3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = []; $a[0] = 2; echo json_encode(range(1, 4));

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)
8.3.40.0070.00718.70
8.3.30.0110.00718.92
8.3.20.0040.00420.27
8.3.10.0050.00323.52
8.3.00.0040.00420.62
8.2.170.0130.00722.96
8.2.160.0030.01020.43
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0000.00820.90
8.2.110.0060.00322.25
8.2.100.0080.00417.97
8.2.90.0040.00418.03
8.2.80.0000.00720.55
8.2.70.0040.00418.05
8.2.60.0000.00818.05
8.2.50.0100.00018.10
8.2.40.0040.00420.47
8.2.30.0000.00718.31
8.2.20.0040.00417.75
8.2.10.0000.00818.05
8.2.00.0040.00417.54
8.1.270.0030.00623.97
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00023.96
8.1.230.0050.00520.98
8.1.220.0050.00317.77
8.1.210.0040.00418.77
8.1.200.0080.00017.35
8.1.190.0030.00517.23
8.1.180.0000.00918.10
8.1.170.0000.00818.66
8.1.160.0070.00022.17
8.1.150.0040.00418.55
8.1.140.0000.00717.28
8.1.130.0030.00317.81
8.1.120.0050.00217.43
8.1.110.0040.00417.35
8.1.100.0000.00717.34
8.1.90.0000.00817.36
8.1.80.0070.00017.36
8.1.70.0030.00317.26
8.1.60.0030.00617.52
8.1.50.0000.00917.32
8.1.40.0000.00717.46
8.1.30.0050.00317.64
8.1.20.0000.00817.60
8.1.10.0000.00717.56
8.1.00.0000.00717.36
8.0.300.0000.00820.27
8.0.290.0040.00416.88
8.0.280.0080.00018.38
8.0.270.0000.00717.26
8.0.260.0000.00617.25
8.0.250.0000.00716.84
8.0.240.0030.00316.89
8.0.230.0080.00016.81
8.0.220.0030.00316.84
8.0.210.0030.00316.79
8.0.200.0030.00316.81
8.0.190.0000.00816.87
8.0.180.0000.00716.90
8.0.170.0040.00416.83
8.0.160.0050.00316.87
8.0.150.0080.00016.64
8.0.140.0050.00316.84
8.0.130.0060.00013.33
8.0.120.0040.00416.72
8.0.110.0070.00016.65
8.0.100.0030.00316.62
8.0.90.0000.00716.86
8.0.80.0090.01216.74
8.0.70.0050.00216.81
8.0.60.0000.00716.84
8.0.50.0000.00716.88
8.0.30.0170.00517.06
8.0.20.0100.01017.40
8.0.10.0080.00016.93
8.0.00.0140.00816.92
7.4.330.0000.00615.00
7.4.320.0030.00316.53
7.4.300.0060.00016.55
7.4.290.0030.00316.55
7.4.280.0000.00716.42
7.4.270.0030.00416.41
7.4.260.0000.00716.46
7.4.250.0000.00816.46
7.4.240.0030.00316.55
7.4.230.0000.00716.63
7.4.220.0140.00316.35
7.4.210.0040.01516.59
7.4.200.0030.00316.41
7.4.160.0070.00716.59
7.4.150.0030.01417.40
7.4.140.0070.01017.86
7.4.130.0090.00816.50
7.4.120.0070.01016.37
7.4.110.0120.00616.42
7.4.100.0090.00816.49
7.4.90.0100.00716.48
7.4.80.0140.00419.39
7.4.70.0070.01016.32
7.4.60.0030.01416.59
7.4.50.0030.00616.56
7.4.40.0090.00616.54
7.4.30.0120.00316.36
