diff --git a/includes/core.php b/includes/core.php
index 70affbb..a0962b1 100644
--- a/includes/core.php
+++ b/includes/core.php
@@ -1,6 +1,9 @@
 <?php
 
 use EesyPHP\Log;
+use EesyPHP\SentryIntegration;
+use EesyPHP\SentrySpan;
+use EesyPHP\SentryTransaction;
 
 error_reporting(E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED);
 
@@ -36,7 +39,11 @@ if (is_file("$root_dir_path/includes/config.local.php")) {
   require "$root_dir_path/includes/config.local.php";
 }
 
-require_once 'sentry.php';
+SentryIntegration :: init(
+  isset($sentry_dsn)?$sentry_dsn:null,
+  isset($sentry_traces_sample_rate)?$sentry_traces_sample_rate:null,
+  isset($sentry_php_error_types)?$sentry_php_error_types:null,
+);
 $sentry_transaction = new SentryTransaction();
 
 $sentry_span = new SentrySpan('core.init', 'Core initialization');
diff --git a/includes/sentry.php b/includes/sentry.php
deleted file mode 100644
index 08df89f..0000000
--- a/includes/sentry.php
+++ /dev/null
@@ -1,215 +0,0 @@
-<?php
-
-use EesyPHP\Log;
-
-/*
- * Configuration :
- *
- * // Log PHP errors in Sentry: list of errors types to logs
- * // Note: must also match with $log_php_errors_levels.
- * // See: https://www.php.net/manual/fr/errorfunc.constants.php
- * $sentry_php_error_types = array(
- *   E_ERROR, E_PARSE, E_CORE_ERROR, E_COMPILE_ERROR, E_USER_ERROR,
- *   E_RECOVERABLE_ERROR,E_DEPRECATED,
- * );
- */
-
-// Init Sentry (if its DSN is configured)
-if (isset($sentry_dsn) && $sentry_dsn) {
-    \Sentry\init([
-        'dsn' => $sentry_dsn,
-        'traces_sample_rate' => (
-            isset($sentry_traces_sample_rate) ?
-            $sentry_traces_sample_rate : 0.2
-        ),
-    ]);
-
-    \Sentry\configureScope(function (\Sentry\State\Scope $scope): void {
-        global $auth_user;
-        $scope->setUser([
-            'id' => isset($auth_user) && $auth_user?$auth_user['uid']:null,
-            'email' => isset($auth_user) && $auth_user?$auth_user['mail']:null,
-            'segment' => isset($auth_user) && $auth_user?$auth_user['type']:null,
-            'ip_address' => $_SERVER['REMOTE_ADDR'],
-        ]);
-    });
-}
-
-/**
- * Log an exception or a message in Sentry
- * @param string|Throwable $msg
- * @return void
- */
-function log_in_sentry($msg) {
-    global $sentry_dsn;
-    if (!isset($sentry_dsn) || !$sentry_dsn) {
-        Log :: trace('Sentry DSN not configured, do not log this error');
-        return;
-    }
-    if (is_string($msg)) {
-        Log :: debug('Error logged in Sentry');
-        \Sentry\captureMessage($msg);
-    }
-    elseif ($msg instanceof Exception) {
-        Log :: debug('Exception logged in Sentry');
-        \Sentry\captureException($msg);
-    }
-}
-
-/**
- * Log a PHP error in Sentry
- * @param int $errno The error number
- * @param string $msg The error message
- * @return void
- */
-function log_php_error_in_sentry($errno, $msg) {
-    global $sentry_php_error_types;
-    if (
-        isset($sentry_php_error_types)
-        && is_array($sentry_php_error_types)
-        && in_array($errno, $sentry_php_error_types)
-    )
-        log_in_sentry($msg);
-}
-
-/*
- * Performance monitoring
- */
-
-class SentryTransaction {
-
-    /**
-     * The Sentry transaction object
-     * @var \Sentry\Tracing\Transaction
-     */
-    private $transaction;
-
-    /**
-     * The Sentry transaction context object
-     * @var \Sentry\Tracing\TransactionContext
-     */
-    private $context;
-
-    /**
-     * Constructor: start a Sentry transaction
-     * @param string|null $op The operation name
-     * @param string|null $name The transaction name
-     * @return void
