Use interpolation to ensure LPORT is a string for gsub

[Fixes #6542]

modules/payloads/stagers/php/bind_tcp.rb

@@ -32,14 +32,8 @@ module Metasploit3
 			))
 	end
 	def generate
-		if (datastore['LPORT'] and not datastore['LPORT'].empty?)
-			lport = datastore['LPORT']
-		else
-			lport = '4444'
-		end
-
 		bind = File.read(File.join(Msf::Config::InstallRoot, 'data', 'php', 'bind_tcp.php'))
-		bind.gsub!("4444", lport)
+		bind.gsub!("4444", "#{datastore["LPORT"]}")
 
 		return super + bind
 	end

modules/payloads/stagers/php/reverse_tcp.rb

@@ -38,17 +38,9 @@ module Metasploit3
 	# Constructs the payload
 	#
 	def generate
-		if (datastore['LHOST'] and not datastore['LHOST'].empty?)
-			lhost = datastore['LHOST']
-			lport = datastore['LPORT']
-		else
-			lhost = '127.0.0.1'
-			lport = '4444'
-		end
-
 		reverse = File.read(File.join(Msf::Config::InstallRoot, 'data', 'php', 'reverse_tcp.php'))
-		reverse.gsub!("127.0.0.1", lhost)
-		reverse.gsub!("4444", lport)
+		reverse.gsub!("127.0.0.1", "#{datastore["LHOST"]}")
+		reverse.gsub!("4444", "#{datastore["LPORT"]}")
 		#reverse.gsub!(/#.*$/, '')
 		#reverse = Rex::Text.compress(reverse)