3v4l.org

run code in 300+ PHP versions simultaneously
<?php json_decode("", true, 512, 0); var_dump(json_last_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)
8.3.60.0090.00918.18
8.3.50.0130.00621.91
8.3.40.0070.01018.87
8.3.30.0150.00718.46
8.3.20.0040.00420.21
8.3.10.0090.00020.23
8.3.00.0050.00323.74
8.2.180.0110.01118.04
8.2.170.0100.01022.96
8.2.160.0120.00322.08
8.2.150.0050.00324.18
8.2.140.0000.00724.66
8.2.130.0050.00319.27
8.2.120.0000.00826.35
8.2.110.0060.00322.14
8.2.100.0120.00017.68
8.2.90.0030.00619.00
8.2.80.0040.00417.97
8.2.70.0030.00617.38
8.2.60.0040.00417.80
8.2.50.0040.00418.09
8.2.40.0080.00418.59
8.2.30.0030.00619.36
8.2.20.0040.00417.40
8.2.10.0040.00417.84
8.2.00.0000.00717.90
8.1.280.0070.01025.92
8.1.270.0120.00621.99
8.1.260.0050.00328.09
8.1.250.0040.00428.09
8.1.240.0030.00620.70
8.1.230.0070.00417.83
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0060.00317.10
8.1.190.0050.00317.10
8.1.180.0080.00018.10
8.1.170.0040.00418.66
8.1.160.0040.00420.63
8.1.150.0050.00218.66
8.1.140.0080.00019.45
8.1.130.0040.00717.55
8.1.120.0000.00717.37
8.1.110.0070.00017.23
8.1.100.0040.00417.34
8.1.90.0050.00317.31
8.1.80.0080.00017.31
8.1.70.0070.00017.20
8.1.60.0040.00417.46
8.1.50.0040.00417.38
8.1.40.0060.00317.36
8.1.30.0040.00417.58
8.1.20.0060.00317.39
8.1.10.0040.00417.41
8.1.00.0040.00417.24
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0070.00018.30
8.0.270.0040.00417.07
8.0.260.0020.00517.11
8.0.250.0030.00316.76
8.0.240.0030.00316.89
8.0.230.0040.00416.72
8.0.220.0030.00316.72
8.0.210.0050.00316.79
8.0.200.0000.00616.82
8.0.190.0000.00716.77
8.0.180.0070.00016.75
8.0.170.0080.00016.71
8.0.160.0040.00416.84
8.0.150.0000.00716.75
8.0.140.0000.00816.69
8.0.130.0030.00313.14
8.0.120.0050.00216.68
8.0.110.0050.00316.77
8.0.100.0050.00316.60
8.0.90.0000.00716.63
8.0.80.0030.01016.75
8.0.70.0030.00316.59
8.0.60.0070.00016.62
8.0.50.0020.00516.82
8.0.30.0090.00716.93
8.0.20.0140.01117.40
8.0.10.0050.00216.83
8.0.00.0060.01216.59
7.4.330.0000.00516.67
7.4.320.0030.00616.45
7.4.300.0000.00716.25
7.4.290.0030.00316.34
7.4.280.0000.00716.36
7.4.270.0000.00716.38
7.4.260.0070.00016.43
7.4.250.0040.00416.32
7.4.240.0000.00816.22
7.4.230.0040.00416.56
7.4.220.0060.01216.55
7.4.210.0150.00616.45
7.4.200.0070.00016.11
7.4.160.0080.00816.06
7.4.150.0080.01617.40
7.4.140.0100.01117.86
7.4.130.0090.01216.36
7.4.120.0080.01216.30
7.4.110.0060.01016.16
7.4.100.0110.00616.30
7.4.90.0130.00616.33
7.4.80.0120.01119.39
