3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('A' => 'B'); echo $arr->{'A'};

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)
8.3.60.0070.01116.50
8.3.50.0070.00821.99
8.3.40.0140.00718.97
8.3.30.0100.00718.95
8.3.20.0070.00720.14
8.3.10.0070.00023.48
8.3.00.0030.00520.77
8.2.180.0120.00916.75
8.2.170.0180.00322.96
8.2.160.0070.00720.49
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00020.87
8.2.110.0070.00422.25
8.2.100.0080.00417.72
8.2.90.0000.00818.03
8.2.80.0050.00317.97
8.2.70.0030.00617.75
8.2.60.0040.00417.91
8.2.50.0000.00818.07
8.2.40.0040.00418.16
8.2.30.0000.00718.28
8.2.20.0050.00317.77
8.2.10.0040.00417.90
8.2.00.0040.00417.69
8.1.280.0130.00625.92
8.1.270.0060.00323.95
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0100.00022.54
8.1.230.0120.00020.96
8.1.220.0060.00317.74
8.1.210.0060.00318.85
8.1.200.0060.00317.10
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0000.00818.59
8.1.160.0040.00421.82
8.1.150.0040.00418.57
8.1.140.0000.00717.43
8.1.130.0030.00317.73
8.1.120.0040.00417.40
8.1.110.0080.00017.38
8.1.100.0000.00717.39
8.1.90.0040.00417.29
8.1.80.0040.00417.38
8.1.70.0000.00717.18
8.1.60.0000.00817.57
8.1.50.0030.00517.47
8.1.40.0000.00717.46
8.1.30.0030.00617.60
8.1.20.0050.00317.55
8.1.10.0000.00717.45
8.1.00.0120.00017.36
8.0.300.0030.00620.03
8.0.290.0000.00717.28
8.0.280.0000.00618.43
8.0.270.0030.00317.27
8.0.260.0060.00017.25
8.0.250.0030.00317.07
8.0.240.0000.00716.99
8.0.230.0000.00816.93
8.0.220.0030.00316.89
8.0.210.0050.00216.95
8.0.200.0040.00416.88
8.0.190.0040.00417.01
8.0.180.0070.00016.93
8.0.170.0040.00416.93
8.0.160.0030.00516.93
8.0.150.0070.00016.76
8.0.140.0000.00816.78
8.0.130.0060.00013.30
8.0.120.0040.00416.84
8.0.110.0040.00416.81
8.0.100.0030.00316.77
8.0.90.0040.00416.82
8.0.80.0030.01316.89
8.0.70.0040.00416.98
8.0.60.0000.00716.76
8.0.50.0050.00216.83
8.0.30.0160.00617.05
8.0.20.0070.01117.40
8.0.10.0000.00716.97
8.0.00.0110.00916.78
7.4.330.0000.00515.00
7.4.320.0030.00316.58
7.4.300.0000.00616.54
7.4.290.0000.00716.39
7.4.280.0070.00016.32
7.4.270.0000.00716.51
7.4.260.0040.00416.41
7.4.250.0030.00316.39
7.4.240.0020.00516.47
7.4.230.0030.00316.54
7.4.220.0090.00916.54
7.4.210.0080.00616.45
7.4.200.0040.00416.55
7.4.160.0060.01616.26
7.4.150.0050.01417.40
7.4.140.0120.00717.86
7.4.130.0090.00816.39
7.4.120.0120.00416.52
7.4.110.0150.00316.60
7.4.100.0060.01016.44
7.4.90.0070.01016.49
7.4.80.0120.00919.39
7.4.70.0130.01016.54
7.4.60.0040.01216.37
7.4.50.0030.00616.40
7.4.40.0100.00716.55
7.4.30.0060.01116.57
7.4.00.0030.01214.71
7.3.330.0050.00013.11
7.3.320.0060.00012.98
7.3.310.0050.00216.28
7.3.300.0000.00716.11
7.3.290.0100.01016.23
7.3.280.0100.00916.19
7.3.270.0170.00317.40
7.3.260.0070.01016.28
7.3.250.0090.00816.28
7.3.240.0110.00916.27
7.3.230.0120.00916.39
7.3.210.0100.00716.31
7.3.200.0130.00719.39
7.3.190.0160.00616.34
7.3.180.0090.00616.21
7.3.170.0080.00816.29
7.3.160.0180.00316.19
7.3.120.0030.01414.73
7.2.330.0030.02016.27
7.2.320.0150.00316.58
7.2.310.0100.00716.70
7.2.300.0130.01016.42
7.2.290.0130.00716.56
7.2.00.0040.00819.25
7.1.200.0040.00415.54
7.1.100.0000.01117.99
7.1.70.0000.00917.18
7.1.60.0070.00416.85
7.1.50.0030.00716.85
7.1.40.0000.01116.34
7.1.30.0030.00716.29
7.1.20.0030.01016.52
7.1.10.0040.00416.30
7.1.00.0000.01116.46
7.0.200.0090.01216.59
7.0.190.0000.00716.81
7.0.180.0030.00816.23
7.0.170.0000.00716.36
7.0.160.0020.00516.27
7.0.150.0030.00616.03
7.0.140.0030.00716.11
