3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "hello"; echo $$a;

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)
8.3.40.0140.00718.87
8.3.30.0070.00720.21
8.3.20.0030.00520.21
8.3.10.0070.00021.04
8.3.00.0040.00422.57
8.2.170.0150.00022.96
8.2.160.0100.00322.06
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0030.00326.16
8.2.120.0030.00520.78
8.2.110.0060.00319.51
8.2.100.0080.00417.84
8.2.90.0040.00418.96
8.2.80.0000.00818.05
8.2.70.0050.00317.50
8.2.60.0060.00318.04
8.2.50.0040.00418.07
8.2.40.0000.01017.96
8.2.30.0000.00719.34
8.2.20.0030.00517.64
8.2.10.0070.00017.58
8.2.00.0020.00517.78
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00623.87
8.1.230.0070.00420.84
8.1.220.0000.00818.77
8.1.210.0040.00419.01
8.1.200.0060.00317.10
8.1.190.0090.00017.41
8.1.180.0080.00018.10
8.1.170.0000.00818.37
8.1.160.0030.00518.86
8.1.150.0000.00718.61
8.1.140.0000.00717.47
8.1.130.0040.00417.72
8.1.120.0050.00317.50
8.1.110.0060.00317.41
8.1.100.0050.00217.44
8.1.90.0040.00417.37
8.1.80.0000.00717.39
8.1.70.0070.00017.48
8.1.60.0040.00417.58
8.1.50.0000.00717.57
8.1.40.0000.00817.50
8.1.30.0000.00817.58
8.1.20.0040.00417.61
8.1.10.0000.00717.49
8.1.00.0070.00017.50
8.0.300.0070.00020.05
8.0.290.0030.00317.04
8.0.280.0000.00818.31
8.0.270.0000.00717.24
8.0.260.0000.00716.76
8.0.250.0060.00317.02
8.0.240.0000.00816.99
8.0.230.0000.00717.05
8.0.220.0030.00316.93
8.0.210.0080.00016.93
8.0.200.0060.00016.89
8.0.190.0030.00317.03
8.0.180.0030.00616.96
8.0.170.0000.00716.99
8.0.160.0040.00416.80
8.0.150.0030.00316.90
8.0.140.0040.00416.92
8.0.130.0000.00613.33
8.0.120.0080.00017.02
8.0.110.0040.00416.89
8.0.100.0030.00516.89
8.0.90.0070.00016.80
8.0.80.0060.00916.96
8.0.70.0000.00716.89
8.0.60.0030.00316.74
8.0.50.0040.00416.96
8.0.30.0120.00617.17
8.0.20.0130.00917.40
8.0.10.0000.00716.95
8.0.00.0080.01016.66
7.4.330.0050.00016.82
7.4.320.0030.00316.41
7.4.300.0030.00316.64
7.4.290.0070.00016.63
7.4.280.0070.00016.49
7.4.270.0070.00016.58
7.4.260.0000.00513.29
7.4.250.0000.00816.55
7.4.240.0040.00416.51
7.4.230.0030.00316.66
7.4.220.0090.00916.62
7.4.210.0090.00716.53
7.4.200.0000.00716.61
7.4.190.0000.00716.45
7.4.160.0060.01016.32
7.4.150.0120.00917.40
7.4.140.0100.01217.86
7.4.130.0050.01316.58
7.4.120.0120.00816.53
7.4.110.0040.01416.47
7.4.100.0030.01716.63
7.4.90.0100.00716.53
7.4.80.0050.01219.39
7.4.70.0090.00616.64
7.4.60.0100.00616.55
7.4.50.0080.00016.47
7.4.40.0070.00722.77
7.4.30.0170.00016.45
7.4.00.0100.00714.80
7.3.330.0000.00513.00
7.3.320.0030.00313.05
