3v4l.org

run code in 300+ PHP versions simultaneously
<?php function &counter() { static $c = 0; $c++; echo $c."\n"; return $c; } $cnt1 = counter(); $cnt1++; // this does not influence counter $cnt2 =& counter(); $cnt2++; // this does influence counter counter();

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)
8.3.60.0150.00018.30
8.3.50.0100.00722.93
8.3.40.0090.00618.63
8.3.30.0140.00019.24
8.3.20.0040.00420.20
8.3.10.0080.00023.61
8.3.00.0000.00819.25
8.2.180.0100.01016.50
8.2.170.0030.01022.96
8.2.160.0130.00720.27
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0100.00326.16
8.2.120.0040.00421.00
8.2.110.0060.00320.35
8.2.100.0060.00617.71
8.2.90.0040.00419.23
8.2.80.0030.00517.97
8.2.70.0050.00317.38
8.2.60.0000.00817.92
8.2.50.0000.00818.07
8.2.40.0050.00518.21
8.2.30.0080.00018.18
8.2.20.0000.00817.75
8.2.10.0000.00818.16
8.2.00.0030.00617.77
8.1.280.0080.00625.92
8.1.270.0090.00023.83
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00322.65
8.1.230.0080.00317.42
8.1.220.0090.00017.78
8.1.210.0000.00818.77
8.1.200.0050.00517.35
8.1.190.0050.00317.35
8.1.180.0050.00318.10
8.1.170.0080.00018.66
8.1.160.0040.00422.00
8.1.150.0000.00718.93
8.1.140.0000.00817.49
8.1.130.0000.00817.77
8.1.120.0040.00417.34
8.1.110.0000.00817.28
8.1.100.0000.00717.46
8.1.90.0030.00317.37
8.1.80.0000.00717.37
8.1.70.0080.00017.22
8.1.60.0000.00817.57
8.1.50.0040.00417.55
8.1.40.0000.00817.41
8.1.30.0000.00817.61
8.1.20.0030.00617.47
8.1.10.0000.00817.37
8.1.00.0000.00817.28
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0040.00418.44
8.0.270.0070.00017.25
8.0.260.0030.00317.25
8.0.250.0000.00716.98
8.0.240.0000.00716.93
8.0.230.0070.00016.80
8.0.220.0030.00316.89
8.0.210.0000.00716.89
8.0.200.0000.00716.81
8.0.190.0000.00816.95
8.0.180.0000.00816.88
8.0.170.0070.00016.81
8.0.160.0000.00716.86
8.0.150.0030.00316.75
8.0.140.0030.00416.90
8.0.130.0000.00613.33
8.0.120.0030.00516.70
8.0.110.0000.00716.91
8.0.100.0000.00716.94
8.0.90.0040.00416.87
8.0.80.0100.00616.82
8.0.70.0040.00416.82
8.0.60.0080.00016.75
8.0.50.0040.00416.75
8.0.30.0130.01116.88
8.0.20.0070.01417.40
8.0.10.0000.00817.03
8.0.00.0150.00616.67
7.4.330.0000.00515.00
7.4.320.0030.00316.43
7.4.300.0060.00016.39
7.4.290.0030.00316.53
7.4.280.0000.00716.58
7.4.270.0030.00316.57
7.4.260.0090.00016.42
7.4.250.0070.00016.36
7.4.240.0030.00316.45
7.4.230.0050.00316.57
7.4.220.0040.01416.61
7.4.210.0140.00016.62
7.4.200.0020.00516.59
7.4.160.0100.00616.53
7.4.150.0090.01117.40
7.4.140.0110.00917.86