7.4.70.0090.00916.56
7.4.60.0110.00816.34
7.4.50.0030.01216.37
7.4.40.0130.00616.29
7.4.30.0220.00016.22
7.4.00.0080.00815.06
7.3.330.0020.00213.11
7.3.320.0030.00313.03
7.3.310.0070.00016.21
7.3.300.0060.00016.17
7.3.290.0090.00816.11
7.3.280.0080.00816.14
7.3.270.0030.01317.40
7.3.260.0060.01216.29
7.3.250.0100.01016.36
7.3.240.0080.00916.23
7.3.230.0110.00616.39
7.3.210.0080.00816.44
7.3.200.0060.00916.41
7.3.190.0030.01316.42
7.3.180.0060.01216.02
7.3.170.0130.00316.40
7.3.160.0060.00916.34
7.3.110.0030.01014.71
7.3.100.0090.00314.55
7.3.90.0080.00414.73
7.3.80.0070.00714.46
7.3.70.0080.00414.41
7.3.60.0060.00614.32
7.3.50.0070.00714.52
7.3.40.0000.01214.33
7.3.30.0060.00614.61
7.3.20.0080.00614.66
7.3.10.0040.00915.60
7.3.00.0080.00315.60
7.2.330.0130.01016.48
7.2.320.0040.01416.48
7.2.310.0130.00316.57
7.2.300.0030.01316.36
7.2.290.0090.00616.31
7.2.240.0080.00514.91
7.2.230.0080.00414.83
7.2.220.0000.01414.83
7.2.210.0030.01014.81
7.2.200.0030.01014.80
7.2.190.0110.00314.86
7.2.180.0030.01214.56
7.2.170.0070.00714.93
7.2.160.0070.00714.63
7.2.150.0060.00914.47
7.2.140.0040.01014.87
7.2.130.0040.00915.79
7.2.120.0030.01015.75
7.2.110.0060.00715.63
7.2.100.0060.00915.95
7.2.90.0050.01215.88
7.2.80.0140.00515.72
7.2.70.0090.00515.72
7.2.60.0050.00716.02
7.2.50.0050.00715.83
7.2.40.0100.00315.64
7.2.30.0040.00715.72
7.2.20.0110.00215.78
7.2.10.0070.00515.78
7.2.00.0080.00915.78
7.1.330.0070.00713.83
7.1.320.0030.01013.86
7.1.310.0060.00913.82
7.1.300.0030.00913.57
7.1.290.0080.00413.88
7.1.280.0090.00513.69
7.1.270.0130.00013.83
7.1.260.0110.00313.83
7.1.250.0030.00914.74
7.1.240.0000.01513.72
7.1.230.0030.01213.62
7.1.220.0070.01113.69
7.1.210.0070.00813.45
7.1.200.0070.01014.82
7.1.190.0040.01113.63
7.1.180.0070.01013.46
7.1.170.0100.01013.73
7.1.160.0040.01113.55
7.1.150.0100.00313.68
7.1.140.0040.01213.59
7.1.130.0080.01213.58
7.1.120.0050.01013.47
7.1.110.0050.01013.60
7.1.100.0100.00715.67
7.1.90.0110.00713.93
7.1.80.0080.00813.82
7.1.70.0060.00615.35
7.1.60.0060.00715.48
7.1.50.0110.00315.11
7.1.40.0070.00815.13
7.1.30.0040.01015.08
7.1.20.0040.00915.23
7.1.10.0070.00515.19
7.1.00.0070.00515.02
7.0.330.0090.00513.19
7.0.320.0180.00013.41
7.0.310.0160.00013.09
7.0.300.0130.00613.27
7.0.290.0060.00813.51
7.0.280.0110.00313.38
7.0.270.0110.00813.13
7.0.260.0040.01113.41
7.0.250.0060.00913.23
7.0.240.0100.00413.53
7.0.230.0030.01013.26
7.0.220.0080.00913.32
7.0.210.0070.00713.35
7.0.200.0080.00514.91
7.0.190.0040.00714.69
