method_exists parameter swap, threw exception on php 7

Bugfix

Replace used 'create_function' by an anonymous function
that is builtin since php 5.3.

Not possible anymore in php 7.2

Replace used 'create_function' by an anonymous function
that is builtin since php 5.3.

method_exists parameter swap, threw exception on php 7

Not possible anymore in php 7.2

* add github action workflow

* fix env syntax

* switch back to composer update to fix "--prefer-lowest"

* set mysql user/pass on CLI

* set mysql password in fixtures

* use older versions of php to confirm tests work

* set one more password

Co-authored-by: Jeffrey Wong <[email protected]>

* Correct deprecated methods in PHP7.4 (propelorm#1079)

* runtime/lib/query/Join.php
  implode() was used against the definition (wrong PHP documentation

* runtime/lib/query/ModelCriteria.php
  count() was used on non-countable variable (non-array)

* 7.4 and phpunit9 changes. Tests are passing

* Compatibility changes

* Added docker setup

* updated travis

* added correct path

* 7.4 final travis setup

* propelorm#1086: Code review suggestions applying

* remove dependency on docker mysql

* remove 5.6 and 7.2 from test matrix; add 8.0 and 8.1

* Upgraded PHP version and removed some deprecations

* Migrated phpunit.xml.dist

* Switched to PHP8.0 in Dockerfile

* Removed usage of ReflectionClass->getClass in favor of ReflectionClass->getType

* Changed order of arguments in ModelCriteriaTest.php and ModelCriteriaWithNamespaceTest.php

* Fixed signatures of PropelOnDemandCollection::asort and PropelOnDemandCollection::ksort

* Removed require_once from all the classes because we have autoloading via composer

* Rector automated upgrade to PHP8

* Fixed invalid handling of resource type for binded value in DebugPDOStatement.php

* Fixed invalid way of checking if method exists in delegated class via is_callable. Switched to method_exists

* Replaced order of params because of failed tests

* [STYLE]: Added simplified usage because of version support dropping

* Fix use of abs() with string on PHP8.0

Can happen when using Yaml's multiline syntax

* specify minimum version of phing for php8

* drop php 7.3 from test matrix

* update to ubuntu-20.04

* fork propel/propel1 for versions >=1.8

Co-authored-by: Michal Drozd <[email protected]>
Co-authored-by: Luke Adamczewski <[email protected]>
Co-authored-by: Łukasz Adamczewski <[email protected]>
Co-authored-by: Jeffrey Wong <[email protected]>
Co-authored-by: Luke Adamczewski <[email protected]>
Co-authored-by: Paulo Magalhaes <[email protected]>