Example of converting files in a directory from UTF-8 to ASCII

convert_files_utf8_to_ansi.php

<?php

print PHP_EOL;

if ( count($argv) < 2 ) {
    exit(
        'Convert all files in a directory from UTF-8 to ANSI' .
        PHP_EOL . 'USAGE: ' . $argv[0] . ' <path>' . PHP_EOL
    );
}

$path = $argv[1];

if ( !is_dir($path) ) {
    exit( 'Not a directory - ' . $path );
}

$dh = @opendir( $path );

if ( !$dh ) {
    exit( 'Couldn\'t open path - ' . $path );
}

print 'Converting files...' . PHP_EOL;

while ( ($file = readdir($dh)) !== false ) {
    
    if ( in_array( $file, array('.', '..', $argv[0])) ) {
        // Skip system "previous/current" directories, and self
        continue;
    }
    
    print '    > ' . $file . PHP_EOL;
    
    $fullPath = ( $path . '/' . $file );
    $data = file_get_contents( $fullPath );
    $converted = mb_convert_encoding( $data, 'UTF-8', 'ASCII' );
    file_put_contents( $fullPath, $converted, LOCK_EX );
    
}

print PHP_EOL;
@closedir( $dh );