3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "Hello"; list($h, , $l, , $o) = $string; var_dump($get_defined_vars());

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)
8.3.60.0100.00716.50
8.3.50.0080.00816.36
8.3.40.0180.00018.70
8.3.30.0130.00318.72
8.3.20.0080.00018.50
8.3.10.0060.00320.71
8.3.00.0100.00017.48
8.2.180.0110.00716.63
8.2.170.0120.00322.96
8.2.160.0030.01021.05
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0080.00019.66
8.2.110.0090.00021.86
8.2.100.0080.00417.84
8.2.90.0060.00319.47
8.2.80.0040.00419.24
8.2.70.0000.00817.50
8.2.60.0060.00318.04
8.2.50.0040.00418.07
8.2.40.0000.00818.28
8.2.30.0040.00417.91
8.2.20.0040.00417.71
8.2.10.0040.00417.63
8.2.00.0000.00817.73
8.1.280.0080.00825.92
8.1.270.0100.00324.66
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00623.85
8.1.230.0040.00719.02
8.1.220.0050.00317.74
8.1.210.0080.00418.77
8.1.200.0030.00617.13
8.1.190.0110.00017.15
8.1.180.0050.00318.10
8.1.170.0040.00418.70
8.1.160.0000.00818.77
8.1.150.0000.00818.55
8.1.140.0030.00717.38
8.1.130.0030.00317.87
8.1.120.0070.00017.29
8.1.110.0040.00417.38
8.1.100.0000.00817.36
8.1.90.0000.00717.27
8.1.80.0000.00717.30
8.1.70.0030.00317.31
8.1.60.0000.00917.43
8.1.50.0000.00817.36
8.1.40.0000.00817.38
8.1.30.0000.00917.63
8.1.20.0030.00617.51
8.1.10.0070.00017.58
8.1.00.0040.00417.51
8.0.300.0000.00719.98
8.0.290.0000.00716.63
8.0.280.0040.00418.27
8.0.270.0040.00417.19
8.0.260.0030.00316.72
8.0.250.0050.00216.82
8.0.240.0070.00016.85
8.0.230.0030.00316.90
8.0.220.0000.00716.87
8.0.210.0000.00816.85
8.0.200.0070.00016.93
8.0.190.0040.00416.98
8.0.180.0000.00716.79
8.0.170.0090.00016.79
8.0.160.0040.00416.77
8.0.150.0030.00616.75
8.0.140.0070.00316.88
8.0.130.0050.00013.35
8.0.120.0020.00516.72
8.0.110.0070.00016.79
8.0.100.0000.00816.83
8.0.90.0000.00716.95
8.0.80.0110.00316.76
8.0.70.0040.00416.76
8.0.60.0030.00516.90
8.0.50.0000.00716.86
8.0.30.0090.01117.04
8.0.20.0090.00917.25
8.0.10.0000.00716.85
8.0.00.0110.00916.72
7.4.330.0000.00513.03
7.4.320.0070.00016.53
7.4.300.0000.00616.60
7.4.290.0030.00716.49
7.4.280.0000.00716.50
7.4.270.0070.00016.39
7.4.260.0000.00513.21
7.4.250.0080.00016.62
7.4.240.0070.00016.57
7.4.230.0000.00716.60
7.4.220.0160.00616.59
7.4.210.0080.00616.57
7.4.200.0030.00316.53
7.4.190.0000.00716.62
7.4.160.0110.00416.45
7.4.150.0070.01016.47
7.4.140.0070.01116.47
7.4.130.0110.00716.53
7.4.120.0110.00616.45
7.4.110.0070.01516.42
7.4.100.0130.00316.59
7.4.90.0080.01116.49
7.4.80.0080.00816.61
7.4.70.0060.01016.35
7.4.60.0140.00316.57
7.4.50.0030.00316.33
7.4.40.0100.00316.36
7.4.30.0120.00316.39
7.4.00.0090.00614.97
