3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( $a = hex2bin("1b204422433222ebbb1b2842"), mb_convert_encoding($a, "UTF-8", "ISO-2022-JP"), mb_strpos($a, "?", 0, "ISO-2022-JP") );
Output for 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
string(12) " D"C2"�(B" string(11) "? D"C2"?ｻ" bool(false)
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29
string(12) " D"C2"�(B" string(11) "? D"C2"?ｻ" int(0)
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30
string(12) " D"C2"�(B" string(11) " D"C2"?ｻ" int(7)
preferences:
98.53 ms | 408 KiB | 5 Q