No namespace:
#0 /in/q3qk5(10): foo('No namespace')
In a namespace:
#0 [internal function]: foo('In a namespace')
#1 /in/q3qk5(18): call_user_func('foo', 'In a namespace')
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.
No namespace:
#0 foo(No namespace) called at [/in/q3qk5:10]
In a namespace:
#0 foo(In a namespace)
#1 call_user_func(foo, In a namespace) called at [/in/q3qk5:18]