3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = []; $bar = ['a' => ['b' => ['c' => true]]]; var_dump(isset($foo['a']['b']['c'])); var_dump(isset($bar['a']['b']['c']));

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)
8.3.60.0110.01118.50
8.3.50.0150.00018.18
8.3.40.0000.01418.84
8.3.30.0090.00619.14
8.3.20.0050.00220.30
8.3.10.0050.00321.95
8.3.00.0040.00419.11
8.2.180.0120.00618.29
8.2.170.0070.00722.96
8.2.160.0090.01221.89
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0050.00226.16
8.2.120.0040.00419.54
8.2.110.0040.00722.08
8.2.100.0110.00017.78
8.2.90.0060.00319.08
8.2.80.0040.00417.97
8.2.70.0070.00717.25
8.2.60.0040.00418.05
8.2.50.0090.00318.07
8.2.40.0070.00018.28
8.2.30.0000.00718.08
8.2.20.0040.00417.56
8.2.10.0070.00017.98
8.2.00.0020.00517.59
8.1.280.0100.00325.92
8.1.270.0040.00418.93
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00523.96
8.1.230.0070.00419.16
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00617.22
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0000.00918.72
8.1.160.0070.00021.94
8.1.150.0000.00718.82
8.1.140.0000.00717.30
8.1.130.0070.00017.83
8.1.120.0000.00717.44
8.1.110.0040.00417.41
8.1.100.0030.00317.43
8.1.90.0040.00417.27
8.1.80.0040.00417.34
8.1.70.0000.00717.37
8.1.60.0040.00417.57
8.1.50.0030.00517.35
8.1.40.0040.00417.38
8.1.30.0030.00617.47
8.1.20.0000.00717.52
8.1.10.0050.00317.44
8.1.00.0000.00717.50
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0070.00018.38
8.0.270.0030.00317.19
8.0.260.0000.00617.18
8.0.250.0050.00316.89
8.0.240.0000.00816.86
8.0.230.0020.00516.89
8.0.220.0050.00216.89
8.0.210.0000.00816.87
8.0.200.0030.00316.95
8.0.190.0040.00416.96
8.0.180.0040.00416.81
8.0.170.0050.00516.69
8.0.160.0070.00016.86
8.0.150.0030.00316.73
8.0.140.0040.00416.75
8.0.130.0000.00513.22
8.0.120.0000.00816.73
8.0.110.0050.00216.86
8.0.100.0020.00516.71
8.0.90.0080.00016.89
8.0.80.0000.01816.80
8.0.70.0000.00816.72
8.0.60.0000.00816.73
8.0.50.0000.00716.69
8.0.30.0150.01116.89
8.0.20.0120.00817.40
8.0.10.0000.00816.93
8.0.00.0130.00516.66
7.4.330.0000.00515.03
7.4.320.0000.00616.54
7.4.300.0000.00616.38
7.4.290.0000.00716.54
7.4.280.0000.00816.45
7.4.270.0030.00316.46
7.4.260.0000.00716.42
7.4.250.0040.00416.54
7.4.240.0030.00316.53
7.4.230.0030.00316.56
7.4.220.0060.01216.40
7.4.210.0070.01416.52
7.4.200.0030.00316.53
7.4.160.0090.00616.32
7.4.150.0110.00717.40
7.4.140.0110.00817.86
7.4.130.0100.01016.47
7.4.120.0070.00916.32
7.4.110.0090.00916.40
7.4.100.0130.00316.40
