Online PHP editor | output for tuM9l

Output for 5.6.25 - 5.6.38, 7.0.10 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: bool(false) array(0) { }
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 7.3.32 - 7.3.33, 7.4.33, 8.0.13: Fatal error: Uncaught Error: Call to undefined function idn_to_ascii() in /in/tuM9l:4 Stack trace: #0 {main} thrown in /in/tuM9l on line 4
Process exited with code 255.
Output for 5.6.0 - 5.6.24, 7.0.0 - 7.0.9: Fatal error: idn_to_ascii(): ICU returned an unexpected length in /in/tuM9l on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38: Fatal error: Call to undefined function idn_to_ascii() in /in/tuM9l on line 4
Process exited with code 255.
Output for 5.1.0: Fatal error: fatal flex scanner internal error--end of buffer missed in /in/tuM9l on line 7
Process exited with code 255.
Output for 4.4.5 - 4.4.9: Fatal error: Call to undefined function: idn_to_ascii() in /in/tuM9l on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4: Fatal error: Call to undefined function: idn_to_ascii() in /in/tuM9l on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Call to undefined function: idn_to_ascii() in /in/tuM9l on line 4