3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = '111'; $x = ['x' => 'x', 'y' => 'y']; $array = ['x' => 'x', 'y' => 'y']; $array = 'x'; echo $$array['x'];

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)
8.3.60.0150.00016.50
8.3.50.0030.01316.69
8.3.40.0060.00818.63
8.3.30.0070.00718.71
8.3.20.0050.00220.31
8.3.10.0040.00423.65
8.3.00.0060.00319.14
8.2.180.0110.00418.15
8.2.170.0100.00722.96
8.2.160.0130.00720.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00019.27
8.2.120.0070.00026.35
8.2.110.0100.00021.19
8.2.100.0110.00018.16
8.2.90.0000.00719.21
8.2.80.0090.00018.05
8.2.70.0040.00417.63
8.2.60.0040.00417.93
8.2.50.0080.00018.10
8.2.40.0040.00420.48
8.2.30.0060.00321.16
8.2.20.0000.00718.18
8.2.10.0040.00418.12
8.2.00.0040.00418.11
8.1.280.0090.00625.92
8.1.270.0050.00222.06
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0080.00023.97
8.1.230.0070.00319.01
8.1.220.0000.00917.74
8.1.210.0080.00018.77
8.1.200.0060.00317.25
8.1.190.0070.00417.00
8.1.180.0030.00618.10
8.1.170.0000.00818.83
8.1.160.0030.00319.02
8.1.150.0040.00420.59
8.1.140.0030.00719.56
8.1.130.0030.00318.93
8.1.120.0000.00717.49
8.1.110.0060.00317.41
8.1.100.0030.00317.48
8.1.90.0030.00617.45
8.1.80.0030.00517.49
8.1.70.0030.00317.36
8.1.60.0040.00417.45
8.1.50.0070.00017.52
8.1.40.0040.00417.43
8.1.30.0050.00217.57
8.1.20.0050.00317.58
8.1.10.0070.00017.60
8.1.00.0000.00717.51
8.0.300.0050.00218.77
8.0.290.0000.00816.63
8.0.280.0080.00018.45
8.0.270.0080.00017.28
8.0.260.0030.00316.85
8.0.250.0000.00717.02
8.0.240.0110.00016.95
8.0.230.0000.00716.94
8.0.220.0060.00016.79
8.0.210.0030.00616.92
8.0.200.0000.00616.84
8.0.190.0040.00416.92
8.0.180.0000.00716.82
8.0.170.0040.00416.84
8.0.160.0050.00316.95
8.0.150.0030.00316.84
8.0.140.0000.00716.89
8.0.130.0030.00313.30
8.0.120.0000.00816.82
8.0.110.0070.00016.77
8.0.100.0040.00416.83
8.0.90.0070.00016.89
8.0.80.0140.00316.86
8.0.70.0050.00216.83
8.0.60.0000.00716.89
8.0.50.0040.00416.77
8.0.30.0090.00717.18
8.0.20.0090.01017.40
8.0.10.0050.00217.04
8.0.00.0130.01016.68
7.4.330.0030.00315.55
7.4.320.0060.00016.59
7.4.300.0030.00316.57
7.4.290.0000.00716.63
7.4.280.0040.00416.55
7.4.270.0000.00616.57
7.4.260.0080.00316.51
7.4.250.0000.00716.52
7.4.240.0070.00016.41
7.4.230.0070.00016.39
7.4.220.0090.01216.46
7.4.210.0070.00716.50
7.4.200.0040.00416.32
7.4.160.0080.00716.69
7.4.150.0120.00617.40
7.4.140.0110.00917.86
7.4.130.0040.01516.46
7.4.120.0110.00916.53
7.3.330.0020.00312.95
7.3.320.0000.00512.93
7.3.310.0000.00716.14
7.3.300.0030.00316.18
7.3.290.0100.00416.22
7.3.280.0080.00916.20
7.3.270.0110.00617.40
7.3.260.0150.00716.37
7.3.250.0100.00816.37
7.3.240.0080.01016.37
7.1.00.0030.01216.44

preferences:
42.91 ms | 401 KiB | 5 Q