3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bar = "somevalue"; function test(&$var) { $var = & $GLOBALS['_SERVER']; } test($bar); var_dump($bar);

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)
8.3.60.0030.01016.50
8.3.50.0110.00622.88
8.3.40.0070.00718.71
8.3.30.0030.01018.92
8.3.20.0040.00420.22
8.3.10.0000.00823.53
8.3.00.0000.00819.37
8.2.180.0070.00718.16
8.2.170.0140.00322.96
8.2.160.0140.00020.43
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0080.00020.98
8.2.110.0080.00020.20
8.2.100.0040.00718.22
8.2.90.0070.00319.00
8.2.80.0030.00517.97
8.2.70.0080.00017.37
8.2.60.0080.00017.91
8.2.50.0050.00518.07
8.2.40.0080.00018.16
8.2.30.0000.00717.93
8.2.20.0040.00417.63
8.2.10.0040.00418.09
8.2.00.0030.00617.79
8.1.280.0070.01525.92
8.1.270.0040.00423.97
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00623.96
8.1.230.0110.00019.01
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0040.00717.35
8.1.190.0080.00017.10
8.1.180.0070.00018.10
8.1.170.0090.00018.71
8.1.160.0000.00721.97
8.1.150.0040.00418.94
8.1.140.0000.00717.49
8.1.130.0000.00717.82
8.1.120.0000.00817.35
8.1.110.0000.00817.46
8.1.100.0040.00417.27
8.1.90.0060.00317.48
8.1.80.0040.00817.49
8.1.70.0030.00317.41
8.1.60.0000.00717.57
8.1.50.0060.00317.47
8.1.40.0000.00817.57
8.1.30.0000.00817.61
8.1.20.0050.00317.63
8.1.10.0080.00017.54
8.1.00.0000.00817.33
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0030.00318.43
8.0.270.0070.00017.12
8.0.260.0000.00717.16
8.0.250.0030.00316.91
8.0.240.0070.00016.94
8.0.230.0030.00316.82
8.0.220.0000.00716.84
8.0.210.0030.00316.73
8.0.200.0000.00716.90
8.0.190.0000.00716.93
8.0.180.0000.00816.97
8.0.170.0080.00016.90
8.0.160.0000.00716.75
8.0.150.0040.00416.80
8.0.140.0000.00716.85
8.0.130.0060.00013.36
8.0.120.0060.00316.93
8.0.110.0040.00416.86
8.0.100.0040.00417.00
8.0.90.0040.00416.91
8.0.80.0000.01516.86
8.0.70.0030.00516.76
8.0.60.0040.00416.82
8.0.50.0030.00516.76
8.0.30.0160.00516.97
8.0.20.0080.01117.40
8.0.10.0040.00416.97
8.0.00.0090.00916.92
7.4.330.0020.00215.00
7.4.320.0020.00516.50
7.4.300.0030.00316.36
7.4.290.0000.00616.40
7.4.280.0000.00816.59
7.4.270.0000.00616.60
7.4.260.0100.00016.62
7.4.250.0050.00216.36
7.4.240.0040.00416.59
7.4.230.0030.00316.69
7.4.220.0060.02016.52
7.4.210.0070.00716.54
7.4.200.0040.00416.39
7.4.160.0100.00616.20
7.4.150.0030.01517.40
7.4.140.0120.00517.86
7.4.130.0060.01216.56
7.4.120.0120.00616.48
7.4.110.0070.01016.42
7.4.100.0110.01116.59
7.4.90.0070.01016.41
7.4.80.0040.01419.39
7.4.70.0040.01316.32
7.4.60.0060.01016.38
7.4.50.0000.00816.22
7.4.40.0130.00316.46
