Migrating from PHP 5.5.x to PHP 5.6.x

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Most improvements in PHP 5.6.x have no impact on existing code. There area few incompatibilitiesand new features that shouldbe considered, and code should be tested before switching PHPversions in production environments.

See also the migration guides for PHP versions5.0.x,5.1.x,5.2.x,5.3.x,5.4.x and5.5.x.

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User Contributed Notes 1 note

offlinewan at gmail dot com
1 year ago
Plese notice that default POST data parsing has changed.
php 5.5 with "foo=bar&baz" received
  "foo"=> "bar"
and php 5.6 with same input receives:
  "foo"=> "bar",
  "baz"=> ""

Tested via curl --data 'foo=bar&baz' http://localhost

It can create a problem when earlier json came without correct content-type header.
e.g. {"foo":"bar"} in php 5.5 $_POST was
and in php 5.6 will be
  "{\"foo\":\"\bar\"}"=> ""

Tested via curl --data '{"foo":"bar"}' http://localhost
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