php - I am having trouble installing CakePHP on my Mac -


i have xampp 5.6.8 , mamp 3.2.1 installed on computer. have composer installed globally on mac. tried suggestions in cakephp not able install it. looked on forum , none of suggestions have worked me. error when type in commands terminal.

    carloss-mac-mini:~ carlos_zetroc$ composer create-project --prefer-dist cakephp/app [cakephp] installing cakephp/app (3.0.2)   - installing cakephp/app (3.0.2)     loading cache  created project in [cakephp] loading composer repositories package information installing dependencies (including require-dev) requirements not resolved installable set of packages.    problem 1     - cakephp/cakephp 3.0.x-dev requires ext-intl * -> requested php extension intl missing system.     - cakephp/cakephp 3.1.x-dev requires ext-intl * -> requested php extension intl missing system.     - cakephp/cakephp 3.0.2 requires ext-intl * -> requested php extension intl missing system.     - cakephp/cakephp 3.0.1 requires ext-intl * -> requested php extension intl missing system.     - cakephp/cakephp 3.0.0-beta3 requires ext-intl * -> requested php extension intl missing system.     - cakephp/cakephp 3.0.0-beta2 requires ext-intl * -> requested php extension intl missing system.     - cakephp/cakephp 3.0.0-beta1 requires ext-intl * -> requested php extension intl missing system.     - cakephp/cakephp 3.0.0-alpha2 requires ext-intl * -> requested php extension intl missing system.     - cakephp/cakephp 3.0.0-alpha1 requires ext-intl * -> requested php extension intl missing system.     - cakephp/cakephp 3.0.0-rc2 requires ext-intl * -> requested php extension intl missing system.     - cakephp/cakephp 3.0.0-rc1 requires ext-intl * -> requested php extension intl missing system.     - cakephp/cakephp 3.0.0 requires ext-intl * -> requested php extension intl missing system.     - installation request cakephp/cakephp ~3.0 -> satisfiable cakephp/cakephp[3.0.0, 3.0.0-rc1, 3.0.0-rc2, 3.0.0-alpha1, 3.0.0-alpha2, 3.0.0-beta1, 3.0.0-beta2, 3.0.0-beta3, 3.0.1, 3.0.2, 3.1.x-dev, 3.0.x-dev]. 

if can me out i'd appreciate it.

you have install , enable ext-intl on system before installing cakephp.

you instruction here