gistfile1.sh

#!/bin/bash

# Replaces PHP function calls date_format() with date() and date_create() with strtotime() to maintain PHP 5.1 compatibility.

for file in `grep -Rin date_format * | grep -v '.svn' | grep -v 'convert.sh' | grep -v 'test.php' | cut -d: -f1 | sort -u`; do
    echo "Replacing calls in $file";
    #ruby -pe 'gsub(/date_format\(date_create\((.+)\), \"(.+)\"\)/, "date(\"\\2\", strtotime(\\1))")' < $file > $file.temp1
    ruby -pe 'gsub(/date_create\((.+?)\)/, "strtotime(\\1)")' < $file > $file.temp1
    ruby -pe 'gsub(/date_format\((.+?), \"(.+?)\"\)/, "date(\"\\2\", \\1)")' < $file.temp1 > $file.temp2
    rm $file.temp1
    php -l $file.temp2 > /dev/null
    if [[ $? == 0 ]]; then
        echo "Successfully changed ${file}.";
        mv $file.temp2 $file;
    else
        echo "Syntax error in ${file}.temp, deleting.";
        rm $file.temp2
    fi;
done;