lib/SqlFormatter.php
protected static function init()
    {
        if (self::$init) return;

        // Sort reserved word list from longest word to shortest, 3x faster than usort
        $reservedMap = array_combine(self::$reserved, array_map('strlen', self::$reserved));
        arsort($reservedMap);
        self::$reserved = array_keys($reservedMap);

        // Set up regular expressions
        self::$regex_boundaries = '('.implode('|',array_map(array(__CLASS__, 'quote_regex'),self::$boundaries)).')';
        self::$regex_reserved = '('.implode('|',array_map(array(__CLASS__, 'quote_regex'),self::$reserved)).')';
        self::$regex_reserved_toplevel = str_replace(' ','\\s+','('.implode('|',array_map(array(__CLASS__, 'quote_regex'),self::$reserved_toplevel)).')');
        self::$regex_reserved_newline = str_replace(' ','\\s+','('.implode('|',array_map(array(__CLASS__, 'quote_regex'),self::$reserved_newline)).')');

        self::$regex_function = '('.implode('|',array_map(array(__CLASS__, 'quote_regex'),self::$functions)).')';

        self::$init = true;
    }
protected static function init()
    {
        if (self::$init) return;

        // Sort reserved word list from longest word to shortest, 3x faster than usort
        $reservedMap = array_combine(self::$reserved, array_map('strlen', self::$reserved));
        arsort($reservedMap);
        self::$reserved = array_keys($reservedMap);

        // Set up regular expressions
        self::$regex_boundaries = '('.implode('|',array_map(array(__CLASS__, 'quote_regex'),self::$boundaries)).')';
        self::$regex_reserved = '('.implode('|',array_map(array(__CLASS__, 'quote_regex'),self::$reserved)).')';
        self::$regex_reserved_toplevel = str_replace(' ','\\s+','('.implode('|',array_map(array(__CLASS__, 'quote_regex'),self::$reserved_toplevel)).')');
        self::$regex_reserved_newline = str_replace(' ','\\s+','('.implode('|',array_map(array(__CLASS__, 'quote_regex'),self::$reserved_newline)).')');

        self::$regex_function = '('.implode('|',array_map(array(__CLASS__, 'quote_regex'),self::$functions)).')';

        self::$init = true;
    }
protected static function init ( ) { if ( self :: $ init ) return ; // Sort reserved word list from longest word to shortest, 3x faster than usort $ reservedMap = array_combine ( self :: $ reserved , array_map ( 'strlen' , self :: $ reserved ) ) ; arsort ( $ reservedMap ) ; self :: $ reserved = array_keys ( $ reservedMap ) ; // Set up regular expressions self :: $ regex_boundaries = '(' . implode ( '|' , array_map ( array ( __CLASS__ , 'quote_regex' ) , self :: $ boundaries ) ) . ')' ; self :: $ regex_reserved = '(' . implode ( '|' , array_map ( array ( __CLASS__ , 'quote_regex' ) , self :: $ reserved ) ) . ')' ; self :: $ regex_reserved_toplevel = str_replace ( ' ' , '\\s+' , '(' . implode ( '|' , array_map ( array ( __CLASS__ , 'quote_regex' ) , self :: $ reserved_toplevel ) ) . ')' ) ; self :: $ regex_reserved_newline = str_replace ( ' ' , '\\s+' , '(' . implode ( '|' , array_map ( array ( __CLASS__ , 'quote_regex' ) , self :: $ reserved_newline ) ) . ')' ) ; self :: $ regex_function = '(' . implode ( '|' , array_map ( array ( __CLASS__ , 'quote_regex' ) , self :: $ functions ) ) . ')' ; self :: $ init = true ; }
Stuff that only needs to be done once.  Builds regular expressions and sorts the reserved words.
Stuff that only needs to be done once . Builds regular expressions and sorts the reserved words .