3v4l.org

run code in 300+ PHP versions simultaneously
<?php function g($x=0){static$s;return $x?$s.$x:[$s='g',function($y=0){return g($y);}][1];} // g()('al'); $x=g();echo $x('al'); /* echo g('al') , PHP_EOL; echo g()('al') , PHP_EOL; echo g()()('al') , PHP_EOL; echo g()()()('al') , PHP_EOL; */

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)
8.3.60.0040.01516.74
8.3.50.0040.01622.82
8.3.40.0140.00018.59
8.3.30.0080.00619.05
8.3.20.0070.00020.13
8.3.10.0050.00323.68
8.3.00.0030.00517.75
8.2.180.0160.00316.50
8.2.170.0090.00622.96
8.2.160.0110.00720.52
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0060.00326.16
8.2.120.0000.00720.89
8.2.110.0060.00322.17
8.2.100.0070.00417.96
8.2.90.0000.00919.35
8.2.80.0030.00517.97
8.2.70.0000.00917.75
8.2.60.0070.00318.03
8.2.50.0080.00018.07
8.2.40.0040.00418.34
8.2.30.0040.00418.00
8.2.20.0000.00717.74
8.2.10.0020.00518.08
8.2.00.0000.00717.74
8.1.280.0070.00725.92
8.1.270.0060.00323.88
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0060.00322.01
8.1.230.0070.00419.11
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0090.00017.35
8.1.190.0030.00617.22
8.1.180.0030.00618.10
8.1.170.0030.00618.66
8.1.160.0080.00022.02
8.1.150.0040.00418.89
8.1.140.0000.00717.42
8.1.130.0000.00717.77
8.1.120.0040.00417.43
8.1.110.0030.00517.45
8.1.100.0000.00717.50
8.1.90.0040.00417.45
8.1.80.0040.00417.42
8.1.70.0030.00317.40
8.1.60.0030.00617.46
8.1.50.0040.00417.55
8.1.40.0000.00717.57
8.1.30.0000.00817.61
8.1.20.0000.00717.65
8.1.10.0000.00817.45
8.1.00.0000.00717.48
8.0.300.0030.00518.77
8.0.290.0040.00416.75
8.0.280.0070.00018.44
8.0.270.0050.00217.13
8.0.260.0030.00317.12
8.0.250.0040.00416.84
8.0.240.0000.00816.84
8.0.230.0000.00716.84
8.0.220.0030.00316.84
8.0.210.0000.00816.88
8.0.200.0060.00016.79
8.0.190.0050.00516.84
8.0.180.0040.00416.82
8.0.170.0050.00316.79
8.0.160.0000.00716.88
8.0.150.0040.00316.79
8.0.140.0050.00616.82
8.0.130.0000.00613.35
8.0.120.0040.00416.75
8.0.110.0040.00416.80
8.0.100.0050.00316.75
8.0.90.0030.00316.69
8.0.80.0150.00616.76
8.0.70.0050.00216.91
8.0.60.0000.00816.95
8.0.50.0040.00416.70
8.0.30.0120.01117.24
8.0.20.0100.01017.40
8.0.10.0030.00516.84
8.0.00.0100.00816.78
7.4.330.0000.00515.09
7.4.320.0070.00016.50
7.4.300.0030.00316.35
7.4.290.0040.00416.55
7.4.280.0100.00016.58
7.4.270.0030.00316.49
7.4.260.0000.00716.35
7.4.250.0000.00816.55
7.4.240.0050.00216.48
7.4.230.0030.00316.45
7.4.220.0090.00916.59
7.4.210.0090.00616.59
7.4.200.0000.00816.43
7.4.160.0030.01316.43
7.4.150.0070.01117.40
7.4.140.0110.00917.86
7.4.130.0060.01516.55
7.4.120.0110.01016.56
7.4.110.0130.00416.54
7.4.100.0080.00816.48
7.4.90.0120.00616.59
7.4.80.0180.00419.39
7.4.70.0080.00916.56
7.4.60.0130.00316.38
7.4.50.0040.00016.35
7.4.40.0070.01016.37
7.4.30.0030.01316.46