7.0.180.0050.00614.71
7.0.170.0090.00214.73
7.0.160.0040.00614.70
7.0.150.0060.00614.87
7.0.140.0070.00614.75
7.0.130.0050.00714.96
7.0.120.0070.00714.62
7.0.110.0070.00614.90
7.0.100.0060.00814.81
7.0.90.0000.01314.66
7.0.80.0080.00414.86
7.0.70.0020.00814.69
7.0.60.0050.00614.71
7.0.50.0050.00514.96
7.0.40.0040.00814.26
7.0.30.0030.01014.27
7.0.20.0040.00814.26
7.0.10.0050.00814.40
7.0.00.0040.00814.18
5.6.400.0130.00314.28
5.6.390.0100.00513.88
5.6.380.0060.00913.61
5.6.370.0160.00013.79
5.6.360.0120.00913.86
5.6.350.0080.00813.95
5.6.340.0030.01313.88
5.6.330.0080.01213.95
5.6.320.0120.00213.80
5.6.310.0090.00613.84
5.6.300.0070.02417.23
5.6.290.0060.04217.34
5.6.280.0060.03217.29
5.6.270.0070.02317.42
5.6.260.0100.02217.36
5.6.250.0080.02517.52
5.6.240.0000.03317.35
5.6.230.0130.02317.22
5.6.220.0020.03017.46
5.6.210.0080.02217.51
5.6.200.0100.02417.52
5.6.190.0090.03017.27
5.6.180.0050.02517.51
5.6.170.0030.02717.23
5.6.160.0040.02717.38
5.6.150.0070.03717.25
5.6.140.0080.02517.30
5.6.130.0100.02517.53
5.6.120.0080.02417.54
5.6.110.0050.02417.52
5.6.100.0040.02517.34
5.6.90.0060.02417.37
5.6.80.0030.02417.14
5.6.70.0030.02816.95
5.6.60.0050.02517.10
5.6.50.0030.02517.09
5.6.40.0070.02117.06
5.6.30.0050.02416.98
5.6.20.0090.02217.08
5.6.10.0000.02816.99
5.6.00.0030.02917.14
5.5.380.0070.03515.68
5.5.370.0080.02615.44
5.5.360.0050.02315.73
5.5.350.0080.02215.81
5.5.340.0020.02815.82
5.5.330.0060.02515.80
5.5.320.0090.02515.86
5.5.310.0060.02515.80
5.5.300.0060.02615.78
5.5.290.0030.02915.97
5.5.280.0170.02015.73
5.5.270.0050.02515.64
5.5.260.0070.02115.89
5.5.250.0050.02315.86
5.5.240.0090.01715.36
5.5.230.0040.02615.42
5.5.220.0040.04515.68
5.5.210.0050.03115.49
5.5.200.0000.02815.32
5.5.190.0040.02515.39
5.5.180.0050.02615.46
5.5.170.0170.00013.60
5.5.160.0020.02515.33
5.5.150.0070.02115.57
5.5.140.0030.02315.43
5.5.130.0150.02515.59
5.5.120.0060.02715.31
5.5.110.0060.02415.65
5.5.100.0050.02515.38
5.5.90.0090.02315.51
5.5.80.0070.02415.49
5.5.70.0080.02415.39
5.5.60.0100.02215.42
5.5.50.0090.02415.49
5.5.40.0070.02315.67
5.5.30.0070.02515.49
5.5.20.0060.02815.51
5.5.10.0110.02515.63
5.5.00.0050.02915.45
5.4.450.0020.02715.63
5.4.440.0100.01815.67
5.4.430.0040.02515.66
5.4.420.0080.03915.61
5.4.410.0040.02515.47
5.4.400.0080.02315.43
5.4.390.0070.02415.40
5.4.380.0050.03315.46
5.4.370.0070.02115.37
5.4.360.0030.02415.33
5.4.350.0060.02015.45
5.4.340.0060.02215.47
5.4.330.0090.00511.84
5.4.320.0070.02115.43
5.4.310.0080.02215.33
