Recursively remove the php closing tag `?>` and any following blank lines from the end of any PHP file. Source directories can be configured.

remove_closing_tags.sh

#!/bin/bash

###############################
# Recursively remove the closing php tag `?>` and any following blank lines from the
# end of any PHP file. Source directories can be configured.
#
# Author: Fabien Udriot <fabien.udriot@ecodev.ch>
# Date: 2014-02-11
###############################

# Configurable source directories to be scanned.
# example: folders=(foo bar)
folders=(Classes)

for folder in "${folders[@]}"
do
	files=$(find $folder -type f -name "*.php");

	for match in $files;
	do
		file=`echo $match | awk -F ':' '{print $1}'`;
		lineCount=`wc -l $file | awk -F " " '{print $1}'`;
		echo "Removing lines through ${lineCount} from file $file...";
		sed 's/?>//g' $file > $file.bak
		sed -e :a -e '/^\n*$/{$d;N;ba' -e '}' $file.bak > $file
		rm $file.bak;
	done;

done

exit $?