3v4l.org

run code in 300+ PHP versions simultaneously
<?php function g($x=0){static$s='g';return $x?[$z=$s.$x,$s='g',$z][2]:[$s.='o',function($y=0){return g($y);}][1];} // g()('al'); $x=g();echo $x('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)
8.3.70.0160.00616.75
8.3.60.0100.01018.43
8.3.50.0140.00523.00
8.3.40.0120.00618.77
8.3.30.0070.00719.04
8.3.20.0040.00420.21
8.3.10.0070.00023.51
8.3.00.0050.00317.50
8.2.180.0130.00618.06
8.2.170.0140.00022.96
8.2.160.0090.00620.55
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0030.01426.16
8.2.120.0080.00020.82
8.2.110.0060.00322.11
8.2.100.0040.00717.84
8.2.90.0000.00819.36
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0000.00818.04
8.2.50.0030.00618.07
8.2.40.0000.00718.16
8.2.30.0060.00318.06
8.2.20.0080.00017.81
8.2.10.0040.00418.05
8.2.00.0000.00717.63
8.1.280.0000.01525.92
8.1.270.0090.00023.91
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0050.00523.85
8.1.230.0080.00418.88
8.1.220.0040.00417.77
8.1.210.0060.00318.77
8.1.200.0110.00017.23
8.1.190.0000.00817.22
8.1.180.0070.00018.10
8.1.170.0000.00818.61
8.1.160.0000.00721.98
8.1.150.0000.00718.95
8.1.140.0040.00417.52
8.1.130.0030.00317.89
8.1.120.0000.00717.48
8.1.110.0030.00517.43
8.1.100.0000.00817.36
8.1.90.0030.00317.38
8.1.80.0080.00017.46
8.1.70.0030.00317.41
8.1.60.0030.00517.63
8.1.50.0040.00417.56
8.1.40.0040.00417.45
8.1.30.0040.00417.49
8.1.20.0020.00517.66
8.1.10.0040.00417.62
8.1.00.0000.00717.43
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.46
8.0.270.0070.00017.30
8.0.260.0030.00317.23
8.0.250.0030.00317.01
8.0.240.0080.00017.04
8.0.230.0070.00016.91
8.0.220.0070.00016.87
8.0.210.0030.00316.93
8.0.200.0060.00016.96
8.0.190.0080.00016.97
8.0.180.0050.00216.93
8.0.170.0030.00616.93
8.0.160.0030.00316.97
8.0.150.0000.00716.84
8.0.140.0070.00416.72
8.0.130.0000.00513.36
8.0.120.0040.00416.91
8.0.110.0040.00416.95
8.0.100.0040.00416.78
8.0.90.0000.00816.94
8.0.80.0060.00916.89
8.0.70.0040.00416.84
8.0.60.0050.00216.73
8.0.50.0040.00416.76
8.0.30.0120.00717.01
8.0.20.0180.00517.40
8.0.10.0040.00416.90
8.0.00.0090.01216.77
7.4.330.0030.00315.06
7.4.320.0030.00316.38
7.4.300.0000.00816.65
7.4.290.0000.00716.65
7.4.280.0050.00516.38
7.4.270.0070.00016.59
7.4.260.0040.00416.40
7.4.250.0030.00616.46
7.4.240.0020.00616.54
7.4.230.0000.00716.73
7.4.220.0150.00616.64
7.4.210.0100.00816.51
7.4.200.0040.00416.72
7.4.160.0090.01316.33
7.4.150.0140.00417.40
7.4.140.0070.01217.86
7.4.130.0120.00516.46
7.4.120.0110.00616.57