7.4.90.0090.00916.46
7.4.80.0100.00719.39
7.4.70.0130.01016.45
7.4.60.0070.01016.52
7.4.50.0000.00816.38
7.4.40.0090.00916.55
7.4.30.0130.01016.55
7.4.00.0080.00815.00
7.3.330.0030.00313.02
7.3.320.0000.00513.12
7.3.310.0030.00316.39
7.3.300.0030.00316.29
7.3.290.0040.00916.26
7.3.280.0090.00916.31
7.3.270.0040.01517.40
7.3.260.0110.00616.23
7.3.250.0120.00516.40
7.3.240.0070.01116.37
7.3.230.0150.00616.39
7.3.210.0100.00616.40
7.3.200.0120.00619.39
7.3.190.0100.00616.49
7.3.180.0060.00916.38
7.3.170.0060.01216.27
7.3.160.0070.01016.38
7.3.120.0060.01015.03
7.3.110.0030.00714.58
7.3.100.0040.01214.53
7.3.90.0070.01014.66
7.3.80.0070.00714.62
7.3.70.0040.01114.43
7.3.60.0060.00614.86
7.3.50.0070.00314.64
7.3.40.0060.00614.78
7.3.30.0060.00614.71
7.3.20.0060.00616.56
7.3.10.0030.01016.42
7.3.00.0040.00716.48
7.2.330.0120.00616.60
7.2.320.0000.01616.32
7.2.310.0150.00016.55
7.2.300.0130.00316.36
7.2.290.0090.00916.47
7.2.250.0070.00315.09
7.2.240.0150.00415.05
7.2.230.0040.01515.11
7.2.220.0040.01114.86
7.2.210.0030.01314.72
7.2.200.0100.00314.83
7.2.190.0080.00814.93
7.2.180.0000.01414.65
7.2.170.0030.01014.97
7.2.00.0070.01119.45
7.1.330.0000.01215.77
7.1.320.0000.01415.73
7.1.310.0000.01415.75
7.1.300.0040.00915.68
7.1.290.0090.00315.71
7.1.280.0030.01015.69
7.1.270.0000.01315.56
7.1.260.0110.00415.77
7.1.200.0050.00515.66
7.1.100.0030.00918.12
7.1.70.0000.00817.05
7.1.60.0110.01419.46
7.1.50.0100.01016.80
7.1.00.0000.07722.40
7.0.200.0040.00416.66
7.0.140.0030.05722.05
7.0.60.0130.08019.94
7.0.50.0030.08717.77
7.0.40.0130.08720.39
7.0.30.0200.04320.35
7.0.20.0270.05720.13
7.0.10.0100.03720.17
7.0.00.0130.08020.17
5.6.280.0070.07020.81
5.6.210.0130.07320.50
5.6.200.0100.08018.24
5.6.190.0130.08320.63
5.6.180.0370.06320.33
5.6.170.0200.06020.54
5.6.160.0170.07320.44
5.6.150.0000.05718.11
5.6.140.0000.05018.12
5.6.130.0070.04018.21
5.6.120.0030.05021.09
5.6.110.0100.08320.88
5.6.100.0130.06020.98
5.6.90.0170.07721.13
5.6.80.0070.03320.41
5.5.350.0130.07020.40
5.5.340.0070.03717.92
5.5.330.0070.05320.21
5.5.320.0370.07320.17
5.5.310.0170.05320.26
5.5.300.0130.03317.87
5.5.290.0070.06017.96
5.5.280.0130.07720.76
5.5.270.0070.07720.86
5.5.260.0030.07320.86
5.5.250.0000.07020.57
5.5.240.3970.03720.01
5.4.450.0500.06719.57
5.4.440.0200.05319.32
5.4.430.0100.05319.68
5.4.420.0100.05319.68
5.4.410.0130.05019.36
5.4.400.0100.05318.84
5.4.390.0230.05318.50
5.4.380.0230.05318.63
5.4.370.0330.06318.52
5.4.360.0330.04018.46
5.4.350.0230.05318.74
5.4.340.0230.05318.46