7.3.310.0000.00716.07
7.3.300.0070.00016.11
7.3.290.0110.00316.25
7.3.280.0120.00416.31
7.3.270.0080.01117.40
7.3.260.0150.00318.24
7.3.250.0080.00916.22
7.3.240.0200.00416.47
7.3.230.0070.01016.44
7.3.210.0030.01316.22
7.3.200.0130.00619.39
7.3.190.0100.00716.29
7.3.180.0140.00716.34
7.3.170.0100.01016.51
7.3.160.0090.00616.37
7.3.120.0030.01015.02
7.2.330.0080.00816.58
7.2.320.0070.01116.70
7.2.310.0100.01016.42
7.2.300.0100.00616.37
7.2.290.0140.00716.38
7.2.00.0080.00819.45
7.1.200.0200.00415.07
7.1.100.0100.00617.96
7.1.70.0030.00717.05
7.1.60.0040.01519.17
7.1.50.0070.01116.50
7.1.00.0000.08022.40
7.0.200.0040.00914.91
7.0.140.0100.06722.12
7.0.100.0470.07019.94
7.0.90.0430.06719.91
7.0.80.0300.08719.86
7.0.70.0430.07320.14
7.0.60.0100.09319.87
7.0.50.0200.05720.19
7.0.40.0070.07720.04
7.0.30.0170.07320.13
7.0.20.0130.06720.18
7.0.10.0100.07720.07
7.0.00.0070.08020.09
5.6.250.0100.07720.62
5.6.240.0100.08020.71
5.6.230.0070.05020.74
5.6.220.0000.09020.62
5.6.210.0070.06720.76
5.6.200.0170.07321.03
5.6.190.0100.08021.07
5.6.180.0070.07721.05
5.6.170.0030.06321.13
5.6.160.0070.08020.98
5.6.150.0070.04721.04
5.6.140.0070.08020.99
5.6.130.0030.05321.07
5.6.120.0200.03721.02
5.6.110.0070.04021.00
5.6.100.0130.06321.00
5.6.90.0070.06721.01
5.6.80.0030.08320.45
5.6.70.0070.07720.43
5.6.60.0100.07020.40
5.6.50.0070.07720.39
5.6.40.0200.06320.35
5.6.30.0100.07320.39
5.6.20.0100.08020.43
5.6.10.0200.07020.52
5.6.00.0130.07020.44
5.5.380.0170.07320.35
5.5.370.0070.08020.34
5.5.360.0130.07720.40
5.5.350.0100.05020.44
5.5.340.0130.07720.63
5.5.330.0070.07720.89
5.5.320.0070.06720.79
5.5.310.0030.08320.79
5.5.300.0070.07320.81
5.5.290.0130.04320.82
5.5.280.0030.09020.78
5.5.270.0130.08720.75
5.5.260.0030.08320.79
5.5.250.0100.08320.57
5.5.240.0030.09720.30
5.5.230.0070.08319.98
5.5.220.0030.08720.15
5.5.210.0030.05720.23
5.5.200.0200.06320.26
5.5.190.0070.07720.26
5.5.180.0170.07020.18
5.5.160.0030.08320.25
5.5.150.0230.05720.11
5.5.140.0070.04720.16
5.5.130.0070.07320.17
5.5.120.0130.07020.22
5.5.110.0130.07320.25
5.5.100.0070.04720.13
5.5.90.0030.07020.02
5.5.80.0070.08020.05
5.5.70.0030.08020.07
5.5.60.0130.07020.08
5.5.50.0070.05020.02
5.5.40.0030.07320.08
5.5.30.0070.04320.11
5.5.20.0170.06320.03
5.5.10.0170.07020.06
5.5.00.0030.08720.06
5.4.450.0070.07319.38
5.4.440.0030.06019.36
5.4.430.0070.07719.44
5.4.420.0200.06019.40
5.4.410.0100.07719.32
5.4.400.0070.07019.25
5.4.390.0100.07719.14
5.4.380.0100.07019.23
5.4.370.0000.07018.96
5.4.360.0130.07319.07
5.4.350.0030.08019.14
5.4.340.0070.04719.03
