[Lock][Process] Replace strtok calls

Author: alexandre-daubois

ExecutableFinder.php

@@ -79,8 +79,14 @@ public function find(string $name, ?string $default = null, array $extraDirs = [
             }
         }
 
+        if (!\function_exists('exec')) {
+            return $default;
+        }
+
         $command = '\\' === \DIRECTORY_SEPARATOR ? 'where' : 'command -v --';
-        if (\function_exists('exec') && ($executablePath = strtok(@exec($command.' '.escapeshellarg($name)), \PHP_EOL)) && @is_executable($executablePath)) {
+        $execResult = @exec($command.' '.escapeshellarg($name));
+
+        if (($executablePath = substr($execResult, 0, strpos($execResult, \PHP_EOL) ?: null)) && @is_executable($executablePath)) {
             return $executablePath;
         }
 

PhpExecutableFinder.php

@@ -33,8 +33,13 @@ public function find(bool $includeArgs = true): string|false
     {
         if ($php = getenv('PHP_BINARY')) {
             if (!is_executable($php)) {
+                if (!\function_exists('exec')) {
+                    return false;
+                }
+
                 $command = '\\' === \DIRECTORY_SEPARATOR ? 'where' : 'command -v --';
-                if (\function_exists('exec') && $php = strtok(exec($command.' '.escapeshellarg($php)), \PHP_EOL)) {
+                $execResult = exec($command.' '.escapeshellarg($php));
+                if ($php = substr($execResult, 0, strpos($execResult, \PHP_EOL) ?: null)) {
                     if (!is_executable($php)) {
                         return false;
                     }