3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'bar'; $bar = [ 'baz' => 'baz' ]; echo $$foo['baz'].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)
8.3.60.0090.00918.39
8.3.50.0130.00820.96
8.3.40.0150.00618.65
8.3.30.0110.00318.58
8.3.20.0040.00420.18
8.3.10.0050.00221.58
8.3.00.0000.00819.56
8.2.180.0090.00618.41
8.2.170.0110.00422.96
8.2.160.0160.00320.57
8.2.150.0050.00324.18
8.2.140.0070.00324.66
8.2.130.0050.00226.16
8.2.120.0030.00617.46
8.2.110.0040.00422.14
8.2.100.0080.00417.63
8.2.90.0040.00419.34
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0080.00018.16
8.2.50.0000.00818.07
8.2.40.0110.00021.06
8.2.30.0040.00417.99
8.2.20.0000.00717.77
8.2.10.0050.00217.92
8.2.00.0020.00518.03
8.1.280.0070.01025.92
8.1.270.0040.00420.39
8.1.260.0090.00026.35
8.1.250.0000.00828.09
8.1.240.0000.00922.46
8.1.230.0110.00017.48
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0040.00417.00
8.1.180.0030.00618.10
8.1.170.0040.00418.60
8.1.160.0000.00822.02
8.1.150.0040.00418.88
8.1.140.0080.00017.31
8.1.130.0030.00317.60
8.1.120.0070.00017.45
8.1.110.0070.00017.44
8.1.100.0020.00517.45
8.1.90.0030.00517.50
8.1.80.0040.00417.46
8.1.70.0040.00417.44
8.1.60.0080.00017.56
8.1.50.0000.00817.52
8.1.40.0000.00717.52
8.1.30.0040.00417.47
8.1.20.0040.00417.66
8.1.10.0000.00717.50
8.1.00.0040.00417.42
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0030.00518.34
8.0.270.0000.00717.24
8.0.260.0060.00017.17
8.0.250.0040.00416.97
8.0.240.0090.00016.89
8.0.230.0030.00316.82
8.0.220.0000.00616.87
8.0.210.0050.00316.90
8.0.200.0000.00816.96
8.0.190.0030.00516.98
8.0.180.0000.00716.88
8.0.170.0040.00416.82
8.0.160.0030.00616.76
8.0.150.0040.00816.88
8.0.140.0050.00516.79
8.0.130.0030.00313.30
8.0.120.0040.00416.91
8.0.110.0070.00016.93
8.0.100.0040.00416.93
8.0.90.0000.00716.86
8.0.80.0110.00316.89
8.0.70.0070.00016.96
8.0.60.0000.00716.78
8.0.50.0040.00416.82
8.0.30.0080.00917.23
8.0.20.0100.00917.40
8.0.10.0040.00416.86
8.0.00.0120.00616.61
7.4.330.0050.00015.16
7.4.320.0060.00016.60
7.4.300.0000.00616.56
7.4.290.0000.00616.50
7.4.280.0070.00016.59
7.4.270.0070.00016.61
7.4.260.0030.00316.49
7.4.250.0030.00616.54
7.4.240.0050.00216.51
7.4.230.0030.00416.23
7.4.220.0130.01316.41
7.4.210.0030.01016.53
7.4.200.0030.00316.48
7.4.160.0120.00816.48
7.4.150.0150.00417.40
7.4.140.0160.00817.86
7.4.130.0120.00816.56
7.4.120.0080.00916.51
7.4.110.0030.01416.36
7.4.100.0070.01116.48
7.4.90.0090.00916.50
7.4.80.0120.00819.39
7.4.70.0100.00816.38
7.4.60.0070.01016.54
7.4.50.0040.00416.51