5.4.320.0100.07018.95
5.4.310.0100.07319.12
5.4.300.0130.07018.96
5.4.290.0000.08719.07
5.4.280.0170.06018.96
5.4.270.0070.06319.02
5.4.260.0070.06719.14
5.4.250.0170.05719.07
5.4.240.0100.04019.09
5.4.230.0070.05718.80
5.4.220.0070.07719.05
5.4.210.0130.04019.04
5.4.200.0130.07019.04
5.4.190.0030.05019.04
5.4.180.0030.08019.09
5.4.170.0170.03318.93
5.4.160.0030.04719.07
5.4.150.0030.05319.11
5.4.140.0100.06716.06
5.4.130.0100.05016.36
5.4.120.0030.07316.31
5.4.110.0030.08016.30
5.4.100.0070.07716.36
5.4.90.0100.06716.23
5.4.80.0100.04716.19
5.4.70.0100.06016.24
5.4.60.0070.06716.19
5.4.50.0100.07316.31
5.4.40.0130.06716.25
5.4.30.0000.08016.24
5.4.20.0070.07016.29
5.4.10.0070.08016.22
5.4.00.0030.07315.73
5.3.290.0100.07314.62
5.3.280.0030.06014.58
5.3.270.0030.04714.54
5.3.260.0000.06314.51
5.3.250.0000.08314.45
5.3.240.0100.06714.53
5.3.230.0130.07014.45
5.3.220.0100.06714.42
5.3.210.0030.07314.52
5.3.200.0030.07714.55
5.3.190.0100.05714.55
5.3.180.0070.03714.54
5.3.170.0100.08014.57
5.3.160.0070.03714.39
5.3.150.0130.07014.42
5.3.140.0000.04714.51
5.3.130.0070.07714.53
5.3.120.0070.07714.49
5.3.110.0000.08314.50
5.3.100.0100.07313.97
5.3.90.0070.07714.02
5.3.80.0100.05714.01
5.3.70.0070.07313.92
5.3.60.0100.06713.95
5.3.50.0000.08013.89
5.3.40.0030.07313.87
5.3.30.0100.07313.67
5.3.20.0070.07713.69
5.3.10.0000.04313.65
5.3.00.0170.06013.65
5.2.170.0100.05313.65
5.2.160.0100.06313.65
5.2.150.0000.03713.65
5.2.140.0070.05313.65
5.2.130.0070.06013.65
5.2.120.0030.06013.65
5.2.110.0070.05713.65
5.2.100.0030.06313.65
5.2.90.0070.03713.65
5.2.80.0130.04713.65
5.2.70.0070.06313.65
5.2.60.0000.04013.65
5.2.50.0070.05013.65
5.2.40.0000.06713.65
5.2.30.0070.04013.65
5.2.20.0070.04713.65
5.2.10.0100.02713.65
5.2.00.0030.06013.65
5.1.60.0070.03713.65
5.1.50.0030.05313.65
5.1.40.0030.05313.65
5.1.30.0070.05313.65
5.1.20.0030.05313.65
5.1.10.0100.05013.65
5.1.00.0070.05013.65
5.0.50.0070.03713.65
5.0.40.0070.04013.65
5.0.30.0030.05313.65
5.0.20.0100.04013.65
5.0.10.0100.03713.65
5.0.00.0000.06713.65
4.4.90.0000.02013.65
4.4.80.0000.03313.65
4.4.70.0000.04013.65
4.4.60.0030.03713.65
4.4.50.0030.03713.65
4.4.40.0000.05313.65
4.4.30.0030.02013.65
4.4.20.0000.04013.65
4.4.10.0030.03713.65
4.4.00.0070.05013.65
4.3.110.0030.01713.65
4.3.100.0000.03313.65
4.3.90.0070.03013.65
4.3.80.0130.04313.65
4.3.70.0030.03013.65
4.3.60.0070.02713.65
4.3.50.0070.03013.65
4.3.40.0000.05313.65
4.3.30.0000.03313.65
4.3.20.0000.03713.65
4.3.10.0000.03713.65
4.3.00.0000.03013.65

preferences:
40.07 ms | 400 KiB | 5 Q