duree: <?=$duration?> ms, memoire utilise: <?=self::getCurrentMemory()?>
<?php self::dumpValues($debugMode); ?>
</div>
<div style="width: 50%; padding-top: 10px;">
<pre class="alert alert-info"><?=$listFile?></pre>
</div>
</div>
<div style="clear: both;"></div>
<?php
}
/**
* Variables à exporter
* @throws \ReflectionException
*/
static protected function dumpValues(string|bool $debugMode): void
{
$dumpFunction = 'var_dump';
if (function_exists('dump')) {
$dumpFunction = 'dump';
} elseif (function_exists('varExport')) {
$dumpFunction = 'varExport';
}
if ('global' == $debugMode) {
call_user_func_array($dumpFunction, ['GLOBAL'] + $GLOBALS);
return;
}
$export = [];
if (!empty($_GET)) {
$export['_GET'] = $_GET;
}
if (!empty($_POST)) {
$export['_POST'] = $_POST;
}
if (!empty($_FILES)) {
$export['_FILES'] = $_FILES;
}
if (!empty($_COOKIE)) {
$export['_COOKIE'] = $_COOKIE;
}
if (!empty($_SESSION)) {
$export['_SESSION'] = $_SESSION;
}
// [Wordpress] Specifics contents
if (self::isWordpressProject()) {
global $post;
if (!empty($post) && is_object($post)) {
$export['$post'] = $post;
} elseif (!empty($_REQUEST['post']) && is_numeric($_GET['post']) && function_exists('get_post')) {
$export['$post'] = get_post($_REQUEST['post']);
}
// Post info
if (!empty($export['$post']->ID)) {
// Parent
if (!empty($export['$post']->post_parent)) {
$parent = get_post($export['$post']->post_parent);
$export['$post_parent'] = ((!empty($parent)) ? $parent : "Le post parent {$export['$post']->post_parent} n'existe pas.");
}
// Meta
if (function_exists('get_post_meta')) {
$export['$post_meta'] = get_post_meta($export['$post']->ID);
}
// Terms
if (function_exists('get_post_taxonomies') && function_exists('wp_get_post_terms')) {
$terms = [];
$taxonomy = get_post_taxonomies($export['$post']->ID);
foreach ($taxonomy as $taxo) {
$terms = array_merge($terms, wp_get_post_terms($export['$post']->ID, $taxo));
}
$export['$post_terms'] = $terms;
}
// Attachment
if (function_exists('get_posts') && function_exists('get_post_thumbnail_id')) {
$post_attachments = get_posts([
'post_type' => 'attachment',
'posts_per_page' => -1,
'post_parent' => $export['$post']->ID,
]);
if (!empty($post_attachments)) {
$export['$post_attachments'] = [];
foreach ($post_attachments as $attachment) {
$export['$post_attachments'][$attachment->ID] = str_replace(get_home_url(), '', $attachment->guid);
}
}
// Image à la une (apparait en 1er dans la liste des Attachments)
$post_thumbnail_id = get_post_thumbnail_id($export['$post']->ID);
if (isset($export['$post_attachments'][$post_thumbnail_id])) {
$attachment = get_post($post_thumbnail_id);
asort($export['$post_attachments']);
$export['$post_attachments'] = [$attachment->ID => str_replace(get_home_url(), '', $attachment->guid)] + $export['$post_attachments'];
}
}
// Timber::get_context();
if (class_exists('Timber')) {
$export['Timber::get_context()'] = Timber::get_context();
}
}
}
if (preg_match('#defined#i', $debugMode)) {
$export['defined_constants'] = get_defined_constants(true);
$export['defined_constants'] = $export['defined_constants']['user'];
}
if (preg_match('#function#i', $debugMode)) {
$export['defined_function'] = get_defined_functions();
$export['defined_function'] = $export['defined_function']['user'];
unset(
$export['defined_function'][0],
$export['defined_function'][1],
$export['defined_function'][2],
$export['defined_function'][3],
$export['defined_function'][4],
$export['defined_function'][5],
$export['defined_function'][6]
);
$export['defined_function'] = array_values($export['defined_function']);
}
if (preg_match('#class#i', $debugMode)) {
$export['defined_class'] = array_filter(
get_declared_classes(),
function ($className) {
return !call_user_func([new ReflectionClass($className), 'isInternal']);
}
);
unset($export['defined_class'][array_search('timer', $export['defined_class'], true)]);
$export['defined_class'] = array_values($export['defined_class']);
}
if (preg_match('#interface#i', $debugMode)) {
$export['defined_interface'] = get_declared_interfaces();
}
// Générer export
$msg = implode(', ', array_keys($export));
$eval = "'{$msg}'";
foreach (array_keys($export) as $var_name) {
$eval .= ', $export[\'' . $var_name . '\']';
}
eval($dumpFunction . '(' . $eval . ');'); // varExport($libelle, $var1, $var2, etc);
unset($export);
}
static private function getCurrentMemory(): string
{
$memory = memory_get_usage();
$unit = ['o', 'ko', 'mo', 'go', 'to', 'po'];
$memory = @round($memory / pow(1024, ($i = floor(log($memory, 1024)))), 2);
$memory .= ' ' .$unit[$i];
return $memory;
}
static public function isWordpressProject(): bool
{
static $isWordpress = null;
if ($isWordpress === null) {
$isWordpress = (
defined('WP_DEBUG') ||
is_readable($_SERVER['DOCUMENT_ROOT'].'/wp-config.php') ||
(!empty($_SERVER['REQUEST_URI']) && preg_match('#^/wordpress#i', $_SERVER['REQUEST_URI']))
);
}
return $isWordpress;
}
}