3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(1,2); $reference =& $array[0]; echo $array[0], '<br>'; theFunction($array); echo $array[0], '<br>'; function theFunction($array) { $array[0] = 2; } ?>

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)
8.3.60.0060.01318.55
8.3.50.0110.00921.28
8.3.40.0110.00718.93
8.3.30.0070.00718.96
8.3.20.0000.00720.20
8.3.10.0060.00323.60
8.3.00.0040.00717.50
8.2.180.0100.01016.50
8.2.170.0130.00722.96
8.2.160.0140.00020.21
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0050.00226.16
8.2.120.0080.00022.24
8.2.110.0090.00022.11
8.2.100.0000.01217.75
8.2.90.0040.00419.31
8.2.80.0060.00317.97
8.2.70.0000.00917.59
8.2.60.0040.00418.02
8.2.50.0080.00418.07
8.2.40.0060.00319.94
8.2.30.0060.00318.10
8.2.20.0040.00417.66
8.2.10.0040.00418.09
8.2.00.0040.00417.64
8.1.280.0140.00725.92
8.1.270.0080.00022.01
8.1.260.0000.00726.35
8.1.250.0110.00428.09
8.1.240.0030.00624.05
8.1.230.0070.00719.26
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.12
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0000.00918.61
8.1.160.0040.00421.98
8.1.150.0040.00418.69
8.1.140.0030.00317.39
8.1.130.0000.00717.82
8.1.120.0000.00717.28
8.1.110.0040.00417.39
8.1.100.0000.00717.38
8.1.90.0000.00717.26
8.1.80.0040.00417.42
8.1.70.0000.00717.39
8.1.60.0040.00417.61
8.1.50.0060.00317.52
8.1.40.0040.00417.46
8.1.30.0040.00417.69
8.1.20.0000.00817.54
8.1.10.0040.00417.50
8.1.00.0030.00517.51
8.0.300.0060.00318.77
8.0.290.0000.00716.63
8.0.280.0030.00318.42
8.0.270.0000.00717.12
8.0.260.0030.00317.21
8.0.250.0000.00716.95
8.0.240.0030.00316.83
8.0.230.0070.00016.79
8.0.220.0000.00716.83
8.0.210.0000.00716.80
8.0.200.0000.00716.80
8.0.190.0000.00816.95
8.0.180.0000.00716.84
8.0.170.0040.00416.81
8.0.160.0000.00716.87
8.0.150.0070.00016.78
8.0.140.0000.00816.69
8.0.130.0000.00613.25
8.0.120.0000.00816.72
8.0.110.0000.00816.78
8.0.100.0040.00416.84
8.0.90.0070.00016.88
8.0.80.0120.00316.81
8.0.70.0050.00216.84
8.0.60.0030.00516.79
8.0.50.0000.00816.65
8.0.30.0090.01217.11
8.0.20.0110.00817.40
8.0.10.0000.00716.90
8.0.00.0080.00916.70
7.4.330.0050.00015.08
7.4.320.0060.00016.50
7.4.300.0000.00616.53
7.4.290.0030.00316.59
7.4.280.0030.00616.62
7.4.270.0030.00316.52
7.4.260.0070.00016.57
7.4.250.0030.00516.45
7.4.240.0040.00316.42
7.4.230.0040.00416.68
7.4.220.0070.01016.63
7.4.210.0060.01216.50
7.4.200.0080.00016.70
7.4.160.0090.01316.56
7.4.150.0000.01917.40
7.4.140.0160.01017.86
7.4.130.0090.00816.53
7.4.120.0110.00816.44
7.4.110.0120.00616.44
