3v4l.org

run code in 300+ PHP versions simultaneously
<?php $value = 5; $false = false; $empty = ''; $null = null; echo $null ?? $value; echo $notSet ?? null ?? $value; echo $null ?? 0 ?? $value; var_dump($false ?? $value); var_dump($empty ?? $value);

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)
8.3.60.0100.01016.50
8.3.50.0130.00621.92
8.3.40.0150.00018.55
8.3.30.0140.00718.77
8.3.20.0070.00020.16
8.3.10.0030.00523.65
8.3.00.0050.00319.38
8.2.180.0100.01016.38
8.2.170.0070.00722.96
8.2.160.0070.00720.38
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00420.38
8.2.120.0070.01026.35
8.2.110.0050.00519.27
8.2.100.0100.00017.84
8.2.90.0000.00919.11
8.2.80.0060.00317.97
8.2.70.0030.00617.75
8.2.60.0030.00617.80
8.2.50.0080.00018.07
8.2.40.0040.00419.46
8.2.30.0000.00820.67
8.2.20.0030.00617.73
8.2.10.0050.00317.98
8.2.00.0040.00417.90
8.1.280.0100.00325.92
8.1.270.0060.00923.88
8.1.260.0040.00428.09
8.1.250.0090.00028.09
8.1.240.0030.00621.12
8.1.230.0090.00317.45
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0060.00617.22
8.1.180.0040.00418.10
8.1.170.0000.00818.44
8.1.160.0030.00521.81
8.1.150.0050.00318.73
8.1.140.0080.00019.50
8.1.130.0000.00717.62
8.1.120.0030.00517.29
8.1.110.0000.00717.30
8.1.100.0000.00817.38
8.1.90.0030.00617.32
8.1.80.0060.00317.35
8.1.70.0000.00717.35
8.1.60.0000.00817.56
8.1.50.0060.00317.49
8.1.40.0050.00317.45
8.1.30.0090.00017.55
8.1.20.0030.00617.42
8.1.10.0000.00717.43
8.1.00.0070.00017.27
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0050.00218.36
8.0.270.0070.00017.11
8.0.260.0040.00417.23
8.0.250.0030.00317.00
8.0.240.0000.00716.96
8.0.230.0000.00716.92
8.0.220.0040.00416.91
8.0.210.0000.00816.74
8.0.200.0080.00016.92
8.0.190.0050.00316.95
8.0.180.0050.00316.79
8.0.170.0050.00316.92
8.0.160.0040.00716.86
8.0.150.0000.00816.82
8.0.140.0000.00716.82
8.0.130.0000.00613.39
8.0.120.0030.00516.86
8.0.110.0040.00416.83
8.0.100.0050.00316.74
8.0.90.0030.00416.92
8.0.80.0040.01616.86
8.0.70.0040.00416.70
8.0.60.0030.00516.81
8.0.50.0040.00416.94
8.0.30.0090.01116.94
8.0.20.0130.01017.40
8.0.10.0030.00316.81
8.0.00.0130.01116.76
7.4.330.0000.00516.79
7.4.320.0070.00016.50
7.4.300.0030.00616.52
7.4.290.0030.00316.43
7.4.280.0000.00616.43
7.4.270.0000.00716.36
7.4.260.0030.00316.32
7.4.250.0070.00016.51
7.4.240.0030.00516.39
7.4.230.0070.00016.31
7.4.220.0160.00616.55
7.4.210.0030.01216.41
7.4.200.0000.00716.52
7.4.160.0030.01216.25
7.4.150.0130.00617.40
7.4.140.0060.01117.86
7.4.130.0110.00716.45
7.4.120.0100.01216.31
7.4.110.0090.00916.57
7.4.100.0090.00916.29
7.4.90.0160.00016.40
7.4.80.0080.01619.39
7.4.70.0090.00916.39
7.4.60.0110.00616.51
7.4.50.0110.00316.63
7.4.40.0050.01116.49
7.4.30.0070.01016.33
7.4.00.0070.00714.96
7.3.330.0000.00513.04
7.3.320.0030.00313.18
7.3.310.0080.00016.20
7.3.300.0000.00716.16
7.3.290.0080.00716.23
7.3.280.0080.00616.31
7.3.270.0110.00717.40
7.3.260.0100.00616.44
7.3.250.0120.00716.22
7.3.240.0090.00916.16
7.3.230.0090.00916.39
7.3.210.0090.00916.16
7.3.200.0050.01116.28
7.3.190.0160.00616.20
7.3.180.0140.00316.38
7.3.170.0070.01016.27
7.3.160.0040.01216.42
7.3.10.0070.01016.59
7.3.00.0060.00816.09
7.2.330.0180.00016.68
7.2.320.0100.00716.25
7.2.310.0090.00916.30
7.2.300.0070.01616.34
7.2.290.0030.01316.56
7.2.130.0120.00316.50
7.2.120.0220.01916.14
7.2.110.0100.01016.43
7.2.100.0180.00316.45
7.2.90.0180.00916.65
7.2.80.0200.00616.32
7.2.70.0190.00316.47
7.2.60.0190.00616.62
7.2.50.0140.00616.25
7.2.40.0290.00616.40
7.2.30.0210.00916.53
7.2.20.0240.00816.28
7.2.10.0340.00816.07
7.2.00.0190.00617.64
7.1.250.0100.01015.73
7.1.200.0040.00815.72
7.1.100.0000.01118.34
7.1.70.0000.00716.80
7.1.60.0130.00619.36
7.1.50.0100.01017.02
7.1.00.0030.07722.27
7.0.200.0020.00516.68
7.0.60.0170.07320.05
7.0.50.0030.08717.80
7.0.40.0000.05720.27
7.0.30.0030.09020.16
7.0.20.0330.04320.21
7.0.10.0000.06320.04
7.0.00.0000.04720.16
5.6.280.0070.07021.09
5.6.210.0100.07320.52
5.6.200.0170.07318.25
5.6.190.0070.07020.63
5.6.180.0470.05720.42
5.6.170.0270.07320.71
5.6.160.0130.08020.39
5.6.150.0100.06018.14
5.6.140.0070.07718.13
5.6.130.0130.06318.18
5.6.120.0030.04021.11
5.6.110.0030.04320.99
5.6.100.0070.08321.13
5.6.90.0300.06720.98
5.6.80.0000.06020.53
5.5.350.3130.03020.43
5.5.340.0030.08717.98
5.5.330.0070.05320.45
5.5.320.0030.06320.27
5.5.310.0300.08020.41
5.5.300.0130.07317.98
5.5.290.0130.04717.95
5.5.280.0100.05020.68
5.5.270.0100.05320.64
5.5.260.0100.06020.86
5.5.250.0130.07320.68
5.5.240.0230.07320.28

preferences:
56.24 ms | 401 KiB | 5 Q