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<?php $url="https://raw.githubusercontent.com/dmfilipenko/timezones.json/master/timezones.json"; foreach(json_decode(file_get_contents($url), true) as $tz){ if($tzs[$tz['abbr']]) print_r($tz); $tzs[$tz['abbr']]=true; }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: file_get_contents(): Unable to find the wrapper "https" - did you forget to enable it when you configured PHP? in /in/0pLpV on line 5 Warning: file_get_contents(): open_basedir restriction in effect. File(https://raw.githubusercontent.com/dmfilipenko/timezones.json/master/timezones.json) is not within the allowed path(s): (/tmp:/in:/etc) in /in/0pLpV on line 5 Warning: file_get_contents(https://raw.githubusercontent.com/dmfilipenko/timezones.json/master/timezones.json): Failed to open stream: Operation not permitted in /in/0pLpV on line 5 Warning: foreach() argument must be of type array|object, null given in /in/0pLpV on line 5

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