7.4.100.0100.00616.39
7.4.90.0130.00316.47
7.4.80.0070.01019.39
7.4.70.0090.00916.46
7.4.60.0070.01116.55
7.4.50.0000.00716.50
7.4.40.0130.00916.61
7.4.30.0120.00616.37
7.4.00.0060.01014.96
7.3.330.0050.00013.12
7.3.320.0020.00213.32
7.3.310.0070.00016.19
7.3.300.0030.00316.23
7.3.290.0080.00816.21
7.3.280.0090.00816.27
7.3.270.0140.01117.40
7.3.260.0100.00616.36
7.3.250.0080.00816.37
7.3.240.0120.00416.43
7.3.230.0110.00616.60
7.3.210.0100.01316.57
7.3.200.0140.00719.39
7.3.190.0100.00616.30
7.3.180.0110.01116.55
7.3.170.0120.00416.38
7.3.160.0100.00716.41
7.3.120.0070.01114.64
7.3.110.0110.00815.03
7.3.100.0060.00914.97
7.3.90.0060.00614.63
7.3.80.0030.00514.39
7.3.70.0000.00914.73
7.3.60.0070.01014.54
7.3.50.0030.01214.64
7.3.40.0000.01314.32
7.3.30.0060.00614.67
7.3.20.0070.01016.64
7.3.10.0030.01016.23
7.3.00.0040.00716.36
7.2.330.0120.00616.75
7.2.320.0120.00416.63
7.2.310.0080.01716.67
7.2.300.0000.01916.56
7.2.290.0130.00616.62
7.2.250.0070.01315.20
7.2.240.0100.00715.19
7.2.230.0030.00714.85
7.2.220.0030.00614.67
7.2.210.0070.00714.88
7.2.200.0000.01314.81
7.2.190.0100.00315.07
7.2.180.0060.00914.87
7.2.170.0070.00715.11
7.2.60.0040.00416.86
7.2.00.0120.00619.44
7.1.330.0030.01015.96
7.1.320.0040.00815.75
7.1.310.0100.00715.58
7.1.300.0030.00615.45
7.1.290.0000.01415.42
7.1.280.0030.00815.69
7.1.270.0000.01415.63
7.1.260.0070.00715.57
7.1.200.0040.00715.79
7.1.100.0040.00718.26
7.1.70.0040.00416.84
7.1.60.0100.00719.32
7.1.50.0000.02216.84
7.1.00.0130.06322.45
7.0.200.0090.00916.82
7.0.140.0000.07722.04
7.0.60.0000.04319.99
7.0.50.0100.03317.85
7.0.40.0000.05720.26
7.0.30.0170.04320.38
7.0.20.0230.05720.23
7.0.10.0300.07720.20
7.0.00.0200.07320.21
5.6.280.0030.07320.86
5.6.210.0030.04020.53
5.6.200.0200.07318.16
5.6.190.0000.08020.52
5.6.180.0130.04320.38
5.6.170.0400.07020.55
5.6.160.0130.04720.50
5.6.150.0070.06018.29
5.6.140.0030.04318.18
5.6.130.0130.06018.26
5.6.120.0100.06020.99
5.6.110.0000.04320.98
5.6.100.0100.08021.13
5.6.90.0030.07321.02
5.6.80.0130.07720.51
5.5.350.0130.07720.34
5.5.340.0070.08018.09
5.5.330.0030.09320.32
5.5.320.0070.05020.30
5.5.310.0370.08720.35
5.5.300.0100.08018.09
5.5.290.0130.07018.06
5.5.280.0070.03720.77
5.5.270.0070.06320.85
5.5.260.0100.03720.88
5.5.250.0170.06720.44
5.5.240.0000.04020.26
5.4.450.0030.05019.64
5.4.440.0170.04019.46
5.4.430.0700.04719.39
5.4.420.0700.00019.52
5.4.410.0670.00019.11
5.4.400.0630.00019.23
5.4.390.0630.00019.01
5.4.380.0630.00019.13
5.4.370.0800.00019.25
5.4.360.0700.00019.11
5.4.350.0700.00019.06