-     */
-    public function __construct($op=null, $name=null) {
-        // Setup context for the full transaction
-        $this->context = new \Sentry\Tracing\TransactionContext();
-        $this->context->setName(
-            $name?$name:
-            (php_sapi_name()=='cli'?'CLI execution':'HTTP request')
-        );
-        $this->context->setOp(
-            $op?$op:
-            (php_sapi_name()=='cli'?'cli.command':'http.request')
-        );
-
-        // Start the transaction
-        $this->transaction = \Sentry\startTransaction($this->context);
-
-        // Set the current transaction as the current span so we can retrieve it later
-        \Sentry\SentrySdk::getCurrentHub()->setSpan($this->transaction);
-    }
-
-    /**
-     * Destructor: Stop the current Sentry transaction
-     * @return void
-     */
-    public function __destruct() {
-        SentrySpan :: finishAll();
-        $this->transaction->finish();
-    }
-}
-
-/**
- * Internal Sentry Span object implementation
- * This internal implementation principally permit to keep trace of new span parent
- * and list of started spans.
- */
-class SentrySpan {
-
-    /**
-     * Keep trace of started Sentry spans
-     * @var array<int,mixed>
-     */
-    private static $_started_spans = array();
-
-    /**
-     * The unique ID of the Sentry span
-     * Note: internal ID used as key in self::$_started_spans
-     * @var int|null
-     */
-    private $id = null;
-
-    /**
-     * The parent of the Sentry span
-     * @var mixed
-     */
-    private $parent = null;
-
-    /**
-     * The context of the Sentry span
-     * @var null|\Sentry\Tracing\SpanContext
-     */
-    private $context = null;
-
-    /**
-     * The Sentry span object
-     * @var mixed
-     */
-    private $span = null;
-
-    /**
-     * Sentry span constructor
-     * @param string|null $op The operation name
-     * @param string|null $name The span name
-     * @return void
-     */
-    public function __construct($op, $name) {
-        $this -> parent = \Sentry\SentrySdk::getCurrentHub()->getSpan();
-        // Check if we have a parent span (this is the case if we started a transaction earlier)
-        if (is_null($this -> parent)) return;
-
-        while (is_null($this -> id)) {
-            $this -> id = rand();
-            if (isset(self :: $_started_spans[$this -> id]))
-                $this -> id = null;
-        }
-        $this -> context = new \Sentry\Tracing\SpanContext();
-        $this -> context->setOp($op);
-        $this -> context->setDescription($name);
-        $this -> span = $this->parent->startChild($this -> context);
-
-        // Set the current span to the span we just started
-        \Sentry\SentrySdk::getCurrentHub()->setSpan($this -> span);
-
-        self :: $_started_spans[$this -> id] = $this;
-    }
-
-    /**
-     * Finish the span (if started)
-     * @return void
-     */
-    public function finish() {
-        if (!$this -> span) return;
-        $this -> span -> finish();
-        unset(self::$_started_spans[$this -> id]);
-        \Sentry\SentrySdk::getCurrentHub()->setSpan($this -> parent);
-    }
-
-    /**
-     * Finish all started spans
-     * @see SentryTransaction::__destruct()
-     * @return void
-     */
-    public static function finishAll() {
-        foreach (array_reverse(self :: $_started_spans) as $id => $span)
-            $span -> finish();
-    }
-}
-
-# vim: tabstop=2 shiftwidth=2 softtabstop=2 expandtab
diff --git a/includes/smarty.php b/includes/smarty.php
index 7a97fcd..020e1ec 100644
--- a/includes/smarty.php
+++ b/includes/smarty.php
@@ -1,6 +1,8 @@
 <?php
 
