3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = array('a' => 1,); $check = false; var_dump(isset($test['b']['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)
8.3.60.0120.00316.63
8.3.50.0120.00616.37
8.3.40.0040.01118.72
8.3.30.0070.00718.58
8.3.20.0090.00018.78
8.3.10.0080.00018.78
8.3.00.0000.00919.26
8.2.180.0060.00918.16
8.2.170.0080.00622.96
8.2.160.0090.00618.94
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0000.00821.18
8.2.110.0090.00019.30
8.2.100.0000.01117.78
8.2.90.0000.00817.77
8.2.80.0000.00818.66
8.2.70.0000.00917.63
8.2.60.0080.00017.63
8.2.50.0050.00317.92
8.2.40.0040.00419.35
8.2.30.0000.00817.71
8.2.20.0090.00017.67
8.2.10.0060.00317.68
8.2.00.0040.00417.62
8.1.280.0160.00325.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00319.02
8.1.230.0110.00020.94
8.1.220.0040.00418.43
8.1.210.0000.00918.77
8.1.200.0030.00517.10
8.1.190.0060.00317.10
8.1.180.0060.00318.10
8.1.170.0000.00717.62
8.1.160.0040.00418.86
8.1.150.0050.00218.45
8.1.140.0000.00717.34
8.1.130.0000.00719.22
8.1.120.0000.00717.41
8.1.110.0050.00317.46
8.1.100.0000.00817.37
8.1.90.0030.00417.34
8.1.80.0030.00317.27
8.1.70.0030.00317.35
8.1.60.0000.00717.50
8.1.50.0000.00717.37
8.1.40.0040.00417.41
8.1.30.0040.00417.54
8.1.20.0080.00017.49
8.1.10.0030.00517.57
8.1.00.0070.00017.48
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0070.00018.48
8.0.270.0030.00317.13
8.0.260.0030.00316.82
8.0.250.0080.00016.77
8.0.240.0040.00416.85
8.0.230.0050.00216.89
8.0.220.0070.00016.79
8.0.210.0020.00516.86
8.0.200.0040.00416.81
8.0.190.0050.00216.78
8.0.180.0060.00316.74
8.0.170.0060.00316.84
8.0.160.0000.00816.91
8.0.150.0090.00016.75
8.0.140.0000.00816.75
8.0.130.0000.00613.21
8.0.120.0000.00816.83
8.0.110.0080.00016.70
8.0.100.0040.00416.71
8.0.90.0070.00016.66
8.0.80.0060.00916.75
8.0.70.0030.00516.63
8.0.60.0040.00416.60
8.0.50.0030.00516.71
8.0.30.0130.00617.33
8.0.20.0050.01717.07
8.0.10.0040.00416.99
8.0.00.0080.01016.77
7.4.330.0000.00612.98
7.4.320.0000.00616.53
7.4.300.0060.00016.40
7.4.290.0060.00316.52
7.4.280.0040.00416.50
7.4.270.0070.00016.58
7.4.260.0050.00313.16
7.4.250.0030.00616.44
7.4.240.0000.00716.34
7.4.230.0020.00516.62
7.4.220.0060.01316.45
7.4.210.0150.00716.31
7.4.200.0070.00016.52
7.4.190.0030.00616.50
7.4.160.0030.01316.56
7.4.150.0150.00616.61
7.4.140.0080.00817.86
7.4.130.0160.00516.41
7.4.120.0090.00916.31
7.4.110.0120.00916.59
7.4.100.0050.01216.28
7.4.90.0030.01416.59
7.4.80.0090.00919.39
7.4.70.0100.01016.66
7.4.60.0040.01116.35
7.4.50.0030.00616.21
7.4.40.0030.01416.27
7.4.30.0160.00016.42
7.4.00.0030.01014.72
7.3.330.0000.00613.00
7.3.320.0000.00513.18
7.3.310.0070.00016.21
7.3.300.0030.00316.26
7.3.290.0080.00616.25
7.3.280.0140.00016.21
7.3.270.0100.00716.68
7.3.260.0120.00916.18
7.3.240.0060.01216.18
7.3.230.0130.00316.33
7.3.210.0130.00716.54
7.3.200.0030.01316.17
7.3.190.0060.00916.18
7.3.180.0060.01016.46
7.3.170.0030.01216.25
7.3.160.0050.01116.14
7.3.120.0060.01014.51
7.2.330.0090.00916.64
7.2.320.0100.00716.61
7.2.310.0070.01016.37
7.2.300.0030.01316.34
7.2.290.0060.01116.64
7.2.60.0040.01116.71
7.2.00.0030.00719.09
7.1.200.0130.00015.59
7.1.100.0060.00617.86
7.1.70.0040.00417.10
7.1.60.0070.01719.25
7.1.50.0060.00916.92
7.1.00.0030.03322.28
7.0.200.0030.00616.67
7.0.140.0170.06022.15
7.0.120.0030.03322.18
7.0.60.0000.09019.90
7.0.50.0030.08717.91
7.0.40.0030.04720.42
7.0.30.0470.07720.10
7.0.20.0330.05720.16
