3v4l.org

run code in 300+ PHP versions simultaneously
<?php function NC($x){ return ($x ?? "Foo"); } NC(NULL); // I know this will return "Foo". /* But I have no clue about what these will return. */ var_dump(NC(0)); var_dump(NC(-1)); var_dump(NC("")); var_dump(NC(array())); var_dump(NC("banana"));

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)
8.3.60.0100.01018.30
8.3.50.0100.00716.34
8.3.40.0070.00718.61
8.3.30.0030.01218.54
8.3.20.0080.00820.33
8.3.10.0040.00421.60
8.3.00.0030.00519.56
8.2.180.0040.01116.32
8.2.170.0110.00422.96
8.2.160.0130.00020.44
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0060.00317.25
8.2.110.0030.00622.13
8.2.100.0090.00317.63
8.2.90.0080.00018.94
8.2.80.0040.00417.97
8.2.70.0060.00317.25
8.2.60.0000.00917.55
8.2.50.0060.00618.07
8.2.40.0050.00321.25
8.2.30.0040.00417.86
8.2.20.0040.00417.56
8.2.10.0080.00017.94
8.2.00.0060.00318.04
8.1.280.0140.00025.92
8.1.270.0070.00720.37
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00322.35
8.1.230.0040.00717.42
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0100.00017.23
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0040.00418.51
8.1.160.0050.00321.99
8.1.150.0000.00718.77
8.1.140.0060.00317.26
8.1.130.0000.00717.59
8.1.120.0040.00317.39
8.1.110.0070.00017.27
8.1.100.0030.00517.17
8.1.90.0080.00017.34
8.1.80.0050.00217.28
8.1.70.0000.00717.22
8.1.60.0090.00017.43
8.1.50.0050.00317.53
8.1.40.0090.00017.44
8.1.30.0090.00017.53
8.1.20.0000.00717.48
8.1.10.0040.00417.49
8.1.00.0040.00417.37
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0030.00318.20
8.0.270.0050.00317.17
8.0.260.0080.00017.12
8.0.250.0030.00516.74
8.0.240.0050.00516.80
8.0.230.0030.00316.68
8.0.220.0030.00316.78
8.0.210.0000.00716.67
8.0.200.0000.00716.76
8.0.190.0040.00416.84
8.0.180.0070.00316.70
8.0.170.0080.00016.71
8.0.160.0040.00416.85
8.0.150.0000.00716.73
8.0.140.0040.00416.78
8.0.130.0000.00613.15
8.0.120.0030.00516.77
8.0.110.0000.00816.84
8.0.100.0000.00816.76
8.0.90.0000.00716.64
8.0.80.0070.01016.72
8.0.70.0040.00416.80
8.0.60.0040.00416.67
8.0.50.0050.00216.69
8.0.30.0120.00617.13
8.0.20.0090.01017.40
8.0.10.0070.00016.82
8.0.00.0100.01016.61
7.4.330.0000.00515.08
7.4.320.0000.00716.38
7.4.300.0000.00616.52
7.4.290.0000.00716.44
7.4.280.0000.00716.58
7.4.270.0070.00016.36
7.4.260.0030.00316.33
7.4.250.0030.00516.49
7.4.240.0050.00216.53
7.4.230.0000.00716.24
7.4.220.0100.01016.62
7.4.210.0120.00716.46
7.4.200.0030.00316.44
7.4.160.0060.01216.22
7.4.150.0120.00917.40
7.4.140.0170.00417.86
7.4.130.0100.00816.39
7.4.120.0140.00316.29
7.4.110.0100.00716.29
7.4.100.0130.01016.39
