3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x=array(); $x['a'] = 3; print (isset($x['b']['c']['d']));

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)
8.3.40.0120.00318.65
8.3.30.0070.00718.59
8.3.20.0080.00020.13
8.3.10.0040.00423.69
8.3.00.0060.00323.55
8.2.170.0090.00622.96
8.2.160.0100.00320.35
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00420.57
8.2.120.0070.00026.35
8.2.110.0070.00420.88
8.2.100.0060.00617.91
8.2.90.0040.00419.22
8.2.80.0080.00017.97
8.2.70.0040.00417.63
8.2.60.0080.00017.93
8.2.50.0000.00818.34
8.2.40.0000.00720.27
8.2.30.0040.00421.09
8.2.20.0070.00317.93
8.2.10.0040.00418.03
8.2.00.0040.00417.96
8.1.270.0050.00223.79
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00622.59
8.1.230.0070.00317.82
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0000.00817.53
8.1.180.0050.00218.10
8.1.170.0040.00418.52
8.1.160.0030.00518.84
8.1.150.0030.00518.87
8.1.140.0070.00019.39
8.1.130.0050.00318.74
8.1.120.0000.00717.37
8.1.110.0040.00417.39
8.1.100.0000.00717.40
8.1.90.0070.00017.29
8.1.80.0090.00017.36
8.1.70.0000.00717.32
8.1.60.0000.00817.41
8.1.50.0030.00617.48
8.1.40.0060.00317.49
8.1.30.0080.00017.48
8.1.20.0000.00717.52
8.1.10.0040.00417.62
8.1.00.0040.00417.55
8.0.300.0040.00420.71
8.0.290.0070.00016.75
8.0.280.0000.00718.44
8.0.270.0000.00717.17
8.0.260.0000.00716.72
8.0.250.0000.00717.00
8.0.240.0050.00216.77
8.0.230.0040.00416.77
8.0.220.0040.00416.74
8.0.210.0030.00316.73
8.0.200.0080.00016.90
8.0.190.0070.00016.86
8.0.180.0080.00016.93
8.0.170.0040.00416.74
8.0.160.0070.00016.84
8.0.150.0030.00316.72
8.0.140.0050.00216.70
8.0.130.0000.00513.13
8.0.120.0000.00716.64
8.0.110.0000.00716.76
8.0.100.0000.00716.68
8.0.90.0030.00616.66
8.0.80.0070.01316.89
8.0.70.0040.00416.68
8.0.60.0040.00416.79
8.0.50.0000.00716.83
8.0.30.0100.01117.10
8.0.20.0110.01017.40
8.0.10.0000.00816.83
8.0.00.0170.00716.71
7.4.330.0000.00616.70
7.4.320.0000.00616.55
7.4.300.0060.00016.44
7.4.290.0000.00716.57
7.4.280.0080.00016.43
7.4.270.0030.00316.52
7.4.260.0040.00416.52
7.4.250.0040.00416.32
7.4.240.0000.00716.56
7.4.230.0000.00716.63
7.4.220.0150.00316.57
7.4.210.0070.00816.47
7.4.200.0050.00216.37
7.4.160.0100.00616.63
7.4.150.0180.00017.40
7.4.140.0090.00917.86
7.4.130.0060.01116.64
7.4.120.0140.00816.44
7.4.110.0100.00716.55
7.4.100.0080.01616.55
7.4.90.0120.00616.66
7.4.80.0030.01719.39
7.4.70.0060.01616.36
7.4.60.0160.00316.40
7.4.50.0070.01116.36
7.4.40.0040.01116.46
7.4.30.0060.00916.52
7.4.00.0080.00815.01
7.3.330.0050.00013.07
7.3.320.0000.00513.11
7.3.310.0040.00416.13
7.3.300.0000.00716.30
7.3.290.0040.00416.25
7.3.280.0090.00616.26
7.3.270.0070.01017.40
7.3.260.0130.00616.38
7.3.250.0090.00916.31
