3v4l.org

run code in 300+ PHP versions simultaneously
<?php function & do_something(&$s) { $s = 'func'; return $s; } $a = 'init'; $b = do_something($a); $b = 'fin'; var_dump($a, $b); $x = 'init'; $y = & do_something($x); $y = 'fin'; var_dump($x, $y);

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)
8.3.40.0070.00718.85
8.3.30.0070.00719.09
8.3.20.0000.00820.04
8.3.10.0060.00323.64
8.3.00.0070.00317.80
8.2.170.0090.00622.96
8.2.160.0110.00322.12
8.2.150.0070.00024.18
8.2.140.0070.00024.66
8.2.130.0050.00326.16
8.2.120.0060.00319.23
8.2.110.0060.00322.29
8.2.100.0040.00819.51
8.2.90.0040.00419.05
8.2.80.0030.00517.97
8.2.70.0000.01017.63
8.2.60.0030.00617.78
8.2.50.0050.00218.07
8.2.40.0030.00618.16
8.2.30.0000.00718.21
8.2.20.0040.00417.54
8.2.10.0040.00418.11
8.2.00.0060.00319.45
8.1.270.0050.00223.83
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.95
8.1.230.0080.00319.13
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0080.00017.23
8.1.180.0000.00818.10
8.1.170.0000.00718.56
8.1.160.0020.00521.95
8.1.150.0040.00418.61
8.1.140.0040.00417.30
8.1.130.0030.00317.96
8.1.120.0070.00017.32
8.1.110.0040.00717.38
8.1.100.0070.00017.28
8.1.90.0030.00617.41
8.1.80.0040.00417.27
8.1.70.0000.00717.35
8.1.60.0000.00817.54
8.1.50.0060.00317.42
8.1.40.0040.00417.54
8.1.30.0000.00817.54
8.1.20.0030.00517.69
8.1.10.0040.00417.42
8.1.00.0000.00717.46
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0070.00018.34
8.0.270.0000.00717.30
8.0.260.0030.00317.07
8.0.250.0000.00816.86
8.0.240.0070.00016.86
8.0.230.0000.00716.93
8.0.220.0020.00516.82
8.0.210.0030.00316.73
8.0.200.0040.00416.89
8.0.190.0050.00316.77
8.0.180.0060.00316.71
8.0.170.0030.00516.84
8.0.160.0040.00416.77
8.0.150.0060.00316.81
8.0.140.0050.00316.71
8.0.130.0040.00413.25
8.0.120.0040.00416.79
8.0.110.0060.00316.78
8.0.100.0050.00216.86
8.0.90.0000.00816.73
8.0.80.0000.01516.84
8.0.70.0040.00416.70
8.0.60.0050.00316.70
8.0.50.0070.00016.82
8.0.30.0080.01116.84
8.0.20.0120.00817.40
8.0.10.0000.00716.79
8.0.00.0100.00716.93
7.4.330.0050.00015.07
7.4.320.0000.00616.43
7.4.300.0000.00616.36
7.4.290.0000.00716.52
7.4.280.0040.00416.66
7.4.270.0040.00416.45
7.4.260.0030.00316.61
7.4.250.0040.00416.50
7.4.240.0020.00516.59
7.4.230.0040.00416.51
7.4.220.0180.00316.44
7.4.210.0110.00716.50
7.4.200.0000.00716.34
7.4.160.0090.00916.65
7.4.150.0210.00317.40
7.4.140.0080.01017.86
7.4.130.0120.00516.42
7.4.120.0130.00716.38
7.4.110.0130.00316.39
7.4.100.0040.01216.38
7.4.90.0080.00816.45
7.4.80.0110.00719.39
7.4.70.0070.01016.39
7.4.60.0070.01016.58
7.4.50.0050.00316.42
7.4.40.0060.01216.50
7.4.30.0030.01416.50
7.4.00.0040.00815.07
7.3.330.0000.00513.07
7.3.320.0060.00013.23
7.3.310.0060.00016.34
7.3.300.0070.00016.14
7.3.290.0040.01116.22
7.3.280.0090.01216.30
7.3.270.0250.00617.40
7.3.260.0100.01016.24
7.3.250.0100.00816.50
7.3.240.0060.01216.30