7.4.10.0060.01216.54
7.4.00.0080.01115.47
7.3.330.0050.00013.11
7.3.320.0000.00512.93
7.3.310.0030.00316.16
7.3.300.0080.00016.23
7.3.290.0070.00716.21
7.3.280.0090.01216.19
7.3.270.0030.01317.40
7.3.260.0190.01616.29
7.3.250.0100.00616.32
7.3.240.0060.01016.41
7.3.230.0130.00316.39
7.3.210.0060.01116.28
7.3.200.0140.00719.39
7.3.190.0130.00316.30
7.3.180.0150.00016.25
7.3.170.0120.00816.32
7.3.160.0090.00616.33
7.3.130.0060.01216.21
7.3.120.0090.00915.40
7.3.110.0100.00715.58
7.3.100.0050.00915.63
7.3.90.0050.01015.63
7.3.80.0050.00715.74
7.3.70.0050.00615.61
7.3.60.0110.00315.52
7.3.50.0090.00115.57
7.3.40.0060.00615.38
7.3.30.0060.00515.41
7.3.20.0070.00717.37
7.3.10.0050.00816.93
7.3.00.0060.00616.89
7.2.330.0110.00716.43
7.2.320.0120.00916.30
7.2.310.0090.00616.38
7.2.300.0100.00616.47
7.2.290.0120.00716.45
7.2.260.0070.01416.34
7.2.250.0030.01515.75
7.2.240.0080.01015.85
7.2.230.0060.01015.55
7.2.220.0050.00815.49
7.2.210.0050.01015.49
7.2.200.0100.00515.86
7.2.190.0080.00815.54
7.2.180.0030.01115.75
7.2.170.0070.00715.71
7.2.160.0090.00616.57
7.2.150.0090.00918.32
7.2.140.0100.00318.53
7.2.130.0060.00617.12
7.2.120.0070.00517.26
7.2.110.0060.00817.27
7.2.100.0090.00617.28
7.2.90.0050.00917.23
7.2.80.0050.01017.27
7.2.70.0060.00717.16
7.2.60.0070.00717.34
7.2.50.0030.01217.36
7.2.40.0060.00917.43
7.2.30.0080.00817.35
7.2.20.0040.00917.34
7.2.10.0040.01017.30
7.2.00.0040.01017.84
7.1.330.0080.00616.61
7.1.320.0050.01016.50
7.1.310.0090.00316.48
7.1.300.0060.00816.56
7.1.290.0050.00916.48
7.1.280.0060.00616.51
7.1.270.0060.00916.33
7.1.260.0060.00616.33
7.1.250.0070.00516.17
7.1.240.0100.00717.09
7.1.230.0150.00017.33
7.1.220.0030.00917.21
7.1.210.0070.00717.11
7.1.200.0090.00617.25
7.1.190.0120.00317.33
7.1.180.0060.00617.16
7.1.170.0070.01017.19
7.1.160.0060.01317.21
7.1.150.0040.01117.21
7.1.140.0070.01017.29
7.1.130.0030.01017.20
7.1.120.0050.00517.09
7.1.110.0040.01217.16
7.1.100.0020.01017.73
7.1.90.0070.00317.20
7.1.80.0070.00717.36
7.1.70.0030.00917.14
7.1.60.0080.01118.50
7.1.50.0120.00717.04
7.1.40.0070.00717.19
7.1.30.0110.00617.09
7.1.20.0030.01417.18
7.1.10.0000.01417.32
7.1.00.0050.04419.79
7.0.330.0040.00417.08
7.0.320.0060.00616.85
7.0.310.0030.01017.05
7.0.300.0090.00416.77
7.0.290.0040.01116.98
7.0.280.0030.01016.88
7.0.270.0000.01216.93
7.0.260.0100.00316.76
7.0.250.0070.00717.03
7.0.240.0000.01016.88
7.0.230.0090.00616.86
7.0.220.0060.00617.08
7.0.210.0000.01316.80
7.0.200.0420.00515.62
7.0.190.0060.00916.80
