3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode('NULL'));

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)
8.3.70.0040.01117.95
8.3.60.0090.00916.38
8.3.50.0090.00921.94
8.3.40.0110.01517.88
8.3.30.0120.00917.71
8.3.20.0110.00418.74
8.3.10.0140.00120.39
8.3.00.0090.00619.30
8.2.180.0000.01416.38
8.2.170.0110.00920.23
8.2.160.0110.00518.26
8.2.150.0130.00320.72
8.2.140.0090.00521.83
8.2.130.0110.00319.11
8.2.120.0080.00622.79
8.2.110.0120.00719.97
8.2.100.0140.00718.51
8.2.90.0030.01319.01
8.2.80.0080.00918.50
8.2.70.0070.00717.75
8.2.60.0090.00517.92
8.2.50.0060.00818.57
8.2.40.0010.01020.05
8.2.30.0120.00319.20
8.2.20.0080.00818.27
8.2.10.0100.00518.39
8.2.00.0110.00518.39
8.1.280.0140.00025.92
8.1.270.0160.00518.43
8.1.260.0200.00222.42
8.1.250.0160.00422.29
8.1.240.0080.00819.78
8.1.230.0070.00918.22
8.1.220.0130.00218.17
8.1.210.0130.00218.99
8.1.200.0110.00517.94
8.1.190.0100.00517.87
8.1.180.0100.00518.30
8.1.170.0060.01017.86
8.1.160.0110.00319.17
8.1.150.0110.00318.67
8.1.140.0100.00518.78
8.1.130.0080.00618.13
8.1.120.0060.00818.24
8.1.110.0170.00017.45
8.1.100.0100.00817.46
8.1.90.0090.00718.05
8.1.80.0120.00618.20
8.1.70.0100.00518.23
8.1.60.0100.00817.72
8.1.50.0100.00618.18
8.1.40.0110.00717.63
8.1.30.0090.00818.41
8.1.20.0150.00417.76
8.1.10.0140.00218.19
8.1.00.0090.00618.16
8.0.300.0130.00518.24
8.0.290.0080.00817.43
8.0.280.0140.00517.50
8.0.270.0100.00917.07
8.0.260.0160.00317.63
8.0.250.0110.00517.67
8.0.240.0140.00416.99
8.0.230.0090.00617.62
8.0.220.0090.00717.62
8.0.210.0120.00317.61
8.0.200.0110.00517.58
8.0.190.0100.00717.64
8.0.180.0180.00316.96
8.0.170.0120.00417.65
8.0.160.0110.00717.66
8.0.150.0140.00417.43
8.0.140.0140.00217.53
8.0.130.0140.00416.29
8.0.120.0120.00616.89
8.0.110.0120.00416.87
8.0.100.0130.00616.85
8.0.90.0120.00417.64
8.0.80.0110.01016.96
8.0.70.0150.00617.54
8.0.60.0120.00817.49
8.0.50.0130.00717.52
8.0.30.0180.00617.01
8.0.20.0140.00717.30
8.0.10.0130.00716.93
8.0.00.0140.00817.82
7.4.330.0100.00615.29
7.4.320.0140.00616.61
7.4.300.0100.00717.14
7.4.290.0180.00616.59
7.4.280.0190.00816.46
7.4.270.0210.00816.54
7.4.260.0200.00516.61
7.4.250.0180.00616.62
7.4.240.0150.00616.47
7.4.230.0170.00716.52
7.4.220.0180.01116.52
7.4.210.0150.01016.63
7.4.200.0160.00416.63
7.4.190.0180.00616.73
7.4.180.0200.00316.59
7.4.160.0130.01016.64
7.4.150.0140.01016.92
7.4.140.0220.00617.21
7.4.130.0150.01216.49
7.4.120.0140.00716.41
7.4.110.0210.00516.29
7.4.100.0240.00416.64
7.4.90.0170.00816.44
