3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json = '{"1":1,"b":2,"c":3,"d":4,"e":5}'; var_dump(json_decode($json)); var_dump(json_decode($json, true)); count($json); echo $json[1]; ?>

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)
8.3.60.0040.01116.61
8.3.50.0120.00616.28
8.3.40.0110.00718.84
8.3.30.0110.00718.84
8.3.20.0000.00920.39
8.3.10.0000.00823.41
8.3.00.0080.00022.43
8.2.180.0090.00616.75
8.2.170.0040.01122.96
8.2.160.0100.00322.24
8.2.150.0030.00524.18
8.2.140.0150.00324.66
8.2.130.0000.00826.16
8.2.120.0060.00317.60
8.2.110.0100.00019.24
8.2.100.0030.00917.63
8.2.90.0030.00619.22
8.2.80.0050.00317.97
8.2.70.0030.00517.63
8.2.60.0050.00317.80
8.2.50.0000.00818.07
8.2.40.0000.01019.31
8.2.30.0030.00519.77
8.2.20.0040.00417.66
8.2.10.0000.00718.13
8.2.00.0040.00418.11
8.1.270.0050.00320.43
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00321.97
8.1.230.0000.01217.42
8.1.220.0060.00317.77
8.1.210.0030.00718.77
8.1.200.0090.00017.50
8.1.190.0060.00317.25
8.1.180.0020.00518.10
8.1.170.0030.00518.24
8.1.160.0050.00222.12
8.1.150.0000.00718.88
8.1.140.0040.00417.49
8.1.130.0030.00317.62
8.1.120.0030.00317.34
8.1.110.0070.00017.48
8.1.100.0070.00017.51
8.1.90.0000.00717.43
8.1.80.0040.00417.43
8.1.70.0040.00417.44
8.1.60.0060.00317.49
8.1.50.0000.00817.41
8.1.40.0000.00717.44
8.1.30.0040.00417.60
8.1.20.0000.00817.71
8.1.10.0030.00517.53
8.1.00.0060.00317.39
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.25
8.0.270.0070.00017.18
8.0.260.0070.00017.17
8.0.250.0000.00717.00
8.0.240.0060.00016.86
8.0.230.0030.00316.93
8.0.220.0000.00716.88
8.0.210.0000.00816.93
8.0.200.0070.00016.90
8.0.190.0000.00816.92
8.0.180.0000.00816.92
8.0.170.0040.00417.01
8.0.160.0000.00716.87
8.0.150.0030.00316.91
8.0.140.0050.00316.80
8.0.130.0000.00713.37
8.0.120.0000.00816.93
8.0.110.0040.00416.94
8.0.100.0040.00416.84
8.0.90.0000.00716.86
8.0.80.0040.01116.84
8.0.70.0080.00016.78
8.0.60.0060.00316.82
8.0.50.0000.00717.00
8.0.30.0080.01017.07
8.0.20.0100.01017.40
8.0.10.0050.00316.94
8.0.00.0060.01116.61
7.4.330.0020.00215.21
7.4.320.0030.00316.66
7.4.300.0070.00016.58
7.4.290.0070.00016.46
7.4.280.0070.00016.48
7.4.270.0000.00716.49
7.4.260.0070.00016.49
7.4.250.0040.00416.61
7.4.240.0040.00316.59
7.4.230.0040.00416.61
7.4.220.0090.00616.59
7.4.210.0040.01216.47
7.4.200.0000.00716.48
7.4.160.0070.01016.64
7.4.150.0080.01117.40
7.4.140.0100.01417.86
7.4.130.0160.00416.44
7.4.120.0130.00416.41
7.4.110.0090.00916.62
7.4.100.0090.01516.51
7.4.90.0090.00916.61
7.4.80.0030.01419.39
7.4.70.0170.00716.62
7.4.60.0100.00616.43
7.4.50.0060.00316.53
7.4.40.0040.01416.41
7.4.30.0100.01016.47
7.4.00.0040.01215.11
7.3.330.0040.00413.17
7.3.320.0030.00313.16
7.3.310.0040.00416.48
7.3.300.0060.00016.34
7.3.290.0070.00916.27
7.3.280.0070.01116.33
7.3.270.0090.01217.40
7.3.260.0150.00316.30
7.3.250.0140.00416.35
7.3.240.0090.00916.45
7.3.230.0060.01316.50
7.3.210.0170.00016.59
7.3.200.0060.01116.23
7.3.190.0060.00916.47
7.3.180.0090.00816.59
7.3.170.0120.00416.35
7.3.160.0100.00816.39
7.2.330.0120.00616.46
7.2.320.0230.00016.36
7.2.310.0090.00916.56
7.2.300.0060.01216.59
7.2.290.0060.01216.44
7.2.60.0100.00316.84
7.2.00.0080.00419.39
7.1.200.0000.01215.68
7.1.100.0060.01017.75
7.1.70.0100.00317.09
7.1.60.0070.00719.18
7.1.50.0040.01116.94
7.1.00.0070.07322.43
7.0.200.0140.00416.50
7.0.60.0070.03719.81
7.0.50.0130.08017.90
7.0.40.0030.04320.20
7.0.30.0170.06720.02
7.0.20.0270.06020.20
