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<?php declare(strict_types=1); var_dump('1' + '2'); var_dump(bcadd('1', '2')); function onePlusTwoBC(): string { return bcadd('1', '2'); //return '1' + '2'; } var_dump(onePlusTwoBC()); function onePlusTwo(): string { //return bcadd('1', '2'); return '1' + '2'; } var_dump(onePlusTwo());
Output for 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
int(3) string(1) "3" string(1) "3" Fatal error: Uncaught TypeError: onePlusTwo(): Return value must be of type string, int returned in /in/aKqim:19 Stack trace: #0 /in/aKqim(22): onePlusTwo() #1 {main} thrown in /in/aKqim on line 19
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 int(3) string(1) "3" string(1) "3" Fatal error: Uncaught TypeError: onePlusTwo(): Return value must be of type string, int returned in /in/aKqim:19 Stack trace: #0 /in/aKqim(22): onePlusTwo() #1 {main} thrown in /in/aKqim on line 19
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.33, 8.0.13
int(3) Fatal error: Uncaught Error: Call to undefined function bcadd() in /in/aKqim:6 Stack trace: #0 {main} thrown in /in/aKqim on line 6
Process exited with code 255.
Output for 7.3.0 - 7.3.31, 7.4.0 - 7.4.32
int(3) string(1) "3" string(1) "3" Fatal error: Uncaught TypeError: Return value of onePlusTwo() must be of the type string, int returned in /in/aKqim:19 Stack trace: #0 /in/aKqim(22): onePlusTwo() #1 {main} thrown in /in/aKqim on line 19
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
int(3) string(1) "3" string(1) "3" Fatal error: Uncaught TypeError: Return value of onePlusTwo() must be of the type string, integer returned in /in/aKqim:19 Stack trace: #0 /in/aKqim(22): onePlusTwo() #1 {main} thrown in /in/aKqim on line 19
Process exited with code 255.

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