PHP Manual

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  1. Appendices
  2. Migrating from PHP 5.1.x to PHP 5.2.x
Appendices History of PHP and Related Projects Migrating from PHP 5.5.x to PHP 5.6.x Migrating from PHP 5.4.x to PHP 5.5.x Migrating from PHP 5.3.x to PHP 5.4.x Migrating from PHP 5.2.x to PHP 5.3.x Migrating from PHP 5.1.x to PHP 5.2.x Migrating from PHP 5.0.x to PHP 5.1.x Migrating from PHP 4 to PHP 5.0.x Classes and Objects (PHP 4) Debugging in PHP Configure options php.ini directives Extension List/Categorization List of Function Aliases List of Reserved Words List of Resource Types List of Available Filters List of Supported Socket Transports PHP type comparison tables List of Parser Tokens Userland Naming Guide About the manual Creative Commons Attribution 3.0 Index listing Changelog
  • Other changes
  • What has changed in 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

See also the migration guides for PHP versions 5.0.x, 5.1.x, 5.3.x, 5.4.x and 5.5.x.

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