diff --git a/xcode/aux_scripts/install_env.sh b/xcode/aux_scripts/install_env.sh
index d1c1fc0..379c640 100644
--- a/xcode/aux_scripts/install_env.sh
+++ b/xcode/aux_scripts/install_env.sh
@@ -1,3 +1,5 @@
+#!/bin/sh
+
 # Description:
 #   Add user defined enviroment if programm not found
 #
@@ -14,7 +16,19 @@
 
 function source_home_file {
   file="$HOME/$1"
-  [[ -f "${file}" ]] && source "${file}"
+
+  if [[ -f "${file}" ]]; then
+    if ! source "${file}"; then
+      export_commands="$(cat "${file}" | grep "^export PATH=")"
+
+      while read export_command
+      do
+        eval "$export_command"
+      done <<< "$export_commands"
+    fi
+  fi
+
+  return 1
 }
 
 # Use specific exec due to Xcode has custom value of $PATH 
diff --git a/xcode/build_phases/localization.sh b/xcode/build_phases/localization.sh
index dea12e3..1b3d6e8 100644
--- a/xcode/build_phases/localization.sh
+++ b/xcode/build_phases/localization.sh
@@ -19,18 +19,29 @@
 #   . localization.sh common/strings Resources/Localization/ .main
 #
 
+readonly EXIT_SUCCESS=0
+readonly EXIT_FAILURE=1
+
+. ${SCRIPT_DIR}/../aux_scripts/install_env.sh php
+
 STRINGS_FOLDER=${1:-"common/strings"}
 LOCALIZATION_PATH=${2:-"${PRODUCT_NAME}/Resources/Localization/"}
 BUNDLE=${3:-".main"}
 
 if ! [ -e ${LOCALIZATION_PATH} ]; then
 	echo "${LOCALIZATION_PATH} path does not exist. Add these folders and try again."
-	exit 1
+	exit ${EXIT_FAILURE}
 fi
 
 if ! [ -e "${STRINGS_FOLDER}" ]; then
 	echo "${STRINGS_FOLDER} path does not exist. Submodule with strings should be named common and contain strings folder."
-	exit 1
+	exit ${EXIT_FAILURE}
 fi
 
-php ${SCRIPT_DIR}/../aux_scripts/import_strings.php ${LOCALIZATION_PATH} ${STRINGS_FOLDER} ${BUNDLE}
+if which php >/dev/null; then
+	php ${SCRIPT_DIR}/../aux_scripts/import_strings.php ${LOCALIZATION_PATH} ${STRINGS_FOLDER} ${BUNDLE}
+else
+	echo "warning: php not installed, install using 'brew install php'"
+
+	exit ${EXIT_FAILURE}
+fi
\ No newline at end of file