7.0.180.0110.00616.72
7.0.170.0030.01416.84
7.0.160.0070.01016.91
7.0.150.0030.00916.88
7.0.140.0020.04419.57
7.0.130.0090.00317.04
7.0.120.0000.01417.00
7.0.110.0030.01216.64
7.0.100.0040.00417.04
7.0.90.0100.02518.54
7.0.80.0100.03818.44
7.0.70.0080.02318.37
7.0.60.0080.04018.37
7.0.50.0070.04418.59
7.0.40.0120.03717.46
7.0.30.0030.04017.50
7.0.20.0080.03517.41
7.0.10.0050.04517.51
7.0.00.0080.04317.44
5.6.400.0070.00715.82
5.6.390.0060.00615.99
5.6.380.0040.00416.17
5.6.370.0030.00915.60
5.6.360.0030.01316.09
5.6.350.0070.01115.71
5.6.340.0090.00616.07
5.6.330.0070.00715.58
5.6.320.0040.00715.76
5.6.310.0040.01316.01
5.6.300.0030.01316.05
5.6.290.0030.00915.84
5.6.280.0070.04018.37
5.6.270.0000.01415.75
5.6.260.0000.00915.96
5.6.250.0060.00915.98
5.6.240.0060.03518.19
5.6.230.0020.05318.17
5.6.220.0020.03118.25
5.6.210.0050.02618.21
5.6.200.0050.05018.39
5.6.190.0030.02718.38
5.6.180.0040.04618.45
5.6.170.0110.04118.57
5.6.160.0030.03118.38
5.6.150.0030.03118.47
5.6.140.0070.02418.41
5.6.130.0070.03018.43
5.6.120.0080.04618.53
5.6.110.0080.04618.33
5.6.100.0100.03818.46
5.6.90.0070.04418.46
5.6.80.0080.04218.01
5.6.70.0080.02718.05
5.6.60.0100.04218.11
5.6.50.0050.03018.21
5.6.40.0120.04318.07
5.6.30.0020.04318.09
5.6.20.0040.03418.12
5.6.10.0050.02718.12
5.6.00.0070.04118.21
5.5.380.0060.03117.99
5.5.370.0030.03218.16
5.5.360.0050.02918.10
5.5.350.0100.04018.06
5.5.340.0130.03818.37
5.5.330.0070.03218.34
5.5.320.0080.02318.34
5.5.310.0090.02618.40
5.5.300.0050.04818.36
5.5.290.0020.05118.21
5.5.280.0080.03318.39
5.5.270.0050.04118.13
5.5.260.0060.03118.20
5.5.250.0080.02618.14
5.5.240.0050.05017.93
5.5.230.0070.03117.84
5.5.220.0030.03518.07
5.5.210.0050.04018.11
5.5.200.0070.02717.85
5.5.190.0080.02518.03
5.5.180.0040.04617.82
5.5.170.0070.00415.80
5.5.160.0030.02917.95
5.5.150.0060.03318.00
5.5.140.0060.02517.94
5.5.130.0090.04217.94
5.5.120.0130.04017.86
5.5.110.0030.03318.04
5.5.100.0060.04317.99
5.5.90.0080.04217.78
5.5.80.0070.04317.79
5.5.70.0090.04017.86
5.5.60.0070.04217.81
5.5.50.0090.03917.89
5.5.40.0070.02717.90
5.5.30.0090.04317.94
5.5.20.0070.04317.92
5.5.10.0090.03417.85
5.5.00.0050.03117.80
5.4.450.0090.03915.99
5.4.440.0120.03615.86
5.4.430.0060.02416.08
5.4.420.0080.02315.99
5.4.410.0050.02715.91
5.4.400.0100.03515.81
5.4.390.0040.03315.80
5.4.380.0080.04115.80
5.4.370.0070.03215.83
5.4.360.0020.04815.80
5.4.350.0110.03815.63
5.4.340.0040.02715.82
5.4.330.0080.00412.68
5.4.320.0060.04015.68
