3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { const U = 'Y'; public static function getStatic(){ return static::U; } public static function getSelf(){ return self::U; } } class B extends A { const U = 'X'; } echo "static::U gives: " . B::getStatic() . '\n'; echo "self::U gives: " . B::getSelf() . '\n';

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)
8.3.60.0110.00618.18
8.3.50.0140.00521.87
8.3.40.0030.01118.79
8.3.30.0120.00619.22
8.3.20.0080.00020.29
8.3.10.0000.00823.52
8.3.00.0080.00019.13
8.2.180.0090.00618.34
8.2.170.0100.00722.96
8.2.160.0060.00620.38
8.2.150.0100.00024.18
8.2.140.0000.00724.66
8.2.130.0050.00326.16
8.2.120.0080.00022.23
8.2.110.0070.01122.07
8.2.100.0090.00317.78
8.2.90.0090.00017.63
8.2.80.0070.00317.97
8.2.70.0050.00317.93
8.2.60.0030.00517.91
8.2.50.0170.00018.10
8.2.40.0080.00020.59
8.2.30.0000.00717.94
8.2.20.0000.00717.67
8.2.10.0020.00517.98
8.2.00.0000.00717.68
8.1.280.0120.00625.92
8.1.270.0050.00322.08
8.1.260.0090.00026.35
8.1.250.0050.00228.09
8.1.240.0060.00322.38
8.1.230.0060.00619.15
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.34
8.1.190.0000.00817.00
8.1.180.0040.00418.10
8.1.170.0000.00818.63
8.1.160.0040.00422.07
8.1.150.0070.00018.70
8.1.140.0070.00017.39
8.1.130.0070.00017.67
8.1.120.0030.00317.45
8.1.110.0060.00317.40
8.1.100.0000.00717.27
8.1.90.0080.00017.43
8.1.80.0050.00217.45
8.1.70.0070.00017.36
8.1.60.0060.00317.41
8.1.50.0000.00717.46
8.1.40.0000.00917.33
8.1.30.0030.00617.48
8.1.20.0050.00317.50
8.1.10.0050.00317.42
8.1.00.0000.00717.44
8.0.300.0050.00319.79
8.0.290.0030.00516.75
8.0.280.0000.00718.36
8.0.270.0030.00317.93
8.0.260.0060.00018.37
8.0.250.0030.00316.83
8.0.240.0050.00216.88
8.0.230.0030.00316.99
8.0.220.0040.00416.85
8.0.210.0030.00316.89
8.0.200.0030.00316.93
8.0.190.0080.00017.00
8.0.180.0070.00016.97
8.0.170.0030.00616.92
8.0.160.0030.00616.88
8.0.150.0060.00316.80
8.0.140.0070.00016.84
8.0.130.0050.00013.29
8.0.120.0040.00416.80
8.0.110.0040.00416.68
8.0.100.0080.00016.78
8.0.90.0000.00716.85
8.0.80.0150.00616.83
8.0.70.0000.00716.77
8.0.60.0070.00016.85
8.0.50.0050.00316.61
8.0.30.0130.00617.25
8.0.20.0090.01217.40
8.0.10.0040.00417.07
8.0.00.0110.00716.75
7.4.330.0020.00215.00
7.4.320.0070.00016.58
7.4.300.0040.00416.41
7.4.290.0070.00016.46
7.4.280.0000.00716.53
7.4.270.0000.00816.55
7.4.260.0040.00416.52
7.4.250.0040.00416.41
7.4.240.0030.00516.46
7.4.230.0000.00716.42
7.4.220.0160.00316.62
7.4.210.0120.00616.55
7.4.200.0070.00016.36
