Online PHP editor | output for 0parn

<?php $boms = array("\xef\xbf\xbe" => '', "\xef\xbf\xbf" => '',); $array = array( "BOMがマルチバイト文字に分断されたもの"=>"あ\xefい\xbf\xbeう\xef\xbfえ\xbfお", "制御文字でBOMが分断されたもの" => "あい\xef\xbf\x07\xbeう\xef\x1f\xbf\xbfえお", "U+FFFE" => "\xef\xbf\xbe", "U+FFFF" => "\xef\xbf\xbf", "1バイト" => "\xef", "2バイト" => "\xef\xbf", "おしい" => "\xef\xbf\x6a" ); foreach($array as $key => $str) { echo $key . " "; echo var_dump(strpos($str, key($boms))); }