3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); $a = []; var_dump($a['key'] ?? true);

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)
8.3.70.0060.00916.38
8.3.60.0100.01018.43
8.3.50.0100.00921.93
8.3.40.0130.00318.57
8.3.30.0040.01118.31
8.3.20.0070.00020.30
8.3.10.0050.00320.58
8.3.00.0000.00721.94
8.2.190.0140.00716.58
8.2.180.0140.00316.61
8.2.170.0040.01122.96
8.2.160.0100.00722.15
8.2.150.0040.00425.66
8.2.140.0050.00324.66
8.2.130.0000.00821.11
8.2.120.0040.00426.35
8.2.110.0030.00719.21
8.2.100.0080.00318.05
8.2.90.0040.00419.05
8.2.80.0050.00317.97
8.2.70.0060.00317.63
8.2.60.0080.00017.92
8.2.50.0080.00018.09
8.2.40.0030.00522.16
8.2.30.0040.00419.54
8.2.20.0000.00717.67
8.2.10.0050.00217.90
8.2.00.0000.00717.86
8.1.280.0110.00325.92
8.1.270.0040.00422.10
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0060.00322.61
8.1.230.0090.00317.70
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00616.99
8.1.190.0040.00417.10
8.1.180.0060.00318.10
8.1.170.0030.00518.66
8.1.160.0000.00820.68
8.1.150.0040.00418.80
8.1.140.0080.00019.54
8.1.130.0030.00317.58
8.1.120.0030.00317.27
8.1.110.0080.00017.35
8.1.100.0000.00717.42
8.1.90.0070.00017.37
8.1.80.0000.00717.39
8.1.70.0030.00317.33
8.1.60.0000.00817.64
8.1.50.0080.00017.54
8.1.40.0060.00317.41
8.1.30.0030.00517.54
8.1.20.0040.00417.47
8.1.10.0040.00417.36
8.1.00.0040.00417.45
8.0.300.0060.00318.77
8.0.290.0020.00516.63
8.0.280.0050.00218.33
8.0.270.0000.00717.10
8.0.260.0030.00317.20
8.0.250.0000.00716.82
8.0.240.0000.00716.90
8.0.230.0050.00216.84
8.0.220.0000.00716.73
8.0.210.0000.00716.86
8.0.200.0000.00616.77
8.0.190.0050.00216.81
8.0.180.0000.00716.73
8.0.170.0080.00016.84
8.0.160.0040.00416.85
8.0.150.0000.00816.79
8.0.140.0080.00016.69
8.0.130.0050.00013.25
8.0.120.0000.00816.67
8.0.110.0000.00716.87
8.0.100.0030.00316.72
8.0.90.0000.00716.67
8.0.80.0040.01116.75
8.0.70.0050.00216.63
8.0.60.0070.00016.76
8.0.50.0000.00716.73
8.0.30.0100.00816.84
8.0.20.0140.00717.40
8.0.10.0000.00816.76
8.0.00.0110.01016.71
7.4.330.0000.00516.83
7.4.320.0030.00316.52
7.4.300.0030.00316.52
7.4.290.0000.00716.50
7.4.280.0030.00716.41
7.4.270.0070.00016.53
7.4.260.0000.00816.46
7.4.250.0040.00416.30
7.4.240.0030.00316.43
7.4.230.0000.00716.32
7.4.220.0090.00916.49
7.4.210.0150.00616.56
7.4.200.0000.00716.36
7.4.160.0120.00816.37
7.4.150.0180.00817.40
7.4.140.0130.01017.86
7.4.130.0150.00516.47
7.4.120.0120.00616.36
7.4.110.0100.01016.58
7.4.100.0060.01616.54
7.4.90.0030.01516.29
7.4.80.0210.00319.39
7.4.70.0130.00316.44
7.4.60.0060.00916.28
7.4.50.0100.00716.39
7.4.40.0130.00616.49
7.4.30.0130.00316.51
7.4.00.0100.00314.91
7.3.330.0000.00612.95
7.3.320.0000.00513.03
7.3.310.0060.00016.33
7.3.300.0040.00416.19
7.3.290.0080.00916.17
7.3.280.0060.01116.19
7.3.270.0100.00717.40
7.3.260.0110.00816.59
7.3.250.0080.01116.37
7.3.240.0080.00916.47
7.3.230.0100.00716.39
7.3.210.0110.00616.49
7.3.200.0070.01416.21
7.3.190.0060.00916.25
7.3.180.0060.01016.23
7.3.170.0030.01316.40
7.3.160.0100.01016.24
7.2.330.0060.01316.43
7.2.320.0060.01216.31
7.2.310.0050.01116.63
7.2.300.0090.01516.52
7.2.290.0070.01316.59
7.2.60.0070.00716.57
7.2.00.0060.00319.25
7.1.200.0030.00615.48
7.1.100.0040.00417.88
7.1.70.0000.00716.96
7.1.60.0090.01519.19
7.1.50.0000.02216.80
7.1.00.0000.08022.44
7.0.200.0450.00914.43
7.0.60.0200.07321.77
7.0.50.0030.08317.87
7.0.40.0170.07720.22
7.0.30.0130.05020.00
7.0.20.0300.06320.04
7.0.10.0030.07320.17
7.0.00.0070.03720.31
5.6.280.0000.03320.77
5.6.210.0100.04720.70
5.6.200.0200.07318.18
5.6.190.0100.07020.34
5.6.180.0270.07720.61
5.6.170.0330.04320.40
5.6.160.0070.08320.62
5.6.150.0130.07318.25
5.6.140.0070.07318.17
5.6.130.0170.07718.18
5.6.120.0070.08721.01
5.6.110.0100.05721.13
5.6.100.0130.07021.01
5.6.90.0200.07020.94
5.6.80.0070.06320.35
5.5.350.0230.08320.32
5.5.340.0000.08018.02
5.5.330.0100.08020.41
5.5.320.0170.04020.38
5.5.310.0300.08020.24
5.5.300.0130.04717.95
5.5.290.0100.07718.08
5.5.280.0000.04320.79
5.5.270.0070.08320.75
5.5.260.0030.08320.79
5.5.250.0130.03020.58
5.5.240.0070.05720.23

preferences:
50.34 ms | 401 KiB | 5 Q