3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( json_decode('{"test":["1","2"]}')); var_dump(json_decode('[]'));

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)
8.3.60.0110.00318.18
8.3.50.0070.01122.07
8.3.40.0140.00018.52
8.3.30.0140.00018.88
8.3.20.0000.00720.21
8.3.10.0000.00823.40
8.3.00.0080.00019.13
8.2.180.0090.00916.38
8.2.170.0070.00722.96
8.2.160.0100.00320.47
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0080.00022.10
8.2.110.0060.00319.38
8.2.100.0090.00317.59
8.2.90.0040.00419.05
8.2.80.0090.00017.97
8.2.70.0070.00417.38
8.2.60.0000.00917.93
8.2.50.0000.00818.07
8.2.40.0060.00317.78
8.2.30.0050.00517.90
8.2.20.0000.00717.46
8.2.10.0000.00817.90
8.2.00.0040.00417.41
8.1.280.0110.00425.92
8.1.270.0100.00723.97
8.1.260.0050.00226.35
8.1.250.0080.00028.09
8.1.240.0040.00422.14
8.1.230.0040.00818.88
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0040.00417.23
8.1.190.0000.00817.23
8.1.180.0000.00718.10
8.1.170.0040.00818.46
8.1.160.0080.00021.94
8.1.150.0040.00418.75
8.1.140.0040.00417.35
8.1.130.0000.00717.70
8.1.120.0000.00717.24
8.1.110.0050.00317.23
8.1.100.0000.00717.30
8.1.90.0070.00017.30
8.1.80.0000.00717.21
8.1.70.0000.00717.28
8.1.60.0080.00017.49
8.1.50.0080.00017.34
8.1.40.0030.00517.29
8.1.30.0080.00017.38
8.1.20.0040.00417.49
8.1.10.0040.00417.39
8.1.00.0050.00317.16
8.0.300.0030.00618.77
8.0.290.0090.00016.58
8.0.280.0050.00318.27
8.0.270.0070.00016.99
8.0.260.0080.00017.11
8.0.250.0030.00416.77
8.0.240.0000.00716.73
8.0.230.0030.00316.78
8.0.220.0000.00716.60
8.0.210.0060.00016.74
8.0.200.0000.00916.88
8.0.190.0000.00816.83
8.0.180.0000.00716.81
8.0.170.0040.00416.67
8.0.160.0030.00516.67
8.0.150.0050.00316.71
8.0.140.0040.00416.58
8.0.130.0030.00313.18
8.0.120.0050.00216.61
8.0.110.0070.00016.79
8.0.100.0040.00416.61
8.0.90.0000.00716.77
8.0.80.0000.01916.71
8.0.70.0040.00416.70
8.0.60.0070.00016.55
8.0.50.0070.00016.72
8.0.30.0110.00716.89
8.0.20.0110.00717.40
8.0.10.0000.00716.87
8.0.00.0080.00916.53
7.4.330.0020.00215.00
7.4.320.0000.00716.43
7.4.300.0030.00316.35
7.4.290.0070.00016.48
7.4.280.0000.00916.35
7.4.270.0000.00716.39
7.4.260.0070.00016.45
7.4.250.0040.00416.47
7.4.240.0050.00216.35
7.4.230.0050.00216.46
7.4.220.0130.00616.56
7.4.210.0100.00316.29
7.4.200.0040.00416.50
7.4.160.0040.01216.51
7.4.150.0170.00317.40
7.4.140.0100.01417.86
7.4.130.0080.01016.39
7.4.120.0080.01016.38
7.4.110.0130.00516.20
7.4.100.0140.01116.46
7.4.90.0140.00316.37