7.4.00.0030.00914.84
7.3.330.0060.00013.23
7.3.320.0030.00313.32
7.3.310.0030.00316.26
7.3.300.0000.00716.39
7.3.290.0120.00316.37
7.3.280.0100.00616.30
7.3.270.0110.00617.40
7.3.260.0140.00416.62
7.3.250.0130.00616.37
7.3.240.0090.01016.53
7.3.230.0060.01216.39
7.3.210.0120.00916.36
7.3.200.0100.01319.39
7.3.190.0130.00316.57
7.3.180.0130.00616.34
7.3.170.0070.01016.35
7.3.160.0060.01016.50
7.3.10.0040.00816.70
7.3.00.0070.00416.33
7.2.330.0050.01316.79
7.2.320.0030.01316.54
7.2.310.0100.00716.64
7.2.300.0110.00716.84
7.2.290.0060.01016.79
7.2.130.0030.01217.01
7.2.120.0030.01016.79
7.2.110.0080.00416.70
7.2.100.0050.00516.77
7.2.90.0070.00716.64
7.2.80.0060.00616.79
7.2.70.0060.00316.99
7.2.60.0020.01216.88
7.2.50.0040.01117.02
7.2.40.0060.00316.70
7.2.30.0090.00617.08
7.2.20.0050.00516.97
7.2.10.0030.00917.02
7.2.00.0030.01018.16
7.1.250.0070.00415.84
7.1.200.0040.00415.73
7.1.100.0030.00817.93
7.1.70.0070.00017.26
7.1.60.0030.01419.40
7.1.50.0160.00716.99
7.1.00.0030.07722.37
7.0.200.0000.00716.48
7.0.140.0070.07022.12
7.0.120.0070.07721.90
7.0.110.0100.07721.94
7.0.100.0000.07721.96
7.0.90.0030.08321.93
7.0.80.0030.08021.98
7.0.70.0070.06021.97
7.0.60.0100.07721.96
7.0.50.0030.06721.93
7.0.40.0070.06019.98
7.0.30.0000.07319.96
7.0.20.0070.05019.92
7.0.10.0100.06719.98
7.0.00.0100.07720.00
5.6.280.0000.07721.14
5.6.270.0070.08020.93
5.6.260.0030.08320.93
5.6.250.0070.04320.92
5.6.240.0130.07021.00
5.6.230.0030.05020.99
5.6.220.0000.08321.03
5.6.210.0000.04320.97
5.6.200.0130.05321.03
5.6.190.0100.07020.89
5.6.180.0100.07020.96
5.6.170.0070.03720.89
5.6.160.0070.07720.79
5.6.150.0070.07720.77
5.6.140.0000.05320.75
5.6.130.0070.06721.02
5.6.120.0070.07721.01
5.6.110.0000.04720.77
5.6.100.0030.07321.02
5.6.90.0070.07720.89
5.6.80.0000.07720.27
5.6.70.0030.07320.36
5.6.60.0000.07020.24
5.6.50.0030.07320.18
5.6.40.0030.06020.17
5.6.30.0070.08020.26
5.6.20.0070.08320.11
5.6.10.0030.07320.06
5.6.00.0030.08020.39
5.5.380.0030.08017.70
5.5.370.0070.07317.70
5.5.360.0000.07717.46
5.5.350.0000.08017.54
5.5.340.0070.07318.25
5.5.330.0000.08717.91
5.5.320.0030.08017.83
5.5.310.0100.08318.13
5.5.300.0000.05017.96
5.5.290.0030.04718.13
5.5.280.0030.04718.09
5.5.270.0070.07318.05
5.5.260.0030.08317.82
5.5.250.0070.04318.07
5.5.240.0000.03717.30
5.5.230.0100.06317.29
5.5.220.0100.06717.43
5.5.210.0000.06317.21
5.5.200.0100.07317.50
5.5.190.0000.07317.41
5.5.180.0030.08017.29
5.5.160.0000.08017.31
5.5.150.0070.07017.57
5.5.140.0000.07717.30
5.5.130.0030.04017.28
5.5.120.0000.05717.27
5.5.110.0030.06717.48
5.5.100.0100.07017.21
5.5.90.0000.07317.16
5.5.80.0030.04717.50
5.5.70.0070.03317.29
5.5.60.0000.05717.17
5.5.50.0030.06317.17
5.5.40.0070.05717.15
5.5.30.0070.07017.36
5.5.20.0000.03717.36
5.5.10.0030.10017.31
5.5.00.0070.08317.45
