chore(composer) add PHP version requirement

Define minimal supported version of PHP needed into composer.json Address hoaproject/Central#70.
hoaproject · Aug 3, 2017 · 373bc80 · 373bc80
1 parent f684859
commit 373bc80
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/composer.json b/composer.json
@@ -25,6 +25,7 @@
         "source": "https://central.hoa-project.net/Resource/Library/Mail"
     },
     "require": {
+        "php"            : ">=5.5.0",
         "hoa/consistency": "~1.0",
         "hoa/exception"  : "~1.0",
         "hoa/mime"       : "~3.0",