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<?php function siteURL() { return "http://example.com/dir/"; } define('SITE_URL', siteURL()); //returns http://example.com/dir/ define('CKEDITOR', SITE_URL.'plugins/ckeditor/ckeditor.js'); // ignore the previous code is just to emulate your constants and functions // the answer is the following line: echo str_replace(SITE_URL,'',CKEDITOR); ?>
Output for git.master, git.master_jit, rfc.property-hooks
plugins/ckeditor/ckeditor.js

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