diff --git a/plugins/composer/_composer b/plugins/composer/_composer
new file mode 100644
index 000000000..ccfcfb906
--- /dev/null
+++ b/plugins/composer/_composer
@@ -0,0 +1,21 @@
+#compdef composer
+#autoload
+
+local -a _1st_arguments
+
+_1st_arguments=(`composer --no-ansi | sed "1,/Available commands/d" | awk '{ printf $1":"; for (i = 2; i <= NF; i++) printf "%s\xc2\xa0",$i; printf "\n" }'`)
+
+_arguments \
+ '(--help)--help[Display help message.]' \
+ '(--quiet)--quiet[Do not output any message.]' \
+ '(--verbose)--verbose[Increase verbosity of messages.]' \
+ '(--version)--version[Display this application version.]' \
+ '(--ansi)--ansi[Force ANSI output.]' \
+ '(--no-ansi)--no-ansi[Disable ANSI output.]' \
+ '(--no-interaction)--no-interaction[Do not ask any interactive question.]' \
+ '*:: :->subcmds' && return 0
+
+if (( CURRENT == 1 )); then
+  _describe -t commands "composer subcommand" _1st_arguments
+  return
+fi
diff --git a/plugins/composer/_composer.phar b/plugins/composer/_composer.phar
new file mode 100644
index 000000000..d16e88b4a
--- /dev/null
+++ b/plugins/composer/_composer.phar
@@ -0,0 +1,21 @@
+#compdef composer.phar
+#autoload
+
+local -a _1st_arguments
+
+_1st_arguments=(`composer.phar --no-ansi | sed "1,/Available commands/d" | awk '{ printf $1":"; for (i = 2; i <= NF; i++) printf "%s\xc2\xa0",$i; printf "\n" }'`)
+
+_arguments \
+ '(--help)--help[Display help message.]' \
+ '(--quiet)--quiet[Do not output any message.]' \
+ '(--verbose)--verbose[Increase verbosity of messages.]' \
+ '(--version)--version[Display this application version.]' \
+ '(--ansi)--ansi[Force ANSI output.]' \
+ '(--no-ansi)--no-ansi[Disable ANSI output.]' \
+ '(--no-interaction)--no-interaction[Do not ask any interactive question.]' \
+ '*:: :->subcmds' && return 0
+
+if (( CURRENT == 1 )); then
+  _describe -t commands "composer.phar subcommand" _1st_arguments
+  return
+fi
diff --git a/plugins/composer/composer.plugin.zsh b/plugins/composer/composer.plugin.zsh
new file mode 100644
index 000000000..2b1f2855a
--- /dev/null
+++ b/plugins/composer/composer.plugin.zsh
@@ -0,0 +1,11 @@
+#alias
+if which composer.phar &> /dev/null; then
+  if which composer &> /dev/null; then
+  else
+    alias composer="composer.phar"
+  fi
+else
+  if which composer &> /dev/null; then
+    alias composer.phar="composer"
+  fi
+fi