7.4.160.0060.01416.50
7.4.150.0040.01317.40
7.4.140.0070.01217.86
7.4.130.0090.01216.54
7.4.120.0100.00616.48
7.4.110.0060.01516.40
7.4.100.0090.00916.52
7.4.90.0150.00416.41
7.4.80.0110.00719.39
7.4.70.0140.00316.27
7.4.60.0070.01016.52
7.4.50.0040.00416.34
7.4.40.0100.00616.38
7.4.30.0040.01216.31
7.4.00.0080.00814.94
7.3.330.0050.00013.33
7.3.320.0060.00013.18
7.3.310.0000.00716.33
7.3.300.0000.00716.31
7.3.290.0100.00716.29
7.3.280.0080.01016.28
7.3.270.0040.01217.40
7.3.260.0080.00816.03
7.3.250.0110.00716.36
7.3.240.0120.01216.55
7.3.230.0070.01016.39
7.3.210.0070.01016.20
7.3.200.0100.00719.39
7.3.190.0150.00616.21
7.3.180.0090.00616.58
7.3.170.0090.00916.48
7.3.160.0080.00916.21
7.3.120.0000.01814.97
7.3.110.0070.01414.69
7.3.100.0030.00914.70
7.3.90.0040.00814.76
7.3.80.0060.00914.57
7.3.70.0080.00614.91
7.3.60.0130.00614.78
7.3.50.0100.00314.79
7.3.40.0030.01014.63
7.3.30.0090.00614.63
7.3.20.0040.00716.65
7.3.10.0070.00716.83
7.3.00.0060.00916.86
7.2.330.0030.01416.35
7.2.320.0060.01116.61
7.2.310.0090.00916.66
7.2.300.0100.00616.48
7.2.290.0040.01816.50
7.2.250.0070.01415.20
7.2.240.0090.00914.73
7.2.230.0060.00914.89
7.2.220.0000.01014.89
7.2.210.0070.00715.16
7.2.200.0080.00814.81
7.2.190.0030.01614.93
7.2.180.0060.01015.05
7.2.170.0060.00614.88
7.2.120.0060.00816.39
7.2.110.0100.00316.50
7.2.100.0040.00416.55
7.2.90.0040.00716.46
7.2.80.0150.00016.74
7.2.70.0070.00716.81
7.2.60.0060.00317.03
7.2.50.0030.00716.78
7.2.40.0070.01016.78
7.2.30.0080.00516.82
7.2.20.0060.00916.88
7.2.10.0070.00716.83
7.2.00.0010.01018.02
7.1.330.0040.00715.45
7.1.320.0070.01015.61
7.1.310.0080.00815.36
7.1.300.0160.00315.58
7.1.290.0060.01215.65
7.1.280.0070.00715.71
7.1.270.0080.00315.70
7.1.260.0110.00415.66
7.1.240.0090.00615.60
7.1.230.0060.00615.55
7.1.220.0100.00315.50
7.1.210.0040.01115.82
7.1.200.0000.01115.80
7.1.190.0090.00615.73
7.1.180.0060.00615.68
7.1.170.0000.01315.75
7.1.160.0070.00715.49
7.1.150.0040.01115.59
7.1.140.0040.00415.72
7.1.130.0060.00315.73
7.1.120.0030.00915.75
7.1.110.0100.00315.74
7.1.100.0050.00616.90
7.1.90.0030.00815.68
7.1.80.0040.00715.62
7.1.70.0050.00716.31
7.1.60.0050.01317.49
7.1.50.0080.00516.19
7.1.40.0000.01215.78
7.1.30.0040.00815.89
7.1.20.0090.00615.85
7.1.10.0040.01115.79
7.1.00.0090.03719.06
7.0.320.0070.00715.38
7.0.310.0040.01215.26
7.0.300.0040.01115.49
7.0.290.0030.00715.36
7.0.280.0040.00415.42
7.0.270.0070.00715.31
7.0.260.0060.00615.39
7.0.250.0060.00315.48
7.0.240.0070.00715.07
7.0.230.0030.00515.27
