3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = null; $bar = 5; echo $foo ?? $bar;

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)
8.3.60.0120.00918.30
8.3.50.0090.00618.21
8.3.40.0060.00918.61
8.3.30.0090.00518.28
8.3.20.0050.00318.97
8.3.10.0070.00021.63
8.3.00.0080.00023.53
8.2.180.0070.01318.54
8.2.170.0070.01022.96
8.2.160.0060.01119.04
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00417.97
8.2.120.0020.00526.35
8.2.110.0030.00721.00
8.2.100.0130.00417.63
8.2.90.0090.00017.63
8.2.80.0040.00417.97
8.2.70.0000.00917.92
8.2.60.0060.00317.79
8.2.50.0000.00818.10
8.2.40.0040.00419.30
8.2.30.0030.00519.23
8.2.20.0000.00918.05
8.2.10.0000.00719.28
8.2.00.0050.00319.37
8.1.280.0070.01125.92
8.1.270.0040.00422.05
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0040.00422.50
8.1.230.0060.00620.96
8.1.220.0040.00418.77
8.1.210.0000.00818.90
8.1.200.0060.00317.22
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0050.00318.80
8.1.160.0000.00818.85
8.1.150.0080.00018.79
8.1.140.0040.00417.61
8.1.130.0000.00817.27
8.1.120.0040.00417.29
8.1.110.0030.00617.38
8.1.100.0040.00417.41
8.1.90.0040.00417.39
8.1.80.0030.00317.40
8.1.70.0070.00017.33
8.1.60.0040.01017.39
8.1.50.0060.00317.33
8.1.40.0000.00817.45
8.1.30.0050.00217.61
8.1.20.0040.00417.44
8.1.10.0050.00317.48
8.1.00.0030.00617.45
8.0.300.0070.00019.79
8.0.290.0040.00416.75
8.0.280.0070.00018.43
8.0.270.0000.00717.17
8.0.260.0070.00016.76
8.0.250.0050.00516.88
8.0.240.0090.00016.82
8.0.230.0000.00716.93
8.0.220.0070.00016.84
8.0.210.0030.00316.78
8.0.200.0040.00416.88
8.0.190.0000.00716.86
8.0.180.0040.00416.81
8.0.170.0090.00016.82
8.0.160.0070.00016.82
8.0.150.0030.00616.79
8.0.140.0070.00016.75
8.0.130.0000.00513.32
8.0.120.0040.00416.82
8.0.110.0000.00716.86
8.0.100.0070.00016.76
8.0.90.0050.00316.66
8.0.80.0070.01016.74
8.0.70.0040.00416.83
8.0.60.0040.00416.82
8.0.50.0040.00416.75
8.0.30.0120.00716.98
8.0.20.0080.01117.40
8.0.10.0040.00416.95
8.0.00.0100.01216.76
7.4.330.0050.00015.55
7.4.320.0080.00016.54
7.4.300.0030.00316.29
7.4.290.0030.00616.37
7.4.280.0030.00516.40
7.4.270.0070.00016.45
7.4.260.0030.00316.43
7.4.250.0000.00716.39
7.4.240.0020.00516.45
7.4.230.0000.00716.42
7.4.220.0040.00416.43
7.4.210.0050.01216.51
7.4.200.0070.00016.62
7.4.160.0060.01016.46
7.4.140.0080.01217.86
7.4.130.0110.00616.46
7.4.120.0110.00716.37
7.4.110.0080.00816.47
7.4.100.0150.00616.48
7.4.90.0100.01416.41
7.4.80.0090.00919.39
7.4.70.0060.01316.45
7.4.60.0130.00316.54
7.4.50.0110.00016.35
7.4.40.0120.00616.34
7.4.00.0060.01214.84
7.3.330.0070.00012.94
7.3.320.0020.00213.03
7.3.310.0040.00416.27
7.3.300.0070.00016.15
7.3.290.0050.00216.18
7.3.280.0080.00916.16
7.3.260.0140.00916.29
7.3.240.0110.00916.29
7.3.230.0130.00316.23
7.3.210.0040.01216.25
7.3.200.0090.01216.17
7.3.190.0140.00716.30
7.3.180.0120.00916.24
7.3.170.0090.00616.42
7.3.160.0110.00716.35
7.3.120.0090.00614.67
7.3.110.0030.01014.70
7.3.100.0000.01014.79
7.3.90.0070.00714.72
7.3.80.0030.01014.65
7.3.70.0040.00814.58
7.3.60.0000.01114.87
7.3.50.0000.01314.83
7.3.40.0070.00714.63
7.3.30.0040.00714.84
7.3.20.0130.00016.61
7.3.10.0060.00516.71
7.3.00.0050.00916.71
7.2.330.0090.00916.29
7.2.320.0120.01016.51
7.2.310.0120.00916.57
7.2.300.0110.01216.38
7.2.290.0120.01116.70
7.2.240.0060.00614.88
7.2.230.0030.01214.84
7.2.220.0000.01215.17
7.2.210.0040.00714.82
7.2.200.0030.00814.97
7.2.190.0140.00014.87
7.2.180.0030.01014.88
7.2.170.0030.01014.85
7.2.160.0000.01714.80
7.2.150.0000.01316.55
7.2.140.0000.01416.85
7.2.130.0030.01116.72
7.2.120.0070.00316.86
7.2.110.0070.00716.79
7.2.100.0080.00716.74
7.2.90.0070.00916.88
7.2.80.0030.01016.66
7.2.70.0140.01116.12
7.2.60.0150.00816.12
7.2.50.0090.01216.12
7.2.40.0160.00516.21
7.2.30.0090.01016.24
7.2.20.0130.00916.24
7.2.10.0130.00816.18
7.2.00.0150.00716.06
7.1.330.0000.00915.62
7.1.320.0070.00715.52
7.1.310.0060.00615.75
7.1.300.0100.00315.42
7.1.290.0000.00715.25
7.1.280.0100.00315.70
7.1.270.0040.01115.55
7.1.260.0060.00915.44
7.1.250.0030.00815.39
7.1.240.0030.00615.59
7.1.230.0110.00015.33
7.1.220.0000.00815.52
7.1.210.0110.00015.54
7.1.200.0030.00815.75
7.1.190.0110.00415.37
7.1.180.0060.00615.47
7.1.170.0160.00814.86
7.1.160.0140.00814.55
7.1.150.0140.00514.65
7.1.140.0140.00614.68
7.1.130.0130.00914.68
7.1.120.0170.00314.47
7.1.110.0090.00914.65
7.1.100.1610.00714.86
7.1.90.0130.00714.81
7.1.80.0150.00714.72
7.1.70.0150.00614.81
7.1.60.0260.00423.79
7.1.50.0310.00623.73
7.1.40.0220.00923.61
7.1.30.0220.01323.65
7.1.20.0260.01123.72
7.1.10.0160.00814.47
7.1.00.0120.01014.72
7.0.330.0030.00915.38
5.6.380.0090.00414.23

preferences:
62.51 ms | 401 KiB | 5 Q