7.0.10.0070.08720.04
7.0.00.0070.05020.13
5.6.280.0070.07021.03
5.6.210.0170.07320.66
5.6.200.0070.08018.17
5.6.190.0100.08320.35
5.6.180.0470.07320.39
5.6.170.0230.05020.44
5.6.160.0030.09320.48
5.6.150.0030.04018.16
5.6.140.0070.03718.13
5.6.130.0070.08718.26
5.6.120.0070.04020.72
5.6.110.0000.08721.13
5.6.100.0070.04020.95
5.6.90.0070.04021.00
5.6.80.0200.06020.53
5.5.350.0200.04020.42
5.5.340.0070.06317.91
5.5.330.0070.06020.38
5.5.320.0370.08020.32
5.5.310.0270.03720.29
5.5.300.0030.04018.00
5.5.290.0100.04717.90
5.5.280.0030.04020.89
5.5.270.0200.07720.95
5.5.260.0100.05720.84
5.5.250.0070.04320.70
5.5.240.0130.07020.22
5.4.450.0500.04019.36
5.4.440.0670.04019.53
5.4.430.0470.05019.22
5.4.420.0300.05319.36
5.4.410.0770.04018.96
5.4.400.0600.03719.14
5.4.390.0330.04319.06
5.4.380.0500.04018.90
5.4.370.0530.03719.21
5.4.360.0830.03319.21
5.4.350.0370.04019.13
5.4.340.0670.04318.88
5.4.320.0430.04318.79
5.4.310.0370.04718.93
5.4.300.0500.03319.21
5.4.290.0570.04319.13
5.4.280.0330.04319.13
5.4.270.0630.04018.93
5.4.260.0370.03719.09
5.4.250.0470.04718.88
5.4.240.0330.04318.89
5.4.230.0530.03719.07
5.4.220.0530.04319.24
5.4.210.0400.03318.87
5.4.200.0400.03719.07
5.4.190.0700.03319.21
5.4.180.0300.03018.79
5.4.170.0470.04019.14
5.4.160.0370.04319.11
5.4.150.0430.04318.91
5.4.140.0230.03316.42
5.4.130.0630.04016.33
5.4.120.0600.03716.44
5.4.110.0670.04716.21
5.4.100.0570.03716.33
5.4.90.0700.03716.23
5.4.80.0130.04016.44
5.4.70.0530.04016.21
5.4.60.0300.04016.21
5.4.50.0570.03716.32
5.4.40.0270.03716.21
5.4.30.0470.03716.21
5.4.20.0730.03716.34
5.4.10.0370.03316.42
5.4.00.0800.03716.21
5.3.290.0430.04316.21
5.3.280.0930.02716.21
5.3.270.0170.04316.21
5.3.260.0170.04716.21
5.3.250.0430.04316.21
5.3.240.0270.04016.21
5.3.230.0430.04316.21
5.3.220.0400.04016.21
5.3.210.0700.04316.21
5.3.200.0600.04316.21
5.3.190.0570.03316.21
5.3.180.0470.03716.21
5.3.170.0130.04316.21
5.3.160.0700.03716.21
5.3.150.0770.04316.21
5.3.140.0500.04316.21
5.3.130.0870.03716.21
5.3.120.0930.02716.21
5.3.110.0630.03716.21
5.3.100.0670.03316.21
5.3.90.0670.05016.21
5.3.80.0870.04016.21
5.3.70.0930.03016.21
5.3.60.0130.03716.21
5.3.50.0600.04016.21
5.3.40.0700.03316.21
5.3.30.0730.03716.21
5.3.20.0400.03716.21
5.3.10.0600.03316.21
5.3.00.0130.04316.21
5.2.170.0200.03316.21
5.2.160.0300.03316.21
5.2.150.0530.03016.21
5.2.140.0570.03016.21
5.2.130.0370.03016.21
5.2.120.0030.02316.21
5.2.110.0700.03016.21
5.2.100.0170.03016.21
5.2.90.0200.03316.21
5.2.80.0170.03016.21
5.2.70.0200.03016.21
5.2.60.0200.02316.21
5.2.50.0230.02016.21
5.2.40.0030.03016.21
5.2.30.0170.02316.21
5.2.20.0030.02316.21
5.2.10.0270.02716.21
5.2.00.0430.03716.21
5.1.60.0070.03016.21
5.1.50.0200.02716.21
5.1.40.0370.02316.21
5.1.30.0400.02716.21
5.1.20.0700.02016.21
5.1.10.0200.02016.21
5.1.00.0330.03016.21
5.0.50.0130.02316.21
5.0.40.0370.01316.21
5.0.30.0070.03316.21
5.0.20.0270.01716.21
5.0.10.0330.01716.21
5.0.00.0030.03316.21
4.4.90.0030.02016.21
4.4.80.0070.01716.21
4.4.70.0200.01716.21
4.4.60.0030.01316.21
4.4.50.0300.01716.21
4.4.40.0300.03316.21
4.4.30.0070.01716.21
4.4.20.0200.02316.21
4.4.10.0070.01316.21
4.4.00.0000.02316.21
4.3.110.0170.00316.21
4.3.100.0170.01316.20
4.3.90.0000.02016.21
4.3.80.0030.02316.21
4.3.70.0130.01316.21
4.3.60.0070.01716.21
4.3.50.0230.01316.21
4.3.40.0130.02016.21
4.3.30.0030.01716.21
4.3.20.0000.02016.21
4.3.10.0030.01716.21
4.3.00.0030.01716.21

preferences:
50.79 ms | 401 KiB | 5 Q