7.0.220.0030.01015.49
7.0.210.0060.00615.32
7.0.200.0050.00616.03
7.0.190.0080.00315.35
7.0.180.0130.00315.41
7.0.170.0030.01015.47
7.0.160.0100.00315.43
7.0.150.0060.00315.19
7.0.140.0070.03818.61
7.0.130.0030.00915.23
7.0.120.0000.00815.30
7.0.110.0060.00615.49
7.0.100.0060.00915.47
7.0.90.0040.00415.45
7.0.80.0070.00715.42
7.0.70.0000.00815.31
7.0.60.0050.03917.68
7.0.50.0100.03016.64
7.0.40.0080.04516.69
7.0.30.0170.03816.68
7.0.20.0200.04416.94
7.0.10.0070.03216.75
7.0.00.0050.03716.80
5.6.380.0120.00314.23
5.6.370.0120.00314.04
5.6.360.0000.01114.25
5.6.350.0030.01314.33
5.6.340.0030.01014.45
5.6.330.0030.00914.48
5.6.320.0070.00714.55
5.6.310.0110.00414.12
5.6.300.0130.00014.23
5.6.290.0060.01014.13
5.6.280.0030.01214.41
5.6.270.0100.00314.24
5.6.260.0070.00614.11
5.6.250.0060.00614.04
5.6.240.0040.01114.12
5.6.230.0060.00914.11
5.6.220.0030.01014.61
5.6.210.0070.04217.51
5.6.200.0080.04416.21
5.6.190.0030.02817.52
5.6.180.0180.04017.48
5.6.170.0200.03717.33
5.6.160.0130.02517.28
5.6.150.0080.02216.12
5.6.140.0070.02516.27
5.6.130.0100.04316.27
5.6.120.0050.02317.55
5.6.110.0060.03117.59
5.6.100.0050.03817.59
5.6.90.0050.04017.55
5.6.80.0050.04417.20
5.6.70.0130.00314.28
5.6.60.0060.00614.41
5.6.50.0110.00414.28
5.6.40.0070.00714.13
5.6.30.0000.01414.08
5.6.20.0090.00614.18
5.6.10.0040.00414.29
5.6.00.0040.01113.98
5.5.380.0030.00311.27
5.5.370.0080.00411.27
5.5.360.0000.00511.27
5.5.350.0030.03715.90
5.5.340.0080.03814.63
5.5.330.0080.02815.87
5.5.320.0230.03815.82
5.5.310.0160.03115.80
5.5.300.0020.04314.63
5.5.290.0000.02714.60
5.5.280.0030.03416.10
5.5.270.0020.03116.08
5.5.260.0000.04116.06
5.5.250.0050.02415.98
5.5.240.0150.03815.71
5.5.230.0030.00311.27
5.5.220.0070.00411.27
5.5.210.0000.00611.27
5.5.200.0040.00811.27
5.5.190.0080.00411.27
5.5.180.0100.00011.27
5.5.170.0000.01414.02
5.5.160.0030.00911.27
5.5.150.0000.00611.27
5.5.140.0060.00611.27
5.5.130.0040.00711.27
5.5.120.0000.00611.27
5.5.110.0030.00711.27
5.5.100.0040.00711.27
5.5.90.0030.00711.27
5.5.80.0030.00911.27
5.5.70.0030.00911.27
5.5.60.0090.00311.27
5.5.50.0080.00411.27
5.5.40.0090.00311.27
5.5.30.0030.00311.27
5.5.20.0100.00011.27
5.5.10.0040.00811.27
5.5.00.0000.00911.27
5.4.450.0470.03215.36
5.4.440.0450.03415.47
5.4.430.0410.03415.34
5.4.420.0350.00215.32
5.4.410.0320.00615.36
5.4.400.0340.00015.17
5.4.390.0350.00015.14
5.4.380.0320.00515.21
5.4.370.0320.00615.17
5.4.360.0310.00115.19
5.4.350.0350.00315.20
5.4.340.0060.01811.64
5.4.330.0030.00711.27
