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<?php $delimiter = '_'; $value = '20160615132232Ukis308CreateSymbolsTable'; if ( ! ctype_lower($value)) { $value = strtolower(preg_replace('/(.)(?=[A-Z])/', '$1'.$delimiter, $value)); } echo $value;
Output for git.master, git.master_jit, rfc.property-hooks
20160615132232_ukis308_create_symbols_table

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