3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = []; $age = $data['people'][0]['age'] ?? 10; var_dump($age); $data = [ 'people' => [ [ 'age' => 12 ] ] ]; $age = $data['people'][0]['age'] ?? 10; var_dump($age);

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)
8.3.60.0070.00716.47
8.3.50.0110.00721.05
8.3.40.0140.00318.85
8.3.30.0090.00618.58
8.3.20.0070.00020.16
8.3.10.0040.00421.94
8.3.00.0040.00423.60
8.2.180.0110.01116.46
8.2.170.0100.01022.96
8.2.160.0100.00320.39
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0040.00420.94
8.2.120.0040.00426.35
8.2.110.0040.00419.27
8.2.100.0120.00017.80
8.2.90.0000.00819.22
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0060.00317.80
8.2.50.0040.00818.09
8.2.40.0040.00422.32
8.2.30.0070.00019.44
8.2.20.0030.00517.62
8.2.10.0070.00018.08
8.2.00.0040.00417.92
8.1.280.0050.00825.92
8.1.270.0080.00023.99
8.1.260.0000.00728.09
8.1.250.0060.00328.09
8.1.240.0060.00320.66
8.1.230.0040.00717.83
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00717.23
8.1.190.0080.00017.22
8.1.180.0070.00018.10
8.1.170.0040.00718.62
8.1.160.0050.00220.62
8.1.150.0030.00418.92
8.1.140.0050.00319.52
8.1.130.0000.00717.68
8.1.120.0000.00717.40
8.1.110.0000.00717.41
8.1.100.0050.00317.35
8.1.90.0040.00417.40
8.1.80.0000.00717.30
8.1.70.0000.00717.37
8.1.60.0070.00017.57
8.1.50.0030.00617.59
8.1.40.0050.00317.53
8.1.30.0090.00017.68
8.1.20.0000.00817.48
8.1.10.0040.00417.48
8.1.00.0040.00417.41
8.0.300.0000.00818.77
8.0.290.0040.00716.58
8.0.280.0030.00318.38
8.0.270.0000.00717.10
8.0.260.0080.00017.16
8.0.250.0030.00316.79
8.0.240.0080.00016.95
8.0.230.0040.00416.85
8.0.220.0000.00716.73
8.0.210.0040.00416.81
8.0.200.0000.00716.88
8.0.190.0080.00416.88
8.0.180.0000.00716.84
8.0.170.0050.00516.68
8.0.160.0070.00016.80
8.0.150.0050.00316.66
8.0.140.0040.00416.85
8.0.130.0050.00013.26
8.0.120.0050.00316.79
8.0.110.0000.00816.85
8.0.100.0070.00016.69
8.0.90.0040.00416.72
8.0.80.0030.01316.82
8.0.70.0030.00516.70
8.0.60.0000.00716.64
8.0.50.0070.00016.81
8.0.30.0060.01016.81
8.0.20.0110.01017.41
8.0.10.0040.00416.76
8.0.00.0080.00916.74
7.4.330.0020.00216.73
7.4.320.0000.00716.36
7.4.300.0040.00416.50
7.4.290.0030.00316.41
7.4.280.0030.00516.42
7.4.270.0000.00816.51
7.4.260.0030.00516.32
7.4.250.0030.00516.40
7.4.240.0030.00316.45
7.4.230.0000.00716.43
7.4.220.0030.01416.64
7.4.210.0060.00916.53
7.4.200.0030.00316.32
7.4.160.0000.01816.50
7.4.150.0100.01017.40
7.4.140.0120.00717.86
7.4.130.0120.00716.37
7.4.120.0100.00816.57