7.3.240.0140.00716.34
7.3.230.0130.00316.20
7.3.210.0060.01216.34
7.3.200.0090.00616.55
7.3.190.0060.00916.26
7.3.180.0070.01016.43
7.3.170.0080.00816.51
7.3.160.0140.00316.31
7.2.330.0090.00916.51
7.2.320.0120.00816.40
7.2.310.0030.01616.63
7.2.300.0140.00716.46
7.2.290.0110.00516.23
7.2.60.0040.00916.87
7.1.200.0000.01315.64
7.1.110.0080.00717.90
7.1.100.0050.01118.06
7.1.90.0030.01017.97
7.1.80.0040.00917.84
7.1.70.0100.00516.84
7.1.60.0190.01234.94
7.1.50.0210.00934.67
7.1.40.0150.01434.27
7.1.30.0150.01334.51
7.1.20.0130.01534.70
7.1.10.0070.00916.46
7.1.00.0070.00816.66
7.0.250.0090.00817.82
7.0.240.0040.01017.33
7.0.230.0080.00617.40
7.0.220.0070.00617.65
7.0.210.0000.01516.75
7.0.200.0030.01016.62
7.0.190.0060.00816.47
7.0.180.0040.01016.06
7.0.170.0070.00716.08
7.0.160.0060.00816.13
7.0.150.0060.00916.12
7.0.140.0050.00916.29
7.0.130.0050.00816.49
7.0.120.0070.00716.73
7.0.110.0070.00416.31
7.0.100.0040.00816.35
7.0.90.0060.00716.30
7.0.80.0030.00916.15
7.0.70.0030.01216.36
7.0.60.0030.01115.97
7.0.50.0030.01116.33
7.0.40.0070.00716.39
7.0.30.0050.01016.53
7.0.20.0050.00816.38
7.0.10.0000.01316.49
7.0.00.0040.00916.40
5.6.300.0110.05220.81
5.6.290.0080.05420.67
5.6.280.0110.06220.91
5.6.270.0120.06020.90
5.6.260.0060.05920.92
5.6.250.0080.05920.87
5.6.240.0080.05820.87
5.6.230.0120.06120.77
5.6.220.0070.06620.80
5.6.210.0050.05820.72
5.6.200.0140.05120.98
5.6.190.0050.06320.97
5.6.180.0130.05320.86
5.6.170.0110.05220.90
5.6.160.0070.05720.87
5.6.150.0070.05920.87
5.6.140.0100.05620.84
5.6.130.0080.05420.78
5.6.120.0090.05820.83
5.6.110.0140.06420.74
5.6.100.0130.06620.88
5.6.90.0100.05520.75
5.6.80.0030.05720.29
5.6.70.0070.05520.33
5.6.60.0050.06420.22
5.6.50.0110.06320.24
5.6.40.0120.05220.21
5.6.30.0100.06220.14
5.6.20.0060.06320.30
5.6.10.0060.05820.16
5.6.00.0100.05220.31
5.5.380.0030.05717.40
5.5.370.0030.05617.44
5.5.360.0070.05517.39
5.5.350.0000.06017.49
5.5.340.0030.05818.06
5.5.330.0130.04618.00
5.5.320.0130.04817.89
5.5.310.0060.05417.70
5.5.300.0130.04717.88
5.5.290.0070.05517.87
5.5.280.0130.05417.99
5.5.270.0030.06417.79
5.5.260.0190.06817.96
5.5.250.0070.05717.79
5.5.240.0030.05517.35
5.5.230.0070.07317.19
5.5.220.0030.07117.07
5.5.210.0130.04717.37
5.5.200.0070.05317.42
5.5.190.0160.06317.41
5.5.180.0000.07617.09
5.5.160.0100.04917.32
5.5.150.0070.05117.34
5.5.140.0100.04817.33
5.5.130.0100.04817.31
5.5.120.0000.06017.09
5.5.110.0070.06917.27
5.5.100.0090.06317.25
5.5.90.0090.05117.04
5.5.80.0170.04117.21
5.5.70.0100.05217.29
5.5.60.0030.05417.20
5.5.50.0130.05117.30
5.5.40.0060.06617.12
5.5.30.0150.06316.98
5.5.20.0070.06717.21
5.5.10.0130.07616.94
5.5.00.0110.06117.20
5.4.450.0100.05519.31
5.4.440.0100.06419.33
5.4.430.0130.06919.28
