IHF: call_in_background helper added.

Author: dmitry-ivanov

src/artisan.php

@@ -0,0 +1,31 @@
+<?php
+
+use Symfony\Component\Process\PhpExecutableFinder;
+use Symfony\Component\Process\ProcessUtils;
+
+if (!function_exists('call_in_background')) {
+    function call_in_background($command, $before = null, $after = null)
+    {
+        $parts = [];
+        if (!empty($before)) {
+            $parts[] = $before;
+        }
+
+        $binary = ProcessUtils::escapeArgument((new PhpExecutableFinder)->find(false));
+        if (defined('HHVM_VERSION')) {
+            $binary .= ' --php';
+        }
+        $artisan = 'artisan';
+        if (defined('ARTISAN_BINARY')) {
+            $artisan = ProcessUtils::escapeArgument(ARTISAN_BINARY);
+        }
+        $parts[] = "{$binary} {$artisan} {$command}";
+
+        if (!empty($after)) {
+            $parts[] = $after;
+        }
+
+        $expression = implode(' && ', $parts);
+        exec("({$expression}) > /dev/null 2>&1 &");
+    }
+}