5.4.450.0070.07319.46
5.4.440.0030.07019.45
5.4.430.0030.06319.28
5.4.420.0030.08019.41
5.4.410.0130.06019.31
5.4.400.0030.07319.20
5.4.390.0000.03718.96
5.4.380.0030.06018.96
5.4.370.0100.06018.96
5.4.360.0070.06719.04
5.4.350.0070.06718.91
5.4.340.0070.07318.98
5.4.320.0030.07719.13
5.4.310.0000.08018.95
5.4.300.0030.06019.18
5.4.290.0000.06719.09
5.4.280.0000.08318.93
5.4.270.0030.07719.30
5.4.260.0070.06318.96
5.4.250.0070.06319.11
5.4.240.0000.04018.92
5.4.230.0000.06719.29
5.4.220.0030.03719.11
5.4.210.0100.06019.28
5.4.200.0130.06719.03
5.4.190.0070.07318.97
5.4.180.0100.07319.11
5.4.170.0000.04319.18
5.4.160.0000.05319.09
5.4.150.0030.03719.04
5.4.140.0000.04716.62
5.4.130.0000.03716.38
5.4.120.0030.05716.48
5.4.110.0000.05016.59
5.4.100.0030.03716.66
5.4.90.0030.03316.55
5.4.80.0000.03716.46
5.4.70.0000.03016.41
5.4.60.0070.02316.25
5.4.50.0000.05316.34
5.4.40.0000.04016.43
5.4.30.0000.03316.34
5.4.20.0030.03316.18
5.4.10.0030.02716.18
5.4.00.0100.03016.00
5.3.290.0030.06714.81
5.3.280.0030.04314.61
5.3.270.0000.07014.74
5.3.260.0070.03014.84
5.3.250.0030.04314.62
5.3.240.0000.03714.74
5.3.230.0000.03714.59
5.3.220.0000.03314.71
5.3.210.0000.03314.53
5.3.200.0000.03714.56
5.3.190.0030.03314.58
5.3.180.0070.02314.54
5.3.170.0000.03014.80
5.3.160.0030.04014.43
5.3.150.0030.03014.58
5.3.140.0030.03014.52
5.3.130.0000.03714.51
5.3.120.0030.02714.56
5.3.110.0000.03014.42
5.3.100.0070.05314.06
5.3.90.0100.06313.89
5.3.80.0030.06014.04
5.3.70.0030.03714.10
5.3.60.0030.05313.98
5.3.50.0000.06713.93
5.3.40.0000.03713.95
5.3.30.0000.03714.04
5.3.20.0000.04013.83
5.3.10.0000.06013.66
5.3.00.0030.04713.63
5.2.170.0000.03311.21
5.2.160.0030.04311.11
5.2.150.0030.06010.99
5.2.140.0000.05011.11
5.2.130.0000.03711.17
5.2.120.0070.03311.10
5.2.110.0030.05711.11
5.2.100.0000.05711.11
5.2.90.0000.06311.16
5.2.80.0030.04311.10
5.2.70.0000.03711.22
5.2.60.0030.04311.11
5.2.50.0070.05711.15
5.2.40.0030.05011.00
5.2.30.0070.04710.98
5.2.20.0030.05310.92
5.2.10.0000.06011.00
5.2.00.0070.05010.73
5.1.60.0070.0479.98
5.1.50.0000.05710.09
5.1.40.0070.0479.95
5.1.30.0000.05010.43
5.1.20.0000.04710.48
5.1.10.0000.04010.07
5.1.00.0030.05310.04
5.0.50.0030.0279.72
5.0.40.0000.0339.72
5.0.30.0070.0579.72
5.0.20.0070.0279.72
5.0.10.0000.0179.72
5.0.00.0000.0279.72
4.4.90.0000.0179.72
4.4.80.0000.0179.72
4.4.70.0030.0339.72
4.4.60.0000.0209.72
4.4.50.0030.0279.72
4.4.40.0030.0509.72
4.4.30.0000.0309.72
4.4.20.0000.0309.72
4.4.10.0030.0179.72
4.4.00.0030.0579.72
4.3.110.0000.0279.72
4.3.100.0030.0309.72
4.3.90.0030.0279.72
4.3.80.0000.0339.72
4.3.70.0000.0139.72
4.3.60.0000.0339.72
4.3.50.0000.0279.72
4.3.40.0000.0339.72
4.3.30.0000.0379.72
4.3.20.0030.0339.72
4.3.10.0000.0379.72
4.3.00.0000.0309.72

preferences:
49.07 ms | 400 KiB | 5 Q