7.4.30.0060.01216.51
7.4.00.0030.01414.80
7.3.330.0000.00513.19
7.3.320.0000.00513.23
7.3.310.0060.00016.15
7.3.300.0030.00316.32
7.3.290.0000.01416.31
7.3.280.0060.00916.34
7.3.270.0110.00717.40
7.3.260.0030.02016.32
7.3.250.0090.00816.56
7.3.240.0100.00716.29
7.3.230.0100.01016.62
7.3.210.0100.00716.41
7.3.200.0100.00719.39
7.3.190.0070.01016.60
7.3.180.0140.00316.47
7.3.170.0090.00616.50
7.3.160.0080.00816.59
7.3.120.0060.01214.89
7.3.110.0000.01114.77
7.3.100.0120.00315.03
7.3.90.0080.00814.77
7.3.80.0060.00614.69
7.3.70.0040.01114.80
7.3.60.0030.01014.78
7.3.50.0030.00914.82
7.3.40.0110.00414.62
7.3.30.0040.01114.63
7.3.20.0030.00616.70
7.3.10.0070.00516.70
7.3.00.0050.00816.73
7.2.330.0060.01616.68
7.2.320.0090.00716.44
7.2.310.0140.01116.67
7.2.300.0100.00716.46
7.2.290.0110.00416.74
7.2.250.0060.01314.86
7.2.240.0030.01315.09
7.2.230.0120.00315.18
7.2.220.0100.00314.53
7.2.210.0000.01014.88
7.2.200.0030.01614.98
7.2.190.0000.01215.02
7.2.180.0060.00614.98
7.2.170.0040.01414.80
7.2.130.0070.00716.76
7.2.120.0070.00716.90
7.2.110.0090.00316.75
7.2.100.0030.00616.72
7.2.90.0060.00916.91
7.2.80.0030.01316.86
7.2.70.0030.00716.95
7.2.60.0100.00616.97
7.2.50.0070.00716.84
7.2.40.0030.01016.71
7.2.30.0070.00716.60
7.2.20.0070.00416.86
7.2.10.0060.00616.90
7.2.00.0060.00818.05
7.1.330.0030.01315.70
7.1.320.0030.00615.78
7.1.310.0070.00715.71
7.1.300.0070.00315.82
7.1.290.0070.00715.71
7.1.280.0050.00515.42
7.1.270.0060.00615.62
7.1.260.0090.00315.39
7.1.250.0040.00415.72
7.1.100.0030.00918.01
7.1.70.0000.01017.13
7.1.60.0120.00919.46
7.1.50.0030.01216.71
7.1.00.0000.08022.40
7.0.200.0040.00416.61
7.0.140.0030.07022.18
7.0.60.0170.07720.06
7.0.50.0030.04017.85
7.0.40.0000.04720.10
7.0.30.0570.05720.10
7.0.20.0370.07720.30
7.0.10.0200.03720.12
7.0.00.0070.04020.05
5.6.280.0030.07321.00
5.6.210.0130.03720.65
5.6.200.0070.05718.28
5.6.190.0130.07020.34
5.6.180.0170.05020.46
5.6.170.0200.05320.56
5.6.160.0100.08020.55
5.6.150.0100.03318.19
5.6.140.0030.07718.28
5.6.130.0070.06318.18
5.6.120.0030.08321.12
5.6.110.0070.08021.00
5.6.100.0130.06021.03
5.6.90.0170.04721.08
5.6.80.0030.06320.29
5.6.70.3070.02320.40
5.5.350.0070.07020.34
5.5.340.0100.03317.96
5.5.330.0170.07020.13
5.5.320.0430.05320.20
5.5.310.0270.06020.24
5.5.300.0100.07718.09
5.5.290.0100.07718.03
5.5.280.0130.07320.73
5.5.270.0030.04320.76
5.5.260.0200.06020.95
5.5.250.0100.08020.71
5.5.240.0230.02320.14
5.4.450.3900.04019.38
5.4.440.0030.06719.45
5.4.430.1630.05719.43
5.4.420.4270.04019.26
5.4.410.4570.03719.26
5.4.400.3330.03719.11
5.4.390.2730.04319.20
5.4.380.3930.04019.11
