How could I install codeignitor ?

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How can we determine whether a variable is set?

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how to retrieve from database..... this format (PRMRMDU402). firstname= prabhu, lastname=kumar, city=madurai, pincode=624402.... i want first name first two letters and last name last two letters ... city first two letters ... pin code last three letters....

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Inside a php function, what param needs to be set in order to access a global variable?

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What are the advantages and disadvantages of Cascading Style Sheets?

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What is the tags in PHP is not a valid way to begin and end a PHP code block?

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Tell me what is the difference between the functions strstr() and stristr()?

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why we used type-pool SLIS in ALVs? how many types of windows in scripts?

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What is cakephp framework?

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How do I make a reset button in html?

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How long will it take to learn php?

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class Database { public static $_instance; public static function getInstance() { if(!isset(self::$_instance)) self::$_instance = new Database(DB_SERVER, DB_USER, DB_PASS, DB_NAME); print_r(self::$_instance); return self::$_instance; } } can any one explain "self::$_instance = new Database(DB_SERVER, DB_USER, DB_PASS, DB_NAME);" this line

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