7.4.80.0100.00719.39
7.4.70.0030.01416.50
7.4.60.0070.01016.35
7.4.50.0060.00316.13
7.4.40.0000.02116.26
7.4.30.0090.00916.44
7.4.00.0060.01114.74
7.3.330.0060.00012.88
7.3.320.0000.00513.07
7.3.310.0040.00415.99
7.3.300.0030.00315.86
7.3.290.0090.00716.12
7.3.280.0130.00316.14
7.3.270.0110.00817.40
7.3.260.0170.00616.04
7.3.250.0080.00916.29
7.3.240.0160.00816.31
7.3.230.0000.01716.39
7.3.210.0000.01615.98
7.3.200.0160.00619.39
7.3.190.0030.01416.19
7.3.180.0150.00016.42
7.3.170.0030.01316.27
7.3.160.0030.01316.16
7.3.120.0060.01214.66
7.3.110.0080.01014.41
7.3.100.0070.00714.69
7.3.90.0070.00714.43
7.3.80.0050.00814.74
7.3.70.0060.00614.76
7.3.60.0090.00714.71
7.3.50.0080.00514.52
7.3.40.0140.00014.63
7.3.30.0050.01014.60
7.3.20.0080.00316.41
7.3.10.0100.00316.60
7.3.00.0060.00416.42
7.2.330.0090.00916.54
7.2.320.0100.00616.55
7.2.310.0110.01116.53
7.2.300.0080.00816.20
7.2.290.0110.00616.30
7.2.250.0120.00614.67
7.2.240.0070.01415.02
7.2.230.0050.01114.67
7.2.220.0060.00914.70
7.2.210.0070.00714.75
7.2.200.0040.00714.81
7.2.190.0050.00814.77
7.2.180.0080.00814.93
7.2.170.0090.00814.81
7.2.60.0060.01016.50
7.1.330.0070.01015.73
7.1.320.0090.00315.56
7.1.310.0090.00615.70
7.1.300.0060.00615.80
7.1.290.0050.01115.59
7.1.280.0070.00715.63
7.1.270.0070.00515.60
7.1.260.0050.00915.36
7.1.200.0100.00315.73
7.1.70.0000.00816.79
7.1.60.0080.00619.32
7.1.50.0120.00916.75
7.1.00.0000.08022.43
7.0.200.0030.00616.51
7.0.140.0000.07722.07
7.0.60.0030.08720.00
7.0.50.0030.05317.66
7.0.40.0070.05020.12
7.0.30.0230.07320.13
7.0.20.0300.06020.16
7.0.10.0070.08320.19
7.0.00.0030.04320.12
5.6.280.0030.07321.07
5.6.210.0030.08720.46
5.6.200.0030.07018.21
5.6.190.0100.04320.35
5.6.180.0370.04320.67
5.6.170.0370.07720.51
5.6.160.0070.04320.61
5.6.150.0000.05718.12
5.6.140.0030.05718.21
5.6.130.0070.08018.11
5.6.120.0100.05020.92
5.6.110.0030.07721.13
5.6.100.0070.03721.13
5.6.90.0070.08320.99
5.6.80.0030.06720.35
5.5.350.0100.08720.46
5.5.340.0030.05717.91
5.5.330.0000.04720.40
5.5.320.0400.07320.26
5.5.310.0270.04020.23
5.5.300.0030.05317.87
5.5.290.0030.09017.99
5.5.280.0030.06320.84
5.5.270.0030.07020.86
5.5.260.0130.05720.95
5.5.250.0170.07020.73
5.5.240.0270.06720.36
5.4.450.0770.04319.43
5.4.440.0470.05019.23
5.4.430.0530.05019.40
5.4.420.0630.00019.25
5.4.410.0630.00019.05
5.4.400.0700.00019.16
5.4.390.0630.00019.16
5.4.380.0670.00018.96
5.4.370.0630.00019.26
5.4.360.0630.00019.07
5.4.350.0600.00019.26
5.4.340.0090.03111.97
5.4.320.0050.03712.45