5.4.420.0100.06919.07
5.4.410.0070.05319.05
5.4.400.0130.04518.77
5.4.390.0160.06518.98
5.4.380.0130.06818.98
5.4.370.0060.05519.07
5.4.360.0070.07318.99
5.4.350.0100.05818.98
5.4.340.0170.06118.85
5.4.320.0100.05419.01
5.4.310.0120.04419.08
5.4.300.0100.06918.99
5.4.290.0160.06218.98
5.4.280.0120.06718.89
5.4.270.0150.06519.16
5.4.260.0100.06418.79
5.4.250.0100.06318.78
5.4.240.0100.05118.97
5.4.230.0070.05118.84
5.4.220.0100.05018.75
5.4.210.0100.06918.84
5.4.200.0060.07218.97
5.4.190.0100.07218.78
5.4.180.0090.06919.00
5.4.170.0100.05118.95
5.4.160.0100.04918.98
5.4.150.0000.06818.95
5.4.140.0160.04216.55
5.4.130.0030.04916.51
5.4.120.0040.05416.38
5.4.110.0030.05716.46
5.4.100.0110.06116.48
5.4.90.0100.04316.52
5.4.80.0070.04616.54
5.4.70.0130.06616.57
5.4.60.0100.05016.54
5.4.50.0130.05816.61
5.4.40.0100.05916.54
5.4.30.0100.04416.59
5.4.20.0100.05816.59
5.4.10.0030.05716.59
5.4.00.0150.04015.71
5.3.290.0070.05114.82
5.3.280.0070.05014.66
5.3.270.0030.06414.73
5.3.260.0060.05414.79
5.3.250.0030.05214.53
5.3.240.0060.05214.71
5.3.230.0070.04914.68
5.3.220.0110.04614.75
5.3.210.0030.05514.54
5.3.200.0040.05414.76
5.3.190.0030.05214.55
5.3.180.0100.05214.71
5.3.170.0130.05814.67
5.3.160.0140.04114.54
5.3.150.0120.06414.71
5.3.140.0060.05214.74
5.3.130.0100.05514.54
5.3.120.0100.06814.66
5.3.110.0030.06814.54
5.3.100.0070.05114.09
5.3.90.0060.05213.99
5.3.80.0090.04614.18
5.3.70.0090.04514.10
5.3.60.0120.05414.11
5.3.50.0090.06013.76
5.3.40.0070.04913.98
5.3.30.0000.07313.97
5.3.20.0100.06013.80
5.3.10.0100.04113.69
5.3.00.0130.04213.75
5.2.170.0120.04711.28
5.2.160.0070.03810.95
5.2.150.0120.04611.38
5.2.140.0060.05611.37
5.2.130.0070.05211.20
5.2.120.0000.04411.21
5.2.110.0060.03811.23
5.2.100.0070.03611.33
5.2.90.0060.03711.02
5.2.80.0060.03811.01
5.2.70.0030.04111.13
5.2.60.0000.04511.03
5.2.50.0000.04411.24
5.2.40.0090.03411.10
5.2.30.0120.03410.95
5.2.20.0070.03710.88
5.2.10.0090.04010.90
5.2.00.0060.05710.93
5.1.60.0000.04710.13
5.1.50.0100.02910.02
5.1.40.0060.03210.17
5.1.30.0090.03510.55
5.1.20.0090.03310.54
5.1.10.0120.03710.36
5.1.00.0100.03610.34
5.0.50.0040.0288.52
5.0.40.0060.0388.65
5.0.30.0070.0418.27
5.0.20.0100.0218.38
5.0.10.0090.0328.24
5.0.00.0060.0388.45
4.4.90.0030.0206.13
4.4.80.0030.0206.13
4.4.70.0090.0156.13
4.4.60.0070.0186.13
4.4.50.0030.0216.13
4.4.40.0000.0366.13
4.4.30.0030.0216.13
4.4.20.0070.0176.13
4.4.10.0070.0186.13
4.4.00.0000.0466.13
4.3.110.0070.0286.13
4.3.100.0090.0246.13
4.3.90.0030.0206.13
4.3.80.0000.0376.13
4.3.70.0030.0206.13
4.3.60.0030.0246.13
4.3.50.0060.0296.13
4.3.40.0120.0266.13
4.3.30.0000.0256.13
4.3.20.0040.0226.13
4.3.10.0080.0176.13
4.3.00.0070.0176.13

preferences:
56.98 ms | 400 KiB | 5 Q