3v4l.org

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<?php var_dump( 0xffffffffffffffff ); var_dump( (int) 0xefffffffffffffff ); var_dump(-1152921504606846976);
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
float(1.8446744073709552E+19) int(-1152921504606846976) int(-1152921504606846976)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.1, 5.0.3 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
float(1.844674407371E+19) int(-1152921504606846976) int(-1152921504606846976)
Output for 5.0.2
float(1.844674407371E+19) int(9223372036854775807) int(-1152921504606846976)
preferences:
225.7 ms | 401 KiB | 356 Q