3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = NULL; $y = NULL; $z = NULL; $result = !empty($x) ? $x : (!empty($y) ? $y : (!empty($z) ? $z : 'empty')); echo $result . "\n"; // Using in PHP 7 $result2 = $x ?? $y ?? $z; var_dump($result2); echo "\n";

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)
8.3.60.0120.00616.50
8.3.50.0180.00421.00
8.3.40.0090.00618.63
8.3.30.0110.00418.42
8.3.20.0060.00320.14
8.3.10.0030.00523.43
8.3.00.0070.00023.52
8.2.180.0140.00316.32
8.2.170.0150.00618.84
8.2.160.0040.01122.96
8.2.150.0030.00524.18
8.2.140.0050.00324.66
8.2.130.0080.00019.34
8.2.120.0070.00726.35
8.2.110.0100.00022.31
8.2.100.0090.00317.72
8.2.90.0030.00517.61
8.2.80.0000.00818.05
8.2.70.0080.00018.04
8.2.60.0050.00317.80
8.2.50.0040.00418.10
8.2.40.0040.00420.59
8.2.30.0000.00720.61
8.2.20.0040.00417.54
8.2.10.0050.00218.17
8.2.00.0060.00318.09
8.1.280.0070.01025.92
8.1.270.0100.00620.38
8.1.260.0080.00028.09
8.1.250.0060.00328.09
8.1.240.0090.00023.88
8.1.230.0080.00418.95
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0060.00317.35
8.1.190.0060.00317.35
8.1.180.0050.00318.10
8.1.170.0050.00318.56
8.1.160.0000.00720.75
8.1.150.0030.00718.78
8.1.140.0040.00419.67
8.1.130.0040.00417.73
8.1.120.0040.00417.36
8.1.110.0000.00717.33
8.1.100.0040.00317.44
8.1.90.0000.00717.38
8.1.80.0050.00317.38
8.1.70.0070.00017.45
8.1.60.0000.00717.63
8.1.50.0030.00617.52
8.1.40.0040.00417.52
8.1.30.0060.00317.64
8.1.20.0030.00617.65
8.1.10.0080.00017.41
8.1.00.0030.00617.41
8.0.300.0000.00819.79
8.0.290.0080.00016.63
8.0.280.0030.00318.44
8.0.270.0030.00317.35
8.0.260.0060.00017.19
8.0.250.0030.00516.93
8.0.240.0000.00716.98
8.0.230.0070.00016.96
8.0.220.0000.00716.90
8.0.210.0080.00016.78
8.0.200.0030.00316.82
8.0.190.0040.00416.92
8.0.180.0070.00016.79
8.0.170.0000.00716.81
8.0.160.0040.00416.85
8.0.150.0030.00316.86
8.0.140.0080.00016.82
8.0.130.0050.00013.36
8.0.120.0030.00516.81
8.0.110.0040.00416.72
8.0.100.0030.00516.77
8.0.90.0040.00416.99
8.0.80.0060.01316.82
8.0.70.0000.00716.83
8.0.60.0070.00016.90
8.0.50.0000.00716.91
8.0.30.0060.01117.05
8.0.20.0100.01017.40
8.0.10.0040.00417.02
8.0.00.0110.00616.70
7.4.330.0000.00516.67
7.4.320.0060.00016.63
7.4.300.0040.00416.59
7.4.290.0000.00716.55
7.4.280.0000.00716.47
7.4.270.0040.00416.40
7.4.260.0030.00316.47
7.4.250.0000.00716.40
7.4.240.0000.00716.52
7.4.230.0030.00316.63
7.4.220.0120.00616.46
7.4.210.0030.01116.38
7.4.200.0030.00316.52
7.4.160.0090.00616.56
7.4.150.0120.00617.40
7.4.140.0110.00817.86
7.4.130.0230.02016.50
7.4.120.0090.01316.40
7.4.110.0130.00316.29
7.4.100.0030.01416.43
7.4.90.0080.00816.31
7.4.80.0030.01319.39
7.4.70.0030.01416.39
7.4.60.0090.00916.28
7.4.50.0000.01516.46
7.4.40.0100.01016.48
7.4.30.0060.01216.55
7.4.00.0110.00414.90
7.3.330.0000.00613.08
7.3.320.0000.00513.03
7.3.310.0000.00716.16
7.3.300.0000.00716.03
7.3.290.0070.01016.18
7.3.280.0090.00716.23
7.3.270.0070.01017.40
7.3.260.0140.00316.21
7.3.250.0110.00916.31
7.3.240.0110.01116.31
7.3.230.0100.01316.39
7.3.210.0030.01316.36
7.3.200.0100.00716.36
7.3.190.0120.00316.23
7.3.180.0100.00616.17
7.3.170.0130.00916.27
7.3.160.0160.00416.41
7.3.10.0080.00616.64
7.3.00.0060.01016.49
7.2.330.0120.00616.57
7.2.320.0150.00916.64
7.2.310.0100.00716.73
7.2.300.0070.01016.35
7.2.290.0030.01916.25
7.2.130.0140.00216.85
7.2.120.0090.00916.81
7.2.110.0100.00616.73
7.2.100.0140.00516.86
7.2.90.0050.01016.87
7.2.80.0080.00616.95
7.2.70.0020.01316.59
7.2.60.0090.00716.92
7.2.50.0060.01016.70
7.2.40.0100.00616.69
7.2.30.0110.00316.80
7.2.20.0100.00716.78
7.2.10.0120.00316.88
7.2.00.0050.01017.73
7.1.250.0100.00615.61
7.1.200.0060.00915.70
7.1.100.0000.00918.01
7.1.70.0000.00817.12
7.1.60.0060.01819.52
7.1.50.0040.01916.87
7.1.00.0070.07322.45
7.0.200.0060.00316.80
7.0.60.0070.05719.83
7.0.50.0100.03317.90
7.0.40.0030.04720.04
7.0.30.0230.05320.00
7.0.20.0270.08020.30
7.0.10.0070.06020.17
7.0.00.0170.08020.30
5.6.280.0030.05721.08
5.6.210.0130.07320.61
5.6.200.0030.09018.12
5.6.190.0030.04320.64
5.6.180.0230.07320.58
5.6.170.0200.03720.45
5.6.160.0130.08020.44
5.6.150.0070.03718.12
5.6.140.0030.04318.28
5.6.130.0030.05718.18
5.6.120.0070.03721.02
5.6.110.0130.08021.09
5.6.100.0130.08020.88
5.6.90.0070.03720.88
5.6.80.0100.07320.48
5.5.350.0330.07320.33
5.5.340.0070.07318.02
5.5.330.0170.07320.21
5.5.320.0300.07720.41
5.5.310.0370.04320.35
5.5.300.0030.04717.98
5.5.290.0030.07717.95
5.5.280.0030.08020.89
5.5.270.0200.07020.88
5.5.260.0030.04320.88
5.5.250.0070.08320.66
5.5.240.0070.07720.26

preferences:
47.69 ms | 401 KiB | 5 Q