7.4.130.0070.01016.39
7.4.120.0070.01016.52
7.4.110.0090.00916.56
7.4.100.0120.00616.50
7.4.90.0120.00616.45
7.4.80.0130.00619.39
7.4.70.0100.01016.72
7.4.60.0100.00716.51
7.4.50.0070.00016.16
7.4.40.0080.00816.36
7.4.30.0060.00916.55
7.4.00.0110.00514.83
7.3.330.0000.00513.29
7.3.320.0030.00313.14
7.3.310.0040.00416.19
7.3.300.0070.00016.31
7.3.290.0070.00716.35
7.3.280.0090.00916.31
7.3.270.0120.01217.40
7.3.260.0060.01016.59
7.3.250.0080.01316.40
7.3.240.0110.00716.39
7.3.230.0130.00316.39
7.3.210.0190.00916.53
7.3.200.0090.00619.39
7.3.190.0130.00516.32
7.3.180.0090.00616.40
7.3.170.0030.01316.62
7.3.160.0060.00916.39
7.3.120.0030.01314.79
7.3.110.0120.00014.93
7.3.100.0090.00614.88
7.3.90.0030.00914.83
7.3.80.0000.01314.64
7.3.70.0070.01014.85
7.3.60.0040.00814.53
7.3.50.0040.01114.55
7.3.40.0070.01414.80
7.3.30.0030.01714.72
7.3.20.0060.00616.59
7.3.10.0090.00616.32
7.3.00.0120.00316.70
7.2.330.0070.01516.75
7.2.320.0120.00616.70
7.2.310.0100.00716.73
7.2.300.0110.00516.58
7.2.290.0060.01416.60
7.2.250.0130.00714.64
7.2.240.0060.01515.25
7.2.230.0110.00415.05
7.2.220.0070.00714.63
7.2.210.0100.00715.20
7.2.200.0070.01015.00
7.2.190.0040.00714.96
7.2.180.0100.00615.18
7.2.170.0100.00615.01
7.2.00.0060.00919.49
7.1.330.0100.00715.53
7.1.320.0000.01415.78
7.1.310.0070.01015.62
7.1.300.0060.00615.46
7.1.290.0060.00915.40
7.1.280.0070.00815.51
7.1.270.0040.01115.37
7.1.260.0090.00415.58
7.1.100.0070.00717.97
7.1.70.0130.00716.96
7.1.60.5010.00715.20
7.1.50.0130.01016.85
7.1.00.0030.07722.45
7.0.200.0090.00916.75
7.0.140.0070.07022.11
7.0.60.0030.09019.93
7.0.50.0000.04317.72
7.0.40.0030.08720.09
7.0.30.0230.04320.27
7.0.20.0200.07720.25
7.0.10.0100.08020.23
7.0.00.0000.07020.29
5.6.280.0000.07320.99
5.6.210.0030.08320.51
5.6.200.0070.07718.21
5.6.190.0070.07720.41
5.6.180.0330.07720.47
5.6.170.0200.08020.57
5.6.160.0030.06320.54
5.6.150.0070.08718.19
5.6.140.0030.04018.18
5.6.130.0100.07318.18
5.6.120.0130.07721.09
5.6.110.0100.08021.01
5.6.100.0100.07321.08
5.6.90.0070.08720.97
5.6.80.0070.05020.38
5.5.350.0170.04020.43
5.5.340.0100.07317.97
5.5.330.0100.04720.43
5.5.320.0330.07020.27
5.5.310.0130.08320.20
5.5.300.0070.06718.06
5.5.290.0130.04317.99
5.5.280.0030.08020.90
5.5.270.0170.06020.86
5.5.260.0130.06320.77
5.5.250.0200.06020.56
5.5.240.0000.08720.16
5.4.450.0600.06019.34
5.4.440.0570.06319.50
5.4.430.0630.06019.53
5.4.420.0670.05719.39
5.4.410.0170.05718.95
5.4.400.0530.04318.81
5.4.390.0430.04718.78
5.4.380.0170.04718.81
5.4.370.0030.04318.80
5.4.360.0030.04018.73