 use EesyPHP\Log;
+use EesyPHP\SentrySpan;
+use EesyPHP\SentryTransaction;
 
 if (php_sapi_name() == "cli")
   return true;
diff --git a/includes/url.php b/includes/url.php
index e124be3..5a18b66 100644
--- a/includes/url.php
+++ b/includes/url.php
@@ -1,6 +1,8 @@
 <?php
 
 use EesyPHP\Log;
+use EesyPHP\SentrySpan;
+use EesyPHP\SentryTransaction;
 
 use function EesyPHP\format_callable;
 use function EesyPHP\vardump;
diff --git a/src/Log.php b/src/Log.php
index c94cb28..6793316 100644
--- a/src/Log.php
+++ b/src/Log.php
@@ -1,6 +1,7 @@
 <?php
 
 namespace EesyPHP;
+use EesyPHP\SentryIntegration;
 
 use Throwable;
 
@@ -304,8 +305,7 @@ class Log {
    * @return void
    */
   public static function exception($exception, $prefix=null) {
-    if (function_exists('log_in_sentry'))
-      log_in_sentry($exception);
+    SentryIntegration :: log($exception);
     // If more than 2 arguments passed, format prefix message using sprintf
     if ($prefix && func_num_args() > 2) {
       $prefix = call_user_func_array(
@@ -351,13 +351,10 @@ class Log {
    * @return false Return false to let the normal error handler continues.
    */
   public static function on_php_error($errno, $errstr, $errfile, $errline) {
-    $msg = sprintf(
+    self :: error(
       "A PHP error occured : [%s] %s\nFile : %s (line : %d)",
       self :: errno2type($errno), $errstr, $errfile, $errline
     );
-    self :: error($msg);
-    if (function_exists('log_php_error_in_sentry'))
-      log_php_error_in_sentry($errno, $msg);
     return False;
   }
 }
diff --git a/src/SentryIntegration.php b/src/SentryIntegration.php
new file mode 100644
index 0000000..4316701
--- /dev/null
+++ b/src/SentryIntegration.php
@@ -0,0 +1,114 @@
+<?php
+
+namespace EesyPHP;
+
+use EesyPHP\Log;
+use Throwable;
+use Exception;
+
+class SentryIntegration {
+
+  /**
+   * Sentry DSN
+   * @var string|null
+   */
+  protected static $dsn = null;
+
+  /**
+   * Types of PHP error to log in Sentry
+   * @see https://www.php.net/manual/fr/errorfunc.constants.php
+   * @var array<int>
+   */
+  protected static array $php_error_types = array(
+    E_ERROR, E_PARSE, E_CORE_ERROR, E_COMPILE_ERROR, E_USER_ERROR,
+    E_RECOVERABLE_ERROR,E_DEPRECATED,
+  );
+
+  /**
+   * Initialization
+   * @param string|null $dsn Sentry DSN
+   * @param float|null $traces_sample_rate Sentry traces sample rate
+   *                   (optional, default: 0.2)
+   * @param array<int>|null $php_error_types Types of PHP error to log in Sentry
+   *                   (optional, default: see self::$php_error_types)
+   * @return void
+   */
+  public static function init($dsn=null, $traces_sample_rate=null,
+                              $php_error_types=null) {
+    // Init Sentry (if its DSN is configured)
+    if (!$dsn) return;
+
+    \Sentry\init([
+        'dsn' => $dsn,
+        'traces_sample_rate' => (
+            $traces_sample_rate?
+            $traces_sample_rate:0.2
+        ),
+    ]);
+
+    \Sentry\configureScope(function (\Sentry\State\Scope $scope): void {
+        global $auth_user;
+        $scope->setUser([
+            'id' => isset($auth_user) && $auth_user?$auth_user['uid']:null,
+            'email' => isset($auth_user) && $auth_user?$auth_user['mail']:null,
+            'segment' => isset($auth_user) && $auth_user?$auth_user['type']:null,
+            'ip_address' => $_SERVER['REMOTE_ADDR'],
+        ]);
+    });
+
+    if (is_array($php_error_types))
+      self :: $php_error_types = $php_error_types;
+    set_error_handler(
+      array('EesyPHP\\SentryIntegration', 'on_php_error'),
+      E_ALL
+    );
+  }
+
+  /**
+   * Log an exception or a message in Sentry
+   * @param string|Throwable $message
+   * @param array $extra_args Extra arguments to use to compute message using sprintf
+   * @return void
+   */
+  public static function log($message, ...$extra_args) {
+      if (!self :: $dsn) {
+          Log :: trace('Sentry DSN not configured, do not log this error');
+          return;
+      }
+      if (is_string($message)) {
+          // Extra arguments passed, format message using sprintf
+          if ($extra_args) {
+            $message = call_user_func_array(
+              'sprintf',
+              array_merge(array($message), $extra_args)
+            );
+          }
+          Log :: debug('Error logged in Sentry');
+          \Sentry\captureMessage($message);
+      }
+      elseif ($message instanceof Exception) {
+          Log :: debug('Exception logged in Sentry');
+          \Sentry\captureException($message);
+      }
+  }
+
+  /**
+   * Log a PHP error in Sentry
+   * Note: method design to be used as callable by set_error_handler()
+   * @param int $errno The error number
+   * @param string $errstr The error message
+   * @param string $errfile The filename that the error was raised in
+   * @param int $errline The line number where the error was raised