7.4.40.0080.00816.56
7.4.30.0060.01016.57
7.4.00.0030.01415.09
7.3.330.0030.00313.09
7.3.320.0030.00313.20
7.3.310.0000.00716.33
7.3.300.0030.00316.16
7.3.290.0140.00816.22
7.3.280.0080.00916.23
7.3.270.0090.00917.40
7.3.260.0150.00316.24
7.3.250.0130.00816.24
7.3.240.0170.00016.30
7.3.230.0030.01416.39
7.3.210.0080.00816.48
7.3.200.0100.00616.43
7.3.190.0130.00416.47
7.3.180.0090.00616.44
7.3.170.0170.00316.27
7.3.160.0090.00716.60
7.2.330.0030.01616.73
7.2.320.0060.01016.77
7.2.310.0090.00616.33
7.2.300.0070.01016.45
7.2.290.0110.01116.28
7.2.60.0080.00817.06
7.2.00.0070.00719.05
7.1.200.0070.00015.86
7.1.100.0030.00917.89
7.1.70.0080.00317.03
7.1.60.0040.02220.03
7.1.50.0030.01016.93
7.1.00.0100.07022.50
7.0.200.0040.00816.60
7.0.60.0100.03719.97
7.0.50.0030.04717.77
7.0.40.0070.08020.25
7.0.30.0270.05720.01
7.0.20.0300.06320.09
7.0.10.0070.05320.21
7.0.00.0070.05320.00
5.6.280.0100.06021.01
5.6.210.0170.05720.47
5.6.200.0030.04018.22
5.6.190.0100.04720.39
5.6.180.0270.06320.67
5.6.170.0100.04720.45
5.6.160.0070.08320.71
5.6.150.0070.08018.20
5.6.140.0070.03718.18
5.6.130.0100.08718.20
5.6.120.0000.04321.13
5.6.110.0130.08021.04
5.6.100.0130.06320.98
5.6.90.0070.04721.07
5.6.80.0100.06320.50
5.6.70.4400.03720.38
5.5.350.0100.08020.51
5.5.340.0170.07018.00
5.5.330.0000.06720.42
5.5.320.0300.07020.28
5.5.310.0270.06720.32
5.5.300.0000.04317.88
5.5.290.0070.06717.95
5.5.280.0030.08320.97
5.5.270.0170.06720.75
5.5.260.0100.08020.72
5.5.250.0170.05720.62
5.5.240.0030.08020.16
5.4.450.0530.05019.28
5.4.440.0600.05019.62
5.4.430.0530.06719.57
5.4.420.0870.06019.48
5.4.410.0830.06719.33
5.4.400.0730.06319.30
5.4.390.0630.05319.02
5.4.380.0700.05319.25
5.4.370.0500.05318.99
5.4.360.0670.06018.80
5.4.350.0570.06719.30
5.4.340.0670.04019.13
5.4.320.0100.06019.32
5.4.310.0170.07019.07
5.4.300.0270.05718.80
5.4.290.0630.03719.11
5.4.280.0400.06719.15
5.4.270.0400.07019.16
5.4.260.0570.06718.77
5.4.250.0470.05019.19
5.4.240.0630.05019.13
5.4.230.0530.06018.82
5.4.220.0500.06019.15
5.4.210.0500.05718.82
5.4.200.0570.05716.63
5.4.190.0500.06018.91
5.4.180.0770.04719.10
5.4.170.0670.05318.93
5.4.160.0400.05719.05
5.4.150.0400.05718.80
5.4.140.0470.05016.60
5.4.130.0400.05716.43
5.4.120.0600.03716.32
5.4.110.0430.05016.50
5.4.100.0430.05316.55
5.4.90.0500.04716.32
5.4.80.0430.05016.30
5.4.70.0530.04316.46
5.4.60.0500.04316.29
5.4.50.0430.05016.47
5.4.40.0370.06316.45
5.4.30.0470.04716.39
5.4.20.0500.05016.40
5.4.10.0470.05016.51
5.4.00.0400.05015.92

preferences:
52.81 ms | 401 KiB | 5 Q