5.4.310.0070.03712.45
5.4.300.0110.03212.45
5.4.290.0040.04112.45
5.4.280.0110.03012.35
5.4.270.0080.03312.35
5.4.260.0070.03612.35
5.4.250.0090.04412.34
5.4.240.0060.03512.34
5.4.230.0060.03712.34
5.4.220.0050.03612.34
5.4.210.0090.03212.34
5.4.200.0080.03912.34
5.4.190.0070.03512.33
5.4.180.0080.03312.34
5.4.170.0120.03712.34
5.4.160.0080.03912.34
5.4.150.0070.03912.34
5.4.140.0090.03612.02
5.4.130.0070.03712.01
5.4.120.0060.03511.96
5.4.110.0050.03611.96
5.4.100.0040.03611.96
5.4.90.0020.04711.96
5.4.80.0060.03711.96
5.4.70.0040.04011.96
5.4.60.0030.04111.96
5.4.50.0040.03711.96
5.4.40.0080.04011.95
5.4.30.0060.03511.95
5.4.20.0060.03611.95
5.4.10.0090.03311.95
5.4.00.0070.03511.44
5.3.290.0080.03812.80
5.3.280.0080.03712.71
5.3.270.0040.04012.73
5.3.260.0060.03912.72
5.3.250.0080.03512.72
5.3.240.0130.03812.72
5.3.230.0060.04812.70
5.3.220.0070.03612.68
5.3.210.0050.04012.68
5.3.200.0090.03512.68
5.3.190.0050.04212.68
5.3.180.0060.03812.68
5.3.170.0070.03712.66
5.3.160.0090.03512.67
5.3.150.0050.03812.68
5.3.140.0120.03412.66
5.3.130.0080.03912.66
5.3.120.0070.04112.66
5.3.110.0110.03812.66
5.3.100.0060.03812.12
5.3.90.0050.03812.09
5.3.80.0080.03712.07
5.3.70.0080.03512.08
5.3.60.0060.04512.06
5.3.50.0150.03812.00
5.3.40.0060.03912.00
5.3.30.0050.03611.95
5.3.20.0030.03811.72
5.3.10.0050.04011.69
5.3.00.0040.04011.68
5.2.170.0040.0379.18
5.2.160.0080.0309.18
5.2.150.0030.0379.18
5.2.140.0090.0369.17
5.2.130.0090.0259.14
5.2.120.0050.0299.14
5.2.110.0040.0309.14
5.2.100.0050.0339.14
5.2.90.0070.0279.14
5.2.80.0060.0289.14
5.2.70.0070.0309.13
5.2.60.0050.0329.08
5.2.50.0030.0329.05
5.2.40.0070.0319.03
5.2.30.0060.0289.01
5.2.20.0050.0329.00
5.2.10.0080.0308.92
5.2.00.0040.0308.78
5.1.60.0050.0228.06
5.1.50.0050.0248.06
5.1.40.0060.0238.04
5.1.30.0040.0268.39
5.1.20.0060.0258.41
5.1.10.0090.0218.14
5.1.00.0070.0238.14
5.0.50.0040.0206.62
5.0.40.0030.0226.47
5.0.30.0070.0316.29
5.0.20.0040.0216.26
5.0.10.0040.0226.23
5.0.00.0040.0356.23
4.4.90.0010.0184.78
4.4.80.0050.0134.75
4.4.70.0040.0144.75
4.4.60.0000.0184.76
4.4.50.0030.0154.77
4.4.40.0020.0274.71
4.4.30.0040.0154.76
4.4.20.0030.0154.84
4.4.10.0020.0164.85
4.4.00.0050.0234.76
4.3.110.0040.0174.67
4.3.100.0030.0204.66
4.3.90.0040.0194.63
4.3.80.0050.0224.58
4.3.70.0010.0164.63
4.3.60.0020.0184.63
4.3.50.0030.0204.63
4.3.40.0030.0274.54
4.3.30.0040.0143.28
4.3.20.0000.0183.26
4.3.10.0020.0173.21
4.3.00.0030.01713.71

preferences:
39.75 ms | 401 KiB | 5 Q