3v4l.org

run code in 300+ PHP versions simultaneously
<?php function isZenkaku($string){ return $string === mb_convert_kana($string, 'ASKH', 'UTF-8'); } function isHankaku($string){ return strlen($string) === mb_strlen($string, 'UTF-8'); } var_dump(isZenkaku('\''));
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
Fatal error: Uncaught ValueError: mb_convert_kana(): Argument #2 ($mode) must not combine 'H' and 'K' flags in /in/qudUl:4 Stack trace: #0 /in/qudUl(4): mb_convert_kana(''', 'ASKH', 'UTF-8') #1 /in/qudUl(10): isZenkaku(''') #2 {main} thrown in /in/qudUl on line 4
Process exited with code 255.
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33
bool(true)

preferences:
184.96 ms | 412 KiB | 5 Q