3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($unset = false) { static $bar = 'bar'; echo $bar; if ($unset) { unset($bar); } } foo(); foo(true); foo();

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)
8.3.40.0100.00718.67
8.3.30.0130.00720.11
8.3.20.0040.00420.33
8.3.10.0040.00421.84
8.3.00.0100.00022.32
8.2.170.0100.00722.96
8.2.160.0030.01120.52
8.2.150.0050.00324.18
8.2.140.0070.01424.66
8.2.130.0150.00326.16
8.2.120.0040.00419.54
8.2.110.0030.00619.18
8.2.100.0080.00417.63
8.2.90.0030.00518.98
8.2.80.0000.00917.97
8.2.70.0060.00317.50
8.2.60.0000.00717.93
8.2.50.0000.00818.07
8.2.40.0000.00819.76
8.2.30.0040.00717.91
8.2.20.0000.00717.66
8.2.10.0030.00617.73
8.2.00.0040.00417.63
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0070.00323.89
8.1.230.0040.00817.53
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0000.00917.23
8.1.190.0050.00317.22
8.1.180.0080.00018.10
8.1.170.0050.00319.01
8.1.160.0000.00722.02
8.1.150.0050.00318.62
8.1.140.0050.00217.39
8.1.130.0040.00417.81
8.1.120.0030.00417.27
8.1.110.0040.00417.30
8.1.100.0050.00217.29
8.1.90.0000.00717.34
8.1.80.0040.00417.32
8.1.70.0000.00717.34
8.1.60.0080.00017.47
8.1.50.0000.00717.43
8.1.40.0030.00517.36
8.1.30.0000.00717.53
8.1.20.0040.00417.61
8.1.10.0000.00817.51
8.1.00.0050.00317.21
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0000.00818.29
8.0.270.0030.00717.25
8.0.260.0030.00316.68
8.0.250.0000.00716.93
8.0.240.0050.00316.79
8.0.230.0000.00816.75
8.0.220.0070.00016.72
8.0.210.0030.00316.80
8.0.200.0040.00416.78
8.0.190.0050.00516.88
8.0.180.0000.00716.74
8.0.170.0050.00216.75
8.0.160.0000.00716.88
8.0.150.0000.00716.63
8.0.140.0040.00416.81
8.0.130.0060.00013.32
8.0.120.0030.00616.76
8.0.110.0080.00016.85
8.0.100.0000.00716.62
8.0.90.0000.00816.70
8.0.80.0070.01016.86
8.0.70.0060.00316.79
8.0.60.0000.00716.85
8.0.50.0040.00416.79
8.0.30.0090.00917.00
8.0.20.0050.01417.40
8.0.10.0040.00416.82
8.0.00.0080.00916.79
7.4.330.0050.00015.02
7.4.320.0000.00716.42
7.4.300.0060.00016.45
7.4.290.0030.00316.46
7.4.280.0030.00316.47
7.4.270.0000.00716.41
7.4.260.0030.00316.36
7.4.250.0050.00316.50
7.4.240.0030.00316.51
7.4.230.0000.00716.28
7.4.220.0100.01016.53
7.4.210.0050.00916.48
7.4.200.0080.00016.59
7.4.190.0040.00416.36
7.4.160.0070.01516.46
7.4.150.0070.01017.40
7.4.140.0110.01017.86
7.4.130.0130.00816.45
7.4.120.0050.01216.48
7.4.110.0030.01416.34
7.4.100.0040.01216.50
7.4.90.0120.00616.22
7.4.80.0120.00619.39
7.4.70.0100.00716.57
7.4.60.0180.00616.51
7.4.50.0060.00316.52
7.4.40.0090.00622.77
7.4.30.0030.01316.36
7.4.00.0030.01314.98
7.3.330.0000.00613.26
7.3.320.0030.00313.25
7.3.310.0030.00516.16
7.3.300.0030.00316.29
7.3.290.0040.01216.32
7.3.280.0050.01016.33
7.3.270.0040.01317.40
7.3.260.0070.01016.57
7.3.250.0100.01116.53
7.3.240.0130.01016.64
7.3.230.0130.00716.42
7.3.210.0030.01316.70
7.3.200.0110.00419.39
7.3.190.0130.00616.38
7.3.180.0130.00316.58
7.3.170.0110.00616.39
7.3.160.0130.00316.51
7.3.120.0100.00714.87
7.2.330.0110.00516.25
7.2.320.0030.01416.37
7.2.310.0120.00916.58
7.2.300.0120.00816.70
7.2.290.0040.00416.57
7.2.00.0090.00619.22
7.1.100.0090.00918.25
7.1.70.0030.00717.22
7.1.60.0140.01019.29
7.1.50.0130.01016.83
7.1.00.0030.06322.51
7.0.200.0190.00314.75
7.0.140.0030.07322.15
7.0.60.0030.08319.86
7.0.50.0070.04317.91
7.0.40.0070.05020.38
7.0.30.0200.04320.24
7.0.20.0370.05720.13
7.0.10.0030.09020.07
