Compatible with php 8.3

[Alex300]

Fix Deprecated: Implicit conversion from float to int loses precision
Fix dinamic creation object property is deprecated

[peterdd]

return type definitions are PHP 7+, securimage is PHP5.4+

(assuming there are still PHP5.6 installs at least)

https://wiki.php.net/rfc/return_types

[Alex300]

I removed return type definitions. I didn't even know that someone could use PHP 5.x

[perdedora]

The phpdoc for getCode is wrong. If $returnExisting is set to false, it will return an object somehow, not an array.

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return type definitions are PHP 7+, securimage is PHP5.4+

Where did you got this information about PHP5.4+?
The README clearly states PHP7.0+ which already supports return types.

[dregad]

Where did you got this information about PHP5.4+?
The README clearly states PHP7.0+ which already supports return types.

This comes from composer.json, in the nextgen branch targeted by this PR:

securimage/composer.json

Lines 14 to 15 in 864ba75

	"require": {
	"php": ">=5.4",

Commit 680b1f5 only bumped the version in the README..