5.4.370.2930.03018.93
5.4.360.3870.03719.26
5.4.350.3870.03019.06
5.4.340.3870.03719.22
5.4.320.3830.03719.17
5.4.310.3730.04019.25
5.4.300.3570.03319.00
5.4.290.4100.03319.04
5.4.280.3670.04319.10
5.4.270.4070.03719.22
5.4.260.4070.04019.13
5.4.250.4270.02719.12
5.4.240.0070.03319.16
5.4.230.0070.03318.93
5.4.220.4270.03319.20
5.4.210.4270.03719.07
5.4.200.4370.03719.20
5.4.190.4270.03319.12
5.4.180.4170.03719.27
5.4.170.3770.04019.21
5.4.160.4800.03719.21
5.4.150.3130.04318.96
5.4.140.0030.07016.52
5.4.130.4230.03716.39
5.4.120.5130.03016.49
5.4.110.3730.03016.45
5.4.100.3500.02316.48
5.4.90.3900.03716.39
5.4.80.4870.03316.26
5.4.70.3770.04016.54
5.4.60.4030.04016.44
5.4.50.3970.03316.45
5.4.40.4430.04016.49
5.4.30.3930.03316.45
5.4.20.4230.03016.42
5.4.10.3630.03716.53
5.4.00.3870.04015.94
5.3.290.3930.03714.68
5.3.280.3970.03314.60
5.3.270.4570.03714.65
5.3.260.4230.03714.67
5.3.250.0100.03714.52
5.3.240.0030.05314.63
5.3.230.4830.03314.64
5.3.220.4700.04314.63
5.3.210.4170.04314.61
5.3.200.3930.03714.71
5.3.190.3730.04314.60
5.3.180.4700.03714.59
5.3.170.4300.03314.61
5.3.160.4170.03714.58
5.3.150.4030.03714.57
5.3.140.4330.03714.69
5.3.130.4300.03714.59
5.3.120.4270.05314.69
5.3.110.4270.03314.54
5.3.100.3900.03714.05
5.3.90.4300.03014.02
5.3.80.4530.04314.05
5.3.70.3900.03314.07
5.3.60.3570.03314.02
5.3.50.3900.03313.97
5.3.40.4270.03713.98
5.3.30.3930.03313.96
5.3.20.1330.03713.85
5.3.10.3970.03713.69
5.3.00.3970.03713.70
5.2.170.3200.03011.11
5.2.160.3500.03011.22
5.2.150.3370.03711.11
5.2.140.3430.03311.14
5.2.130.3270.02711.03
5.2.120.3300.03011.14
5.2.110.3200.03011.05
5.2.100.2900.02710.98
5.2.90.3470.02311.09
5.2.80.3330.03310.98
5.2.70.3430.02711.24
5.2.60.3030.02711.02
5.2.50.3530.02711.07
5.2.40.2500.02710.96
5.2.30.2500.03310.96
5.2.20.2730.02710.96
5.2.10.2670.02710.78
5.2.00.2600.03010.72
5.1.60.2800.0279.98
5.1.50.1100.0309.90
5.1.40.1230.0239.98
5.1.30.1500.02310.36
5.1.20.2070.03010.38
5.1.10.1900.03010.21
5.1.00.2400.02010.09
5.0.50.1270.0208.68
5.0.40.1330.0178.43
5.0.30.1100.0308.20
5.0.20.0830.0208.11
5.0.10.1100.0178.14
5.0.00.1030.0308.26
4.4.90.1600.0175.83
4.4.80.1300.0135.82
4.4.70.1570.0175.83
4.4.60.1170.0205.84
4.4.50.0900.0135.87
4.4.40.0800.0275.80
4.4.30.0300.0135.89
4.4.20.0400.0175.86
4.4.10.0870.0135.88
4.4.00.1300.0235.84
4.3.110.0970.0175.74
4.3.100.0730.0175.81
4.3.90.1270.0135.78
4.3.80.1000.0235.68
4.3.70.1330.0135.83
4.3.60.0830.0135.75
4.3.50.0470.0175.67
4.3.40.0600.0235.64
4.3.30.0600.0175.05
4.3.20.0470.0135.05
4.3.10.0370.0175.05
4.3.00.0470.0175.05

preferences:
47.73 ms | 401 KiB | 5 Q