.idea/inspectionProfiles/Default.xml
<component name="InspectionProjectProfileManager">
<profile version="1.0">
<option name="myName" value="Default" />
<inspection_tool class="PhpCSValidationInspection" enabled="true" level="WARNING" enabled_by_default="true">
<option name="CODING_STANDARD" value="PSR2" />
<option name="EXTENSIONS" value="php,js,css,inc" />
</inspection_tool>
</profile>
</component>