3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = []; $age = $data['people'][0]['age'] ?? 10; print_r($age); $data = [ 'people' => [ [ 'age' => 12 ] ] ]; $age = $data['people'][0]['age'] ?? 10; print_r($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)
8.3.60.0040.01116.38
8.3.50.0110.00721.19
8.3.40.0120.00618.58
8.3.30.0040.01118.30
8.3.20.0000.00720.33
8.3.10.0080.00021.73
8.3.00.0080.00023.70
8.2.180.0140.00716.63
8.2.170.0110.00422.96
8.2.160.0000.01320.39
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00420.97
8.2.120.0040.00426.35
8.2.110.0090.00920.30
8.2.100.0070.00417.78
8.2.90.0000.00819.11
8.2.80.0040.00417.97
8.2.70.0060.00317.62
8.2.60.0060.00317.93
8.2.50.0030.00618.09
8.2.40.0080.00022.27
8.2.30.0030.00519.31
8.2.20.0040.00417.55
8.2.10.0000.00717.93
8.2.00.0050.00217.97
8.1.280.0000.01425.92
8.1.270.0050.00323.99
8.1.260.0040.00428.09
8.1.250.0050.00328.09
8.1.240.0090.00322.01
8.1.230.0000.01220.82
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00717.22
8.1.190.0060.00317.13
8.1.180.0000.00818.10
8.1.170.0140.00018.34
8.1.160.0040.00420.63
8.1.150.0000.00819.09
8.1.140.0060.00319.51
8.1.130.0070.00017.50
8.1.120.0040.00417.41
8.1.110.0000.00717.37
8.1.100.0030.00517.43
8.1.90.0000.00817.29
8.1.80.0000.00717.29
8.1.70.0030.00317.45
8.1.60.0070.00017.55
8.1.50.0030.00617.48
8.1.40.0040.00417.54
8.1.30.0050.00317.52
8.1.20.0000.00717.58
8.1.10.0050.00317.48
8.1.00.0030.00617.41
8.0.300.0040.00418.84
8.0.290.0000.01116.63
8.0.280.0030.00318.38
8.0.270.0000.00717.20
8.0.260.0060.00017.24
8.0.250.0000.00616.80
8.0.240.0040.00416.86
8.0.230.0000.00816.84
8.0.220.0000.00716.70
8.0.210.0030.00316.81
8.0.200.0000.00616.77
8.0.190.0030.00716.86
8.0.180.0000.00716.75
8.0.170.0120.00016.70
8.0.160.0000.00816.90
8.0.150.0040.00416.68
8.0.140.0000.00716.85
8.0.130.0050.00013.25
8.0.120.0030.00516.78
8.0.110.0030.00616.79
8.0.100.0000.00816.83
8.0.90.0030.00516.83
8.0.80.0090.00616.85
8.0.70.0040.00416.93
8.0.60.0040.00416.69
8.0.50.0050.00516.64
8.0.30.0120.00817.08
8.0.20.0140.00517.40
8.0.10.0000.00817.00
8.0.00.0100.00916.58
7.4.330.0020.00216.69
7.4.320.0030.00316.45
7.4.300.0050.00316.45
7.4.290.0000.00716.44
7.4.280.0090.00016.54
7.4.270.0050.00316.54
7.4.260.0030.00316.41
7.4.250.0070.00016.54
7.4.240.0070.00016.45
7.4.230.0030.00316.60
7.4.220.0070.01016.48
7.4.210.0120.00516.50
7.4.200.0000.00716.33
7.4.160.0160.00316.51
7.4.150.0100.00717.40
7.4.140.0080.01117.86
7.4.130.0080.00916.48
7.4.120.0120.00716.30
7.4.110.0100.00716.49
7.4.100.0120.00916.44
7.4.90.0090.01216.29
