3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f(&$a) {} function &g($a) { $v = $a; return $v; } f(g(3));

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)
8.3.60.0140.00418.43
8.3.50.0080.01121.27
8.3.40.0070.01418.76
8.3.30.0070.00720.34
8.3.20.0000.00720.37
8.3.10.0080.00020.97
8.3.00.0050.00322.41
8.2.180.0120.01216.50
8.2.170.0100.00622.96
8.2.160.0100.00322.08
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.18
8.2.110.0080.00019.31
8.2.100.0090.00317.66
8.2.90.0050.00219.13
8.2.80.0040.00417.97
8.2.70.0040.00417.38
8.2.60.0080.00417.68
8.2.50.0090.00418.07
8.2.40.0050.00318.09
8.2.30.0070.00019.31
8.2.20.0040.00417.54
8.2.10.0040.00417.57
8.2.00.0030.00617.56
8.1.280.0120.00325.92
8.1.270.0080.00023.99
8.1.260.0100.01026.35
8.1.250.0070.01128.09
8.1.240.0100.00023.92
8.1.230.0080.00321.04
8.1.220.0050.00318.77
8.1.210.0050.00319.06
8.1.200.0030.00617.10
8.1.190.0040.00417.30
8.1.180.0030.00618.10
8.1.170.0000.00918.62
8.1.160.0000.00718.82
8.1.150.0040.00418.57
8.1.140.0000.00717.39
8.1.130.0070.00017.78
8.1.120.0000.00817.42
8.1.110.0070.00017.37
8.1.100.0000.00817.36
8.1.90.0050.00317.34
8.1.80.0070.00017.28
8.1.70.0000.00717.36
8.1.60.0040.00417.56
8.1.50.0000.00717.58
8.1.40.0040.00417.48
8.1.30.0040.00417.68
8.1.20.0040.00417.63
8.1.10.0040.00417.55
8.1.00.0040.00417.49
8.0.300.0070.00019.90
8.0.290.0070.00017.18
8.0.280.0040.00318.29
8.0.270.0030.00317.24
8.0.260.0050.00316.75
8.0.250.0030.00616.88
8.0.240.0000.00716.86
8.0.230.0040.00316.90
8.0.220.0030.00316.81
8.0.210.0000.00716.83
8.0.200.0030.00316.89
8.0.190.0080.00016.89
8.0.180.0080.00016.85
8.0.170.0000.00716.87
8.0.160.0030.00316.87
8.0.150.0000.00716.80
8.0.140.0040.00416.77
8.0.130.0030.00313.21
8.0.120.0040.00416.81
8.0.110.0000.00716.83
8.0.100.0000.00716.82
8.0.90.0070.00016.72
8.0.80.0110.00716.89
8.0.70.0040.00416.70
8.0.60.0040.00416.64
8.0.50.0000.00716.69
8.0.30.0140.00517.02
8.0.20.0140.00517.40
8.0.10.0000.00716.92
8.0.00.0120.00916.81
7.4.330.0000.00516.79
7.4.320.0030.00316.38
7.4.300.0000.00716.46
7.4.290.0030.00316.51
7.4.280.0070.00016.63
7.4.270.0030.00316.60
7.4.260.0030.00313.31
7.4.250.0000.00816.47
7.4.240.0020.00516.56
7.4.230.0030.00316.58
7.4.220.0140.00416.63
7.4.210.0080.00716.52
7.4.200.0000.00716.41
7.4.190.0000.00616.72
7.4.160.0040.01116.65
7.4.150.0070.01017.40
7.4.140.0080.01017.86
7.4.130.0050.01216.45
7.4.120.0100.01016.37
7.4.110.0070.01016.43
7.4.100.0070.01116.52
7.4.90.0050.01116.42
7.4.80.0090.00619.39
7.4.70.0090.01416.42
7.4.60.0100.01016.25
