3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('first' => 'Erstes'); $array = json_encode($array); $array = json_decode($array); var_dump($array);

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)
8.3.70.0100.00718.18
8.3.60.0110.00718.13
8.3.50.0100.00821.92
8.3.40.0140.00718.41
8.3.30.0000.01418.84
8.3.20.0070.00020.34
8.3.10.0080.00021.63
8.3.00.0000.00719.02
8.2.190.0110.00416.58
8.2.180.0070.00716.38
8.2.170.0130.00722.96
8.2.160.0070.01422.16
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00019.66
8.2.110.0040.00421.04
8.2.100.0110.00017.47
8.2.90.0040.00417.50
8.2.80.0060.00318.55
8.2.70.0090.00017.50
8.2.60.0040.00417.50
8.2.50.0060.00317.79
8.2.40.0080.00017.80
8.2.30.0050.00217.87
8.2.20.0040.00417.48
8.2.10.0040.00417.97
8.2.00.0000.00717.54
8.1.280.0100.00725.92
8.1.270.0120.00418.87
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0040.01219.13
8.1.230.0070.00320.95
8.1.220.0000.00818.56
8.1.210.0030.00618.77
8.1.200.0050.00317.13
8.1.190.0060.00317.23
8.1.180.0080.00018.10
8.1.170.0040.00417.62
8.1.160.0070.00021.84
8.1.150.0000.01018.82
8.1.140.0040.00417.29
8.1.130.0040.00417.82
8.1.120.0030.00317.29
8.1.110.0000.00717.40
8.1.100.0040.00417.33
8.1.90.0040.00417.40
8.1.80.0050.00217.38
8.1.70.0000.00717.33
8.1.60.0060.00317.52
8.1.50.0070.00017.47
8.1.40.0070.00017.50
8.1.30.0040.00817.55
8.1.20.0040.00417.41
8.1.10.0080.00017.46
8.1.00.0080.00017.26
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0040.00418.28
8.0.270.0030.00317.10
8.0.260.0040.00417.19
8.0.250.0030.00316.85
8.0.240.0030.00316.84
8.0.230.0080.00016.87
8.0.220.0030.00316.82
8.0.210.0000.00816.88
8.0.200.0040.00416.88
8.0.190.0040.00416.81
8.0.180.0000.00716.78
8.0.170.0050.00316.92
8.0.160.0000.00716.75
8.0.150.0040.00416.82
8.0.140.0030.00316.76
8.0.130.0030.00313.29
8.0.120.0040.00416.74
8.0.110.0040.00416.75
8.0.100.0030.00516.93
8.0.90.0030.00316.76
8.0.80.0080.00816.74
8.0.70.0070.00016.87
8.0.60.0040.00416.72
8.0.50.0040.00416.65
8.0.30.0180.00716.85
8.0.20.0080.01117.40
8.0.10.0080.00016.79
8.0.00.0060.01216.65
7.4.330.0020.00215.03
7.4.320.0030.00316.51
7.4.300.0030.00316.48
7.4.290.0000.00716.44
7.4.280.0050.00316.54
7.4.270.0030.00316.50
7.4.260.0080.00316.42
7.4.250.0020.00516.54
7.4.240.0000.00716.54
7.4.230.0030.00316.43
7.4.220.0130.00316.49
7.4.210.0070.00716.49
7.4.200.0000.00816.55
7.4.160.0090.00616.33
7.4.150.0060.01917.40
7.4.140.0150.00617.86
7.4.130.0120.00816.37
7.4.120.0090.00816.41
7.4.110.0100.01316.38
7.4.100.0100.01016.45
7.4.90.0070.01016.45
7.4.80.0060.01619.39
7.4.70.0180.00316.44
