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<?php function sum(array $ints): int { array_walk($ints, function(int $int) {}); $a = 0; foreach ($ints as $int) { $a += $int; } return $a; } var_dump(sum([1, 2, 3])); var_dump(sum([1, 2, "three"]));
Output for 8.4.1 - 8.4.14, 8.4.16 - 8.4.17, 8.5.0 - 8.5.2
int(6) Fatal error: Uncaught TypeError: {closure:sum():5}(): Argument #1 ($int) must be of type int, string given in /in/TRTF9:5 Stack trace: #0 [internal function]: {closure:sum():5}('three', 2) #1 /in/TRTF9(5): array_walk(Array, Object(Closure)) #2 /in/TRTF9(14): sum(Array) #3 {main} thrown in /in/TRTF9 on line 5
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 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30
int(6) Fatal error: Uncaught TypeError: {closure}(): Argument #1 ($int) must be of type int, string given in /in/TRTF9:5 Stack trace: #0 [internal function]: {closure}('three', 2) #1 /in/TRTF9(5): array_walk(Array, Object(Closure)) #2 /in/TRTF9(14): sum(Array) #3 {main} thrown in /in/TRTF9 on line 5
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
int(6) Fatal error: Uncaught TypeError: Argument 1 passed to {closure}() must be of the type int, string given in /in/TRTF9:5 Stack trace: #0 [internal function]: {closure}('three', 2) #1 /in/TRTF9(5): array_walk(Array, Object(Closure)) #2 /in/TRTF9(14): sum(Array) #3 {main} thrown in /in/TRTF9 on line 5
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34
int(6) Fatal error: Uncaught TypeError: Argument 1 passed to {closure}() must be of the type integer, string given in /in/TRTF9:5 Stack trace: #0 [internal function]: {closure}('three', 2) #1 /in/TRTF9(5): array_walk(Array, Object(Closure)) #2 /in/TRTF9(14): sum(Array) #3 {main} thrown in /in/TRTF9 on line 5
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Parse error: syntax error, unexpected ':', expecting '{' in /in/TRTF9 on line 3
Process exited with code 255.
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