7.3.330.0070.00013.19
7.3.320.0000.00513.11
7.3.310.0000.00716.40
7.3.300.0070.00016.15
7.3.290.0060.01016.34
7.3.280.0090.00716.30
7.3.270.0140.00416.28
7.3.260.0170.00116.42
7.3.250.0110.00716.43
7.3.240.0130.00316.53
7.3.230.0150.00916.43
7.3.210.0060.01016.41
7.3.200.0090.00919.39
7.3.190.0160.00616.30
7.3.180.0030.01216.37
7.3.170.0090.00916.27
7.3.160.0030.01216.30
7.3.120.0030.01015.01
7.3.10.0050.01116.32
7.3.00.0030.01316.42
7.2.330.0090.00916.63
7.2.320.0070.01616.69
7.2.310.0420.02216.55
7.2.300.0040.01216.34
7.2.290.0000.01816.25
7.2.130.0040.00716.54
7.2.120.0180.00616.59
7.2.110.0050.00816.78
7.2.100.0100.00616.23
7.2.90.0170.00016.59
7.2.80.0080.00316.61
7.2.70.0100.00716.68
7.2.60.0110.00316.60
7.2.50.0000.01416.31
7.2.40.0030.01316.79
7.2.30.0210.00316.80
7.2.20.0210.00316.77
7.2.10.0070.01416.69
7.2.00.0050.01118.14
7.1.250.0060.00915.41
7.1.200.0000.01015.79
7.1.100.0100.00318.07
7.1.70.0000.00817.07
7.1.60.0130.01019.40
7.1.50.0060.01316.88
7.1.00.0030.07722.57
7.0.200.0000.00816.81
7.0.140.0030.05022.22
7.0.120.0030.07322.00
7.0.60.0170.07319.95
7.0.50.0070.08017.90
7.0.40.0330.07020.21
7.0.30.0300.07320.11
7.0.20.0230.06020.11
7.0.10.0270.08320.11
7.0.00.0370.06020.14
5.6.280.0030.07020.77
5.6.210.0100.06320.66
5.6.200.0030.05318.12
5.6.190.0230.05720.58
5.6.180.0330.07320.45
5.6.170.0370.07020.56
5.6.160.0270.05720.32
5.6.150.0230.05020.40
5.6.140.0270.07720.38
5.6.130.0370.06720.38
5.6.120.0330.06320.40
5.6.110.0300.06320.16
5.6.100.0370.07320.45
5.6.90.0270.06720.35
5.6.80.0230.05719.71
5.6.70.0370.07719.75
5.6.60.0370.07019.48
5.6.50.0170.05019.82
5.6.40.0270.03319.69
5.6.30.0300.03719.48
5.6.20.0200.03719.79
5.6.10.0170.04719.68
5.6.00.0130.04719.78
5.5.350.0230.08720.36
5.5.340.0000.08317.88
5.5.330.0270.06020.45
5.5.320.0370.07320.07
5.5.310.0400.07320.40
5.5.300.0270.04720.21
5.5.290.0300.06720.13
5.5.280.0270.08719.91
5.5.270.0370.07319.97
5.5.260.0330.07720.22
5.5.250.0270.08319.79
5.5.240.0200.06019.32
5.5.230.0300.08319.63
5.5.220.0270.04019.36
5.5.210.0200.04319.29
5.5.200.0230.03719.53
5.5.190.0130.04719.50
5.5.180.0170.04019.26
5.5.160.0200.03719.55
5.5.150.0170.04019.56
5.5.140.0130.04319.32
5.5.130.0230.03719.50
5.5.120.0230.03319.25
5.5.110.0400.02719.51
5.5.100.0270.03019.16
5.5.90.0200.03719.46
5.5.80.0200.03719.32
5.5.70.0170.04019.42
5.5.60.0230.04319.17
5.5.50.0200.03719.16
5.5.40.0200.03719.15
5.5.30.0270.03319.46
5.5.20.0300.03719.44
5.5.10.0100.04719.29
5.5.00.0230.03319.45
5.4.450.0430.06319.40
5.4.440.0330.07019.13
5.4.430.0370.06719.43
5.4.420.0330.07019.50
5.4.410.0370.06318.98
5.4.400.0270.03719.09
5.4.390.0270.05719.07