7.4.80.0210.00717.52
7.4.70.0200.01116.50
7.4.60.0240.00816.45
7.4.50.0200.01116.38
7.4.40.0240.00816.48
7.4.30.0200.00716.38
7.4.20.0200.00316.65
7.4.10.0200.00816.26
7.4.00.0170.00716.60
7.3.330.0130.00316.55
7.3.320.0150.00315.21
7.3.310.0130.00616.28
7.3.300.0230.00216.13
7.3.290.0110.00916.24
7.3.280.0110.01016.28
7.3.270.0170.00716.64
7.3.260.0180.00616.22
7.3.250.0210.00316.25
7.3.240.0170.00516.68
7.3.230.0130.01017.05
7.3.220.0180.00616.29
7.3.210.0130.00816.24
7.3.200.0160.00916.38
7.3.190.0170.00716.26
7.3.180.0140.00816.33
7.3.170.0130.01016.89
7.3.160.0160.00816.17
7.3.150.0240.00517.17
7.3.140.0210.00417.23
7.3.130.0230.00417.09
7.3.120.0180.00817.28
7.3.110.0250.00317.12
7.3.100.0220.00316.27
7.3.90.0200.00516.45
7.3.80.0200.00517.16
7.3.70.0220.00516.20
7.3.60.0280.00516.53
7.3.50.0210.00617.39
7.3.40.0220.00416.61
7.3.30.0190.00516.40
7.3.20.0280.00218.19
7.3.10.0220.00218.23
7.3.00.0140.00918.38
7.2.340.0170.00417.36
7.2.330.0150.00917.01
7.2.320.0180.00416.30
7.2.310.0170.00716.45
7.2.300.0170.00616.30
7.2.290.0150.00716.34
7.2.280.0170.00716.37
7.2.270.0200.00516.34
7.2.260.0180.00716.39
7.2.250.0280.00516.36
7.2.240.0230.00316.63
7.2.230.0190.00416.27
7.2.220.0130.01016.33
7.2.210.0210.00516.49
7.2.200.0220.00416.65
7.2.190.0190.01216.60
7.2.180.0240.01016.55
7.2.170.0290.00916.60
7.2.160.0350.01116.63
7.2.150.0380.00518.29
7.2.140.0300.01118.46
7.2.130.0320.00818.44
7.2.120.0320.00518.40
7.2.110.0290.01218.55
7.2.100.0300.00718.54
7.2.90.0260.01318.37
7.2.80.0310.00718.69
7.2.70.0290.00818.60
7.2.60.0200.00817.83
7.2.50.0340.00318.43
7.2.40.0320.00418.64
7.2.30.0270.00318.54
7.2.20.0260.01018.77
7.2.10.0310.00818.52
7.2.00.0190.00818.81
7.1.330.0190.00717.45
7.1.320.0230.01117.49
7.1.310.0320.00717.36
7.1.300.0360.00317.37
7.1.290.0260.00917.51
7.1.280.0200.01017.62
7.1.270.0310.00717.50
7.1.260.0250.01217.39
7.1.250.0250.00917.46
7.1.240.0240.01017.22
7.1.230.0240.00717.68
7.1.220.0240.00717.54
7.1.210.0240.00717.56
7.1.200.0170.00816.84
7.1.190.0300.00217.50
7.1.180.0260.00217.48
7.1.170.0290.00317.44
7.1.160.0210.00517.34
7.1.150.0280.00417.44
7.1.140.0230.00517.58
7.1.130.0230.00817.51
7.1.120.0270.00717.30
7.1.110.0240.00617.48
7.1.100.0200.00717.38
7.1.90.0260.00617.37
7.1.80.0300.00417.38
7.1.70.0170.00617.15
7.1.60.0200.01017.98
7.1.50.0160.00917.30
7.1.40.0200.00417.63
7.1.30.0220.01017.44
7.1.20.0220.00917.54
7.1.10.0200.00917.53
7.1.00.0150.02519.10
7.0.330.0190.00317.20
7.0.320.0180.00317.17