5.4.300.0040.02415.37
5.4.290.0040.02315.49
5.4.280.0070.02215.46
5.4.270.0140.02415.33
5.4.260.0050.02215.44
5.4.250.0100.02015.45
5.4.240.0070.02315.33
5.4.230.0070.02115.45
5.4.220.0060.02315.45
5.4.210.0070.02315.48
5.4.200.0110.02015.42
5.4.190.0050.02415.40
5.4.180.0090.02215.48
5.4.170.0070.02315.38
5.4.160.0090.02115.43
5.4.150.0060.02415.41
5.4.140.0180.02414.16
5.4.130.0080.02214.10
5.4.120.0060.02114.26
5.4.110.0110.02114.25
5.4.100.0050.02414.26
5.4.90.0130.01714.09
5.4.80.0060.02214.17
5.4.70.0100.01814.09
5.4.60.0090.02414.14
5.4.50.0080.02014.21
5.4.40.0090.02614.18
5.4.30.0050.02514.19
5.4.20.0060.03114.08
5.4.10.0140.02214.07
5.4.00.0030.02713.94
5.3.290.0060.02213.53
5.3.280.0060.02413.53
5.3.270.0120.02013.53
5.3.260.0070.02413.53
5.3.250.0100.01813.53
5.3.240.0060.02413.53
5.3.230.0100.01813.53
5.3.220.0040.03113.53
5.3.210.0060.02513.53
5.3.200.0070.02213.53
5.3.190.0090.01813.53
5.3.180.0050.02413.53
5.3.170.0080.02313.53
5.3.160.0040.02313.53
5.3.150.0160.02013.53
5.3.140.0080.02013.53
5.3.130.0080.02313.53
5.3.120.0070.01913.53
5.3.110.0080.02213.53
5.3.100.0090.01913.53
5.3.90.0100.01713.53
5.3.80.0060.02213.53
5.3.70.0100.01913.53
5.3.60.0090.02113.53
5.3.50.0090.01913.53
5.3.40.0080.02113.53
5.3.30.0100.01913.53
5.3.20.0060.02113.53
5.3.10.0050.02113.53
5.3.00.0170.01613.53
5.2.170.0050.01913.53
5.2.160.0070.01613.53
5.2.150.0040.02013.53
5.2.140.0070.01613.53
5.2.130.0050.01913.53
5.2.120.0050.01813.53
5.2.110.0040.01813.53
5.2.100.0050.01813.53
5.2.90.0080.01513.53
5.2.80.0050.01913.53
5.2.70.0050.01913.53
5.2.60.0060.01613.53
5.2.50.0050.01713.53
5.2.40.0050.01913.53
5.2.30.0100.01813.53
5.2.20.0120.01313.53
5.2.10.0060.01613.53
5.2.00.0070.01313.53
5.1.60.0050.01313.53
5.1.50.0030.01613.53
5.1.40.0060.01413.53
5.1.30.0060.01413.53
5.1.20.0070.01413.53
5.1.10.0100.01613.53
5.1.00.0060.01513.53
5.0.50.0070.01113.53
5.0.40.0050.00913.53
5.0.30.0030.01713.53
5.0.20.0040.01313.53
5.0.10.0030.01213.53
5.0.00.0040.01713.53
4.4.90.0030.01013.53
4.4.80.0000.01413.53
4.4.70.0090.00713.53
4.4.60.0000.01213.53
4.4.50.0040.00913.53
4.4.40.0020.01513.53
4.4.30.0040.00913.53
4.4.20.0050.01013.53
4.4.10.0030.00813.53
4.4.00.0120.00713.53
4.3.110.0000.02713.53
4.3.100.0020.01713.53
4.3.90.0080.00813.53
4.3.80.0050.02413.53
4.3.70.0040.01313.53
4.3.60.0040.01113.53
4.3.50.0020.01213.53
4.3.40.0030.01413.53
4.3.30.0020.00913.53
4.3.20.0020.01313.53
4.3.10.0040.01313.53
4.3.00.0020.01113.53

preferences:
33.86 ms | 401 KiB | 5 Q