Removed syntastic and replaced it with ale

Read more here:
https://github.com/w0rp/ale

sources_non_forked/ale/ale_linters/php/phan.vim

@@ -0,0 +1,36 @@
+" Author: diegoholiveira <https://github.com/diegoholiveira>
+" Description: static analyzer for PHP
+
+" Define the minimum severity
+let g:ale_php_phan_minimum_severity = get(g:, 'ale_php_phan_minimum_severity', 0)
+
+function! ale_linters#php#phan#GetCommand(buffer) abort
+    return 'phan -y '
+    \   . ale#Var(a:buffer, 'php_phan_minimum_severity')
+    \   . ' %s'
+endfunction
+
+function! ale_linters#php#phan#Handle(buffer, lines) abort
+    " Matches against lines like the following:
+    "
+    " /path/to/some-filename.php:18 ERRORTYPE message
+    let l:pattern = '^.*:\(\d\+\)\s\(\w\+\)\s\(.\+\)$'
+    let l:output = []
+
+    for l:match in ale#util#GetMatches(a:lines, l:pattern)
+        call add(l:output, {
+        \   'lnum': l:match[1] + 0,
+        \   'text': l:match[3],
+        \   'type': 'W',
+        \})
+    endfor
+
+    return l:output
+endfunction
+
+call ale#linter#Define('php', {
+\   'name': 'phan',
+\   'executable': 'phan',
+\   'command_callback': 'ale_linters#php#phan#GetCommand',
+\   'callback': 'ale_linters#php#phan#Handle',
+\})