Migrating from PHP 7.2.x to PHP 7.3.x

Table of Contents

• New Features
• New Functions
• New Global Constants
• Backward Incompatible Changes
• Deprecated Features
• Other Changes
• Windows Support

This new minor version brings with it a number of new features and a few incompatibilities that should be tested for before switching PHP versions in production environments.

See also the migration guides for PHP versions 7.0.x, 7.1.x and 7.2.x.

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