7.4.50.0040.00416.45
7.4.40.0060.00622.77
7.4.30.0090.00616.43
7.4.00.0000.01315.01
7.3.330.0050.00013.37
7.3.320.0050.00013.13
7.3.310.0050.00216.40
7.3.300.0060.00016.27
7.3.290.0000.01416.38
7.3.280.0140.00216.36
7.3.270.0120.00617.40
7.3.260.0110.00818.24
7.3.250.0100.00716.45
7.3.240.0110.00716.56
7.3.230.0090.00916.39
7.3.210.0070.01016.47
7.3.200.0030.01619.39
7.3.190.0120.00416.47
7.3.180.0000.01616.26
7.3.170.0100.01016.27
7.3.160.0100.00616.38
7.3.120.0030.01214.78
7.2.330.0100.00716.39
7.2.320.0030.02016.46
7.2.310.0090.01216.55
7.2.300.0030.01316.54
7.2.290.0070.01016.51
7.1.70.0030.00617.14
7.1.60.0070.00717.28
7.1.50.0100.01034.43
7.1.00.0030.03322.48
7.0.200.0000.01516.49
7.0.140.0000.07322.07
7.0.90.0430.05719.96
7.0.80.0300.04319.88
7.0.70.0500.08319.91
7.0.60.0430.05719.94
7.0.50.0470.06720.38
7.0.40.0030.09020.00
7.0.30.0000.05320.05
7.0.20.0200.07020.03
7.0.10.0070.08320.13
7.0.00.0130.08020.14
5.6.280.0070.07021.10
5.6.230.0200.07020.69
5.6.220.0130.08020.65
5.6.210.0030.04720.46
5.6.200.0170.07721.12
5.6.190.0130.07321.02
5.6.180.0030.05021.03
5.6.170.0030.04721.14
5.6.160.0070.08021.06
5.6.150.0030.05321.04
5.6.140.0000.05021.08
5.6.130.0070.06721.11
5.6.120.0070.08321.05
5.6.110.0130.07721.05
5.6.100.0130.05721.02
5.6.90.0100.07021.00
5.6.80.0000.04320.33
5.6.70.0400.05320.46
5.6.60.0070.06020.51
5.6.50.0070.05020.48
5.6.40.0100.07720.53
5.6.30.0030.05720.50
5.6.20.0070.06020.46
5.6.10.0130.06720.43
5.6.00.0030.06020.47
5.5.370.0070.08020.37
5.5.360.0100.07320.43
5.5.350.0030.07320.42
5.5.340.0130.08020.64
5.5.330.0200.07320.79
5.5.320.0030.07320.88
5.5.310.0030.08020.73
5.5.300.0100.04720.86
5.5.290.0070.08720.91
5.5.280.0000.07720.80
5.5.270.0100.07720.91
5.5.260.0030.08020.91
5.5.250.0030.07320.59
5.5.240.0130.08320.18
5.5.230.0170.04020.30
5.5.220.0030.04720.10
5.5.210.0130.03320.14
5.5.200.0070.04320.19
5.5.190.0000.05320.11
5.5.180.0000.07720.11
5.5.160.0030.04320.11
5.5.150.0100.07720.09
5.5.140.0070.05020.08
5.5.130.0130.04020.10
5.5.120.0100.08020.26
5.5.110.0200.04320.11
5.5.100.0070.08019.98
5.5.90.0100.04020.01
5.5.80.0030.04020.10
5.5.70.0030.05720.14
5.5.60.0030.04720.08
5.5.50.0100.04019.95
5.5.40.0070.04720.00
5.5.30.0070.07720.08
5.5.20.0070.06020.05
5.5.10.0100.03720.04
5.5.00.0030.08020.08
5.4.450.0100.07719.47
5.4.440.0130.07319.23
5.4.430.0070.04719.53
5.4.420.0170.07719.17
5.4.410.0030.04019.40
5.4.400.0070.08018.89
5.4.390.0070.07019.12
5.4.380.0100.03719.09
5.4.370.0030.03719.09
5.4.360.0100.06318.88
5.4.350.0070.04018.88
5.4.340.0070.08718.88
