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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 7.3.32 - 7.3.33, 7.4.33, 8.0.13, 8.5.1 - 8.5.8
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 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0
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 7.3.0 - 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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