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<?php $timezone_identifiers = DateTimeZone::listIdentifiers(); $maxlen = 0; foreach($timezone_identifiers as $id) { if(strlen($id) > $maxlen) $maxlen = strlen($id); } echo "Max Length: $maxlen"; /* Output: Max Length: 32 */ ?>
Output for git.master, git.master_jit, rfc.property-hooks
Max Length: 30

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