PHP Smart Differencer

The PHP Smart Differencer tool compares two PHP source files to determine the changes made from one to determine the other. It is a member of SD's family of SmartDifferencer tools. An example of the PHP Smart Differencer's results can be seen here.

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PHP Smart Differencer Features

  • Compares two PHP files and produces list of explicit changes
  • Handles PHP 5.x
  • Understands PHP language syntax precisely:
    • All keywords, operators, and identifiers
    • Integer and floating constants as their numeric value
    • Whitespace (ignored)
    • /* ... */ and //... comments (ignored)
  • Output in terms of language syntax elements: identifiers, expressions, statements, blocks, functions, etc.
  • Detects consistent renaming within an arbitrary block of code
  • Generates deltas in two forms:
    • Human readable format, showing location of deltas type (language nonterminals), locations (line,column) and before and after text
    • Summary form, showing just succinct summary of delta types and locations
  • Can process batches of files, specified either manually or through a PHP-based file-selector GUI.
  • Input encoding in ASCII, European ASCII, or UNICODE (UTF-8 or UTF-16)
  • Output encoding in ASCII, European ASCII, or UNICODE (UTF-8 or UTF-16)
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PHP Smart Differencer