Rename File Extention Only in Same Directory

renameFileExtension-samePath.php

<?php 
// open the current directory (change this to modify where you're looking)
$dir = opendir('.');

// loop through all the files in the directory
while (false !== ($file = readdir($dir)))
{
    // if the extension is '.jpg'
    if (strtolower(pathinfo($file, PATHINFO_EXTENSION)) == 'html')
    {
        // explode the filename so we can change the extension only and filename stays
        $fileName = explode(".", $file);

        // gets the first part of the filename after explode and change the extension
        $newName = $fileName[0] . '.blade.php';

        // do the rename based on the current iteration
        rename($file, $newName);
    }
}

// close the directory handle
closedir($dir);

?>