5.4.310.0050.04115.83
5.4.300.0060.04315.61
5.4.290.0050.04215.88
5.4.280.0060.02615.56
5.4.270.0090.04115.74
5.4.260.0090.01915.67
5.4.250.0120.03315.71
5.4.240.0030.04515.60
5.4.230.0130.03315.57
5.4.220.0050.04215.66
5.4.210.0050.04015.74
5.4.200.0080.01915.80
5.4.190.0050.03115.71
5.4.180.0080.03615.76
5.4.170.0050.03515.68
5.4.160.0020.02415.82
5.4.150.0100.04015.72
5.4.140.0030.02614.37
5.4.130.0110.03214.49
5.4.120.0050.03714.35
5.4.110.0050.03414.44
5.4.100.0060.02114.48
5.4.90.0090.02614.32
5.4.80.0050.03014.40
5.4.70.0070.03814.46
5.4.60.0080.02514.49
5.4.50.0050.02614.27
5.4.40.0050.04214.63
5.4.30.0070.03014.49
5.4.20.0070.02314.52
5.4.10.0060.04014.53
5.4.00.0050.03414.20
5.3.290.0060.03213.83
5.3.280.0070.04013.60
5.3.270.0070.03813.58
5.3.260.0050.02113.61
5.3.250.0070.02013.66
5.3.240.0070.03813.50
5.3.230.0030.03313.65
5.3.220.0100.02113.50
5.3.210.0060.02413.52
5.3.200.0030.03813.44
5.3.190.0070.03913.61
5.3.180.0050.03813.66
5.3.170.0060.03813.62
5.3.160.0030.03413.62
5.3.150.0030.04313.74
5.3.140.0000.04513.67
5.3.130.0050.04213.63
5.3.120.0060.03813.63
5.3.110.0060.04113.55
5.3.100.0080.02813.39
5.3.90.0040.02213.31
5.3.80.0050.04013.32
5.3.70.0030.04013.28
5.3.60.0050.04713.31
5.3.50.0050.02613.20
5.3.40.0070.04013.16
5.3.30.0050.02913.16
5.3.20.0000.02713.01
5.3.10.0090.03713.02
5.3.00.0070.03513.04
5.2.170.0000.05011.16
5.2.160.0100.05311.17
5.2.150.0070.06011.20
5.2.140.0070.05311.10
5.2.130.0100.05011.13
5.2.120.0030.05310.93
5.2.110.0070.05311.14
5.2.100.0100.05311.04
5.2.90.0000.05011.09
5.2.80.0030.03711.09
5.2.70.0070.05011.09
5.2.60.0030.03710.88
5.2.50.0030.05710.98
5.2.40.0030.05710.98
5.2.30.0070.04311.04
5.2.20.0070.04310.76
5.2.10.0000.05010.92
5.2.00.0030.05710.57
5.1.60.0100.04710.00
5.1.50.0070.05010.01
5.1.40.0070.04710.04
5.1.30.0100.04310.24
5.1.20.0100.05010.43
5.1.10.0070.03710.11
5.1.00.0030.03310.05
5.0.50.0030.0408.57
5.0.40.0000.0478.48
5.0.30.0070.0608.02
5.0.20.0030.0478.22
5.0.10.0070.0408.23
5.0.00.0030.0537.99
4.4.90.0000.0236.93
4.4.80.0000.0276.93
4.4.70.0000.0376.93
4.4.60.0000.0306.93
4.4.50.0030.0236.93
4.4.40.0000.0536.93
4.4.30.0070.0306.93
4.4.20.0000.0336.93
4.4.10.0000.0406.93
4.4.00.0030.0536.93
4.3.110.0030.0176.93
4.3.100.0000.0206.93
4.3.90.0000.0406.93
4.3.80.0030.0506.93
4.3.70.0030.0206.93
4.3.60.0070.0176.93
4.3.50.0000.0376.93
4.3.40.0070.0476.93
4.3.30.0070.0236.93
4.3.20.0030.0236.93
4.3.10.0000.0376.93
4.3.00.0070.0336.93

preferences:
43.29 ms | 400 KiB | 5 Q