Home/ Manual/ appendices/ Migrating from PHP 7.1.x to PHP 7.2.x

Migrating from PHP 7.1.x to PHP 7.2.x

Appendix Edit on GitHub ✎

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.

Seealso 7.0.x and 7.1.x.

New-features New-functions Constants Incompatible Deprecated Other-changes

In this section

Backward incompatible changes

Previously, it was possible for the number_format function to return -0. Whilst this is pe...

Deprecated features in PHP 7.2.x

Unquoted strings that are non-existent global constants are taken to be strings of themsel...

New features

A new type, object, has been introduced that can be used for (contravariant) parameter typ...

New functions

stream_isatty

New global constants

PHP_FLOAT_DIG

Other changes

The utf8_encode and utf8_decode functions have now been moved to the standard extension as...

Source: appendices/migration72.xml · from the official PHP manual (php/doc-en)