7.4.110.0080.00816.63
7.4.100.0170.00016.50
7.4.90.0130.00716.49
7.4.80.0110.00719.39
7.4.70.0080.00816.63
7.4.60.0060.00916.33
7.4.50.0140.00016.25
7.4.40.0110.00516.37
7.4.30.0120.01016.40
7.4.10.0060.01014.70
7.4.00.0050.01115.03
7.3.330.0000.00812.95
7.3.320.0060.00013.09
7.3.310.0000.00616.28
7.3.300.0050.00216.23
7.3.290.0030.00316.23
7.3.280.0160.00316.22
7.3.270.0170.00717.40
7.3.260.0100.01416.21
7.3.250.0090.00816.50
7.3.240.0070.01016.33
7.3.230.0000.01816.39
7.3.210.0070.01116.48
7.3.200.0060.01216.39
7.3.190.0080.00816.09
7.3.180.0130.00316.38
7.3.170.0060.01016.54
7.3.160.0070.00716.27
7.3.130.0030.00914.77
7.3.120.0040.01414.71
7.3.110.0060.00914.72
7.3.100.0060.00614.73
7.3.90.0130.00014.60
7.3.80.0030.00514.60
7.3.70.0070.00414.73
7.3.60.0000.01514.74
7.3.50.0080.00314.74
7.3.40.0040.01014.72
7.3.30.0130.00014.56
7.3.20.0030.01316.61
7.3.10.0080.00716.32
7.3.00.0070.00316.59
7.2.330.0050.01716.39
7.2.320.0120.01216.51
7.2.310.0060.01216.71
7.2.300.0030.01316.21
7.2.290.0090.00616.54
7.2.260.0060.01214.82
7.2.250.0090.00914.86
7.2.240.0080.00814.86
7.2.230.0040.01414.62
7.2.220.0060.01115.00
7.2.210.0030.01215.03
7.2.200.0090.00614.86
7.2.190.0100.00014.92
7.2.180.0030.01014.96
7.2.170.0040.00815.00
7.2.160.0030.00714.84
7.2.150.0030.01016.79
7.2.140.0060.00916.64
7.2.130.0000.01016.75
7.2.120.0030.01216.79
7.2.110.0090.00516.74
7.2.100.0090.00216.49
7.2.90.0040.00916.94
7.2.80.0050.00816.78
7.2.70.0050.01116.54
7.2.60.0070.00616.73
7.2.50.0040.01016.79
7.2.40.0070.01017.22
7.2.30.0070.01017.01
7.2.20.0080.00817.07
7.2.10.0440.01117.10
7.2.00.0050.01117.57
7.1.330.0090.00615.82
7.1.320.0090.00615.88
7.1.310.0030.00915.59
7.1.300.0040.00715.70
7.1.290.0070.00715.60
7.1.280.0090.00915.31
7.1.270.0070.01015.86
7.1.260.0040.01515.46
7.1.250.0110.00015.70
7.1.240.0100.00715.52
7.1.230.0060.00315.82
7.1.220.0060.00615.71
7.1.210.0040.00415.64
7.1.200.0030.00915.72
7.1.190.0070.00715.74
7.1.180.0110.00415.63
7.1.170.0050.00415.67
7.1.160.0070.00916.31
7.1.150.0100.01016.21
7.1.140.0170.00916.10
7.1.130.0120.00816.21
7.1.120.0100.00816.05
7.1.110.0100.01215.91
7.1.100.0110.00916.73
7.1.90.0580.00716.00
7.1.80.0730.00915.83
7.1.70.0340.00916.08
7.1.60.0650.01422.77
7.1.50.0650.01021.77
7.1.40.0890.01624.22
7.1.30.0850.01424.08
7.1.20.1560.01424.31
7.1.10.0830.01115.15
7.1.00.0380.03117.61
7.0.330.0090.00615.37
7.0.320.0000.00815.35
7.0.310.0040.00815.07
7.0.300.0070.00415.27
7.0.290.0220.01115.86
7.0.280.0030.01015.28
7.0.270.0100.00915.90
7.0.260.0100.01216.03
7.0.250.0120.01015.70