7.4.60.0060.01016.38
7.4.50.0000.00816.03
7.4.40.0070.01016.17
7.4.30.0090.00916.47
7.4.00.0000.01714.61
7.3.330.0040.00413.00
7.3.320.0000.00512.93
7.3.310.0070.00016.29
7.3.300.0000.00716.11
7.3.290.0040.01116.13
7.3.280.0060.01116.15
7.3.270.0000.02217.40
7.3.260.0030.01316.06
7.3.250.0120.00516.16
7.3.240.0090.01616.17
7.3.230.0150.00616.46
7.3.210.0160.00616.05
7.3.200.0060.01119.39
7.3.190.0060.01016.14
7.3.180.0130.00516.29
7.3.170.0110.01116.27
7.3.160.0100.00616.19
7.2.330.0120.00916.55
7.2.320.0160.00016.27
7.2.310.0130.01016.43
7.2.300.0070.01016.47
7.2.290.0030.01316.59
7.2.110.0130.01316.43
7.2.00.0000.01218.94
7.1.100.0050.00817.86
7.1.70.0000.01017.06
7.1.60.0130.01019.46
7.1.50.0060.00916.97
7.1.00.0030.04722.57
7.0.200.0040.00416.48
7.0.140.0000.06322.08
7.0.90.0170.08319.91
7.0.80.0100.07320.01
7.0.70.0130.06719.91
7.0.60.0100.04720.09
7.0.50.0070.06720.16
7.0.40.0030.06720.14
7.0.30.0100.05020.09
7.0.20.0030.08320.23
7.0.10.0100.06720.14
7.0.00.0100.07020.07
5.6.280.0000.07720.88
5.6.240.0030.07020.57
5.6.230.0200.06720.71
5.6.220.0230.07020.55
5.6.210.0100.07020.56
5.6.200.0100.06321.09
5.6.190.0070.08021.03
5.6.180.0070.07720.96
5.6.170.0030.05021.01
5.6.160.0100.04721.01
5.6.150.0070.04721.13
5.6.140.0000.07021.09
5.6.130.0270.06321.12
5.6.120.0130.07320.95
5.6.110.0130.06721.01
5.6.100.0070.04021.11
5.6.90.0070.08321.11
5.6.80.0070.07720.43
5.6.70.0100.05020.45
5.6.60.0130.07320.31
5.6.50.0000.06320.51
5.6.40.0100.07320.38
5.6.30.0030.07720.31
5.6.20.0130.06720.45
5.6.10.0070.07720.39
5.6.00.0070.06720.35
5.5.380.0070.04720.41
5.5.370.0130.08020.37
5.5.360.0130.04320.32
5.5.350.0000.09020.45
5.5.340.0070.05320.77
5.5.330.0170.04320.75
5.5.320.0000.07020.83
5.5.310.0130.04020.91
5.5.300.0070.08320.82
5.5.290.0130.04020.76
5.5.280.0070.06720.78
5.5.270.0100.08020.88
5.5.260.0070.04320.71
5.5.250.0100.06320.69
5.5.240.0070.07720.25
5.5.230.0030.04020.30
5.5.220.0030.07320.13
5.5.210.0030.07720.29
5.5.200.0030.08720.08
5.5.190.0100.06020.26
5.5.180.0030.05319.98
5.5.160.0100.04320.21
5.5.150.0070.04020.22
5.5.140.0170.06720.23
5.5.130.0030.08720.20
5.5.120.0030.03720.07
5.5.110.0100.07320.23
5.5.100.0030.04020.07
5.5.90.0130.07020.00
5.5.80.0030.08320.03
5.5.70.0030.08720.04
5.5.60.0100.06320.10
5.5.50.0100.08320.13
5.5.40.0030.06019.99
5.5.30.0200.03720.04
5.5.20.0070.05320.12
5.5.10.0070.04020.11
5.5.00.0000.04320.12
5.4.450.0070.08319.28
5.4.440.0130.07719.38
5.4.430.0100.04319.46
5.4.420.0030.07319.35
5.4.410.0000.05019.16
5.4.400.0030.05718.82
5.4.390.0030.04019.23
5.4.380.0100.06719.06
5.4.370.0030.05719.08