5.4.380.0400.06318.81
5.4.370.0270.04719.14
5.4.360.0230.03718.79
5.4.350.0230.03718.81
5.4.340.0170.03719.19
5.4.320.0200.05019.14
5.4.310.0230.04019.18
5.4.300.0170.04318.92
5.4.290.0130.04019.08
5.4.280.0170.04019.08
5.4.270.0300.03719.09
5.4.260.0230.03719.15
5.4.250.0130.04319.17
5.4.240.0230.03719.14
5.4.230.0200.03719.08
5.4.220.0200.04019.00
5.4.210.0170.03719.17
5.4.200.0170.04019.08
5.4.190.0130.04319.14
5.4.180.0230.03319.13
5.4.170.0200.04319.09
5.4.160.0130.04019.19
5.4.150.0300.02719.18
5.4.140.0200.03316.25
5.4.130.0170.04016.33
5.4.120.0230.07016.24
5.4.110.0230.03016.32
5.4.100.0230.04016.27
5.4.90.0270.07016.29
5.4.80.0230.04716.31
5.4.70.0300.06716.27
5.4.60.0300.04316.32
5.4.50.0300.03016.22
5.4.40.0330.03316.13
5.4.30.0300.07016.45
5.4.20.0430.05316.21
5.4.10.0330.04016.24
5.4.00.0300.03015.78
5.3.290.0270.04714.58
5.3.280.0230.03014.52
5.3.270.0170.03714.56
5.3.260.0230.03014.53
5.3.250.0230.06314.61
5.3.240.0200.03314.54
5.3.230.0200.03714.49
5.3.220.0200.04014.35
5.3.210.0170.04014.48
5.3.200.0330.07714.46
5.3.190.0300.06714.54
5.3.180.0370.06714.43
5.3.170.0270.06714.48
5.3.160.0300.07014.50
5.3.150.0370.05714.52
5.3.140.0230.04014.52
5.3.130.0230.07314.48
5.3.120.0270.04714.46
5.3.110.0330.07314.49
5.3.100.0270.04013.96
5.3.90.0230.03714.13
5.3.80.0230.05013.99
5.3.70.0270.04313.84
5.3.60.0330.06013.93
5.3.50.0300.07013.88
5.3.40.0300.05713.88
5.3.30.0300.03013.69
5.3.20.0230.05313.64
5.3.10.0300.07013.58
5.3.00.0300.07013.60
5.2.170.0230.05312.86
5.2.160.0270.06012.86
5.2.150.0200.03012.86
5.2.140.0270.02312.86
5.2.130.0200.05012.86
5.2.120.0270.06012.86
5.2.110.0270.05312.86
5.2.100.0330.03712.86
5.2.90.0270.05712.86
5.2.80.0270.05712.86
5.2.70.0370.04712.86
5.2.60.0200.05712.86
5.2.50.0200.03012.86
5.2.40.0230.05312.86
5.2.30.0170.05312.86
5.2.20.0170.06312.86
5.2.10.0230.04012.86
5.2.00.0230.05012.86
5.1.60.0270.03712.86
5.1.50.0230.04312.86
5.1.40.0170.03712.86
5.1.30.0130.03312.86
5.1.20.0170.05012.86
5.1.10.0170.06012.86
5.1.00.0270.02712.86
5.0.50.0070.04712.86
5.0.40.0170.03012.86
5.0.30.0130.05312.86
5.0.20.0100.03312.86
5.0.10.0170.04012.86
5.0.00.0100.05312.86
4.4.90.0170.03312.86
4.4.80.0100.03712.86
4.4.70.0130.02312.86
4.4.60.0130.03012.86
4.4.50.0100.03312.86
4.4.40.0170.04712.86
4.4.30.0170.03312.86
4.4.20.0130.03012.86
4.4.10.0070.02312.86
4.4.00.0130.05012.86
4.3.110.0130.02312.86
4.3.100.0200.02712.86
4.3.90.0170.01712.86
4.3.80.0170.02012.86
4.3.70.0100.03312.86
4.3.60.0070.03712.86
4.3.50.0100.03312.86
4.3.40.0170.04312.86
4.3.30.0070.03712.86
4.3.20.0030.02012.86
4.3.10.0030.02012.86
4.3.00.0100.03312.86

preferences:
65.9 ms | 401 KiB | 5 Q