7.0.240.0130.00615.60
7.0.230.0620.00615.79
7.0.220.0730.01115.60
7.0.210.0640.00715.10
7.0.200.0630.00915.00
7.0.190.0920.00815.02
7.0.180.0850.00914.74
7.0.170.0820.01214.72
7.0.160.0760.00714.76
7.0.150.0610.00814.80
7.0.140.0730.01214.66
7.0.130.0730.01314.99
7.0.120.0620.01014.99
7.0.110.0610.01214.92
7.0.100.0630.01014.92
7.0.90.0650.01214.92
7.0.80.0700.00914.92
7.0.70.0690.00914.83
7.0.60.0520.02817.12
7.0.50.0380.03515.88
7.0.40.0400.02116.11
7.0.30.0380.02716.11
7.0.20.0380.02916.00
7.0.10.0330.03716.06
7.0.00.0250.03316.08
5.6.400.0030.00913.96
5.6.390.0110.00013.93
5.6.380.0060.00613.95
5.6.370.0060.00314.02
5.6.360.0030.00614.07
5.6.350.0030.01014.32
5.6.340.0070.00314.34
5.6.330.0070.00313.96
5.6.320.0000.01814.46
5.6.310.0100.00314.35
5.6.300.0120.03817.54
5.6.290.0170.04217.41
5.6.280.0130.03918.74
5.6.270.0150.03617.54
5.6.260.0130.04017.45
5.6.250.0120.04117.58
5.6.240.0150.04117.45
5.6.230.0110.04617.53
5.6.220.0140.03417.54
5.6.210.0160.04918.52
5.6.200.0080.04517.69
5.6.190.0110.04718.49
5.6.180.0220.03718.62
5.6.170.0220.04018.55
5.6.160.0110.03718.45
5.6.150.0090.05617.78
5.6.140.0160.04217.70
5.6.130.0120.05117.74
5.6.120.0100.04718.59
5.6.110.0140.05018.71
5.6.100.0130.04418.71
5.6.90.0140.04918.58
5.6.80.0070.05218.15
5.6.70.0130.03817.11
5.6.60.0120.03517.12
5.6.50.0130.03417.14
5.6.40.0130.03217.11
5.6.30.0140.03417.25
5.6.20.0140.03816.95
5.6.10.0160.04017.25
5.6.00.0140.03417.20
5.5.380.0140.07717.62
5.5.370.0170.05917.43
5.5.360.0180.06417.50
5.5.350.0140.05018.89
5.5.340.0090.06418.05
5.5.330.0150.07818.98
5.5.320.0320.06419.11
5.5.310.0130.06119.19
5.5.300.0120.06517.98
5.5.290.0120.06417.95
5.5.280.0070.06619.43
5.5.270.0110.08619.39
5.5.260.0110.08319.40
5.5.250.0100.07419.26
5.5.240.0190.06318.62
5.5.230.0230.05317.40
5.5.220.0240.06717.07
5.5.210.0170.07717.40
5.5.200.0190.06817.25
5.5.190.0140.05817.29
5.5.180.0180.07517.12
5.5.160.0180.05817.38
5.5.150.0150.05517.27
5.5.140.0150.05617.05
5.5.130.0180.05417.30
5.5.120.0200.06017.09
5.5.110.0170.07117.36
5.5.100.0170.07017.31
5.5.90.0120.06617.22
5.5.80.0110.06017.27
5.5.70.0130.08317.34
5.5.60.0200.06717.27
5.5.50.0220.06717.20
5.5.40.0190.06417.26
5.5.30.0140.05717.26
5.5.20.0120.06817.29
5.5.10.0220.07217.32
5.5.00.0210.06417.25
5.4.450.0480.05819.29
5.4.440.0440.06419.30
5.4.430.0460.06619.40
5.4.420.0480.06619.53
5.4.410.0470.06419.34
5.4.400.0490.05419.18
5.4.390.0420.06219.07
5.4.380.0570.06719.04
5.4.370.0370.05919.20
5.4.360.0490.06219.17
5.4.350.0460.06919.16
