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  • Migrating from PHP 5.1.x to PHP 5.2.x

Migrating from PHP 5.1.x to PHP 5.2.x

Table of Contents

  • What has changed in PHP 5.2.x
  • Backward Incompatible Changes
  • New Error Messages
  • Changes in PHP datetime support
  • New Parameters
  • New Functions
  • New Methods
  • Removed Extensions
  • New Extensions
  • New Classes
  • New Global Constants
  • New Class Constants
  • New INI Configuration Directives
  • Error Reporting
  • Other Enhancements

参见 PHP 版本迁移指南 5.0.x, 5.1.x, 5.3.x, 5.4.x, 5.5.x and 5.6.x.