Search a directory for PHP files and replace instances of split() with explode()

split_to_explode.sh

for file in $(egrep --include=*.php -rl "([^a-zA-Z_]+)split\(" .)
do
# you might replace 'preg_split' with 'explode' if you don't require regex support
sed -E "s/([^a-zA-Z_]+)split\(/\1preg_split\(/g" $file > /tmp/tempfile.tmp
mv /tmp/tempfile.tmp $file
done