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<?php $var = '10'; assert(is_int($var)); var_dump($var);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught AssertionError: assert(is_int($var)) in /in/C9JjI:5 Stack trace: #0 /in/C9JjI(5): assert(false, 'assert(is_int($...') #1 {main} thrown in /in/C9JjI on line 5
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: assert(): assert(is_int($var)) failed in /in/C9JjI on line 5 string(2) "10"
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Warning: assert(): Assertion failed in /in/C9JjI on line 5 string(2) "10"

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