7.3.230.0090.01216.39
7.3.210.0030.01616.20
7.3.200.0100.01319.39
7.3.190.0120.00516.31
7.3.180.0080.00816.26
7.3.170.0100.00716.61
7.3.160.0160.00616.58
7.3.120.0070.01114.65
7.3.110.0030.01414.62
7.3.100.0070.00714.66
7.3.90.0000.01314.71
7.3.80.0100.00714.80
7.3.70.0100.00714.48
7.3.60.0100.00014.82
7.3.50.0120.00414.71
7.3.40.0060.00814.48
7.3.30.0000.01414.78
7.3.20.0040.00816.64
7.3.10.0090.00516.61
7.3.00.0090.00616.65
7.2.330.0100.00716.72
7.2.320.0070.01016.21
7.2.310.0100.00716.66
7.2.300.0100.00716.68
7.2.290.0070.01016.24
7.2.240.0030.01314.84
7.2.230.0030.01015.13
7.2.220.0110.00014.87
7.2.210.0100.00614.84
7.2.200.0070.00715.03
7.2.190.0070.01014.88
7.2.180.0090.00914.99
7.2.170.0030.01315.03
7.2.160.0090.00614.75
7.2.150.0100.00617.00
7.2.140.0030.00916.82
7.2.130.0080.00716.80
7.2.120.0050.01116.60
7.2.110.0100.00316.77
7.2.100.0060.00916.89
7.2.90.0080.00816.92
7.2.80.0050.00916.71
7.2.70.0080.00616.92
7.2.60.0080.00616.86
7.2.50.0070.00716.85
7.2.40.0070.00516.94
7.2.30.0090.00616.86
7.2.20.0050.00516.84
7.2.10.0020.01116.88
7.2.00.0040.00917.46
7.1.330.0000.01315.82
7.1.320.0070.00715.69
7.1.310.0060.00915.79
7.1.300.0000.01715.79
7.1.290.0100.00315.82
7.1.280.0080.00415.90
7.1.270.0000.01315.38
7.1.260.0100.00615.84
7.1.250.0030.01115.73
7.1.100.0100.00317.98
7.1.70.0000.00717.11
7.1.60.0120.00017.12
7.1.50.0130.01016.93
7.1.00.0070.07322.40
7.0.200.0100.00616.72
7.0.140.0000.07722.05
7.0.70.0070.08021.65
7.0.60.0030.07721.77
7.0.50.0030.08022.12
7.0.40.0030.08720.04
7.0.30.0070.08320.00
7.0.20.0070.08320.00
7.0.10.0030.08320.08
7.0.00.0030.09020.03
5.6.280.0030.07320.89
5.6.220.0030.08720.56
5.6.210.0030.08020.57
5.6.200.0100.07721.04
5.6.190.0030.09021.17
5.6.180.0070.07021.02
5.6.170.0070.05321.02
5.6.160.0070.08721.18
5.6.150.0030.05721.00
5.6.140.0000.07320.93
5.6.130.0000.09021.05
5.6.120.0030.10720.96
5.6.110.0130.07721.02
5.6.100.0070.08721.02
5.6.90.0070.05320.95
5.6.80.0070.08020.44
5.6.70.0000.08320.39
5.6.60.0070.05720.31
5.6.50.0130.07320.50
5.6.40.0030.07320.36
5.6.30.0070.06720.38
5.6.20.0030.07020.31
5.6.10.0030.08320.41
5.6.00.0070.08020.28
5.5.360.0100.08020.41
5.5.350.0070.07720.46
5.5.340.0030.08020.79
5.5.330.0000.09020.82
5.5.320.0070.07720.77
5.5.310.0030.08020.79
5.5.300.0070.07720.80
5.5.290.0070.08020.63
5.5.280.0000.08320.62
5.5.270.0000.08320.92
5.5.260.0000.06320.82
5.5.250.0000.07020.67
5.5.240.0000.08720.19
5.5.230.0070.08020.00
5.5.220.0170.06720.29
5.5.210.0130.07720.24
5.5.200.0100.07020.13
5.5.190.0030.08019.98
5.5.180.0070.07320.25
5.5.160.0000.07720.27
5.5.150.0070.06719.99
5.5.140.0030.08320.18
5.5.130.0030.07320.26
5.5.120.0070.05020.13
5.5.110.0100.07720.25
5.5.100.0000.07720.17
5.5.90.0030.07020.07
5.5.80.0100.07320.05
5.5.70.0000.08720.06
5.5.60.0100.07720.14
5.5.50.0030.05319.96
5.5.40.0070.07319.96
5.5.30.0030.08320.15