7.4.110.0040.01416.63
7.4.100.0100.00716.58
7.4.90.0100.00716.69
7.4.80.0090.00919.39
7.4.70.0120.01216.43
7.4.60.0040.01316.57
7.4.50.0030.00516.50
7.4.40.0030.01316.47
7.4.30.0100.00716.61
7.4.00.0070.01015.02
7.3.330.0030.00313.32
7.3.320.0000.00713.37
7.3.310.0030.00316.34
7.3.300.0030.00316.24
7.3.290.0000.01416.35
7.3.280.0060.01216.36
7.3.270.0140.00717.40
7.3.260.0030.01316.55
7.3.250.0090.00816.46
7.3.240.0170.00316.42
7.3.230.0110.00616.49
7.3.210.0060.01216.35
7.3.200.0170.00319.39
7.3.190.0070.01416.64
7.3.180.0100.00716.36
7.3.170.0120.00916.50
7.3.160.0110.00716.32
7.3.120.0030.01314.91
7.3.110.0050.01014.76
7.3.100.0100.00714.84
7.3.90.0040.00814.95
7.3.80.0000.01714.80
7.3.70.0000.01214.93
7.3.60.0000.00814.73
7.3.50.0090.00614.96
7.3.40.0070.00714.95
7.3.30.0030.00914.48
7.3.20.0060.00916.63
7.3.10.0110.00416.76
7.3.00.0090.00016.65
7.2.330.0100.00716.70
7.2.320.0090.00916.47
7.2.310.0060.01516.75
7.2.300.0160.00616.82
7.2.290.0150.00816.80
7.2.250.0040.01415.36
7.2.240.0070.01415.02
7.2.230.0040.01515.14
7.2.220.0030.00615.35
7.2.210.0070.01014.93
7.2.200.0000.01414.76
7.2.190.0130.00314.84
7.2.180.0110.00315.20
7.2.170.0030.01515.03
7.2.00.0060.00319.34
7.1.330.0060.00916.02
7.1.320.0030.01015.93
7.1.310.0080.00315.73
7.1.300.0070.01015.69
7.1.290.0030.01015.92
7.1.280.0100.00315.72
7.1.270.0000.00915.74
7.1.260.0040.00815.98
7.1.100.0000.01318.06
7.1.70.0040.00417.09
7.1.60.0070.00317.29
7.1.50.0070.00717.02
7.1.00.0000.08022.33
7.0.200.0100.01016.81
7.0.140.0070.07322.12
7.0.60.0030.04319.91
7.0.50.0070.04317.89
7.0.40.0200.07020.27
7.0.30.0270.05020.21
7.0.20.0330.07720.12
7.0.10.0070.05020.26
7.0.00.0130.07020.30
5.6.280.0030.07321.08
5.6.210.0000.07020.55
5.6.200.0130.07318.17
5.6.190.0100.04720.77
5.6.180.0330.07020.49
5.6.170.0230.05020.47
5.6.160.0030.04020.46
5.6.150.0030.08718.21
5.6.140.0030.04018.17
5.6.130.0100.08018.11
5.6.120.0030.08721.02
5.6.110.0070.05721.14
5.6.100.0100.05720.99
5.6.90.0130.07721.13
5.6.80.0130.06720.40
5.5.350.0070.07320.39
5.5.340.0100.06317.96
5.5.330.0100.08020.47
5.5.320.0230.06020.35
5.5.310.0170.05320.27
5.5.300.0070.08318.05
5.5.290.0070.07018.02
5.5.280.0070.03720.88
5.5.270.0030.05720.88
5.5.260.0000.08320.80
5.5.250.0100.06720.69
5.5.240.0200.06020.16
5.4.450.0300.03319.64
5.4.440.0330.03019.28
5.4.430.0170.04719.38
5.4.420.0400.03719.27
5.4.410.0200.04319.29
5.4.400.0100.03019.25
5.4.390.0270.04019.15
5.4.380.0770.06318.75
5.4.370.0230.05018.55
5.4.360.0100.05318.73
5.4.350.0200.05018.68
