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Editorial Team
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Asked: 2026-06-15T16:58:26+00:00

I have been seen this Does variable name length matter for performance C#? topic

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I have been seen this Does variable name length matter for performance C#? topic and have same question about php.

My co-worker (Front-end) have been encoded everything like $o, $r, $x, $m, $c and motivated it best performance. I really very doubt about it and code became difficult to read.

  1. $o – object or obj
  2. $m – $model
  3. $r – $query_result or $result
  4. $x – $xml_node

Every thing look like 

            if ( isset ( self::$o[ self::$x -> name ] ) ) :

            $c = 'ClassPrefix_' . self::$o[ self::$x -> name ];

            $o = new $c;

            self::$x -> read ( );
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1 Answer

  1. Editorial Team

    Variable names exist more as a programmer aide – when a program or script is interpreted, these are converted into memory locations. Shorter variables will only negatively impact performance of the programmer(s) when modifying / debugging code in the future.

    Obfuscation is a widely used technique that involves replacing variable names with single/multi-character variable names, but that is used in an attempt to make reverse engineering / lifting core technology from projects where the source code is readily available / easily extracted more difficult.

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