Move PHP_BINARY from array to code so that it won't get lost

Author: Willem Stuursma

src/Config.php

@@ -179,7 +179,7 @@ class Config
      *
      * @var array<string, string>
      */
-    private static $executablePaths = ["php" => PHP_BINARY];
+    private static $executablePaths = [];
 
 
     /**
@@ -1516,6 +1516,13 @@ public static function getExecutablePath($name)
             return $data;
         }
 
+        if ($name === "php") {
+            /*
+             * For php, we know the executable path. There's no need to look it up.
+             */
+            return PHP_BINARY;
+        }
+
         if (array_key_exists($name, self::$executablePaths) === true) {
             return self::$executablePaths[$name];
         }