5.4.340.0520.05519.10
5.4.320.0460.05819.11
5.4.310.0440.05219.17
5.4.300.0450.05218.99
5.4.290.0410.05818.93
5.4.280.0410.05619.22
5.4.270.0400.05419.21
5.4.260.0430.05319.08
5.4.250.0410.05819.24
5.4.240.0430.06119.04
5.4.230.0470.05319.12
5.4.220.0500.06519.00
5.4.210.0470.06019.10
5.4.200.0560.05018.96
5.4.190.0400.05319.13
5.4.180.0440.06119.06
5.4.170.0450.05718.95
5.4.160.0430.05619.00
5.4.150.0570.06118.95
5.4.140.0500.05716.53
5.4.130.0450.05216.43
5.4.120.0490.05116.36
5.4.110.0440.05716.60
5.4.100.0150.05716.66
5.4.90.0170.05716.48
5.4.80.0150.05216.39
5.4.70.0170.04716.39
5.4.60.0230.06216.60
5.4.50.0180.04716.67
5.4.40.0200.05916.42
5.4.30.0180.06816.39
5.4.20.0200.06416.66
5.4.10.0160.05616.48
5.4.00.0160.06716.03
5.3.290.0470.05914.61
5.3.280.0420.05514.61
5.3.270.0660.05814.61
5.3.260.0360.06014.51
5.3.250.0470.05414.49
5.3.240.0510.06814.64
5.3.230.0470.05514.60
5.3.220.0540.05814.44
5.3.210.0500.06414.61
5.3.200.0170.06814.66
5.3.190.0230.06514.55
5.3.180.0190.06114.50
5.3.170.0180.07014.63
5.3.160.0150.06514.63
5.3.150.0180.05814.54
5.3.140.0140.05214.70
5.3.130.0190.06014.71
5.3.120.0170.06314.49
5.3.110.0180.05614.50
5.3.100.0160.06914.21
5.3.90.0180.06614.01
5.3.80.0160.05214.12
5.3.70.0150.05313.95
5.3.60.0260.05914.00
5.3.50.0180.06213.94
5.3.40.0110.05913.91
5.3.30.0160.05413.99
5.3.20.0190.05213.61
5.3.10.0230.04713.64
5.3.00.0150.05713.57
5.2.170.0070.06111.37
5.2.160.0120.04211.35
5.2.150.0110.04710.95
5.2.140.0180.03711.06
5.2.130.0090.04611.21
5.2.120.0110.04111.24
5.2.110.0150.05211.32
5.2.100.0110.04811.02
5.2.90.0130.05111.29
5.2.80.0140.05311.23
5.2.70.0110.05311.14
5.2.60.0140.05711.18
5.2.50.0090.05411.00
5.2.40.0160.04911.18
5.2.30.0160.04511.16
5.2.20.0150.04911.08
5.2.10.0100.04111.08
5.2.00.0170.05410.97
5.1.60.0100.04810.18
5.1.50.0190.03910.13
5.1.40.0090.0439.95
5.1.30.0120.04910.48
5.1.20.0120.03810.43
5.1.10.0070.04910.25
5.1.00.0150.04110.15
5.0.50.0100.0308.54
5.0.40.0110.0368.68
5.0.30.0120.0458.48
5.0.20.0030.0368.48
5.0.10.0070.0378.48
5.0.00.0080.0538.48
4.4.90.0060.0278.48
4.4.80.0070.0278.48
4.4.70.0090.0258.48
4.4.60.0080.0258.48
4.4.50.0070.0268.48
4.4.40.0060.0378.48
4.4.30.0150.0228.48
4.4.20.0090.0208.48
4.4.10.0070.0288.48
4.4.00.0040.0388.48
4.3.110.0100.0278.48
4.3.100.0070.0288.48
4.3.90.0110.0248.48
4.3.80.0070.0348.48
4.3.70.0090.0248.48
4.3.60.0080.0268.48
4.3.50.0060.0288.48
4.3.40.0080.0328.48
4.3.30.0080.0258.48
4.3.20.0070.0228.48
4.3.10.0040.0298.48
4.3.00.0030.0298.48

preferences:
55.15 ms | 401 KiB | 5 Q