3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['contact', 'home', 'projects']; [$a[0], $a[1]] = [$a[1], $a[0]]; var_export($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)
8.4.120.0130.01022.00
8.4.110.0130.00822.65
8.4.100.0080.00417.64
8.4.90.0120.00818.88
8.4.80.0140.00717.89
8.4.70.0130.01017.84
8.4.60.0090.00718.89
8.4.50.0060.00318.58
8.4.40.0030.00617.71
8.4.30.0050.00320.17
8.4.20.0040.00417.77
8.4.10.0000.01519.32
8.3.250.0130.00818.80
8.3.240.0150.00416.51
8.3.230.0140.00616.50
8.3.220.0070.00117.04
8.3.210.0110.00716.57
8.3.200.0060.00316.52
8.3.190.0090.01018.70
8.3.180.0040.00518.36
8.3.170.0090.00917.23
8.3.160.0110.00718.23
8.3.150.0070.01117.23
8.3.140.0070.00416.42
8.3.130.0120.00318.17
8.3.120.0040.00418.93
8.3.110.0000.00920.94
8.3.100.0090.00024.06
8.3.90.0040.00426.77
8.3.80.0040.00416.49
8.3.70.0110.00816.58
8.3.60.0120.00318.40
8.3.50.0190.00323.56
8.3.40.0070.00718.57
8.3.30.0110.00318.59
8.3.20.0080.00020.86
8.3.10.0040.00423.62
8.3.00.0050.00319.69
8.2.290.0090.01020.62
8.2.280.0040.00418.24
8.2.270.0060.00316.96
8.2.260.0110.00718.25
8.2.250.0040.00416.49
8.2.240.0150.00416.96
8.2.230.0000.02022.58
8.2.220.0060.00337.54
8.2.210.0000.00726.77
8.2.200.0090.00016.75
8.2.190.0070.00716.63
8.2.180.0090.01516.63
8.2.170.0180.00422.96
8.2.160.0030.01221.19
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0030.01220.70
8.2.110.0060.00319.39
8.2.100.0090.00317.84
8.2.90.0000.00817.84
8.2.80.0000.00817.98
8.2.70.0040.00417.63
8.2.60.0000.00717.63
8.2.50.0060.00318.10
8.2.40.0040.00419.21
8.2.30.0050.00219.20
8.2.20.0080.00018.06
8.2.10.0070.00019.19
8.2.00.0050.00219.27
8.1.330.0060.01321.86
8.1.320.0110.00916.13
8.1.310.0100.00718.48
8.1.300.0070.01019.42
8.1.290.0080.00018.88
8.1.280.0120.00925.92
8.1.270.0040.00424.02
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00319.14
8.1.230.0080.00322.82
8.1.220.0050.00317.74
8.1.210.0050.00218.97
8.1.200.0000.00817.48
8.1.190.0030.00517.35
8.1.180.0000.00818.85
8.1.170.0000.00818.66
8.1.160.0080.00019.03
8.1.150.0090.00018.78
8.1.140.0050.00220.81
8.1.130.0060.00317.35
8.1.120.0050.00317.47
8.1.110.0040.00317.44
8.1.100.0080.00417.35
8.1.90.0050.00617.33
8.1.80.0050.00717.43
8.1.70.0040.00717.36
8.1.60.0030.00917.46
8.1.50.0090.00317.51
8.1.40.0080.00517.47
8.1.30.0080.00817.59
8.1.20.0090.00717.47
8.1.10.0120.00417.51
8.1.00.0090.00717.45
8.0.300.0070.00020.03
8.0.290.0000.00716.75
8.0.280.0030.00318.35
8.0.270.0030.00316.81
8.0.260.0030.00316.81
8.0.250.0000.00716.82
8.0.240.0040.00316.86
8.0.230.0090.00216.93
8.0.220.0070.00416.87
8.0.210.0050.00616.88
8.0.200.0040.00716.88
8.0.190.0100.00116.93
