3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_validate("null")); var_dump(json_validate("false")); var_dump(json_validate("true")); var_dump(json_validate("")); var_dump(json_decode("null", JSON_THROW_ON_ERROR)); var_dump(json_decode("false", JSON_THROW_ON_ERROR)); var_dump(json_decode("true", JSON_THROW_ON_ERROR)); var_dump(json_decode("", JSON_THROW_ON_ERROR));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.5.00.0200.00916.16
8.4.150.0310.00919.56
8.4.140.0390.00717.38
8.4.130.0360.00817.31
8.4.120.0370.00917.59
8.4.110.0380.00817.66
8.4.100.0350.00917.68
8.4.90.0330.01117.41
8.4.80.0340.01117.43
8.4.70.0390.00517.65
8.4.60.0370.00717.77
8.4.50.0140.01317.22
8.4.40.0380.01017.13
8.4.30.0400.01017.39
8.4.20.0420.00817.28
8.4.10.0380.00917.44
8.3.280.0260.00418.37
8.3.270.0350.00816.52
8.3.260.0350.00716.53
8.3.250.0370.01316.32
8.3.240.0370.00516.39
8.3.230.0370.00716.52
8.3.220.0350.00816.66
8.3.210.0340.01016.62
8.3.200.0290.00916.16
8.3.190.0330.01116.39
8.3.180.0330.01016.40
8.3.170.0390.00916.37
8.3.160.0380.00816.49
8.3.150.0420.00316.42
8.3.140.0390.00716.35
8.3.130.0330.00716.52
8.3.120.0320.00816.29
8.3.110.0350.00616.53
8.3.100.0380.00816.40
8.3.90.0380.00716.35
8.3.80.0370.01016.23
8.3.70.0440.00716.45
8.3.60.0350.00916.45
8.3.50.0350.01016.38
8.3.40.0390.00817.67
8.3.30.0250.01017.52
8.3.20.0290.00617.61
8.3.10.0300.00517.93
8.3.00.0280.00717.65
8.2.290.0290.00716.63
8.2.280.0360.00716.68
8.2.270.0340.00618.20
8.2.260.0240.01316.57
8.2.250.0290.00816.55
8.2.240.0320.00616.72
8.2.230.0300.00816.48
8.2.220.0330.00616.70
8.2.210.0270.01116.23
8.2.200.0330.00716.54
8.2.190.0330.00716.62
8.2.180.0330.01216.22
8.2.170.0280.01018.07
8.2.160.0310.00617.95
8.2.150.0280.01017.73
8.2.140.0310.00817.75
8.2.130.0300.00617.61
8.2.120.0310.00617.90
8.2.110.0310.00717.73
8.2.100.0300.00617.89
8.2.90.0270.00817.91
8.2.80.0270.00917.77
8.2.70.0290.00617.73
8.2.60.0320.00617.77
8.2.50.0300.00617.90
8.2.40.0250.01017.92
8.2.30.0280.00817.77
8.2.20.0280.00917.75
8.2.10.0360.00817.49
8.2.00.0300.00717.67

preferences:
28.64 ms | 403 KiB | 5 Q