3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = '111'; $array = ['x' => 'x', 'y' => 'y']; 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)
8.3.60.0120.00316.88
8.3.50.0130.00716.46
8.3.40.0090.00618.82
8.3.30.0090.00618.72
8.3.20.0040.00420.25
8.3.10.0040.00421.91
8.3.00.0050.00319.38
8.2.180.0180.00018.41
8.2.170.0170.00022.96
8.2.160.0030.01020.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00019.21
8.2.120.0040.00426.35
8.2.110.0030.00621.00
8.2.100.0110.00018.16
8.2.90.0040.00419.23
8.2.80.0000.00818.03
8.2.70.0040.00417.63
8.2.60.0060.00317.93
8.2.50.0040.00418.10
8.2.40.0070.00020.63
8.2.30.0040.00421.08
8.2.20.0020.00518.05
8.2.10.0000.00818.05
8.2.00.0000.00717.96
8.1.280.0060.00925.92
8.1.270.0040.00422.03
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.96
8.1.230.0080.00419.09
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0060.00617.00
8.1.180.0070.00018.10
8.1.170.0040.00418.76
8.1.160.0000.00818.98
8.1.150.0040.00420.58
8.1.140.0100.00019.57
8.1.130.0000.00718.79
8.1.120.0030.00517.35
8.1.110.0030.00717.40
8.1.100.0000.00717.41
8.1.90.0040.00417.41
8.1.80.0040.00417.34
8.1.70.0050.00317.46
8.1.60.0040.00417.62
8.1.50.0040.00417.34
8.1.40.0040.00417.45
8.1.30.0040.00417.61
8.1.20.0000.00717.64
8.1.10.0000.00817.55
8.1.00.0040.00417.50
8.0.300.0080.00318.77
8.0.290.0040.00416.63
8.0.280.0030.00318.43
8.0.270.0050.00317.29
8.0.260.0000.00718.34
8.0.250.0000.00717.02
8.0.240.0000.00716.98
8.0.230.0000.00716.96
8.0.220.0060.00016.92
8.0.210.0040.00416.95
8.0.200.0000.00717.02
8.0.190.0040.00417.02
8.0.180.0050.00316.93
8.0.170.0000.00717.02
8.0.160.0000.00716.89
8.0.150.0030.00316.89
8.0.140.0030.00416.93
8.0.130.0060.00013.30
8.0.120.0060.00316.86
8.0.110.0000.00716.89
8.0.100.0040.00417.05
8.0.90.0040.00416.82
8.0.80.0080.00916.98
8.0.70.0000.00716.81
8.0.60.0070.00016.81
8.0.50.0040.00417.00
8.0.30.0100.00917.07
8.0.20.0110.00817.40
8.0.10.0030.00316.93
8.0.00.0130.00316.98
7.4.330.0000.00715.55
7.4.320.0030.00316.48
7.4.300.0000.00616.48
7.4.290.0030.00616.61
7.4.280.0000.00716.52
7.4.270.0060.00016.58
7.4.260.0070.00016.49
7.4.250.0000.00716.45
7.4.240.0040.00416.51
7.4.230.0000.00716.48
7.4.220.0130.01316.52
7.4.210.0060.00916.61
7.4.200.0040.00416.59
7.4.160.0080.00816.60
7.4.150.0100.00717.40
7.4.140.0080.01317.86
7.4.130.0090.00916.36
7.4.120.0120.01016.53
7.3.330.0000.00612.99
7.3.320.0020.00213.14
7.3.310.0040.00416.21
7.3.300.0070.00016.17
7.3.290.0090.00716.25
7.3.280.0070.00916.22
7.3.270.0110.00717.40
7.3.260.0090.00916.33
7.3.250.0130.00616.34
7.3.240.0120.00616.55
7.1.00.0060.00916.52

preferences:
38.62 ms | 401 KiB | 5 Q