7.4.80.0110.00819.39
7.4.70.0100.00716.34
7.4.60.0060.01016.33
7.4.50.0070.00716.29
7.4.40.0030.01316.25
7.4.30.0150.00716.61
7.4.00.0030.01315.08
7.3.330.0070.00013.13
7.3.320.0050.00013.07
7.3.310.0070.00016.07
7.3.300.0070.00016.19
7.3.290.0040.00416.15
7.3.280.0090.01016.19
7.3.270.0000.01717.40
7.3.260.0090.01316.24
7.3.250.0090.00916.31
7.3.240.0070.01016.40
7.3.230.0160.00516.39
7.3.210.0150.00616.31
7.3.200.0060.01216.11
7.3.190.0080.00816.05
7.3.180.0040.01216.11
7.3.170.0160.00016.40
7.3.160.0090.00616.29
7.3.120.0120.00314.96
7.3.110.0060.00614.71
7.3.100.0040.01114.87
7.3.90.0030.01014.74
7.3.80.0030.00714.63
7.3.70.0100.00314.64
7.3.60.0070.01014.91
7.3.50.0000.01014.92
7.3.40.0030.00714.55
7.3.30.0040.00714.65
7.3.20.0000.01016.56
7.3.10.0040.00816.59
7.3.00.0090.00316.57
7.2.330.0150.00316.24
7.2.320.0070.01616.25
7.2.310.0060.01016.54
7.2.300.0050.01116.41
7.2.290.0030.01416.40
7.2.240.0100.00714.99
7.2.230.0090.00614.82
7.2.220.0080.00614.80
7.2.210.0100.00714.87
7.2.200.0080.00515.04
7.2.190.0100.00315.02
7.2.180.0040.01114.87
7.2.170.0060.00614.89
7.2.160.0090.00614.91
7.2.150.0090.00316.91
7.2.140.0030.00816.56
7.2.130.0030.00716.77
7.2.120.0000.01416.64
7.2.110.0080.00416.84
7.2.100.0070.00716.73
7.2.90.0090.00416.82
7.2.80.0000.01416.97
7.2.70.0110.00416.89
7.2.60.0060.00716.74
7.2.50.0030.01316.90
7.2.40.0070.00716.85
7.2.30.0100.00316.61
7.2.20.0070.00716.80
7.2.10.0100.00316.65
7.2.00.0080.00518.00
7.1.330.0000.01215.47
7.1.320.0060.00915.77
7.1.310.0080.00815.82
7.1.300.0070.00715.79
7.1.290.0100.00315.74
7.1.280.0040.01115.54
7.1.270.0090.00615.88
7.1.260.0030.01015.70
7.1.250.0040.01115.60
7.1.200.0040.00815.82
7.1.100.0110.00718.29
7.1.70.0030.00717.13
7.1.60.0040.01419.40
7.1.50.0030.01416.63
7.1.00.0030.07022.30
7.0.200.0080.00814.54
7.0.60.0230.07021.59
7.0.50.0030.06017.91
7.0.40.0030.04320.11
7.0.30.0270.07320.22
7.0.20.0230.05020.20
7.0.10.0070.07020.19
7.0.00.0100.04020.16
5.6.280.0000.03321.04
5.6.210.0070.05320.46
5.6.200.0030.04318.22
5.6.190.0100.09020.67
5.6.180.0300.05320.50
5.6.170.0330.04020.60
5.6.160.0100.08720.54
5.6.150.0170.05718.27
5.6.140.0270.05318.23
5.6.130.0070.08318.21
5.6.120.0000.04320.98
5.6.110.0100.08321.01
5.6.100.0070.05320.87
5.6.90.0070.06721.01
5.6.80.0130.07020.52
5.5.350.0030.03020.43
5.5.340.0070.05017.98
5.5.330.0170.07320.31
5.5.320.0530.05720.39
5.5.310.0330.07020.23
5.5.300.0070.06317.97
5.5.290.0100.07717.99
5.5.280.0030.09020.96
5.5.270.0130.07020.72
5.5.260.0170.07320.76
5.5.250.0030.09020.65
5.5.240.0130.04020.04

preferences:
51.02 ms | 401 KiB | 5 Q