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<?php mb_regex_encoding('SJIS'); $string = "my number is 63735"; $pattern = "63735"; $replacement = mb_convert_encoding(pack('n', "63735"), "SJIS", "ASCII"); var_dump(bin2hex($replacement)); //expected result: my number is �� //OK $new_string = mb_ereg_replace($pattern, $replacement, $string); //expected result: my new number is �� //but it returns NULL. $ret = mb_ereg_replace("number", "new number", $new_string); var_dump($ret); var_dump(mb_convert_encoding($ret, "UTF-8", "SJIS"));
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
string(4) "3f3f" string(19) "my new number is ??" string(19) "my new number is ??"
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
string(6) "3f8180" string(20) "my new number is ?��" string(20) "my new number is ?÷"
preferences:
90.57 ms | 408 KiB | 5 Q