3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 123; $a = array(array(&$x, 'hi')); $b = $a; $b[1]++; echo $b[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)
8.3.60.0070.00718.55
8.3.50.0070.01421.05
8.3.40.0150.00018.71
8.3.30.0120.00319.04
8.3.20.0040.00419.96
8.3.10.0000.00821.74
8.3.00.0030.00717.50
8.2.180.0160.00416.62
8.2.170.0090.00622.96
8.2.160.0070.00720.52
8.2.150.0030.01224.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0070.00022.21
8.2.110.0050.00522.27
8.2.100.0090.00317.63
8.2.90.0070.00019.19
8.2.80.0050.00317.97
8.2.70.0040.00417.75
8.2.60.0080.00418.16
8.2.50.0060.00318.07
8.2.40.0100.00318.01
8.2.30.0090.00018.21
8.2.20.0070.00017.86
8.2.10.0080.00018.02
8.2.00.0040.00417.68
8.1.280.0070.01425.92
8.1.270.0050.00322.24
8.1.260.0050.00326.35
8.1.250.0030.01028.09
8.1.240.0070.01023.84
8.1.230.0080.00419.07
8.1.220.0040.00417.79
8.1.210.0000.00718.77
8.1.200.0030.00617.23
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0030.00618.50
8.1.160.0040.00422.02
8.1.150.0020.00518.84
8.1.140.0000.00717.45
8.1.130.0000.00817.74
8.1.120.0070.00017.46
8.1.110.0080.00017.43
8.1.100.0070.00017.36
8.1.90.0040.00417.36
8.1.80.0070.00017.46
8.1.70.0030.00317.31
8.1.60.0040.00417.52
8.1.50.0080.00017.41
8.1.40.0030.00617.45
8.1.30.0040.00417.55
8.1.20.0040.00417.64
8.1.10.0030.00617.50
8.1.00.0000.00717.54
8.0.300.0000.00718.77
8.0.290.0090.00016.88
8.0.280.0000.00818.31
8.0.270.0000.00717.18
8.0.260.0050.00317.18
8.0.250.0030.00316.90
8.0.240.0030.00516.88
8.0.230.0040.00416.89
8.0.220.0000.00716.97
8.0.210.0030.00316.83
8.0.200.0030.00316.84
8.0.190.0080.00017.03
8.0.180.0050.00317.00
8.0.170.0040.00416.98
8.0.160.0040.00417.08
8.0.150.0000.00716.73
8.0.140.0040.00316.89
8.0.130.0000.00613.37
8.0.120.0040.00416.96
8.0.110.0000.00716.84
8.0.100.0070.00016.92
8.0.90.0050.00216.98
8.0.80.0110.00416.98
8.0.70.0040.00416.84
8.0.60.0030.00617.01
8.0.50.0000.00716.93
8.0.30.0150.00916.97
8.0.20.0110.01017.41
8.0.10.0040.00417.05
8.0.00.0070.01016.95
7.4.330.0030.00315.00
7.4.320.0030.00316.35
7.4.300.0060.00016.55
7.4.290.0000.00716.50
7.4.280.0030.00616.54
7.4.270.0060.00016.47
7.4.260.0070.00016.37
7.4.250.0040.00416.50
7.4.240.0030.00416.52
7.4.230.0030.00316.37
7.4.220.0100.01616.61
7.4.210.0100.00316.66
7.4.200.0000.00716.66
7.4.160.0090.00616.32
7.4.150.0090.00917.40
7.4.140.0150.00617.86
7.4.130.0060.01016.67
7.4.120.0080.00916.54
7.4.110.0100.01016.59
7.4.100.0100.01016.56
7.4.90.0100.00716.47