5.4.320.0070.04019.12
5.4.310.0070.06019.05
5.4.300.0100.07019.02
5.4.290.0030.05719.19
5.4.280.0130.06719.04
5.4.270.0270.05318.95
5.4.260.0000.05019.05
5.4.250.0000.06019.02
5.4.240.0100.07019.02
5.4.230.0070.07718.94
5.4.220.0100.07019.02
5.4.210.0030.04319.05
5.4.200.0100.04019.22
5.4.190.0100.06319.13
5.4.180.0000.04018.93
5.4.170.0130.03719.12
5.4.160.0100.03719.03
5.4.150.0130.05719.14
5.4.140.0000.04016.46
5.4.130.0030.04016.50
5.4.120.0070.03316.50
5.4.110.0000.09716.39
5.4.100.0070.07016.56
5.4.90.0100.07016.46
5.4.80.0130.06316.44
5.4.70.0070.03716.34
5.4.60.0030.04316.39
5.4.50.0030.08016.40
5.4.40.0170.06316.51
5.4.30.0030.06316.35
5.4.20.0030.04316.31
5.4.10.0100.07316.21
5.4.00.0030.04015.94
5.3.290.0070.07314.68
5.3.280.0030.07714.55
5.3.270.0130.06714.63
5.3.260.0070.04014.53
5.3.250.0030.06014.53
5.3.240.0030.05014.66
5.3.230.0070.05014.73
5.3.220.0130.03714.54
5.3.210.0070.04314.58
5.3.200.0100.03714.53
5.3.190.0070.07014.71
5.3.180.0100.07014.49
5.3.170.0130.04314.62
5.3.160.0100.06014.49
5.3.150.0070.07714.51
5.3.140.0100.08014.64
5.3.130.0030.04014.54
5.3.120.0030.05314.53
5.3.110.0130.06714.52
5.3.100.0070.06313.97
5.3.90.0030.04014.08
5.3.80.0030.08014.07
5.3.70.0100.07314.11
5.3.60.0030.08314.01
5.3.50.0030.05014.06
5.3.40.0000.06314.00
5.3.30.0070.04713.97
5.3.20.0030.06313.61
5.3.10.0100.04013.77
5.3.00.0030.07313.61
5.2.170.0030.05313.61
5.2.160.0000.07013.61
5.2.150.0100.04313.61
5.2.140.0100.05713.61
5.2.130.0030.05013.61
5.2.120.0030.03313.61
5.2.110.0030.03013.61
5.2.100.0100.05013.61
5.2.90.0000.04013.61
5.2.80.0030.03313.61
5.2.70.0070.06013.61
5.2.60.0100.04013.61
5.2.50.0100.06313.61
5.2.40.0030.06313.61
5.2.30.0000.06713.61
5.2.20.0030.06313.61
5.2.10.0030.07013.61
5.2.00.0130.05313.61
5.1.60.0070.05313.61
5.1.50.0070.02713.61
5.1.40.0100.04713.61
5.1.30.0030.03313.61
5.1.20.0030.02713.61
5.1.10.0030.06013.61
5.1.00.0070.02013.61
5.0.50.0070.04313.61
5.0.40.0070.04013.61
5.0.30.0100.05713.61
5.0.20.0000.03013.61
5.0.10.0000.04713.61
5.0.00.0070.05713.61
4.4.90.0000.03713.61
4.4.80.0000.02313.61
4.4.70.0000.04013.61
4.4.60.0000.02713.61
4.4.50.0000.02713.61
4.4.40.0030.05713.61
4.4.30.0000.03713.61
4.4.20.0030.04013.61
4.4.10.0000.02313.61
4.4.00.0000.04313.61
4.3.110.0030.03013.61
4.3.100.0070.01713.61
4.3.90.0000.03713.61
4.3.80.0030.03313.61
4.3.70.0000.02713.61
4.3.60.0000.03013.61
4.3.50.0000.03713.61
4.3.40.0030.05013.61
4.3.30.0030.02013.61
4.3.20.0030.02313.61
4.3.10.0000.03013.61
4.3.00.0000.02013.61

preferences:
44.37 ms | 400 KiB | 5 Q