+   * @return false Return false to let the normal error handler continues.
+   */
+  public static function on_php_error($errno, $errstr, $errfile, $errline) {
+      if (in_array($errno, self :: $php_error_types))
+        self :: log(
+          "A PHP error occured : [%s] %s\nFile : %s (line : %d)",
+          Log :: errno2type($errno), $errstr, $errfile, $errline
+        );
+      return false;
+  }
+}
+
+# vim: tabstop=2 shiftwidth=2 softtabstop=2 expandtab
diff --git a/src/SentrySpan.php b/src/SentrySpan.php
new file mode 100644
index 0000000..a4c9570
--- /dev/null
+++ b/src/SentrySpan.php
@@ -0,0 +1,92 @@
+<?php
+
+namespace EesyPHP;
+
+/**
+ * Internal Sentry Span object implementation
+ * This internal implementation principally permit to keep trace of new span parent
+ * and list of started spans.
+ */
+class SentrySpan {
+
+    /**
+     * Keep trace of started Sentry spans
+     * @var array<int,mixed>
+     */
+    private static $_started_spans = array();
+
+    /**
+     * The unique ID of the Sentry span
+     * Note: internal ID used as key in self::$_started_spans
+     * @var int|null
+     */
+    private $id = null;
+
+    /**
+     * The parent of the Sentry span
+     * @var mixed
+     */
+    private $parent = null;
+
+    /**
+     * The context of the Sentry span
+     * @var null|\Sentry\Tracing\SpanContext
+     */
+    private $context = null;
+
+    /**
+     * The Sentry span object
+     * @var mixed
+     */
+    private $span = null;
+
+    /**
+     * Sentry span constructor
+     * @param string|null $op The operation name
+     * @param string|null $name The span name
+     * @return void
+     */
+    public function __construct($op, $name) {
+        $this -> parent = \Sentry\SentrySdk::getCurrentHub()->getSpan();
+        // Check if we have a parent span (this is the case if we started a transaction earlier)
+        if (is_null($this -> parent)) return;
+
+        while (is_null($this -> id)) {
+            $this -> id = rand();
+            if (isset(self :: $_started_spans[$this -> id]))
+                $this -> id = null;
+        }
+        $this -> context = new \Sentry\Tracing\SpanContext();
+        $this -> context->setOp($op);
+        $this -> context->setDescription($name);
+        $this -> span = $this->parent->startChild($this -> context);
+
+        // Set the current span to the span we just started
+        \Sentry\SentrySdk::getCurrentHub()->setSpan($this -> span);
+
+        self :: $_started_spans[$this -> id] = $this;
+    }
+
+    /**
+     * Finish the span (if started)
+     * @return void
+     */
+    public function finish() {
+        if (!$this -> span) return;
+        $this -> span -> finish();
+        unset(self::$_started_spans[$this -> id]);
+        \Sentry\SentrySdk::getCurrentHub()->setSpan($this -> parent);
+    }
+
+    /**
+     * Finish all started spans
+     * @see SentryTransaction::__destruct()
+     * @return void
+     */
+    public static function finishAll() {
+        foreach (array_reverse(self :: $_started_spans) as $id => $span)
+            $span -> finish();
+    }
+}
+
+# vim: tabstop=2 shiftwidth=2 softtabstop=2 expandtab
diff --git a/src/SentryTransaction.php b/src/SentryTransaction.php
new file mode 100644
index 0000000..0e456d8
--- /dev/null
+++ b/src/SentryTransaction.php
@@ -0,0 +1,58 @@
+<?php
+
+namespace EesyPHP;
+
+/*
+ * Performance monitoring
+ */
+
+class SentryTransaction {
+
+    /**
+     * The Sentry transaction object
+     * @var \Sentry\Tracing\Transaction
+     */
+    private $transaction;
+
+    /**
+     * The Sentry transaction context object
+     * @var \Sentry\Tracing\TransactionContext
+     */
+    private $context;
+
+    /**
+     * Constructor: start a Sentry transaction
+     * @param string|null $op The operation name
+     * @param string|null $name The transaction name
+     * @return void
+     */
+    public function __construct($op=null, $name=null) {
+        // Setup context for the full transaction
+        $this->context = new \Sentry\Tracing\TransactionContext();
+        $this->context->setName(
+            $name?$name:
+            (php_sapi_name()=='cli'?'CLI execution':'HTTP request')
+        );
+        $this->context->setOp(
+            $op?$op:
+            (php_sapi_name()=='cli'?'cli.command':'http.request')
+        );
+
+        // Start the transaction
+        $this->transaction = \Sentry\startTransaction($this->context);
+
+        // Set the current transaction as the current span so we can retrieve it later
+        \Sentry\SentrySdk::getCurrentHub()->setSpan($this->transaction);
+    }
+
+    /**
+     * Destructor: Stop the current Sentry transaction
+     * @return void
+     */
+    public function __destruct() {
+        SentrySpan :: finishAll();
+        $this->transaction->finish();
+    }
+}
+
+# vim: tabstop=2 shiftwidth=2 softtabstop=2 expandtab