5.4.320.0300.05018.63
5.4.310.0230.04718.66
5.4.300.0370.03718.73
5.4.290.0230.04718.70
5.4.280.0200.05318.52
5.4.270.0300.04018.49
5.4.260.0200.05318.57
5.4.250.0230.05718.71
5.4.240.0200.05318.52
5.4.230.0200.05318.68
5.4.220.0270.04718.64
5.4.210.0200.05718.57
5.4.200.0170.05316.50
5.4.190.0170.05718.70
5.4.180.0170.05718.68
5.4.170.0100.06318.61
5.4.160.0130.06318.68
5.4.150.0100.06318.65
5.4.140.0170.05716.13
5.4.130.0230.05016.20
5.4.120.0230.04716.06
5.4.110.0230.04316.16
5.4.100.0170.05716.27
5.4.90.0170.06716.20
5.4.80.0130.05716.24
5.4.70.0230.05016.12
5.4.60.0170.05716.13
5.4.50.0270.04016.23
5.4.40.0170.05316.27
5.4.30.0270.04016.21
5.4.20.0230.04716.22
5.4.10.0370.03316.11
5.4.00.0200.05015.66
5.3.290.0170.06014.60
5.3.280.0270.04714.67
5.3.270.0230.05014.63
5.3.260.0200.06714.70
5.3.250.0230.05014.61
5.3.240.0200.05314.50
5.3.230.0300.04314.64
5.3.220.0270.04314.63
5.3.210.0270.04714.62
5.3.200.0300.06314.51
5.3.190.0130.07314.48
5.3.180.0230.05014.48
5.3.170.0230.05314.53
5.3.160.0200.05014.57
5.3.150.0400.04714.61
5.3.140.0200.05014.53
5.3.130.0100.06714.55
5.3.120.0230.05314.54
5.3.110.0200.05714.51
5.3.100.0170.05314.00
5.3.90.0230.05313.95
5.3.80.0130.05714.00
5.3.70.0130.06313.95
5.3.60.0200.05013.95
5.3.50.0200.05713.93
5.3.40.0130.05314.03
5.3.30.0200.05013.84
5.3.20.0270.04313.60
5.3.10.0170.05013.73
5.3.00.0330.05713.62
5.2.170.0230.03311.28
5.2.160.0170.04011.09
5.2.150.0100.04711.13
5.2.140.0070.05011.19
5.2.130.0200.03311.25
5.2.120.0100.04311.09
5.2.110.0070.04711.15
5.2.100.0130.04011.12
5.2.90.0130.04011.24
5.2.80.0200.04011.05
5.2.70.0130.04311.15
5.2.60.0170.04010.96
5.2.50.0070.05011.07
5.2.40.0170.03711.01
5.2.30.0130.04311.11
5.2.20.0100.04010.96
5.2.10.0130.04011.02
5.2.00.0030.05010.71
5.1.60.0070.0379.96
5.1.50.0130.03310.02
5.1.40.0100.0379.93
5.1.30.0100.04310.47
5.1.20.0130.03310.38
5.1.10.0070.04010.13
5.1.00.0100.04010.16
5.0.50.0100.0278.58
5.0.40.0070.0308.47
5.0.30.0030.0478.36
5.0.20.0070.0308.39
5.0.10.0130.0238.29
5.0.00.0170.0438.17
4.4.90.0100.0205.82
4.4.80.0030.0235.92
4.4.70.0070.0235.91
4.4.60.0070.0235.89
4.4.50.0000.0305.93
4.4.40.0030.0375.85
4.4.30.0130.0175.92
4.4.20.0030.0275.96
4.4.10.0100.0205.94
4.4.00.0100.0335.92
4.3.110.0100.0205.79
4.3.100.0030.0235.82
4.3.90.0030.0235.80
4.3.80.0070.0335.77
4.3.70.0070.0205.82
4.3.60.0070.0275.82
4.3.50.0030.0275.86
4.3.40.0030.0375.86
4.3.30.0030.0234.66
4.3.20.0100.0204.64
4.3.10.0000.0274.51
4.3.00.0130.0178.74

preferences:
38.44 ms | 400 KiB | 5 Q