5.4.340.0270.06318.82
5.4.320.0050.03712.52
5.4.310.0080.03712.52
5.4.300.0080.03512.52
5.4.290.0040.04012.51
5.4.280.0080.03512.41
5.4.270.0080.04512.41
5.4.260.0080.04912.41
5.4.250.0080.04612.41
5.4.240.0030.04312.41
5.4.230.0080.03512.40
5.4.220.0050.03812.40
5.4.210.0070.03412.40
5.4.200.0070.04212.40
5.4.190.0080.03312.40
5.4.180.0070.05312.40
5.4.170.0090.03912.40
5.4.160.0070.04912.40
5.4.150.0090.03212.39
5.4.140.0060.04812.09
5.4.130.0070.04512.07
5.4.120.0020.04012.04
5.4.110.0070.03412.03
5.4.100.0040.03612.03
5.4.90.0080.03512.03
5.4.80.0050.05312.03
5.4.70.0050.03512.03
5.4.60.0050.03612.03
5.4.50.0080.03312.03
5.4.40.0070.03912.02
5.4.30.0070.03712.01
5.4.20.0050.04412.01
5.4.10.0040.04012.01
5.4.00.0030.04211.51
5.3.290.0040.04112.80
5.3.280.0060.03812.71
5.3.270.0070.04112.72
5.3.260.0060.04712.71
5.3.250.0060.04712.72
5.3.240.0080.03612.72
5.3.230.0090.03512.71
5.3.220.0050.03812.68
5.3.210.0050.03912.68
5.3.200.0080.04512.68
5.3.190.0090.03412.68
5.3.180.0050.03712.68
5.3.170.0030.04012.67
5.3.160.0080.03612.67
5.3.150.0050.03812.67
5.3.140.0090.03312.66
5.3.130.0070.03812.66
5.3.120.0080.04512.66
5.3.110.0090.04612.66
5.3.100.0080.03412.13
5.3.90.0040.03712.11
5.3.80.0070.03412.09
5.3.70.0060.04312.09
5.3.60.0080.04312.08
5.3.50.0050.03712.02
5.3.40.0040.04512.02
5.3.30.0070.03711.98
5.3.20.0060.03411.76
5.3.10.0060.04211.74
5.3.00.0070.03511.72
5.2.170.0030.0329.22
5.2.160.0040.0309.22
5.2.150.0040.0319.21
5.2.140.0030.0329.21
5.2.130.0080.0399.17
5.2.120.0060.0379.18
5.2.110.0060.0329.18
5.2.100.0130.0339.18
5.2.90.0070.0269.18
5.2.80.0030.0319.17
5.2.70.0070.0329.18
5.2.60.0050.0309.13
5.2.50.0030.0329.09
5.2.40.0040.0299.06
5.2.30.0050.0299.05
5.2.20.0060.0279.05
5.2.10.0050.0368.95
5.2.00.0030.0308.81
5.1.60.0020.0288.09
5.1.50.0090.0238.09
5.1.40.0050.0328.07
5.1.30.0020.0288.43
5.1.20.0050.0268.44
5.1.10.0060.0318.16
5.1.00.0050.0328.17
5.0.50.0070.0216.64
5.0.40.0060.0256.50
5.0.30.0050.0316.31
5.0.20.0030.0206.28
5.0.10.0020.0216.26
5.0.00.0040.0306.25
4.4.90.0010.0164.78
4.4.80.0010.0174.75
4.4.70.0030.0154.75
4.4.60.0040.0144.75
4.4.50.0000.0184.77
4.4.40.0010.0324.71
4.4.30.0030.0234.76
4.4.20.0010.0284.85
4.4.10.0000.0184.85
4.4.00.0010.0274.75
4.3.110.0050.0194.67
4.3.100.0030.0154.66
4.3.90.0020.0144.64
4.3.80.0060.0334.59
4.3.70.0020.0154.63
4.3.60.0080.0164.63
4.3.50.0010.0214.62
4.3.40.0000.0264.54
4.3.30.0040.0213.30
4.3.20.0040.0143.28
4.3.10.0020.0163.25
4.3.00.0100.01713.43

preferences:
63.94 ms | 401 KiB | 5 Q