5.4.340.0080.04612.02
5.4.320.0090.03912.50
5.4.310.0060.04412.50
5.4.300.0110.03612.51
5.4.290.0060.03712.50
5.4.280.0030.03812.40
5.4.270.0040.03712.40
5.4.260.0050.03812.40
5.4.250.0060.03612.39
5.4.240.0050.03812.40
5.4.230.0020.04012.39
5.4.220.0050.03612.39
5.4.210.0040.03612.39
5.4.200.0060.03712.39
5.4.190.0050.03712.39
5.4.180.0130.04312.39
5.4.170.0030.04212.39
5.4.160.0060.03512.39
5.4.150.0060.03612.38
5.4.140.0040.03812.07
5.4.130.0090.03312.05
5.4.120.0040.03712.02
5.4.110.0040.03712.01
5.4.100.0060.03512.02
5.4.90.0030.04212.01
5.4.80.0070.03812.01
5.4.70.0080.03212.01
5.4.60.0030.03712.01
5.4.50.0060.03512.01
5.4.40.0080.03912.00
5.4.30.0080.04111.99
5.4.20.0030.03812.00
5.4.10.0040.03612.00
5.4.00.0080.04311.48
5.3.290.0090.04312.80
5.3.280.0090.04312.71
5.3.270.0060.04412.72
5.3.260.0090.04512.72
5.3.250.0080.04012.72
5.3.240.0100.03612.72
5.3.230.0070.03612.71
5.3.220.0080.04012.68
5.3.210.0030.04112.68
5.3.200.0060.03612.68
5.3.190.0060.03712.68
5.3.180.0040.03912.68
5.3.170.0050.03712.67
5.3.160.0040.03812.67
5.3.150.0070.03612.67
5.3.140.0070.03512.66
5.3.130.0070.03812.65
5.3.120.0060.03812.66
5.3.110.0060.03812.66
5.3.100.0100.04312.12
5.3.90.0100.03312.10
5.3.80.0070.03712.09
5.3.70.0070.03712.09
5.3.60.0060.04112.07
5.3.50.0050.03812.02
5.3.40.0070.03812.02
5.3.30.0070.03811.97
5.3.20.0060.03811.77
5.3.10.0060.03811.73
5.3.00.0070.04211.71
5.2.170.0050.0349.22
5.2.160.0050.0339.22
5.2.150.0050.0319.22
5.2.140.0050.0319.21
5.2.130.0050.0289.18
5.2.120.0100.0319.18
5.2.110.0080.0299.18
5.2.100.0060.0349.18
5.2.90.0060.0329.18
5.2.80.0050.0299.17
5.2.70.0020.0419.17
5.2.60.0060.0309.12
5.2.50.0050.0349.10
5.2.40.0040.0339.07
5.2.30.0040.0309.05
5.2.20.0030.0299.03
5.2.10.0030.0328.94
5.2.00.0050.0288.80
5.1.60.0010.0278.09
5.1.50.0020.0268.09
5.1.40.0040.0248.06
5.1.30.0050.0248.41
5.1.20.0070.0328.43
5.1.10.0060.0258.16
5.1.00.0030.0268.16
5.0.50.0060.0266.64
5.0.40.0030.0256.50
5.0.30.0030.0326.31
5.0.20.0010.0226.27
5.0.10.0030.0236.25
5.0.00.0030.0316.25
4.4.90.0010.0194.78
4.4.80.0020.0164.75
4.4.70.0040.0144.75
4.4.60.0010.0174.76
4.4.50.0040.0144.77
4.4.40.0040.0264.71
4.4.30.0020.0164.76
4.4.20.0000.0184.84
4.4.10.0030.0204.85
4.4.00.0020.0274.76
4.3.110.0050.0144.67
4.3.100.0040.0144.66
4.3.90.0030.0184.63
4.3.80.0040.0234.59
4.3.70.0060.0114.63
4.3.60.0050.0234.63
4.3.50.0050.0124.63
4.3.40.0010.0254.54
4.3.30.0000.0183.30
4.3.20.0020.0163.28
4.3.10.0020.0253.24
4.3.00.0030.01310.53

preferences:
46.79 ms | 401 KiB | 5 Q