* lang_php/analyze/foundation/graph_code_php.ml: start putting graph code statistics
* lang_php/analyze/foundation/meta_ast_php_simple.ml: ugly toks_of_any
* h_program-lang/graph_code.ml: start of statistics
* lang_php/analyze/foundation/graph_code_php.ml: more statistics
* lang_php/analyze/foundation/graph_code_php.ml: return statistics, also CEs