array(2) {
[0]=>
string(2) "_t"
[1]=>
string(2) "_t"
}
Fatal error: Uncaught TypeError: strtoupper(): Argument #1 ($string) must be of type string, array given in /in/OoH2k:12
Stack trace:
#0 /in/OoH2k(12): strtoupper(Array)
#1 [internal function]: {closure}(Array)
#2 /in/OoH2k(6): preg_replace_callback('/(_[a-z])/', Object(Closure), 'rob_tr')
#3 {main}
thrown in /in/OoH2k on line 12
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
array(2) {
[0]=>
string(2) "_t"
[1]=>
string(2) "_t"
}
Fatal error: Uncaught TypeError: strtoupper(): Argument #1 ($string) must be of type string, array given in /in/OoH2k:12
Stack trace:
#0 /in/OoH2k(12): strtoupper(Array)
#1 [internal function]: {closure}(Array)
#2 /in/OoH2k(15): preg_replace_callback('/(_[a-z])/', Object(Closure), 'rob_tr')
#3 {main}
thrown in /in/OoH2k on line 12
Process exited with code 255.
array(2) {
[0]=>
string(2) "_t"
[1]=>
string(2) "_t"
}
Warning: strtoupper() expects parameter 1 to be string, array given in /in/OoH2k on line 12
robr