phpstan: add page (#2009)

pages/common/phpstan.md

@@ -0,0 +1,27 @@
+# phpstan
+
+> A PHP static analysis tool to discover bugs in code.
+
+- Display available options for analysis:
+
+`phpstan analyse --help`
+
+- Analyse the specified space-separated directories:
+
+`phpstan analyse {{path/to/directory}}`
+
+- Analyse a directory using a configuration file:
+
+`phpstan analyse {{path/to/directory}} --configuration {{path/to/config}}`
+
+- Analyse using a specific rule level (0-7, higher is stricter):
+
+`phpstan analyse {{path/to/directory}} --level {{level}}`
+
+- Specify an autoload file to load before analysing:
+
+`phpstan analyse {{path/to/directory}} --autoload-file {{path/to/autoload_file}}`
+
+- Specify a memory limit during analysis:
+
+`phpstan analyse {{path/to/directory}} --memory-limit {{memory_limit}}`