Online PHP editor | output for 5fiCT

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5: string(2) "pr" string(2) "mr" string(3) "imd" Fatal error: Uncaught ValueError: Option "a" is not supported in /in/5fiCT:6 Stack trace: #0 /in/5fiCT(6): mb_regex_set_options('a') #1 {main} thrown in /in/5fiCT on line 6
Process exited with code 255.
Output for 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: string(2) "mr" string(3) "imd" string(2) "mr" string(1) "r"
Output for 4.3.4 - 4.3.11, 4.4.0 - 4.4.9: string(1) "p" string(1) "m" string(2) "im" string(1) "m"
Output for 4.3.2 - 4.3.3: Fatal error: Call to undefined function: mb_regex_set_options() in /in/5fiCT on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Call to undefined function: mb_regex_set_options() in /in/5fiCT on line 3