7.0.00.0130.08020.25
5.6.280.0030.06721.11
5.6.210.0200.06320.51
5.6.200.0000.04318.16
5.6.190.0030.09020.49
5.6.180.0130.04020.51
5.6.170.0230.08020.62
5.6.160.0100.08020.51
5.6.150.0100.03718.18
5.6.140.0030.07318.24
5.6.130.0100.08718.25
5.6.120.0100.08020.99
5.6.110.0100.08321.00
5.6.100.0100.04320.98
5.6.90.0100.08020.98
5.6.80.0070.04020.38
5.6.70.0000.03320.40
5.5.350.0270.07720.38
5.5.340.0100.08317.97
5.5.330.0170.07320.40
5.5.320.0200.04320.52
5.5.310.0270.03320.26
5.5.300.0070.08318.08
5.5.290.0030.04317.94
5.5.280.0070.07720.90
5.5.270.0070.04720.68
5.5.260.0100.07720.87
5.5.250.0130.07020.78
5.5.240.0300.04320.16
5.4.450.1600.04019.55
5.4.440.1530.04319.55
5.4.430.1900.04019.45
5.4.420.1900.04319.63
5.4.410.1900.04019.20
5.4.400.1770.04319.13
5.4.390.1630.03319.06
5.4.380.1570.03718.87
5.4.370.1900.03718.98
5.4.360.1670.04319.09
5.4.350.1930.04318.88
5.4.340.1700.03718.87
5.4.320.1530.04019.06
5.4.310.1570.03719.02
5.4.300.1930.03719.20
5.4.290.1800.04319.21
5.4.280.1670.04019.21
5.4.270.1630.04019.23
5.4.260.1700.04319.00
5.4.250.0870.05019.05
5.4.240.0070.03319.16
5.4.230.0030.03719.23
5.4.220.1430.03719.21
5.4.210.1500.03719.19
5.4.200.1570.04319.23
5.4.190.0770.04719.08
5.4.180.0030.03719.08
5.4.170.0000.04019.23
5.4.160.0000.04018.79
5.4.150.1570.03019.06
5.4.140.1600.03716.33
5.4.130.1830.04016.33
5.4.120.1630.03316.38
5.4.110.1670.03316.19
5.4.100.1470.03716.45
5.4.90.2100.03016.19
5.4.80.0530.03316.18
5.4.70.0030.03316.44
5.4.60.0170.04316.51
5.4.50.1370.03716.25
5.4.40.1370.03716.43
5.4.30.1400.03716.22
5.4.20.1430.03316.33
5.4.10.1400.04316.30
5.4.00.1500.03316.11
5.3.290.1670.03714.55
5.3.280.1600.03314.50
5.3.270.1300.03714.60
5.3.260.0470.04714.68
5.3.250.0030.03714.71
5.3.240.0030.03714.75
5.3.230.0570.04014.60
5.3.220.1670.03314.54
5.3.210.1430.04014.64
5.3.200.0070.03314.54
5.3.190.0000.04014.49
5.3.180.0830.04314.64
5.3.170.1670.02714.61
5.3.160.1930.03314.55
5.3.150.1800.03714.53
5.3.140.1730.03314.55
5.3.130.1770.04714.51
5.3.120.1500.03714.50
5.3.110.1830.04314.56
5.3.100.1670.02713.95
5.3.90.1330.03013.95
5.3.80.1500.04713.91
5.3.70.1170.04014.02
5.3.60.1530.03714.23
5.3.50.1230.04313.84
5.3.40.1600.04713.87
5.3.30.1470.04313.88
5.3.20.1370.02713.66
5.3.10.1330.03313.88
5.3.00.1270.04013.74
5.2.170.1300.03011.29
5.2.160.1430.03711.26
5.2.150.1530.03311.04
5.2.140.1630.03311.11
5.2.130.1400.03311.12
5.2.120.1500.03311.10
5.2.110.1530.03711.07
5.2.100.1300.03011.23
5.2.90.1330.02711.05
5.2.80.1500.03711.11
5.2.70.1330.02711.14
5.2.60.1500.03710.97
5.2.50.1330.03311.02
5.2.40.1300.03311.14
5.2.30.1030.03011.19
5.2.20.1030.03010.93
5.2.10.1230.03010.91
5.2.00.1130.02310.82
5.1.60.1300.0309.92
5.1.50.1070.0279.91
5.1.40.1270.03010.04
5.1.30.1170.02310.56
5.1.20.1170.03010.40
5.1.10.1270.0379.96
5.1.00.1300.03310.14
5.0.50.0530.0208.47
5.0.40.0670.0338.30
5.0.30.0730.0478.30
5.0.20.0630.0178.15
5.0.10.0500.0238.29
5.0.00.0630.0378.16
4.4.90.0630.0277.11
4.4.80.0530.0207.11
4.4.70.0500.0207.11
4.4.60.0530.0137.11
4.4.50.0730.0237.11
4.4.40.0700.0337.11
4.4.30.0630.0237.11
4.4.20.0730.0237.11
4.4.10.0700.0277.11
4.4.00.0700.0337.11
4.3.110.0530.0137.11
4.3.100.0700.0237.11
4.3.90.0530.0177.11
4.3.80.0670.0377.11
4.3.70.0630.0137.11
4.3.60.0800.0207.11
4.3.50.0670.0237.11
4.3.40.0670.0307.11
4.3.30.0370.0237.11
4.3.20.0270.0177.11
4.3.10.0370.0337.11
4.3.00.0330.0207.11

preferences:
43.87 ms | 400 KiB | 5 Q