initial xdebug additions

scripts/start.sh

@@ -122,6 +122,37 @@ if [ ! -z "$PHP_UPLOAD_MAX_FILESIZE" ]; then
  sed -i "s/upload_max_filesize = 100M/upload_max_filesize= ${PHP_UPLOAD_MAX_FILESIZE}M/g" /usr/local/etc/php/conf.d/docker-vars.ini
 fi
 
+# Enable xdebug
+XdebugFile='/usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini'
+if [[ "$ENABLE_XDEBUG" == "1" ]] ; then
+  if [ -f $XdebugFile ]; then
+  	echo "Xdebug enabled"
+  else
+  	echo "Enabling xdebug"
+  	echo "If you get this error, you can safely ignore it: /usr/local/bin/docker-php-ext-enable: line 83: nm: not found"
+    docker-php-ext-enable xdebug
+    # see if file exists
+    if [ -f $XdebugFile ]; then
+        # See if file contains xdebug text.
+        if grep -q xdebug.remote_enable "$XdebugFile"; then
+            echo "Xdebug already enabled... skipping"
+        else
+            echo "zend_extension=$(find /usr/local/lib/php/extensions/ -name xdebug.so)" > $XdebugFile # Note, single arrow to overwrite file.
+            echo "xdebug.remote_enable=1 "  >> $XdebugFile
+            echo "xdebug.remote_log=/tmp/xdebug.log"  >> $XdebugFile
+            echo "xdebug.remote_autostart=false "  >> $XdebugFile # I use the xdebug chrome extension instead of using autostart
+            # NOTE: xdebug.remote_host is not needed here if you set an environment variable in docker-compose like so `- XDEBUG_CONFIG=remote_host=192.168.111.27`.
+            #       you also need to set an env var `- PHP_IDE_CONFIG=serverName=docker`
+        fi
+    fi
+  fi
+else
+    if [ -f $XdebugFile ]; then
+        echo "Disabling Xdebug"
+      rm $XdebugFile
+    fi
+fi
+
 if [ ! -z "$PUID" ]; then
   if [ -z "$PGID" ]; then
     PGID=${PUID}