3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ar = [ "service" => "to", 0 => "443" ]; $ar['newkey'] = $ar[0]; unset($ar[0]); var_dump($ar);

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)
8.3.60.0060.01218.30
8.3.50.0070.00718.13
8.3.40.0080.00818.59
8.3.30.0000.01518.51
8.3.20.0040.00421.73
8.3.10.0030.00523.39
8.3.00.0080.00019.56
8.2.180.0130.00325.92
8.2.170.0100.01018.88
8.2.160.0100.00722.96
8.2.150.0000.00825.66
8.2.140.0040.00424.66
8.2.130.0000.00821.00
8.2.120.0040.00426.35
8.2.110.0060.00319.30
8.2.100.0060.00617.84
8.2.90.0030.00619.21
8.2.80.0040.00417.97
8.2.70.0050.00317.80
8.2.60.0000.00917.93
8.2.50.0040.00418.10
8.2.40.0000.00920.47
8.2.30.0050.00219.45
8.2.20.0070.00218.04
8.2.10.0030.00717.94
8.2.00.0070.00018.06
8.1.280.0100.00725.92
8.1.270.0040.00424.02
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00621.13
8.1.230.0060.00622.16
8.1.220.0080.00017.76
8.1.210.0080.00018.77
8.1.200.0070.00317.13
8.1.190.0000.00917.23
8.1.180.0040.00418.10
8.1.170.0080.00018.59
8.1.160.0040.00418.75
8.1.150.0000.00719.02
8.1.140.0070.00017.61
8.1.130.0000.00717.44
8.1.120.0060.00317.31
8.1.110.0030.00617.41
8.1.100.0080.00017.37
8.1.90.0030.00617.46
8.1.80.0040.00417.32
8.1.70.0000.00717.44
8.1.60.0000.01117.53
8.1.50.0000.00717.39
8.1.40.0000.00817.50
8.1.30.0080.00017.61
8.1.20.0000.00717.63
8.1.10.0050.00217.52
8.1.00.0000.00717.49
8.0.300.0070.00018.77
8.0.290.0080.00016.63
8.0.280.0030.00318.27
8.0.270.0030.00316.66
8.0.260.0060.00016.63
8.0.250.0030.00316.93
8.0.240.0070.00016.79
8.0.230.0030.00316.88
8.0.220.0070.00016.82
8.0.210.0030.00316.71
8.0.200.0060.00016.76
8.0.190.0030.00616.78
8.0.180.0000.00816.87
8.0.170.0060.00316.84
8.0.160.0000.00716.79
8.0.150.0040.00416.70
8.0.140.0050.00516.80
8.0.130.0030.00313.32
8.0.120.0070.00016.66
8.0.110.0000.00716.67
8.0.100.0040.00416.64
8.0.90.0000.00716.82
8.0.80.0130.00316.88
8.0.70.0040.00416.86
8.0.60.0080.00016.84
8.0.50.0040.00416.88
8.0.30.0090.01117.10
8.0.20.0070.01317.40
8.0.10.0030.00516.84
8.0.00.0110.00716.97
7.4.330.0050.00015.55
7.4.320.0000.00716.52
7.4.300.0050.00216.56
7.4.290.0030.00316.64
7.4.280.0040.00416.61
7.4.270.0000.00716.48
7.4.260.0040.00416.47
7.4.250.0030.00316.55
7.4.240.0030.00316.53
7.4.230.0050.00216.51
7.4.220.0040.00416.70
7.4.210.0070.01016.54
7.4.200.0000.00716.64
7.4.160.0070.01116.51
7.4.140.0120.00717.86
7.4.130.0110.00716.48
7.4.120.0140.00816.40
7.4.110.0110.00616.48
7.4.100.0100.01016.52
7.4.90.0060.01616.54
7.4.80.0130.00719.39
7.4.70.0080.00916.38
7.4.60.0090.00616.49
7.4.50.0060.00916.57
7.4.40.0030.01316.38
7.4.00.0070.00714.91
7.3.330.0050.00013.12
7.3.320.0000.00713.18
7.3.310.0030.00316.11
7.3.300.0030.00316.25
7.3.290.0040.00416.33
7.3.280.0130.00316.33
7.3.260.0070.01216.41
7.3.240.0090.00816.31
7.3.230.0080.00816.24
7.3.210.0090.00916.29
7.3.200.0100.00616.17
7.3.190.0060.01016.23
7.3.180.0130.00316.42
7.3.170.0160.00616.50
7.3.160.0140.00016.30
7.2.330.0120.00616.30
7.2.320.0120.00616.35
7.2.310.0070.01016.25
7.2.300.0130.00316.49
7.2.290.0080.00816.64
7.2.80.0120.00816.43
7.2.60.0000.01216.54
7.2.50.0040.01016.87
7.2.40.2830.01317.67
7.2.30.2990.01317.88
7.2.20.2600.01017.83
7.2.10.2070.01417.54
7.2.00.2680.01317.76
7.1.200.0070.00315.96
7.1.160.2740.01216.84
7.1.150.3230.01216.50
7.1.140.2860.01316.50
7.1.130.2850.01116.33
7.1.120.2980.01416.82
7.1.110.3410.01216.17
7.1.100.2710.01116.21
7.1.90.2510.01116.12
7.1.80.2790.01016.05
7.1.70.3910.01415.52
7.1.60.4630.01133.16
7.1.50.6440.01733.15
7.1.40.6990.01332.53
7.1.30.4320.01532.63
7.1.20.0340.01532.63
7.1.10.4600.01014.65
7.1.00.4100.01214.88

preferences:
61.89 ms | 400 KiB | 5 Q