3v4l.org

run code in 300+ PHP versions simultaneously
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Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5
string(7) "integer"
Output for 5.6.0 - 5.6.40
Warning: Unsupported declare 'strict_types' in /in/bjaLQ on line 2 Catchable fatal error: Argument 1 passed to foo() must be an instance of string, string given, called in /in/bjaLQ on line 9 and defined in /in/bjaLQ on line 4
Process exited with code 255.
preferences:
162.82 ms | 412 KiB | 5 Q