7.4.90.0090.00916.52
7.4.80.0080.00919.39
7.4.70.0070.01016.30
7.4.60.0130.00316.53
7.4.50.0000.00516.54
7.4.40.0090.00916.45
7.4.30.0070.01116.32
7.4.00.0030.00514.97
7.3.330.0080.00013.23
7.3.320.0030.00313.26
7.3.310.0020.00516.36
7.3.300.0030.00316.20
7.3.290.0060.00016.32
7.3.280.0070.01116.31
7.3.270.0140.00317.40
7.3.260.0150.00316.52
7.3.250.0120.00816.39
7.3.240.0060.01116.29
7.3.230.0070.01116.54
7.3.210.0110.00616.24
7.3.200.0140.00319.39
7.3.190.0030.01316.33
7.3.180.0030.01316.52
7.3.170.0140.01016.34
7.3.160.0060.01516.47
7.2.330.0080.00916.41
7.2.320.0090.01016.24
7.2.310.0120.00916.47
7.2.300.0150.00316.58
7.2.290.0120.00916.39
7.2.80.0080.00216.63
7.2.60.0070.00716.29
7.2.00.0000.01219.30
7.1.200.0130.00615.54
7.1.100.0070.01018.13
7.1.70.0060.00316.88
7.1.60.0180.00720.03
7.1.50.0140.01116.91
7.1.00.0070.07722.46
7.0.200.0060.00616.75
7.0.60.0100.07320.03
7.0.50.0070.05717.93
7.0.40.0100.08020.42
7.0.30.0530.06020.08
7.0.20.0270.05720.10
7.0.10.0000.04720.33
7.0.00.0070.06020.11
5.6.280.0130.05321.07
5.6.210.0100.05720.70
5.6.200.0100.08318.23
5.6.190.0070.04020.77
5.6.180.0170.06020.50
5.6.170.0170.04020.51
5.6.160.0030.04320.50
5.6.150.0070.08018.23
5.6.140.0100.04718.18
5.6.130.0070.04018.14
5.6.120.0100.07721.00
5.6.110.0130.03021.10
5.6.100.0000.04721.04
5.6.90.0070.08721.10
5.6.80.0030.04320.35
5.5.350.0100.07320.40
5.5.340.0030.04317.94
5.5.330.0000.04320.38
5.5.320.0070.04020.20
5.5.310.0230.06020.27
5.5.300.0070.06018.01
5.5.290.0030.04317.94
5.5.280.0070.05720.66
5.5.270.0030.07320.75
5.5.260.0070.04020.61
5.5.250.0100.07720.54
5.5.240.0030.07720.19
5.4.450.0130.05719.59
5.4.440.0170.05319.61
5.4.430.0130.05319.45
5.4.420.0270.04319.47
5.4.410.0170.05719.07
5.4.400.0170.05019.15
5.4.390.0170.05019.38
5.4.380.0270.04019.17
5.4.370.0200.04319.13
5.4.360.0070.06018.84
5.4.350.0100.05319.10
5.4.340.0270.03719.14
5.4.320.0230.04319.15
5.4.310.0100.05318.84
5.4.300.0230.04019.30
5.4.290.0230.04018.99
5.4.280.0070.06019.30
5.4.270.0100.05319.14
5.4.260.0200.04319.15
5.4.250.0070.05719.14
5.4.240.0130.05018.98
5.4.230.0170.04719.37
5.4.220.0070.06019.31
5.4.210.0130.05019.13
5.4.200.0100.05016.94
5.4.190.0170.04718.93
5.4.180.0230.04019.01
5.4.170.0100.05319.25
5.4.160.0070.05319.27
5.4.150.0130.05019.28
5.4.140.0130.05016.35
5.4.130.0100.05016.45
5.4.120.0130.04716.55
5.4.110.0100.05016.34
5.4.100.0070.05716.38
5.4.90.0230.04016.41
5.4.80.0200.05016.70
5.4.70.0130.05716.52
5.4.60.0100.05316.69
5.4.50.0100.05016.41
5.4.40.0130.05016.40
5.4.30.0130.05016.43
5.4.20.0130.04716.38
5.4.10.0070.05316.51
5.4.00.0100.05016.00

preferences:
56.62 ms | 400 KiB | 5 Q