7.4.80.0130.00319.39
7.4.70.0160.00616.73
7.4.60.0120.00316.48
7.4.50.0030.00616.50
7.4.40.0080.00916.50
7.4.30.0100.01116.45
7.4.00.0030.01214.83
7.3.330.0030.00313.27
7.3.320.0020.00213.26
7.3.310.0050.00316.38
7.3.300.0070.00016.42
7.3.290.0130.00016.34
7.3.280.0100.00616.39
7.3.270.0000.01617.40
7.3.260.0140.00316.62
7.3.250.0110.01016.57
7.3.240.0100.01316.45
7.3.230.0130.00316.40
7.3.210.0110.00516.54
7.3.200.0120.00919.39
7.3.190.0090.00916.50
7.3.180.0130.00316.59
7.3.170.0080.01116.36
7.3.160.0060.01816.59
7.3.120.0070.01014.55
7.3.110.0000.01514.78
7.3.100.0060.00614.93
7.3.90.0070.01015.04
7.3.80.0090.00614.51
7.3.70.0100.00414.60
7.3.60.0120.00314.79
7.3.50.0070.00714.93
7.3.40.0040.00814.59
7.3.30.0120.00614.43
7.3.20.0090.00316.40
7.3.10.0060.00616.69
7.3.00.0070.01016.58
7.2.330.0140.00316.49
7.2.320.0120.00616.42
7.2.310.0140.01216.73
7.2.300.0090.00616.53
7.2.290.0060.01616.42
7.2.250.0030.01314.85
7.2.240.0130.00615.08
7.2.230.0090.00915.19
7.2.220.0060.00615.04
7.2.210.0060.00914.94
7.2.200.0040.01115.12
7.2.190.0090.00914.82
7.2.180.0030.01014.98
7.2.170.0090.00615.01
7.2.00.0000.01219.29
7.1.330.0030.01415.93
7.1.320.0040.00415.71
7.1.310.0030.01415.48
7.1.300.0070.00715.98
7.1.290.0060.00615.52
7.1.280.0110.00415.80
7.1.270.0030.01115.60
7.1.260.0090.00615.59
7.1.100.0040.00818.14
7.1.70.0000.00817.06
7.1.60.0100.01019.32
7.1.50.0030.01016.62
7.1.00.0000.08022.31
7.0.200.0060.00316.47
7.0.140.0030.07321.92
7.0.60.0130.07019.86
7.0.50.0000.09317.84
7.0.40.0100.05720.04
7.0.30.0500.07020.12
7.0.20.0370.07720.19
7.0.10.0100.07320.12
7.0.00.0130.08020.18
5.6.280.0000.07721.09
5.6.210.0130.07020.52
5.6.200.0130.07318.22
5.6.190.0070.08020.47
5.6.180.0400.05320.77
5.6.170.0130.05320.35
5.6.160.0030.04320.38
5.6.150.0130.07718.16
5.6.140.0100.08018.17
5.6.130.0170.06718.06
5.6.120.0070.05020.98
5.6.110.0130.03021.11
5.6.100.0130.03321.01
5.6.90.0130.07720.98
5.6.80.0030.08020.52
5.5.350.0030.03720.43
5.5.340.0070.06717.95
5.5.330.0070.07320.23
5.5.320.0000.04720.31
5.5.310.0200.04020.41
5.5.300.0030.05718.02
5.5.290.0030.07017.98
5.5.280.0100.07720.80
5.5.270.0030.08020.77
5.5.260.0030.08720.81
5.5.250.0100.08020.68
5.5.240.0030.07020.04
5.4.450.0670.05719.61
5.4.440.0830.06319.32
5.4.430.0470.05019.60
5.4.420.0670.00019.29
5.4.410.0730.00019.39
5.4.400.0630.00019.33
5.4.390.0670.00019.05
5.4.380.0670.00019.00
5.4.370.0670.00019.16
5.4.360.0630.00018.91
5.4.350.0730.00019.07
5.4.340.0090.03911.96
