#!/bin/bash
dir1="/home/direct18/public_html/manager.progymcloud.com"
dir2="/home/direct18/public_html/test.progymcloud.com"

find "$dir1" -name '*.php' | while read -r file1; do
    file2="$dir2/${file1#$dir1/}"
    if [ -e "$file2" ]; then
        diff -q "$file1" "$file2" || echo "Diferencia en $file1 y $file2"
    else
        echo "Archivo $file2 no existe en $dir2"
    fi
done