3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ["0" => "a", "1" => "b", "2" => "c"]; $encode = json_encode($array); var_dump(json_decode($encode, TRUE), json_decode($encode, FALSE));

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)
8.3.60.0180.00018.43
8.3.50.0160.00221.98
8.3.40.0100.01018.84
8.3.30.0090.00619.01
8.3.20.0110.00720.29
8.3.10.0070.00021.92
8.3.00.0120.00622.46
8.2.180.0140.00716.50
8.2.170.0070.01322.96
8.2.160.0040.01121.00
8.2.150.0030.00624.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0070.00320.33
8.2.110.0070.00321.03
8.2.100.0060.00617.85
8.2.90.0050.00318.03
8.2.80.0030.00617.97
8.2.70.0030.00617.38
8.2.60.0080.00017.93
8.2.50.0090.00018.07
8.2.40.0000.00718.16
8.2.30.0020.00517.95
8.2.20.0000.00717.65
8.2.10.0040.00417.77
8.2.00.0060.00317.66
8.1.280.0100.00725.92
8.1.270.0140.00022.05
8.1.260.0040.00426.35
8.1.250.0120.00028.09
8.1.240.0090.00022.14
8.1.230.0040.00720.91
8.1.220.0000.00917.74
8.1.210.0030.00718.77
8.1.200.0040.00417.00
8.1.190.0050.00517.10
8.1.180.0040.00418.10
8.1.170.0030.00518.46
8.1.160.0070.00021.82
8.1.150.0000.00718.62
8.1.140.0000.00717.38
8.1.130.0000.00717.73
8.1.120.0040.00417.32
8.1.110.0040.00417.31
8.1.100.0000.00717.40
8.1.90.0040.00417.34
8.1.80.0000.00717.28
8.1.70.0030.00317.37
8.1.60.0040.00417.48
8.1.50.0030.00517.35
8.1.40.0040.00417.37
8.1.30.0000.00817.48
8.1.20.0040.00417.65
8.1.10.0000.00817.43
8.1.00.0000.00817.21
8.0.300.0050.00520.10
8.0.290.0000.00716.63
8.0.280.0000.00818.38
8.0.270.0030.00317.24
8.0.260.0030.00316.76
8.0.250.0030.00316.90
8.0.240.0040.00416.88
8.0.230.0030.00316.89
8.0.220.0050.00316.83
8.0.210.0070.00016.71
8.0.200.0000.00716.89
8.0.190.0040.00416.75
8.0.180.0000.00716.87
8.0.170.0050.00216.86
8.0.160.0050.00316.75
8.0.150.0000.00716.73
8.0.140.0040.00416.83
8.0.130.0000.00613.32
8.0.120.0040.00416.69
8.0.110.0040.00416.79
8.0.100.0040.00416.64
8.0.90.0040.00416.94
8.0.80.0120.00316.81
8.0.70.0040.00416.78
8.0.60.0000.00816.86
8.0.50.0050.00216.77
8.0.30.0090.00917.01
8.0.20.0130.00517.40
8.0.10.0040.00416.99
8.0.00.0080.00916.52
7.4.330.0000.00515.14
7.4.320.0070.00016.39
7.4.300.0030.00316.50
7.4.290.0000.01116.38
7.4.280.0000.00716.33
7.4.270.0030.00316.46
7.4.260.0000.00716.44
7.4.250.0000.00716.52
7.4.240.0000.00716.45
7.4.230.0030.00316.34
7.4.220.0070.01716.45
7.4.210.0080.00616.51
7.4.200.0030.00416.54
7.4.190.0000.00816.49
7.4.160.0110.01116.46
7.4.150.0120.00617.40
7.4.140.0110.01017.86
7.4.130.0050.01316.41
7.4.120.0110.00716.44
7.4.110.0130.00616.49
7.4.100.0100.00716.45
7.4.90.0130.00716.41
7.4.80.0100.01319.39
7.4.70.0000.01616.39
7.4.60.0100.00616.37
7.4.50.0040.00416.42
7.4.40.0060.00622.77
7.4.30.0090.00816.46
7.4.00.0060.01014.86
