3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = false; $b = 3; $c = $a ?? $b; var_dump($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)
8.3.60.0180.00318.43
8.3.50.0140.00716.36
8.3.40.0070.00718.79
8.3.30.0110.00418.67
8.3.20.0040.00421.73
8.3.10.0040.00421.92
8.3.00.0080.00019.67
8.2.180.0100.00716.63
8.2.170.0040.01122.96
8.2.160.0140.00019.13
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00722.09
8.2.120.0000.00726.35
8.2.110.0000.01019.24
8.2.100.0080.00417.79
8.2.90.0050.00218.16
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0050.00317.92
8.2.50.0000.00818.10
8.2.40.0000.00820.61
8.2.30.0050.00219.06
8.2.20.0000.00717.87
8.2.10.0050.00217.93
8.2.00.0040.00418.05
8.1.280.0070.00725.92
8.1.270.0000.00823.82
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00324.02
8.1.230.0000.01220.88
8.1.220.0040.00417.74
8.1.210.0040.00420.44
8.1.200.0060.00317.23
8.1.190.0040.00417.22
8.1.180.0050.00318.10
8.1.170.0080.00018.50
8.1.160.0040.00418.74
8.1.150.0000.00718.74
8.1.140.0040.00419.43
8.1.130.0000.00818.82
8.1.120.0030.00317.38
8.1.110.0000.00717.37
8.1.100.0000.00717.42
8.1.90.0060.00317.38
8.1.80.0000.00717.46
8.1.70.0000.00717.39
8.1.60.0000.00817.57
8.1.50.0040.00417.36
8.1.40.0000.00817.48
8.1.30.0020.00517.48
8.1.20.0000.00717.53
8.1.10.0060.00317.39
8.1.00.0060.00317.33
8.0.300.0030.00320.07
8.0.290.0000.00716.58
8.0.280.0070.00018.29
8.0.270.0070.00017.19
8.0.260.0030.00319.00
8.0.250.0000.00716.90
8.0.240.0040.00416.88
8.0.230.0030.00316.85
8.0.220.0050.00316.68
8.0.210.0080.00016.82
8.0.200.0000.01016.75
8.0.190.0040.00416.78
8.0.180.0000.00816.84
8.0.170.0000.00716.91
8.0.160.0040.00416.84
8.0.150.0060.00316.73
8.0.140.0030.00316.82
8.0.130.0050.00013.23
8.0.120.0030.00516.82
8.0.110.0040.00416.87
8.0.100.0030.00616.89
8.0.90.0000.00816.84
8.0.80.0070.01116.86
8.0.70.0040.00416.87
8.0.60.0000.00716.86
8.0.50.0050.00216.75
8.0.30.0100.00517.06
8.0.20.0110.00817.40
8.0.10.0030.00516.76
8.0.00.0070.01016.68
7.4.330.0020.00215.55
7.4.320.0060.00016.34
7.4.300.0060.00016.54
7.4.290.0050.00316.33
7.4.280.0070.00016.43
7.4.270.0030.00316.54
7.4.260.0070.00016.53
7.4.250.0050.00316.27
7.4.240.0030.00316.46
7.4.230.0030.00316.32
7.4.220.0100.00616.57
7.4.210.0000.01516.49
7.4.200.0040.00416.43
7.4.160.0110.00616.46
7.4.150.0140.00317.40
7.4.140.0130.00417.86
7.4.130.0060.01316.46
7.4.120.0110.00716.49
7.4.110.0110.00616.42
7.4.100.0160.00616.57
7.4.90.0100.00716.30
7.4.80.0080.01219.39
7.4.70.0070.01016.49
7.4.60.0130.00616.37
7.4.50.0090.00616.52
7.4.40.0060.00916.56
7.4.30.0090.00916.34
7.4.00.0090.00614.68
7.3.330.0000.00612.94
7.3.320.0020.00212.95
7.3.310.0030.00316.20
7.3.300.0030.00316.20
7.3.290.0070.00816.20
7.3.280.0090.00916.22
7.3.270.0150.01117.40
7.3.260.0170.00316.41
7.3.250.0100.00716.18
7.3.240.0110.01116.39
7.3.230.0060.00916.41
7.3.210.0120.00516.18
7.3.200.0060.00916.26
7.3.190.0130.00316.04
7.3.180.0040.01116.46
7.3.170.0060.00916.20
7.3.160.0110.00516.49
7.3.10.0120.00916.42
7.3.00.0150.00916.11
7.2.330.0160.00816.25
7.2.320.0060.01216.54
7.2.310.0130.00316.57
7.2.300.0130.00916.64
7.2.290.0070.01016.33
7.2.130.0050.01416.41
7.2.120.0160.00516.60
7.2.110.0070.00716.47
7.2.100.0130.01316.74
7.2.90.0110.00616.46
7.2.80.0200.00516.67
7.2.70.0120.00916.73
7.2.60.0080.00916.29
7.2.50.0100.01016.47
7.2.40.0160.00316.43
7.2.30.0170.00416.02
7.2.20.0140.00716.27
7.2.10.0040.01216.39
7.2.00.0130.01017.70
7.1.250.0080.01215.39
7.1.200.0030.00715.61
7.1.70.0000.01017.20
7.1.60.0000.01417.31
7.1.50.0430.00732.78
7.1.40.0330.01332.53
7.1.30.0370.02032.37
7.1.20.0370.01332.42
7.1.10.0300.00714.57
7.1.00.0270.01014.61
7.0.200.0120.00916.66
7.0.190.0330.01014.73
7.0.180.0270.00714.17
7.0.170.0370.00714.26
7.0.160.0570.01014.25
7.0.150.0270.00714.21
7.0.140.0470.01014.25
7.0.130.0330.00014.64
7.0.120.0230.01314.63
7.0.110.0270.00714.23
7.0.100.0300.00314.21
7.0.90.0270.00714.44
7.0.80.0230.01014.23
7.0.70.0330.01014.18
7.0.60.0330.00714.18
7.0.50.0300.01014.35
7.0.40.0270.01014.52
7.0.30.0370.00314.45
7.0.20.0370.00314.33
7.0.10.0230.01014.36
7.0.00.0470.01714.35

preferences:
61.48 ms | 400 KiB | 5 Q