8.0.180.0090.00216.87
8.0.170.0090.00616.81
8.0.160.0070.00816.78
8.0.150.0070.00716.76
8.0.140.0090.00616.81
8.0.130.0130.00315.85
8.0.120.0100.00716.88
8.0.110.0110.00416.84
8.0.100.0120.00316.82
8.0.90.0110.00416.76
8.0.80.0130.00516.83
8.0.70.0120.00416.85
8.0.60.0120.00416.82
8.0.50.0130.00316.81
8.0.30.0150.00416.88
8.0.20.0120.00616.95
8.0.10.0130.00416.93
8.0.00.0100.00816.90
7.4.330.0050.00015.55
7.4.320.0080.00316.54
7.4.300.0070.00216.53
7.4.290.0080.00316.58
7.4.280.0110.00416.52
7.4.270.0100.00516.50
7.4.260.0090.00416.50
7.4.250.0080.00616.50
7.4.240.0100.00416.52
7.4.230.0110.00516.54
7.4.220.0080.00316.39
7.4.210.0090.00716.52
7.4.200.0080.00616.52
7.4.190.0080.00916.35
7.4.180.0100.00316.51
7.4.160.0110.00516.42
7.4.150.0110.00616.53
7.4.140.0070.00916.45
7.4.130.0090.00916.47
7.4.120.0110.00516.42
7.4.110.0080.00716.46
7.4.100.0100.00716.45
7.4.90.0100.00716.44
7.4.80.0100.00616.93
7.4.70.0110.00416.29
7.4.60.0070.00816.40
7.4.50.0090.00416.31
7.4.40.0090.00516.20
7.4.30.0090.00616.37
7.4.20.0080.00716.41
7.4.10.0100.00616.34
7.4.00.0080.00816.33
7.3.330.0100.00516.25
7.3.320.0120.00415.36
7.3.310.0130.00416.26
7.3.300.0140.00216.13
7.3.290.0120.00516.23
7.3.280.0120.00616.31
7.3.270.0160.00416.30
7.3.260.0120.00816.26
7.3.250.0160.00316.22
7.3.240.0160.00216.28
7.3.230.0130.00616.28
7.3.220.0120.00716.25
7.3.210.0130.00616.17
7.3.200.0150.00316.20
7.3.190.0140.00516.25
7.3.180.0140.00416.14
7.3.170.0130.00516.17
7.3.160.0110.00816.16
7.3.150.0100.00816.15
7.3.140.0120.00616.25
7.3.130.0100.00816.16
7.3.120.0120.00616.22
7.3.110.0110.00816.17
7.3.100.0100.00816.25
7.3.90.0110.00716.26
7.3.80.0080.00916.27
7.3.70.0100.00716.22
7.3.60.0120.00516.17
7.3.50.0090.00816.25
7.3.40.0090.00816.29
7.3.30.0100.00716.26
7.3.20.0130.00616.30
7.3.10.0140.00516.37
7.3.00.0170.00516.29
7.2.340.0080.01016.29
7.2.330.0150.00516.34
7.2.320.0120.00616.41
7.2.310.0140.00416.25
7.2.300.0130.00516.32
7.2.290.0100.00716.30
7.2.280.0110.00716.21
7.2.270.0140.00516.23
7.2.260.0110.00716.38
7.2.250.0110.00616.29
7.2.240.0110.00916.26
7.2.230.0110.00716.38
7.2.220.0130.00516.38
7.2.210.0100.00716.29
7.2.200.0090.00916.36
7.2.190.0100.00816.36
7.2.180.0090.00816.33
7.2.170.0110.00616.38
7.2.160.0100.00916.36
7.2.150.0130.00616.50
7.2.140.0110.00716.47
7.2.130.0110.00716.58
7.2.120.0100.00816.53
7.2.110.0120.00716.42
7.2.100.0130.00616.51
7.2.90.0110.00716.44
7.2.80.0130.00516.45
7.2.70.0120.00616.49
7.2.60.0120.00616.47
7.2.50.0130.00716.45
7.2.40.0130.00616.52
7.2.30.0130.00716.53
7.2.20.0120.00616.48
7.2.10.0160.00416.53
7.2.00.0110.00916.45

preferences:
95.63 ms | 403 KiB | 5 Q