3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1, 2]; $c = &$a; list($c, $b) = $a; var_dump($a, $b);

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)
8.3.70.0070.01016.50
8.3.60.0120.00618.18
8.3.50.0110.01017.87
8.3.40.0140.00718.55
8.3.30.0040.01118.68
8.3.20.0000.00721.82
8.3.10.0000.00819.02
8.3.00.0080.00021.90
8.2.190.0140.00316.63
8.2.180.0110.00818.47
8.2.170.0070.01022.96
8.2.160.0070.00722.06
8.2.150.0060.00324.18
8.2.140.0000.00824.66
8.2.130.0000.00826.16
8.2.120.0050.00326.16
8.2.110.0100.00019.30
8.2.100.0100.00317.84
8.2.90.0060.00317.91
8.2.80.0040.00417.97
8.2.70.0080.00018.04
8.2.60.0040.00417.93
8.2.50.0080.00019.08
8.2.40.0050.00319.34
8.2.30.0000.00820.42
8.2.20.0040.00418.10
8.2.10.0000.00818.85
8.2.00.0050.00317.96
8.1.280.0100.01025.92
8.1.270.0040.00423.99
8.1.260.0150.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00522.03
8.1.230.0090.00322.82
8.1.220.0030.00617.74
8.1.210.0050.00518.77
8.1.200.0030.00517.22
8.1.190.0000.00917.23
8.1.180.0040.00418.10
8.1.170.0050.00318.52
8.1.160.0000.00818.77
8.1.150.0000.00818.80
8.1.140.0030.00320.16
8.1.130.0000.00620.23
8.1.120.0030.00517.43
8.1.110.0020.00517.41
8.1.100.0030.00617.42
8.1.90.0000.00717.28
8.1.80.0000.00717.27
8.1.70.0090.00017.42
8.1.60.0040.00417.49
8.1.50.0070.00417.42
8.1.40.0000.00817.49
8.1.30.0000.00817.49
8.1.20.0000.00817.61
8.1.10.0000.00717.57
8.1.00.0000.00717.42
8.0.300.0000.00719.89
8.0.290.0080.00016.63
8.0.280.0000.00718.28
8.0.270.0000.00717.14
8.0.260.0030.00318.28
8.0.250.0040.00416.77
8.0.240.0040.00416.90
8.0.230.0000.00716.88
8.0.220.0060.00016.69
8.0.210.0000.00716.83
8.0.200.0030.00316.74
8.0.190.0040.00416.73
8.0.180.0070.00016.84
8.0.170.0050.00316.80
8.0.160.0070.00016.77
8.0.150.0050.00316.74
8.0.140.0020.00516.64
8.0.130.0000.00513.23
8.0.120.0070.00016.82
8.0.110.0040.00416.77
8.0.100.0040.00416.76
8.0.90.0070.00016.75
8.0.80.0060.01216.79
8.0.70.0070.00016.67
8.0.60.0000.00816.78
8.0.50.0030.00616.82
8.0.30.0100.01117.04
8.0.20.0160.00317.21
8.0.10.0000.00816.98
8.0.00.0070.01316.73
7.4.330.0040.00015.55
7.4.320.0000.00716.52
7.4.300.0000.00616.56
7.4.290.0000.00816.42
7.4.280.0030.00516.31
7.4.270.0030.00516.38
7.4.260.0000.00816.31
7.4.250.0030.00316.25
7.4.240.0000.00816.50
7.4.230.0000.00716.46
7.4.220.0000.00816.36
7.4.210.0040.01416.57
7.4.200.0000.00716.54
7.4.160.0050.01016.38
7.4.140.0120.00617.86
7.4.130.0090.00916.48
7.4.120.0100.01316.33
7.4.110.0090.00916.27
7.4.100.0100.01316.47
7.4.90.0180.00416.36
7.4.80.0170.01219.39
7.4.70.0190.00816.62
7.4.60.0100.00616.37
7.4.50.0030.01316.39
7.4.40.0030.01416.51
7.4.00.0100.00614.85
7.3.330.0030.00313.03
7.3.320.0000.00612.95
7.3.310.0050.00216.10
7.3.300.0030.00316.25
7.3.290.0130.00616.15
7.3.280.0060.00816.09
7.3.260.0110.00716.35
7.3.230.0120.00616.25
7.3.210.0150.00616.09
7.3.200.0090.00916.54
7.3.190.0100.00716.16
7.3.180.0080.00816.54
7.3.170.0000.01616.31
7.3.160.0040.01216.41
7.3.50.0000.01414.63
7.3.40.0070.01014.41
7.3.30.0080.00514.66
7.3.20.0030.01216.71
7.3.10.0070.00716.46
7.3.00.0130.00316.66
7.2.330.0110.00716.73
7.2.320.0130.01016.38
7.2.310.0090.00916.44
7.2.300.0200.00416.22
7.2.290.0120.00616.67
7.2.180.0100.00715.06
7.2.170.0150.00714.87
7.2.160.0140.01214.90
7.2.150.0130.00716.88
7.2.140.0120.00316.91
7.2.130.0030.00916.77
7.2.120.0110.00016.67
7.2.110.0090.01316.85
7.2.100.0140.00516.54
7.2.90.0030.01016.84
7.2.80.0060.00916.79
7.2.70.0090.00616.73
7.2.60.0090.00616.62
7.2.50.0070.00716.93
7.2.40.0000.01516.85
7.2.30.0040.01116.73
7.2.20.0090.00616.94
7.2.10.0120.00316.63
7.2.00.0240.00016.79
7.1.280.0110.00515.57
7.1.270.0140.00515.59
7.1.260.0100.00315.78
7.1.250.0070.00315.66

preferences:
23.42 ms | 401 KiB | 5 Q