3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Connection {} class Singleton{ static public function get_instance(){ static $i; $i ?: $i = new Connection(); return $i; } } class A extends Singleton{} class B extends A{} var_dump(A::get_instance()); var_dump(B::get_instance());

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)
8.3.60.0110.00318.43
8.3.50.0120.00921.91
8.3.40.0070.01018.68
8.3.30.0040.01219.22
8.3.20.0040.00420.33
8.3.10.0030.00623.45
8.3.00.0050.00320.96
8.2.180.0160.00318.16
8.2.170.0030.01022.96
8.2.160.0100.00520.39
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0050.00219.66
8.2.110.0080.00320.36
8.2.100.0110.00019.52
8.2.90.0000.00817.74
8.2.80.0000.00919.66
8.2.70.0000.00917.93
8.2.60.0040.00418.09
8.2.50.0030.00618.10
8.2.40.0000.00921.02
8.2.30.0000.00719.23
8.2.20.0040.00417.68
8.2.10.0000.00817.97
8.2.00.0000.00817.68
8.1.280.0180.00425.92
8.1.270.0090.00018.88
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0070.01122.47
8.1.230.0090.00319.15
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0040.00417.23
8.1.180.0030.00618.10
8.1.170.0000.00818.49
8.1.160.0000.00718.95
8.1.150.0000.00718.86
8.1.140.0080.00017.49
8.1.130.0070.00017.82
8.1.120.0000.00817.39
8.1.110.0070.00017.47
8.1.100.0030.00417.29
8.1.90.0080.00017.44
8.1.80.0040.00417.43
8.1.70.0030.00317.45
8.1.60.0060.00317.61
8.1.50.0040.00417.49
8.1.40.0030.00517.39
8.1.30.0040.00417.61
8.1.20.0040.00417.61
8.1.10.0040.00417.62
8.1.00.0080.00017.48
8.0.300.0040.00419.79
8.0.290.0040.00416.75
8.0.280.0000.00718.45
8.0.270.0030.00317.30
8.0.260.0060.00017.17
8.0.250.0030.00317.02
8.0.240.0000.00716.99
8.0.230.0040.00416.95
8.0.220.0000.00716.77
8.0.210.0000.00716.76
8.0.200.0000.00616.79
8.0.190.0040.00416.86
8.0.180.0040.00416.92
8.0.170.0030.00616.99
8.0.160.0030.00416.98
8.0.150.0070.00316.73
8.0.140.0050.00316.94
8.0.130.0030.00313.31
8.0.120.0030.00516.87
8.0.110.0070.00016.86
8.0.100.0070.00016.86
8.0.90.0000.00816.80
8.0.80.0080.00816.88
8.0.70.0050.00216.76
8.0.60.0040.00416.80
8.0.50.0040.00416.95
8.0.30.0090.01317.10
8.0.20.0110.00717.40
8.0.10.0040.00416.81
8.0.00.0070.01216.79
7.4.330.0000.00515.03
7.4.320.0000.00616.64
7.4.300.0030.00316.57
7.4.290.0000.00716.62
7.4.280.0040.00416.51
7.4.270.0030.00316.69
7.4.260.0060.00316.50
7.4.250.0050.00316.45
7.4.240.0030.00516.57
7.4.230.0070.00016.38
7.4.220.0060.01316.55
7.4.210.0030.01616.55
7.4.200.0000.00716.48
7.4.160.0080.00816.59
7.4.150.0090.00917.40
7.4.140.0140.00517.86
7.4.130.0040.01416.59
7.4.120.0040.01116.57
7.4.110.0110.00616.63
7.4.100.0100.01316.46
7.4.90.0080.00916.48
7.4.80.0090.01219.39
7.4.70.0100.00916.25
7.4.60.0030.01316.64
7.4.50.0030.00516.36
7.4.40.0080.00216.54
7.4.30.0060.01616.43
7.4.00.0070.00714.77
7.3.330.0000.00613.34
7.3.320.0000.00513.22
7.3.310.0030.00316.45
7.3.300.0030.00316.27
7.3.290.0070.00616.28
7.3.280.0090.01116.35
7.3.270.0160.00717.40
7.3.260.0120.00616.38
7.3.250.0120.00516.30
7.3.240.0000.02116.30
7.3.230.0070.01016.45
7.3.210.0130.00316.43
7.3.200.0100.01019.39
7.3.190.0120.00316.36
7.3.180.0100.01016.27
7.3.170.0140.00616.48
7.3.160.0100.00716.30
