From 6a707db5685c2a90e0dddab3c680cb4f4eb3231c Mon Sep 17 00:00:00 2001
From: Phil Cook <phil.cook@easyfundraising.org.uk>
Date: Wed, 2 Apr 2014 19:26:35 +0100
Subject: [PATCH] Fixed issue #3 by adding if statement to catch if a variable
 passed in or not.

---
 phpswitch.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/phpswitch.sh b/phpswitch.sh
index 9b778e8..a596934 100644
--- a/phpswitch.sh
+++ b/phpswitch.sh
@@ -11,6 +11,13 @@ php_opt_path="$brew_prefix\/opt\/"
 php_lib_path="\/libexec\/apache2\/libphp5.so"
 php_mod_path="$php_opt_path$php_version$php_lib_path"
 
+# Has the user submitted a version required
+if [[ -z "$1" ]]
+then
+	echo "Please set which version you want to switch to. E.g. brew-php-switcher 53"
+	exit
+fi
+
 # What versions of php are installed via brew
 for i in ${php_array[@]}
 	do