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? ??? ?? PHP ???? ? PHP ??? CSV ???? BOM? ???? ??? ??? ??????

? PHP ??? CSV ???? BOM? ???? ??? ??? ??????

Nov 03, 2024 am 05:36 AM

Why Does My PHP Code Fail to Remove BOM from CSV Files?

??? ? .csv ???? BOM ??: ?? ??

.csv ??? ??? ? ??? ?? ??( BOM)? ???? ??? ???? ???? ?????. ??? preg_replace ? str_replace? ??? ??? ????? ???????. ??? ???? ?? ?? ??? ???????.

??? fopen? ???? ?? ? ??? CSV ??? ?? ??? ?????. ?? ?? fgetcsv? ???? ??? ????? utf8_encode? ???? UTF-8? ????? ?????. ??? ? ???? BOM ??? ???? ????.

??? ?????? BOM? ????? ???? ?? RemoveBomUtf8??? ??? ???? ?? ????. ????? BOM? UTF-8?? ?? 3??? 0xEF, 0xBB ? 0xBF? ?????. ???? ??. ?? ?? ?? ?? ??? ?? ? ??? ??? ? ????.

?? ??? ?? CSV ??? ??? ???? ????? ?? ??? ??? ?? ? ????. ?? ????? ?? ??? ???? ?? ??? ???? ??? ?? ?? ?? ??? ???? ?? ????.

??? BOM ?? ??? ?? ???? ?? ??? ??? ????? ?? ?????.

<code class="php">function removeBomUtf8($s){
    if(substr($s,0,3)==chr(hexdec('EF')).chr(hexdec('BB')).chr(hexdec('BF'))){
        return substr($s,3);
    }else{
        return $s;
    }
}

setlocale(LC_ALL, 'nl_NL');
ini_set('auto_detect_line_endings',TRUE);
require_once(ABSPATH.'wp-admin/includes/file.php' );

$path = get_home_path();
$filepath = $path .'wp-content/themes/pon/testing.csv';
$content = file_get_contents($filepath);
file_put_contents($filepath, str_replace("\xEF\xBB\xBF",'', $content));

// Create temporary file
$tempfile = tempnam(sys_get_temp_dir(), 'csv_');
fopen($tempfile, "w");

// Process lines and remove BOM
$file = fopen($filepath, "r") or die("Error opening file");
while(($line = fgetcsv($file, 1000, ";")) !== FALSE) {
    fputcsv(fopen($tempfile, 'w'), $line);
}

// Move temporary file to original location
fclose($file);
unlink($filepath);
rename($tempfile, $filepath);

// Continue your processing
...</code>

? ?? ??? BOM? ????? ???? ?? ????? ???? ?? ??? ??? ???? ???.

? ??? ? PHP ??? CSV ???? BOM? ???? ??? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

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