Ressources
Pour écrire un parser
Howto use array_map on associative arrays to change values and keys - Daniel Auener
Implementing a Customer Domain Specific Language Parser in PHP - Stillat
Just write the #!%/* parser
Pretty Diff - Guide: How to write a parser
Writing a Parser — Part I: Getting Started | by Supun Setunga | Medium
Writing an Interpreter From Scratch | Toptal