5.4.320.0060.03712.45
5.4.310.0020.04512.45
5.4.300.0050.04212.45
5.4.290.0060.04012.45
5.4.280.0070.03612.35
5.4.270.0110.03712.34
5.4.260.0050.04112.35
5.4.250.0060.03912.34
5.4.240.0060.03812.34
5.4.230.0080.03712.34
5.4.220.0070.03712.34
5.4.210.0100.03912.34
5.4.200.0110.04712.34
5.4.190.0080.04012.33
5.4.180.0030.04012.33
5.4.170.0080.03712.35
5.4.160.0060.03812.34
5.4.150.0050.04312.34
5.4.140.0090.03712.02
5.4.130.0060.04212.01
5.4.120.0080.03711.97
5.4.110.0100.03711.96
5.4.100.0060.03911.96
5.4.90.0080.03711.96
5.4.80.0060.03611.96
5.4.70.0100.03211.96
5.4.60.0100.03611.96
5.4.50.0090.03511.96
5.4.40.0080.03411.95
5.4.30.0070.03911.95
5.4.20.0100.03611.94
5.4.10.0110.04211.94
5.4.00.0110.04111.44
5.3.290.0100.03812.80
5.3.280.0110.04412.71
5.3.270.0050.04412.73
5.3.260.0050.04512.72
5.3.250.0050.04312.72
5.3.240.0040.04012.71
5.3.230.0090.04112.71
5.3.220.0070.04512.68
5.3.210.0090.04712.68
5.3.200.0060.04212.68
5.3.190.0160.05012.68
5.3.180.0070.03912.68
5.3.170.0080.03712.66
5.3.160.0170.04812.67
5.3.150.0140.04712.67
5.3.140.0150.03412.66
5.3.130.0110.04912.66
5.3.120.0160.04612.66
5.3.110.0080.03912.66
5.3.100.0120.03912.11
5.3.90.0120.04612.09
5.3.80.0060.04512.08
5.3.70.0030.05012.07
5.3.60.0090.03512.06
5.3.50.0100.03312.00
5.3.40.0090.03512.00
5.3.30.0080.03511.94
5.3.20.0080.04411.72
5.3.10.0030.03711.69
5.3.00.0040.03911.68
5.2.170.0090.0289.18
5.2.160.0080.0349.18
5.2.150.0080.0329.18
5.2.140.0030.0329.17
5.2.130.0070.0289.13
5.2.120.0120.0229.14
5.2.110.0090.0269.14
5.2.100.0040.0299.14
5.2.90.0080.0309.14
5.2.80.0030.0329.14
5.2.70.0090.0309.14
5.2.60.0060.0309.09
5.2.50.0080.0279.06
5.2.40.0070.0269.03
5.2.30.0080.0319.01
5.2.20.0020.0339.00
5.2.10.0070.0288.94
5.2.00.0090.0318.79
5.1.60.0070.0238.07
5.1.50.0060.0318.07
5.1.40.0040.0268.06
5.1.30.0040.0278.41
5.1.20.0060.0258.43
5.1.10.0060.0258.15
5.1.00.0050.0258.15
5.0.50.0040.0206.63
5.0.40.0060.0246.49
5.0.30.0070.0316.30
5.0.20.0030.0206.27
5.0.10.0030.0236.25
5.0.00.0060.0316.23
4.4.90.0030.0154.78
4.4.80.0020.0244.75
4.4.70.0040.0144.76
4.4.60.0040.0174.76
4.4.50.0040.0174.77
4.4.40.0030.0254.71
4.4.30.0040.0164.76
4.4.20.0020.0174.85
4.4.10.0030.0164.85
4.4.00.0040.0304.76
4.3.110.0020.0184.67
4.3.100.0010.0184.67
4.3.90.0050.0134.63
4.3.80.0060.0274.59
4.3.70.0060.0124.63
4.3.60.0030.0144.63
4.3.50.0010.0174.63
4.3.40.0030.0244.54
4.3.30.0020.0163.30
4.3.20.0000.0173.27
4.3.10.0030.0203.22
4.3.00.0200.0374.51

preferences:
28.44 ms | 401 KiB | 5 Q