7.3.330.0000.00613.06
7.3.320.0030.00313.03
7.3.310.0030.00316.07
7.3.300.0000.00716.04
7.3.290.0070.01016.07
7.3.280.0070.01016.13
7.3.270.0150.00417.40
7.3.260.0040.01216.13
7.3.250.0130.00616.22
7.3.240.0070.01016.31
7.3.230.0030.01416.39
7.3.210.0090.00916.32
7.3.200.0140.00719.39
7.3.190.0090.00916.27
7.3.180.0060.01016.20
7.3.170.0080.00816.27
7.3.160.0070.00716.15
7.3.120.0060.01014.85
7.2.330.0070.01016.58
7.2.320.0140.01016.58
7.2.310.0060.00916.54
7.2.300.0090.00916.59
7.2.290.0040.01216.57
7.1.100.0600.00716.03
7.1.70.0040.00417.06
7.1.60.0120.00217.16
7.1.50.0090.00916.76
7.1.40.0000.01116.26
7.1.30.0000.01816.52
7.1.20.0090.00916.68
7.1.10.0040.01116.70
7.1.00.0000.00716.61
7.0.200.0090.00416.80
7.0.190.0080.00816.50
7.0.180.0060.00616.05
7.0.170.0060.00616.17
7.0.160.0090.00416.27
7.0.150.0040.01416.22
7.0.140.0040.00416.30
7.0.130.0000.00816.73
7.0.120.0040.00416.43
7.0.110.0040.00416.53
7.0.100.0000.00716.23
7.0.90.0050.00516.53
7.0.80.0050.00316.29
7.0.70.0000.01516.18
7.0.60.0030.01016.02
7.0.50.0000.00716.61
7.0.40.0000.01315.18
7.0.30.0060.00915.18
7.0.20.0030.00615.18
7.0.10.0060.00315.18
7.0.00.0000.00915.18
5.6.300.0100.08220.86
5.6.290.0070.04620.56
5.6.280.0000.04621.06
5.6.270.0030.06821.06
5.6.260.0100.03921.06
5.6.250.0030.04120.86
5.6.240.0060.05420.88
5.6.230.0030.05820.91
5.6.220.0030.06320.78
5.6.210.0000.07020.97
5.6.200.0000.07220.99
5.6.190.0070.05321.00
5.6.180.0070.08320.73
5.6.170.0030.06620.73
5.6.160.0000.04820.82
5.6.150.0100.04320.98
5.6.140.0000.05521.02
5.6.130.0030.08020.73
5.6.120.0030.04821.02
5.6.110.0070.06120.82
5.6.100.0000.05120.80
5.6.90.0100.03920.90
5.6.80.0060.03620.31
5.6.70.0060.05120.39
5.6.60.0000.04520.19
5.6.50.0000.07120.21
5.6.40.0000.04420.13
5.6.30.0070.05620.18
5.6.20.0030.03920.33
5.6.10.0000.04520.21
5.6.00.0070.03820.29
5.5.380.0070.03717.46
5.5.370.0000.04217.43
5.5.360.0100.03617.45
5.5.350.0070.03617.49
5.5.340.0130.03217.70
5.5.330.0070.05617.91
5.5.320.0000.09118.00
5.5.310.0000.04418.00
5.5.300.0070.06618.11
5.5.290.0030.04618.05
5.5.280.0030.04117.99
5.5.270.0100.05918.02
5.5.260.0100.06717.85
5.5.250.0070.07117.84
5.5.240.0070.03717.41
5.5.230.0000.04117.34
5.5.220.0030.04017.21
5.5.210.0030.04317.34
5.5.200.0030.04117.06
5.5.190.0070.03617.38
5.5.180.0030.04217.05
5.5.160.0030.03817.42
5.5.150.0030.03717.38
5.5.140.0070.04017.37
5.5.130.0000.04117.34
5.5.120.0030.06217.37
5.5.110.0000.04217.36
5.5.100.0130.04417.20
5.5.90.0000.05117.24
5.5.80.0000.03917.23
5.5.70.0000.05117.21
5.5.60.0070.05817.21
5.5.50.0030.04417.20
5.5.40.0100.05117.24
5.5.30.0100.07116.98
5.5.20.0030.04717.30
5.5.10.0060.03817.17
5.5.00.0100.04917.25
5.4.450.0070.07519.40
5.4.440.0030.03919.21
5.4.430.0070.04019.46