7.3.10.0060.00816.40
7.3.00.0090.00416.33
7.2.330.0090.00916.37
7.2.320.0090.01316.63
7.2.310.0030.01416.62
7.2.300.0080.00816.63
7.2.290.0120.00916.47
7.2.130.0070.00516.53
7.2.120.0120.00616.35
7.2.110.0010.01216.67
7.2.100.0080.00716.56
7.2.90.0070.00416.72
7.2.80.0040.01116.72
7.2.70.0050.00616.52
7.2.60.0070.01016.65
7.2.50.0110.00616.50
7.2.40.0080.00816.61
7.2.30.0080.00716.65
7.2.20.0060.00916.45
7.2.10.0050.01116.64
7.2.00.0060.00817.46
7.1.250.0040.00715.57
7.1.240.0100.00715.78
7.1.230.0120.00015.49
7.1.220.0030.00715.70
7.1.210.0070.00715.70
7.1.200.0080.00515.62
7.1.190.0090.00315.88
7.1.180.0080.00015.73
7.1.170.0040.00815.60
7.1.160.0060.00615.52
7.1.150.0100.00315.78
7.1.140.0110.00415.54
7.1.130.0060.00615.73
7.1.120.0040.01115.71
7.1.110.0040.01115.69
7.1.100.0020.01316.97
7.1.90.0000.00815.68
7.1.80.0000.01215.89
7.1.70.0050.00516.39
7.1.60.0090.00717.48
7.1.50.0160.00825.17
7.1.40.0090.00315.88
7.1.30.0070.00715.49
7.1.20.0060.00615.60
7.1.10.0030.01215.50
7.1.00.0090.03719.19
7.0.330.0100.00315.50
7.0.320.0000.01615.52
7.0.310.0060.00315.24
7.0.300.0090.00315.30
7.0.290.0040.00715.42
7.0.280.0060.00615.48
7.0.270.0090.00615.15
7.0.260.0040.00415.22
7.0.250.0030.01415.33
7.0.240.0060.01215.39
7.0.230.0030.00915.20
7.0.220.0040.00815.49
7.0.210.0030.01015.36
7.0.200.0050.00715.90
7.0.190.0000.01215.40
7.0.180.0100.00315.48
7.0.170.0030.00715.25
7.0.160.0030.01315.18
7.0.150.0060.01015.50
7.0.140.0060.03518.76
7.0.130.0110.00015.21
7.0.120.0000.01315.13
7.0.110.0060.00315.47
7.0.100.0040.00415.23
7.0.90.0070.00015.51
7.0.80.0030.00815.32
7.0.70.0000.00915.21
7.0.60.0120.04117.64
7.0.50.0070.02316.65
7.0.40.0070.03116.82
7.0.30.0140.02216.75
7.0.20.0080.03016.82
7.0.10.0050.02516.69
7.0.00.0130.03616.64
5.6.380.0030.00614.35
5.6.370.0070.00714.42
5.6.360.0100.00314.27
5.6.350.0060.00614.33
5.6.340.0000.01514.16
5.6.330.0030.01014.39
5.6.320.0030.01014.42
5.6.310.0070.00314.13
5.6.300.0090.00614.33
5.6.290.0090.00314.07
5.6.280.0030.04017.70
5.6.270.0080.00414.21
5.6.260.0030.00614.41
5.6.250.0050.00514.30
5.6.240.0030.01014.29
5.6.230.0110.00414.13
5.6.220.0030.01014.30
5.6.210.0100.04217.44
5.6.200.0050.03416.12
5.6.190.0030.02717.38
5.6.180.0170.02817.34
5.6.170.0100.02717.35
5.6.160.0050.03617.48
5.6.150.0030.02616.10
5.6.140.0110.01916.27
5.6.130.0050.04816.28
5.6.120.0070.04217.65
5.6.110.0070.03717.62
5.6.100.0090.02217.51
5.6.90.0060.03517.70
5.6.80.0050.02217.37
5.6.70.0030.01014.09
5.6.60.0090.00914.31
5.6.50.0030.01214.17
5.6.40.0040.01114.00
5.6.30.0060.00614.26
5.6.20.0160.00014.32
5.6.10.0100.00314.20
5.6.00.0120.00414.14
5.5.380.0060.00711.25
5.5.370.0090.00410.84
5.5.360.0080.00510.97
5.5.350.0090.02115.85
5.5.340.0040.02714.67
5.5.330.0070.02315.51
5.5.320.0100.04015.84
5.5.310.0200.02515.79
5.5.300.0050.04214.57
5.5.290.0130.03714.65
5.5.280.0070.03815.93
5.5.270.0070.03715.99
5.5.260.0080.04715.97
5.5.250.0120.04015.88
5.5.240.0040.03915.62
5.5.230.0040.00710.76
5.5.220.0050.00510.97
5.5.210.0040.00711.07
5.5.200.0050.00311.22
5.5.190.0060.00311.27
5.5.180.0100.00310.93
5.5.170.0030.00911.21
5.5.160.0060.00611.20
