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  • PHP Manual
  • Appendices
  • Migrating from PHP 4 to PHP 5.0.x

Migrating from PHP 4 to PHP 5.0.x

Table of Contents

  • What has changed in PHP 5.0.x
  • Backward Incompatible Changes
  • CLI and CGI
  • Migrating Configuration Files
  • New Functions
  • New Directives
  • Databases
  • New Object Model
  • Error Reporting

See also the migration guides for PHP versions 5.1.x, 5.2.x and 5.3.x.