5.4.320.0050.02311.88
5.4.310.0050.03011.88
5.4.300.0060.02411.88
5.4.290.0050.02511.88
5.4.280.0050.02011.83
5.4.270.0020.02311.83
5.4.260.0080.02111.83
5.4.250.0010.02711.83
5.4.240.0050.02111.83
5.4.230.0070.02011.83
5.4.220.0030.02211.83
5.4.210.0050.02111.83
5.4.200.0050.02911.83
5.4.190.0060.02211.83
5.4.180.0040.02111.83
5.4.170.0050.02211.83
5.4.160.0050.02211.83
5.4.150.0040.03211.83
5.4.140.0050.02511.67
5.4.130.0070.02011.67
5.4.120.0020.02911.64
5.4.110.0040.02211.64
5.4.100.0040.02411.64
5.4.90.0070.02111.64
5.4.80.0080.01811.64
5.4.70.0050.02111.64
5.4.60.0050.02211.64
5.4.50.0080.01811.64
5.4.40.0030.02211.63
5.4.30.0020.02411.63
5.4.20.0030.02311.63
5.4.10.0050.02111.63
5.4.00.0080.01811.38
5.3.290.0060.02512.04
5.3.280.0020.02411.99
5.3.270.0030.02612.00
5.3.260.0060.02211.99
5.3.250.0060.01912.00
5.3.240.0050.02412.00
5.3.230.0020.02211.99
5.3.220.0050.02311.97
5.3.210.0080.02011.97
5.3.200.0050.02011.98
5.3.190.0040.02211.97
5.3.180.0080.02011.97
5.3.170.0070.02611.97
5.3.160.0060.02611.97
5.3.150.0070.02611.97
5.3.140.0040.02911.97
5.3.130.0040.02311.96
5.3.120.0070.02611.96
5.3.110.0070.02611.96
5.3.100.0050.02111.70
5.3.90.0050.02011.69
5.3.80.0070.02011.68
5.3.70.0080.01911.68
5.3.60.0030.02411.67
5.3.50.0060.01911.65
5.3.40.0060.02611.65
5.3.30.0090.02211.63
5.3.20.0030.02511.52
5.3.10.0040.02411.50
5.3.00.0040.02611.49
5.2.170.0040.01910.24
5.2.160.0050.01610.25
5.2.150.0070.01610.24
5.2.140.0030.01910.24
5.2.130.0040.01710.22
5.2.120.0040.01710.22
5.2.110.0040.01810.22
5.2.100.0020.01710.22
5.2.90.0020.01910.22
5.2.80.0020.01910.22
5.2.70.0050.01910.22
5.2.60.0050.01810.20
5.2.50.0040.01610.18
5.2.40.0040.01610.17
5.2.30.0020.02010.16
5.2.20.0050.01610.15
5.2.10.0040.01810.11
5.2.00.0060.01510.04
5.1.60.0050.0159.68
5.1.50.0030.0149.68
5.1.40.0050.0139.67
5.1.30.0020.0179.85
5.1.20.0050.0159.85
5.1.10.0050.0139.72
5.1.00.0040.0169.71
5.0.50.0050.0128.96
5.0.40.0020.0128.88
5.0.30.0040.0158.79
5.0.20.0030.0118.77
5.0.10.0030.0118.76
5.0.00.0040.0168.76
4.4.90.0030.0108.02
4.4.80.0040.0088.01
4.4.70.0030.0118.01
4.4.60.0050.0078.01
4.4.50.0010.0108.02
4.4.40.0030.0147.99
4.4.30.0020.0098.02
4.4.20.0010.0128.06
4.4.10.0040.0098.06
4.4.00.0010.0188.01
4.3.110.0020.0127.97
4.3.100.0010.0097.97
4.3.90.0020.0087.95
4.3.80.0040.0127.93
4.3.70.0020.0097.95
4.3.60.0030.0097.95
4.3.50.0020.0107.95
4.3.40.0040.0127.90
4.3.30.0020.0107.28
4.3.20.0030.0107.27
4.3.10.0040.0127.25
4.3.00.0080.0139.23

preferences:
45.49 ms | 400 KiB | 5 Q