* lang_php/analyze/foundation/graph_code_php.ml: start factorize code for later add nodeinfo
* lang_php/analyze/foundation/ast_php_simple.ml: AnonLambda
* lang_php/analyze/checker/check_variables_php.ml: CE
* lang_php/analyze/foundation/graph_code_php.ml: add_node_and_edge_if_defs_mode, more factorization