5.5.20.0030.08020.15
5.5.10.0000.08720.06
5.5.00.0030.07320.12
5.4.450.0100.07719.55
5.4.440.0000.09019.24
5.4.430.0000.08319.18
5.4.420.0070.07019.48
5.4.410.0100.06719.34
5.4.400.0100.07319.05
5.4.390.0000.08319.18
5.4.380.0000.07719.23
5.4.370.0000.07719.09
5.4.360.0030.08019.03
5.4.350.0030.07719.18
5.4.340.0070.06019.12
5.4.320.0070.06719.13
5.4.310.0070.06019.03
5.4.300.0030.06719.23
5.4.290.0000.08319.07
5.4.280.0030.06319.21
5.4.270.0030.08019.09
5.4.260.0000.08319.22
5.4.250.0030.07019.08
5.4.240.0070.07719.11
5.4.230.0030.06318.89
5.4.220.0200.06719.11
5.4.210.0070.07019.17
5.4.200.0070.07318.94
5.4.190.0030.07719.02
5.4.180.0030.05019.02
5.4.170.0070.06718.93
5.4.160.0030.07319.21
5.4.150.0000.08018.88
5.4.140.0030.07716.40
5.4.130.0000.05716.19
5.4.120.0070.05716.42
5.4.110.0070.07316.50
5.4.100.0000.07016.47
5.4.90.0070.04016.42
5.4.80.0070.04716.32
5.4.70.0100.05716.43
5.4.60.0000.07316.25
5.4.50.0000.04716.35
5.4.40.0070.06016.38
5.4.30.0000.04716.48
5.4.20.0030.07016.44
5.4.10.0000.07016.43
5.4.00.0030.05715.88
5.3.290.0070.07714.80
5.3.280.0070.07714.64
5.3.270.0130.06714.73
5.3.260.0000.07714.62
5.3.250.0000.08314.74
5.3.240.0100.07314.66
5.3.230.0000.08314.66
5.3.220.0100.06714.62
5.3.210.0000.07714.49
5.3.200.0100.05014.57
5.3.190.0130.07014.63
5.3.180.0030.07714.59
5.3.170.0030.07314.65
5.3.160.0030.04714.58
5.3.150.0030.04014.59
5.3.140.0030.07714.57
5.3.130.0030.07014.65
5.3.120.0000.08314.49
5.3.110.0000.07314.70
5.3.100.0030.08013.99
5.3.90.0070.07013.97
5.3.80.0030.07314.11
5.3.70.0030.07014.02
5.3.60.0100.06314.05
5.3.50.0070.07013.95
5.3.40.0030.05713.95
5.3.30.0070.06313.89
5.3.20.0030.07013.57
5.3.10.0000.06013.57
5.3.00.0100.05713.77
5.2.170.0030.05012.27
5.2.160.0070.06012.27
5.2.150.0030.04312.27
5.2.140.0070.04312.27
5.2.130.0030.05712.27
5.2.120.0030.05712.27
5.2.110.0000.05312.27
5.2.100.0030.05012.27
5.2.90.0070.04012.27
5.2.80.0070.06312.27
5.2.70.0030.06712.27
5.2.60.0100.05712.27
5.2.50.0070.05712.27
5.2.40.0030.05712.27
5.2.30.0030.06012.27
5.2.20.0070.06012.27
5.2.10.0070.06012.27
5.2.00.0030.05712.27
5.1.60.0030.04712.27
5.1.50.0000.04012.27
5.1.40.0000.04312.27
5.1.30.0070.04712.27
5.1.20.0070.05312.27
5.1.10.0030.05312.27
5.1.00.0000.05712.27
5.0.50.0030.03712.27
5.0.40.0070.03312.27
5.0.30.0030.06312.27
5.0.20.0030.02712.27
5.0.10.0000.04012.27
5.0.00.0030.06012.27
4.4.90.0000.03012.27
4.4.80.0000.03012.27
4.4.70.0030.03312.27
4.4.60.0000.02312.27
4.4.50.0070.03312.27
4.4.40.0000.05712.27
4.4.30.0000.02712.27
4.4.20.0000.03712.27
4.4.10.0000.03712.27
4.4.00.0000.05312.27
4.3.110.0000.03312.27
4.3.100.0000.02712.27
4.3.90.0000.03712.27
4.3.80.0070.05012.27
4.3.70.0030.03712.27
4.3.60.0030.02712.27
4.3.50.0030.03312.27
4.3.40.0070.05012.27
4.3.30.0030.03312.27
4.3.20.0030.03312.27
4.3.10.0000.03312.27
4.3.00.0030.03312.27

preferences:
36.27 ms | 400 KiB | 5 Q