A boilerplate single php file for all your needs, no frameworks, no libraries.
It is a well known architecture design that single php file can solve problems at massive scale, without frameworks and without libraries, while ensuring cutting edge performance.
It was observed that due to popularity of the architecture, it has been adopted at numerous places, and hence leading to repetitive work of setting up the single PHP file which contains everything. Some superb examples of single PHP file running large systems :
https://twitter.com/levelsio/status/1383811160688893952
https://twitter.com/levelsio/status/1381709793769979906
https://twitter.com/yongfook/status/1382517013327749124
https://twitter.com/dabit3/status/1382724062133293060
This boilerplate saves you major efforts and helps you achieve your milestones faster, with the single PHP file. Strategy and efficiency !