package expr_test import ( "bytes" "testing" "github.com/z7zmey/php-parser/node/scalar" "github.com/z7zmey/php-parser/node/expr" "github.com/z7zmey/php-parser/node" "github.com/z7zmey/php-parser/node/stmt" "github.com/z7zmey/php-parser/php5" "github.com/z7zmey/php-parser/php7" ) func TestShellExec(t *testing.T) { src := "