5.4.350.0100.03912.02
5.4.340.0090.04512.01
5.4.320.0070.04112.51
5.4.310.0080.03512.50
5.4.300.0070.04912.50
5.4.290.0080.03912.50
5.4.280.0040.03612.40
5.4.270.0040.03912.39
5.4.260.0050.03912.40
5.4.250.0050.03812.40
5.4.240.0090.03212.39
5.4.230.0050.03812.39
5.4.220.0070.03512.39
5.4.210.0060.04412.39
5.4.200.0040.04612.39
5.4.190.0040.04212.39
5.4.180.0070.04512.39
5.4.170.0050.04312.39
5.4.160.0080.03512.39
5.4.150.0090.04512.39
5.4.140.0080.04212.07
5.4.130.0080.03212.06
5.4.120.0080.04612.02
5.4.110.0070.03912.01
5.4.100.0090.03712.01
5.4.90.0070.04012.02
5.4.80.0030.03912.02
5.4.70.0090.04012.01
5.4.60.0040.03812.01
5.4.50.0090.03412.01
5.4.40.0050.03612.00
5.4.30.0040.03812.00
5.4.20.0050.03612.00
5.4.10.0080.04012.00
5.4.00.0040.03711.48
5.3.290.0090.03812.80
5.3.280.0100.04512.71
5.3.270.0110.04112.72
5.3.260.0060.04612.71
5.3.250.0050.04212.72
5.3.240.0070.03812.72
5.3.230.0110.03712.70
5.3.220.0050.03912.68
5.3.210.0070.04112.68
5.3.200.0100.03412.68
5.3.190.0070.03612.68
5.3.180.0080.03812.67
5.3.170.0050.03712.67
5.3.160.0070.03612.68
5.3.150.0050.03912.67
5.3.140.0080.03612.66
5.3.130.0090.03512.66
5.3.120.0120.04312.66
5.3.110.0100.04212.66
5.3.100.0060.03712.12
5.3.90.0050.03912.10
5.3.80.0050.04412.09
5.3.70.0060.04512.09
5.3.60.0080.03512.07
5.3.50.0050.03712.02
5.3.40.0080.03412.02
5.3.30.0070.03411.98
5.3.20.0080.03311.75
5.3.10.0060.03811.73
5.3.00.0040.03711.71
5.2.170.0070.0289.21
5.2.160.0040.0299.21
5.2.150.0070.0329.21
5.2.140.0030.0319.21
5.2.130.0050.0289.17
5.2.120.0040.0299.17
5.2.110.0020.0329.18
5.2.100.0060.0309.17
5.2.90.0060.0299.17
5.2.80.0060.0309.16
5.2.70.0060.0299.16
5.2.60.0070.0289.12
5.2.50.0040.0309.09
5.2.40.0030.0309.07
5.2.30.0050.0299.04
5.2.20.0060.0279.04
5.2.10.0060.0308.94
5.2.00.0030.0348.79
5.1.60.0050.0238.08
5.1.50.0050.0258.08
5.1.40.0050.0248.06
5.1.30.0070.0248.41
5.1.20.0040.0388.43
5.1.10.0040.0268.16
5.1.00.0040.0268.16
5.0.50.0030.0216.63
5.0.40.0070.0186.50
5.0.30.0050.0386.32
5.0.20.0060.0186.27
5.0.10.0020.0226.25
5.0.00.0030.0316.25
4.4.90.0050.0144.77
4.4.80.0060.0164.75
4.4.70.0050.0134.76
4.4.60.0070.0184.75
4.4.50.0040.0144.77
4.4.40.0050.0244.71
4.4.30.0010.0174.76
4.4.20.0010.0174.85
4.4.10.0020.0174.85
4.4.00.0030.0324.75
4.3.110.0130.0144.67
4.3.100.0070.0204.66
4.3.90.0040.0154.63
4.3.80.0030.0244.58
4.3.70.0040.0134.63
4.3.60.0040.0134.62
4.3.50.0020.0164.63
4.3.40.0030.0244.54
4.3.30.0010.0223.29
4.3.20.0020.0173.27
4.3.10.0050.0173.24
4.3.00.0130.0237.14

preferences:
40.63 ms | 401 KiB | 5 Q