5.5.150.0060.00610.96
5.5.140.0060.00610.69
5.5.130.0070.00710.79
5.5.120.0040.00410.97
5.5.110.0080.00010.89
5.5.100.0070.00410.89
5.5.90.0090.00310.73
5.5.80.0070.00410.80
5.5.70.0050.00310.75
5.5.60.0030.00611.13
5.5.50.0060.00011.05
5.5.40.0000.01111.14
5.5.30.0090.00310.98
5.5.20.0040.00411.24
5.5.10.0000.00911.11
5.5.00.0040.00811.21
5.4.450.0050.03615.03
5.4.440.0330.02715.23
5.4.430.0100.03715.01
5.4.420.0130.02715.21
5.4.410.0100.02815.12
5.4.400.0050.03114.98
5.4.390.0160.02114.84
5.4.380.0530.02514.80
5.4.370.0480.03314.75
5.4.360.0370.03314.74
5.4.350.0520.03714.74
5.4.340.0520.02714.82
5.4.330.0060.00610.63
5.4.320.0450.03214.69
5.4.310.0470.02714.56
5.4.300.0450.03514.73
5.4.290.0470.02814.74
5.4.280.0480.03514.75
5.4.270.0470.03214.76
5.4.260.0400.03514.54
5.4.250.0550.03214.91
5.4.240.0470.02514.58
5.4.230.0430.03214.62
5.4.220.0470.03614.70
5.4.210.0550.03214.60
5.4.200.0460.02913.87
5.4.190.0460.02614.63
5.4.180.0420.03514.82
5.4.170.0620.03914.77
5.4.160.0580.03314.91
5.4.150.0480.04414.71
5.4.140.0470.03413.64
5.4.130.0530.02613.67
5.4.120.0560.02813.63
5.4.110.0630.03713.60
5.4.100.0470.03513.51
5.4.90.0450.03613.60
5.4.80.0540.03913.65
5.4.70.0610.03113.62
5.4.60.0550.03713.58
5.4.50.0530.03313.50
5.4.40.0450.03413.55
5.4.30.0480.02813.66
5.4.20.0480.02713.54
5.4.10.0430.03013.65
5.4.00.0480.02813.24
5.3.290.0500.02612.58
5.3.280.0430.03112.52
5.3.270.0470.03112.60
5.3.260.0430.03312.60
5.3.250.0500.02712.68
5.3.240.0450.03012.59
5.3.230.0490.02612.74
5.3.220.0480.03012.54
5.3.210.0500.02812.58
5.3.200.0520.02312.58
5.3.190.0500.02512.55
5.3.180.0480.02712.63
5.3.170.0430.03212.49
5.3.160.0520.02312.59
5.3.150.0450.03012.55
5.3.140.0530.02512.54
5.3.130.0450.03212.53
5.3.120.0420.03312.48
5.3.110.0490.02712.57
5.3.100.0480.02612.30
5.3.90.0480.02612.35
5.3.80.0480.03012.22
5.3.70.0460.03012.17
5.3.60.0480.03212.42
5.3.50.0490.02712.30
5.3.40.0490.02812.27
5.3.30.0490.03012.25
5.3.20.0530.02612.14
5.3.10.0590.03011.91
5.3.00.0450.02812.06
5.2.170.0380.02310.26
5.2.160.0350.02610.31
5.2.150.0460.02210.29
5.2.140.0400.02310.25
5.2.130.0410.01810.17
5.2.120.0370.02810.25
5.2.110.0400.02310.10
5.2.100.0480.02910.27
5.2.90.0410.02110.20
5.2.80.0420.02110.17
5.2.70.0410.02310.18
5.2.60.0350.02910.10
5.2.50.0400.02310.05
5.2.40.0340.02110.00
5.2.30.0320.02110.20
5.2.20.0350.01910.12
5.2.10.0270.0289.97
5.2.00.0320.0229.87
5.1.60.0310.0209.36
5.1.50.0300.0219.31
5.1.40.0300.0239.28
5.1.30.0280.0259.46
5.1.20.0320.0209.44
5.1.10.0280.0229.32
5.1.00.0330.0179.31
5.0.50.0150.0178.61
5.0.40.0130.0198.52
5.0.30.0200.0208.45
5.0.20.0180.0138.45
5.0.10.0150.0198.45
5.0.00.0130.0258.45
4.4.90.0180.0128.45
4.4.80.0170.0128.45
4.4.70.0160.0138.45
4.4.60.0170.0108.45
4.4.50.0150.0158.45
4.4.40.0150.0208.45
4.4.30.0180.0108.45
4.4.20.0170.0128.45
4.4.10.0180.0108.45
4.4.00.0130.0208.45
4.3.110.0130.0158.45
4.3.100.0130.0158.45
4.3.90.0150.0148.45
4.3.80.0170.0228.45
4.3.70.0180.0128.45
4.3.60.0160.0118.45
4.3.50.0150.0158.45
4.3.40.0150.0208.45
4.3.30.0070.0138.45
4.3.20.0120.0108.45
4.3.10.0080.0138.45
4.3.00.0010.0138.06

preferences:
54.56 ms | 401 KiB | 5 Q