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run code in 300+ PHP versions simultaneously
<?php var_dump( $conv = mb_convert_encoding( $bin = hex2bin("1b284200"), "UTF-8", "ISO-2022-JP-MS" ), mb_check_encoding($bin, "ISO-2022-JP-MS"), bin2hex(mb_convert_encoding($conv, "ISO-2022-JP-MS", "UTF-8")) );
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
string(1) "" bool(true) string(2) "00"
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30
string(1) "" bool(false) string(2) "00"
preferences:
115.76 ms | 402 KiB | 122 Q