5.4.420.0100.06219.49
5.4.410.0070.04619.18
5.4.400.0070.06318.84
5.4.390.0030.04218.98
5.4.380.0000.05419.02
5.4.370.0070.03618.98
5.4.360.0030.08618.83
5.4.350.0070.04419.14
5.4.340.0070.06719.07
5.4.320.0030.03819.07
5.4.310.0000.04119.02
5.4.300.0170.03419.00
5.4.290.0070.03318.98
5.4.280.0060.04819.02
5.4.270.0000.05119.02
5.4.260.0030.07919.11
5.4.250.0000.05419.14
5.4.240.0110.03619.00
5.4.230.0000.04018.98
5.4.220.0030.06318.97
5.4.210.0060.04819.07
5.4.200.0100.07318.91
5.4.190.0030.08719.01
5.4.180.0030.04118.83
5.4.170.0030.03718.84
5.4.160.0030.04119.05
5.4.150.0030.03919.04
5.4.140.0060.05816.56
5.4.130.0030.03416.63
5.4.120.0000.06616.54
5.4.110.0100.08116.57
5.4.100.0070.06216.52
5.4.90.0130.06516.66
5.4.80.0060.05216.55
5.4.70.0000.03916.56
5.4.60.0000.04616.38
5.4.50.0000.07516.59
5.4.40.0000.05016.53
5.4.30.0000.03716.39
5.4.20.0000.03816.38
5.4.10.0100.06716.45
5.4.00.0000.07615.97
5.3.290.0000.04015.18
5.3.280.0070.04315.18
5.3.270.0000.04415.18
5.3.260.0070.03615.18
5.3.250.0000.03915.18
5.3.240.0100.06515.18
5.3.230.0000.05215.18
5.3.220.0000.08415.18
5.3.210.0030.07615.18
5.3.200.0070.03415.18
5.3.190.0030.07815.18
5.3.180.0040.03915.18
5.3.170.0000.07815.18
5.3.160.0000.04115.18
5.3.150.0000.04315.18
5.3.140.0060.03615.18
5.3.130.0030.06215.18
5.3.120.0030.03715.18
5.3.110.0070.03215.18
5.3.100.0030.07615.18
5.3.90.0100.06615.18
5.3.80.0000.05715.18
5.3.70.0030.05015.18
5.3.60.0030.03815.18
5.3.50.0030.05115.18
5.3.40.0000.07115.18
5.3.30.0070.03415.18
5.3.20.0000.04315.18
5.3.10.0070.03615.18
5.3.00.0000.04715.18
5.2.170.0100.03515.18
5.2.160.0000.05315.18
5.2.150.0070.03415.18
5.2.140.0040.02815.18
5.2.130.0030.02715.18
5.2.120.0000.03115.18
5.2.110.0070.02315.18
5.2.100.0030.04015.18
5.2.90.0000.04015.18
5.2.80.0000.05415.18
5.2.70.0030.06115.18
5.2.60.0030.04715.18
5.2.50.0060.02815.18
5.2.40.0070.04115.18
5.2.30.0000.03115.18
5.2.20.0030.03515.18
5.2.10.0060.03215.18
5.2.00.0100.03615.18
5.1.60.0030.02715.18
5.1.50.0030.02415.18
5.1.40.0030.04515.18
5.1.30.0040.02515.18
5.1.20.0030.05815.18
5.1.10.0040.04315.18
5.1.00.0030.05815.18
5.0.50.0030.04315.18
5.0.40.0030.02715.18
5.0.30.0040.03515.18
5.0.20.0070.03615.18
5.0.10.0030.03615.18
5.0.00.0000.05415.18
4.4.90.0000.03815.18
4.4.80.0030.01415.18
4.4.70.0000.02215.18
4.4.60.0070.02915.18
4.4.50.0030.03415.18
4.4.40.0030.05415.18
4.4.30.0030.01315.18
4.4.20.0090.01515.18
4.4.10.0060.03215.18
4.4.00.0030.04015.18
4.3.110.0000.02015.18
4.3.100.0060.03215.18
4.3.90.0000.03615.18
4.3.80.0000.04115.18
4.3.70.0030.01615.18
4.3.60.0030.02715.18
4.3.50.0030.02415.18
4.3.40.0030.04715.18
4.3.30.0000.01715.18
4.3.20.0000.04015.18
4.3.10.0000.03815.18
4.3.00.0030.02515.18

preferences:
44.54 ms | 401 KiB | 5 Q