bears: Add PhanBear

.ci/deps.sh

@@ -75,6 +75,10 @@ fi
 sudo rm -rf $(which alex)  # Delete ghc-alex as it clashes with npm deps
 npm install
 
+# Phan commands
+git clone https://github.com/etsy/phan.git;
+composer install;
+
 # R commands
 echo '.libPaths( c( "'"$R_LIB_USER"'", .libPaths()) )' >> .Rprofile
 echo 'options(repos=structure(c(CRAN="http://cran.rstudio.com")))' >> .Rprofile

bears/php/PhanBear.py

@@ -0,0 +1,24 @@
+from coalib.bearlib.abstractions.Linter import linter
+
+
+@linter(executable='phan',
+        output_format='regex',
+        output_regex=r'(?P<filename>.+):(?P<line>\d+)\s(?P<message>.+)')
+class PhanBear:
+    """
+    Phan is a static analyzer for PHP that looks for common issues and will
+    verify type compatibility on various operations when type information is
+    available or can be deduced.
+
+    See <https://github.com/etsy/phan> for more information.
+    """
+    LANGUAGES = {'PHP'}
+    AUTHORS = {'The coala developers'}
+    AUTHORS_EMAILS = {'[email protected]'}
+    LICENSE = 'AGPL-3.0'
+    CAN_DETECT = {'Formatting', 'Syntax', 'Documentation',
+                  'Code Simplification'}
+    ASCIINEMA_URL = ''
+
+    def create_argument(file, filename, config_file):
+        return (filename,)

tests/php/PhanBearTest.py

@@ -0,0 +1,23 @@
+from coalib.testing.LocalBearTestHelper import verify_local_bear
+from bears.php.PhanBear import PhanBear
+
+bad_file_closure = '''<?php
+$closure = function() {
+    return 42;
+};
+class A {
+    private $a = 42;
+    public function f() {
+        $b = 2;
+        $closure = function(int $p) use (&$b, $c) {
+            return ($p + $this->a + $b);
+        };
+        return $closure(3);
+    }
+}
+'''
+
+PhanBearTest = verify_local_bear(
+    PhanBear,
+    valid_files=(),
+    invalid_files=(bad_file_closure,))