7.0.310.0320.00216.97
7.0.300.0170.00317.15
7.0.290.0160.00517.40
7.0.280.0180.01117.06
7.0.270.0250.00617.16
7.0.260.0250.00517.39
7.0.250.0220.00917.23
7.0.240.0290.00217.35
7.0.230.0240.00817.16
7.0.220.0210.00817.19
7.0.210.0230.00717.20
7.0.200.0140.00917.05
7.0.190.0250.00917.08
7.0.180.0260.00517.24
7.0.170.0220.01017.11
7.0.160.0200.01317.05
7.0.150.0220.01117.08
7.0.140.0250.00816.98
7.0.130.0220.01017.33
7.0.120.0180.01517.17
7.0.110.0210.00917.08
7.0.100.0220.00917.10
7.0.90.0210.00916.93
7.0.80.0250.00616.98
7.0.70.0290.00717.05
7.0.60.0230.02718.08
7.0.50.0170.02417.27
7.0.40.0190.02618.08
7.0.30.0210.01618.04
7.0.20.0250.02218.19
7.0.10.0120.01618.22
7.0.00.0120.02218.17
5.6.400.0180.00415.79
5.6.390.0230.00715.93
5.6.380.0230.00616.10
5.6.370.0290.00815.95
5.6.360.0220.00615.83
5.6.350.0200.00515.78
5.6.340.0220.00416.03
5.6.330.0210.00516.07
5.6.320.0180.01116.00
5.6.310.0230.00315.78
5.6.300.0310.00415.75
5.6.290.0270.00615.95
5.6.280.0170.01717.68
5.6.270.0250.00015.97
5.6.260.0270.00816.00
5.6.250.0310.00416.10
5.6.240.0290.00816.03
5.6.230.0230.01216.10
5.6.220.0300.00716.02
5.6.210.0200.03117.63
5.6.200.0210.02816.73
5.6.190.0190.02017.70
5.6.180.1360.01817.58
5.6.170.0240.02817.55
5.6.160.0190.03317.49
5.6.150.0160.02816.77
5.6.140.0140.01716.78
5.6.130.0130.03316.80
5.6.120.0170.03317.80
5.6.110.0160.03717.62
5.6.100.0220.02317.43
5.6.90.0210.02417.57
5.6.80.0170.01717.53
5.6.70.0250.00516.19
5.6.60.0270.00416.16
5.6.50.0230.01015.96
5.6.40.0260.00316.06
5.6.30.0200.00915.88
5.6.20.0200.00616.03
5.6.10.0210.00415.82
5.6.00.0160.00616.00
5.5.380.0190.01316.05
5.5.370.0230.00516.12
5.5.360.0250.00815.61
5.5.350.0190.03417.43
5.5.340.0210.01616.59
5.5.330.0190.02117.20
5.5.320.0340.03217.40
5.5.310.0200.03517.30
5.5.300.0190.03216.51
5.5.290.0160.02916.64
5.5.280.0200.02017.63
5.5.270.0140.01817.45
5.5.260.0220.02817.57
5.5.250.0140.02817.43
5.5.240.0200.02917.43
5.5.230.0170.00715.92
5.5.220.0180.00315.95
5.5.210.0220.00115.84
5.5.200.0130.01015.62
5.5.190.0130.00715.81
5.5.180.0160.00515.76
5.5.170.0200.00415.70
5.5.160.0190.00515.84
5.5.150.0130.00615.64
5.5.140.0140.00415.83
5.5.130.0190.00515.64
5.5.120.0200.00315.68
5.5.110.0160.00815.68
5.5.100.0150.00615.94
5.5.90.0160.00715.81
5.5.80.0130.00715.79
5.5.70.0160.00515.89
5.5.60.0250.00316.11
5.5.50.0200.00515.89
5.5.40.0220.00515.77
5.5.30.0200.00415.96
5.5.20.0140.00715.89
5.5.10.0190.00215.89
5.5.00.0210.00216.03

preferences:
60.48 ms | 401 KiB | 5 Q