mysql - Best practice for writing sql statements in php -

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Does someone point me to a resource or shows me a good way to write sql statements in php

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  1. use
  2. feel free to format your code

Code sample: 

  $ stmt = $ pdo- & gt; Ready ('Select ... from ... JOIN ... JOIN ... where ... and ABC =: ABC and DEF = DEF'); $ Stmt- & gt; Execution (array ('abc' = & gt; 'ABC value', 'DEF' => 'DEF value'));

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