5.4.360.0000.08018.90
5.4.350.0100.07019.07
5.4.340.0070.07319.12
5.4.320.0070.05019.11
5.4.310.0130.07019.04
5.4.300.0070.04719.07
5.4.290.0030.04318.80
5.4.280.0000.06019.04
5.4.270.0030.04018.90
5.4.260.0200.05319.07
5.4.250.0130.04318.77
5.4.240.0170.06318.96
5.4.230.0130.04018.78
5.4.220.0000.08319.14
5.4.210.0130.06718.91
5.4.200.0130.07019.11
5.4.190.0000.08719.07
5.4.180.0070.04719.06
5.4.170.0100.03718.97
5.4.160.0100.03719.00
5.4.150.0030.04019.21
5.4.140.0030.03716.26
5.4.130.0100.02316.30
5.4.120.0000.05016.01
5.4.110.0000.05016.23
5.4.100.0070.05316.33
5.4.90.0030.03716.42
5.4.80.0130.02316.36
5.4.70.0030.03316.23
5.4.60.0000.04716.28
5.4.50.0030.03316.30
5.4.40.0070.03316.39
5.4.30.0030.03716.31
5.4.20.0100.05716.30
5.4.10.0070.03316.30
5.4.00.0100.03715.76
5.3.290.0130.07314.67
5.3.280.0070.08014.45
5.3.270.0100.03014.58
5.3.260.0000.04314.46
5.3.250.0070.05314.51
5.3.240.0070.03314.54
5.3.230.0030.03714.51
5.3.220.0000.04014.43
5.3.210.0100.03014.43
5.3.200.0000.05314.43
5.3.190.0070.03314.52
5.3.180.0030.05714.57
5.3.170.0000.04014.54
5.3.160.0000.04014.57
5.3.150.0000.04014.55
5.3.140.0100.03014.53
5.3.130.0030.03714.54
5.3.120.0030.03714.41
5.3.110.0070.03314.40
5.3.100.0000.04014.04
5.3.90.0000.03714.02
5.3.80.0000.04013.93
5.3.70.0000.04313.88
5.3.60.0070.03713.95
5.3.50.0030.03313.93
5.3.40.0070.04713.93
5.3.30.0070.03313.91
5.3.20.0000.03713.65
5.3.10.0000.03713.42
5.3.00.0030.03313.64
5.2.170.0030.03011.16
5.2.160.0000.03010.93
5.2.150.0030.03011.02
5.2.140.0030.02711.05
5.2.130.0070.02710.94
5.2.120.0030.04711.09
5.2.110.0030.02711.04
5.2.100.0030.03011.13
5.2.90.0000.03011.14
5.2.80.0000.03010.94
5.2.70.0030.03010.93
5.2.60.0000.03010.88
5.2.50.0030.02710.82
5.2.40.0030.02311.06
5.2.30.0000.03011.04
5.2.20.0030.02310.96
5.2.10.0000.06010.78
5.2.00.0000.06310.76
5.1.60.0030.02710.04
5.1.50.0070.02310.07
5.1.40.0030.0509.98
5.1.30.0030.05710.36
5.1.20.0000.02710.36
5.1.10.0000.03310.08
5.1.00.0070.05010.10
5.0.50.0030.0478.59
5.0.40.0030.0308.48
5.0.30.0100.0538.22
5.0.20.0030.0378.27
5.0.10.0030.0238.27
5.0.00.0000.0338.23
4.4.90.0030.0137.34
4.4.80.0000.0177.34
4.4.70.0030.0177.34
4.4.60.0000.0207.34
4.4.50.0000.0207.34
4.4.40.0000.0237.34
4.4.30.0000.0337.34
4.4.20.0000.0307.34
4.4.10.0000.0277.34
4.4.00.0030.0407.34
4.3.110.0030.0277.34
4.3.100.0070.0137.34
4.3.90.0030.0207.34
4.3.80.0000.0537.34
4.3.70.0070.0177.34
4.3.60.0000.0137.34
4.3.50.0000.0277.34
4.3.40.0000.0477.34
4.3.30.0000.0277.34
4.3.20.0100.0307.34
4.3.10.0030.0307.34
4.3.00.0000.0377.34

preferences:
49.77 ms | 401 KiB | 5 Q