7.0.130.0030.00516.40
7.0.120.0000.00816.69
7.0.110.0070.00316.34
7.0.100.0040.00416.42
7.0.90.0000.00716.22
7.0.80.0050.00216.45
7.0.70.0030.00716.19
7.0.60.0000.00815.84
7.0.50.0040.00416.41
7.0.40.0030.00615.09
7.0.30.0000.00815.09
7.0.20.0000.00715.09
7.0.10.0000.00915.09
7.0.00.0040.00415.09
5.6.300.0100.04620.57
5.6.290.0030.04320.90
5.6.280.0060.03921.08
5.6.270.0000.04820.97
5.6.260.0400.03320.80
5.6.250.0100.03921.02
5.6.240.0070.04820.89
5.6.230.0000.04720.85
5.6.220.0100.04120.79
5.6.210.0000.04620.96
5.6.200.0030.04321.04
5.6.190.0030.05320.81
5.6.180.0060.04120.97
5.6.170.0070.04020.82
5.6.160.0000.04220.93
5.6.150.0070.03820.86
5.6.140.0070.03621.00
5.6.130.0030.06520.70
5.6.120.0030.04520.98
5.6.110.0000.04420.84
5.6.100.0000.04320.90
5.6.90.0030.04120.96
5.6.80.0030.03820.20
5.6.70.0090.03820.29
5.6.60.0070.04320.19
5.6.50.0100.05020.21
5.6.40.0030.05920.19
5.6.30.0000.05120.34
5.6.20.0000.05120.39
5.6.10.0000.04720.18
5.6.00.0030.05920.17
5.5.380.0070.04817.49
5.5.370.0070.04717.46
5.5.360.0030.05117.53
5.5.350.0040.03917.47
5.5.340.0260.03317.70
5.5.330.0090.04417.71
5.5.320.0030.04417.70
5.5.310.0000.04417.93
5.5.300.0070.03617.94
5.5.290.0130.02918.03
5.5.280.0040.04217.74
5.5.270.0000.04518.01
5.5.260.0000.04417.96
5.5.250.0030.03817.67
5.5.240.0170.03417.22
5.5.230.0000.05217.41
5.5.220.0030.04117.31
5.5.210.0000.04117.39
5.5.200.0030.03717.28
5.5.190.0070.03717.35
5.5.180.0030.04917.34
5.5.160.0000.04317.40
5.5.150.0100.03717.37
5.5.140.0000.04817.38
5.5.130.0070.03417.41
5.5.120.0000.04317.30
5.5.110.0160.03517.30
5.5.100.0100.04717.38
5.5.90.0000.03917.28
5.5.80.0030.03517.08
5.5.70.0030.03617.27
5.5.60.0030.03717.10
5.5.50.0210.04117.20
5.5.40.0000.04117.07
5.5.30.0030.03817.23
5.5.20.0030.05216.98
5.5.10.0070.04717.27
5.5.00.0000.05117.25
5.4.450.0030.03819.40
5.4.440.0040.03919.12
5.4.430.0040.03919.19
5.4.420.0000.04319.45
5.4.410.0000.04019.06
5.4.400.0030.03818.98
5.4.390.0100.03318.86
5.4.380.0130.04219.06
5.4.370.0040.03919.05
5.4.360.0000.06518.82
5.4.350.0060.03519.05
5.4.340.0070.03319.07
5.4.320.0400.03318.78
5.4.310.0030.04219.02
5.4.300.0030.04119.15
5.4.290.0030.04019.06
5.4.280.0030.03919.03
5.4.270.0000.04019.05
5.4.260.0000.04418.86
5.4.250.0000.04219.15
5.4.240.0100.06619.14
5.4.230.0030.05519.03
5.4.220.0070.04018.88
5.4.210.0000.04118.81
5.4.200.0000.04119.14
5.4.190.0030.03719.02
5.4.180.0000.04019.12
5.4.170.0030.04018.87
5.4.160.0060.03219.02
5.4.150.0000.04919.01
5.4.140.0000.04016.39
5.4.130.0030.03816.47
5.4.120.0000.04116.51
5.4.110.0030.03416.49
5.4.100.0120.03416.36
5.4.90.0100.03216.34
5.4.80.0070.04216.59
5.4.70.0000.04416.52
5.4.60.0030.03716.57
5.4.50.0140.03416.56
5.4.40.0060.03516.51
5.4.30.0130.03016.45
5.4.20.0000.04016.59
5.4.10.0030.04816.34
5.4.00.0060.03715.92
5.3.290.0100.03415.09
5.3.280.0000.04215.09
5.3.270.0000.07215.09
5.3.260.0070.03315.09
5.3.250.0030.04615.09
5.3.240.0030.04315.09
5.3.230.0060.03515.09
5.3.220.0000.04715.09
5.3.210.0000.04415.09
5.3.200.0030.04115.09
5.3.190.0250.02515.09
5.3.180.0030.04215.09
5.3.170.0070.03615.09
5.3.160.0000.04015.09
5.3.150.0070.03315.09
5.3.140.0000.03815.09
5.3.130.0100.03615.09
5.3.120.0030.03915.09
5.3.110.0030.03515.09
5.3.100.0030.03515.09
5.3.90.0000.05115.09
5.3.80.0000.04315.09
5.3.70.0030.03515.09
5.3.60.0060.03515.09
5.3.50.0030.03415.09
5.3.40.0000.03815.09
5.3.30.0070.04115.09
5.3.20.0130.03715.09
5.3.10.0000.04015.09
5.3.00.0040.04215.09

preferences:
42.65 ms | 401 KiB | 5 Q