3v4l.org

run code in 300+ PHP versions simultaneously
<?php function byRef(&$a){ var_dump($a); } $y = [1, 2]; byRef(list($x) = $y);

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)
8.3.70.0160.00616.63
8.3.60.0030.01518.43
8.3.50.0120.00718.38
8.3.40.0090.00618.88
8.3.30.0090.00618.59
8.3.20.0040.00421.82
8.3.10.0030.00519.02
8.3.00.0050.00221.65
8.2.190.0070.00716.63
8.2.180.0110.00718.54
8.2.170.0070.00722.96
8.2.160.0070.00722.13
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0000.00826.16
8.2.120.0070.00026.16
8.2.110.0090.00021.06
8.2.100.0080.00419.47
8.2.90.0030.00617.91
8.2.80.0000.00818.05
8.2.70.0030.00518.04
8.2.60.0000.00718.22
8.2.50.0040.00419.34
8.2.40.0090.00019.40
8.2.30.0040.00420.48
8.2.20.0050.00218.10
8.2.10.0000.00818.89
8.2.00.0040.00418.11
8.1.280.0110.00725.92
8.1.270.0040.00422.65
8.1.260.0090.00626.35
8.1.250.0080.00028.09
8.1.240.0060.00323.96
8.1.230.0040.00822.88
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0030.00917.35
8.1.190.0030.00517.23
8.1.180.0040.00718.10
8.1.170.0030.00518.46
8.1.160.0040.00418.77
8.1.150.0030.00618.70
8.1.140.0030.00320.23
8.1.130.0070.00017.38
8.1.120.0070.00017.28
8.1.110.0000.00717.38
8.1.100.0000.00817.39
8.1.90.0070.00017.35
8.1.80.0040.00417.34
8.1.70.0090.00017.30
8.1.60.0080.00017.53
8.1.50.0070.00317.58
8.1.40.0030.00617.54
8.1.30.0000.00717.61
8.1.20.0000.00817.63
8.1.10.0000.00817.47
8.1.00.0040.00417.51
8.0.300.0000.00719.64
8.0.290.0000.00716.63
8.0.280.0070.00018.37
8.0.270.0030.00317.11
8.0.260.0030.00316.87
8.0.250.0000.00716.96
8.0.240.0000.00716.89
8.0.230.0070.00016.86
8.0.220.0000.00716.85
8.0.210.0000.00716.77
8.0.200.0030.00316.86
8.0.190.0000.00716.96
8.0.180.0000.00716.81
8.0.170.0040.00416.91
8.0.160.0080.00016.91
8.0.150.0040.00416.68
8.0.140.0030.00316.74
8.0.130.0050.00013.37
8.0.120.0030.00516.76
8.0.110.0040.00416.93
8.0.100.0070.00016.79
8.0.90.0000.00716.73
8.0.80.0100.01116.85
8.0.70.0040.00416.77
8.0.60.0040.00416.70
8.0.50.0000.00816.75
8.0.30.0100.00717.14
8.0.20.0120.00816.82
8.0.10.0000.00716.96
8.0.00.0090.01016.53
7.4.330.0050.00015.55
7.4.320.0070.00016.45
7.4.300.0070.00016.34
7.4.290.0030.00616.45
7.4.280.0000.00916.36
7.4.270.0030.00316.38
7.4.260.0000.00716.25
7.4.250.0000.00716.34
7.4.240.0030.00316.45
7.4.230.0050.00216.37
7.4.220.0080.00016.34
7.4.210.0080.01016.52
7.4.200.0030.00316.57
7.4.160.0060.01116.34
7.4.140.0100.00817.86
7.4.130.0180.00616.39
7.4.120.0090.01016.24
7.4.110.0100.01416.38
7.4.100.0120.00916.39
7.4.90.0060.01216.34
7.4.80.0060.01519.39
7.4.70.0120.00616.41
7.4.60.0080.00916.39
7.4.50.0130.00315.91
7.4.40.0070.01516.51
7.4.00.0100.00714.99
7.3.330.0060.00013.35
7.3.320.0000.00613.36
7.3.310.0030.00516.32
7.3.300.0060.00016.16
7.3.290.0070.00716.29
7.3.280.0090.00916.26
7.3.260.0100.00716.32
7.3.230.0140.00316.42
7.3.210.0140.00516.30
7.3.200.0110.00716.57
7.3.190.0100.00716.20
7.3.180.0130.00616.46
7.3.170.0120.00616.39
7.3.160.0140.00316.31
7.3.50.0170.00614.74
7.3.40.0100.00314.61
7.3.30.0090.00614.60
7.3.20.0050.00816.64
7.3.10.0180.00316.77
7.3.00.0060.00916.33
7.2.330.0130.01016.33
7.2.320.0100.01316.30
7.2.310.0210.00316.55
7.2.300.0110.01116.61
7.2.290.0000.01616.34
7.2.180.0100.00415.07
7.2.170.0170.00014.91
7.2.160.0110.00914.88
7.2.150.0070.00816.59
7.2.140.0060.00916.71
7.2.130.0190.00316.66
7.2.120.0090.00516.70
7.2.110.0100.00316.59
7.2.100.0100.00316.70
7.2.90.0070.00716.61
7.2.80.0040.01416.86
7.2.70.0040.01116.93
7.2.60.0120.00316.74
7.2.50.0070.00716.58
7.2.40.0040.01116.86
7.2.30.0070.00716.71
7.2.20.0120.00317.01
7.2.10.0030.01316.81
7.2.00.0060.00616.81
7.1.280.0090.01215.77
7.1.270.0120.00915.48
7.1.260.0150.00615.72
7.1.250.0060.01315.81

preferences:
50.74 ms | 401 KiB | 5 Q