v.0.1

vendor/illuminate/support/ProcessUtils.php

@@ -0,0 +1,69 @@
+<?php
+
+namespace Illuminate\Support;
+
+/**
+ * ProcessUtils is a bunch of utility methods.
+ *
+ * This class was originally copied from Symfony 3.
+ */
+class ProcessUtils
+{
+    /**
+     * Escapes a string to be used as a shell argument.
+     *
+     * @param  string  $argument
+     * @return string
+     */
+    public static function escapeArgument($argument)
+    {
+        // Fix for PHP bug #43784 escapeshellarg removes % from given string
+        // Fix for PHP bug #49446 escapeshellarg doesn't work on Windows
+        // @see https://bugs.php.net/bug.php?id=43784
+        // @see https://bugs.php.net/bug.php?id=49446
+        if ('\\' === DIRECTORY_SEPARATOR) {
+            if ('' === $argument) {
+                return '""';
+            }
+
+            $escapedArgument = '';
+            $quote = false;
+
+            foreach (preg_split('/(")/', $argument, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE) as $part) {
+                if ('"' === $part) {
+                    $escapedArgument .= '\\"';
+                } elseif (self::isSurroundedBy($part, '%')) {
+                    // Avoid environment variable expansion
+                    $escapedArgument .= '^%"'.substr($part, 1, -1).'"^%';
+                } else {
+                    // escape trailing backslash
+                    if ('\\' === substr($part, -1)) {
+                        $part .= '\\';
+                    }
+                    $quote = true;
+                    $escapedArgument .= $part;
+                }
+            }
+
+            if ($quote) {
+                $escapedArgument = '"'.$escapedArgument.'"';
+            }
+
+            return $escapedArgument;
+        }
+
+        return "'".str_replace("'", "'\\''", $argument)."'";
+    }
+
+    /**
+     * Is the given string surrounded by the given character?
+     *
+     * @param  string  $arg
+     * @param  string  $char
+     * @return bool
+     */
+    protected static function isSurroundedBy($arg, $char)
+    {
+        return 2 < strlen($arg) && $char === $arg[0] && $char === $arg[strlen($arg) - 1];
+    }
+}