7.0.10.0170.08020.04
7.0.00.0000.06320.16
5.6.280.0030.05021.11
5.6.210.0200.04320.51
5.6.200.0000.07018.13
5.6.190.0130.07720.61
5.6.180.0300.07720.29
5.6.170.0270.04320.46
5.6.160.0130.07720.50
5.6.150.0170.06018.22
5.6.140.0100.03718.18
5.6.130.0030.04318.08
5.6.120.0030.09020.96
5.6.110.0000.09020.93
5.6.100.0030.04721.12
5.6.90.0070.08320.87
5.6.80.0030.04020.41
5.5.350.4130.03720.42
5.5.340.0070.04018.01
5.5.330.0130.08320.57
5.5.320.0230.04020.13
5.5.310.0230.05020.26
5.5.300.0000.07717.91
5.5.290.0070.08018.02
5.5.280.0030.04020.68
5.5.270.0070.07020.67
5.5.260.0070.07020.71
5.5.250.0130.06720.68
5.5.240.0100.05720.07
5.4.450.3270.04319.15
5.4.440.3030.04019.45
5.4.430.3200.04019.54
5.4.420.2800.04019.39
5.4.410.3130.04019.33
5.4.400.3330.03719.09
5.4.390.3270.03319.09
5.4.380.3300.03719.13
5.4.370.3530.04019.24
5.4.360.3170.04718.93
5.4.350.3030.03719.25
5.4.340.3530.04319.24
5.4.320.3430.05018.89
5.4.310.3100.03719.13
5.4.300.3170.03718.91
5.4.290.3370.03019.21
5.4.280.3130.04019.24
5.4.270.2930.04019.24
5.4.260.3230.04019.08
5.4.250.3270.03718.88
5.4.240.3170.04019.08
5.4.230.3330.03319.05
5.4.220.3230.04319.09
5.4.210.3000.04019.08
5.4.200.3400.04019.05
5.4.190.3130.03319.23
5.4.180.2970.03718.77
5.4.170.3200.03319.21
5.4.160.3100.03319.06
5.4.150.3200.04019.22
5.4.140.3300.03016.16
5.4.130.3400.04316.34
5.4.120.3130.03016.24
5.4.110.3130.03316.23
5.4.100.3000.03316.41
5.4.90.3130.04016.07
5.4.80.2970.03716.19
5.4.70.3200.03716.34
5.4.60.3400.02316.28
5.4.50.2830.03716.32
5.4.40.3300.03716.36
5.4.30.3230.04016.45
5.4.20.3200.03716.35
5.4.10.3270.04016.16
5.4.00.4030.03315.79
5.3.290.3100.03714.52
5.3.280.3230.03714.44
5.3.270.3170.04314.56
5.3.260.3300.03014.48
5.3.250.3200.04014.51
5.3.240.3230.03314.65
5.3.230.3270.03314.54
5.3.220.3470.04714.55
5.3.210.3070.04014.52
5.3.200.3300.04014.41
5.3.190.3270.03314.39
5.3.180.3170.04014.42
5.3.170.3200.03714.41
5.3.160.3330.03314.51
5.3.150.3330.03314.52
5.3.140.3200.04314.64
5.3.130.3170.04314.42
5.3.120.3300.04014.59
5.3.110.3100.03714.49
5.3.100.3170.03314.05
5.3.90.3030.04013.98
5.3.80.3230.03313.86
5.3.70.3230.04013.93
5.3.60.3270.03013.95
5.3.50.3270.04013.90
5.3.40.3030.03313.90
5.3.30.3870.04013.86
5.3.20.3270.03013.54
5.3.10.3270.03713.64
5.3.00.3000.03313.59
5.2.170.2770.03311.09
5.2.160.2730.02711.16
5.2.150.2800.02311.04
5.2.140.2770.03011.19
5.2.130.2470.03011.01
5.2.120.2700.03011.27
5.2.110.2500.02711.01
5.2.100.2800.03311.26
5.2.90.2530.02711.11
5.2.80.2630.02711.25
5.2.70.2500.02710.97
5.2.60.2730.02710.97
5.2.50.2500.03011.18
5.2.40.2230.03010.97
5.2.30.2370.03010.97
5.2.20.2230.02710.97
5.2.10.2100.02010.97
5.2.00.2300.02710.97
5.1.60.2130.02310.97
5.1.50.2270.02310.97
5.1.40.2200.02310.97
5.1.30.2070.02310.97
5.1.20.2200.03010.97
5.1.10.2170.01710.97
5.1.00.2100.02010.97
5.0.50.1270.02710.97
5.0.40.1300.02010.97
5.0.30.1130.04010.97
5.0.20.1230.02710.97
5.0.10.1000.02010.97
5.0.00.1230.02710.97
4.4.90.1200.01710.97
4.4.80.1030.01710.97
4.4.70.1170.02010.97
4.4.60.1170.01710.97
4.4.50.1100.01310.97
4.4.40.1130.03010.97
4.4.30.1000.01710.97
4.4.20.1000.01710.97
4.4.10.1030.01310.97
4.4.00.1100.02710.97
4.3.110.0770.01310.97
4.3.100.1030.01010.97
4.3.90.1000.01710.97
4.3.80.0770.02710.97
4.3.70.1000.01310.97
4.3.60.0970.01710.97
4.3.50.0770.01310.97
4.3.40.0970.02710.97
4.3.30.0470.01710.97
4.3.20.0500.01710.97
4.3.10.0630.01710.97
4.3.00.0500.01710.97

preferences:
64.95 ms | 400 KiB | 5 Q