3v4l.org

run code in 300+ PHP versions simultaneously
<?php function testNull($yourVar) {var_export($yourVar);} $myVar = null; testNull($myVar);

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)
8.3.60.0140.00716.38
8.3.50.0030.01016.36
8.3.40.0070.00718.60
8.3.30.0090.00618.35
8.3.20.0070.00020.21
8.3.10.0060.00323.52
8.3.00.0040.00421.92
8.2.180.0070.01016.63
8.2.170.0110.00422.96
8.2.160.0150.00018.97
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00019.24
8.2.120.0000.00826.35
8.2.110.0080.00322.13
8.2.100.0000.01117.60
8.2.90.0000.00819.14
8.2.80.0030.00617.97
8.2.70.0030.00717.50
8.2.60.0040.00417.93
8.2.50.0000.00818.10
8.2.40.0040.00420.78
8.2.30.0000.00720.83
8.2.20.0030.00917.89
8.2.10.0070.00017.96
8.2.00.0030.00317.98
8.1.280.0140.00325.92
8.1.270.0030.00522.02
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0000.00921.03
8.1.230.0040.00719.10
8.1.220.0080.00017.74
8.1.210.0030.00618.77
8.1.200.0040.00417.22
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0040.00418.80
8.1.160.0030.00319.11
8.1.150.0070.00020.53
8.1.140.0040.00419.50
8.1.130.0000.00818.75
8.1.120.0070.00017.41
8.1.110.0040.00417.32
8.1.100.0000.00717.41
8.1.90.0050.00317.29
8.1.80.0070.00017.27
8.1.70.0070.00017.41
8.1.60.0000.00917.57
8.1.50.0000.00917.52
8.1.40.0000.00817.55
8.1.30.0040.00417.56
8.1.20.0020.00517.51
8.1.10.0000.00817.41
8.1.00.0030.00617.41
8.0.300.0000.00720.07
8.0.290.0040.00416.63
8.0.280.0000.00718.27
8.0.270.0070.00017.14
8.0.260.0050.00316.62
8.0.250.0030.00316.78
8.0.240.0030.00716.87
8.0.230.0050.00416.89
8.0.220.0000.00716.86
8.0.210.0050.00216.69
8.0.200.0030.00316.91
8.0.190.0040.00416.86
8.0.180.0070.00016.84
8.0.170.0040.00416.83
8.0.160.0040.00416.82
8.0.150.0000.00716.80
8.0.140.0040.00416.70
8.0.130.0000.00513.17
8.0.120.0040.00416.74
8.0.110.0030.00316.63
8.0.100.0040.00416.68
8.0.90.0000.00716.81
8.0.80.0160.00516.81
8.0.70.0000.00816.86
8.0.60.0040.00416.89
8.0.50.0030.00316.85
8.0.30.0080.01117.16
8.0.20.0090.00917.40
8.0.10.0040.00416.76
8.0.00.0100.00716.84
7.4.330.0000.00615.55
7.4.320.0030.00316.60
7.4.300.0030.00316.41
7.4.290.0030.00316.56
7.4.280.0030.00516.59
7.4.270.0030.00316.39
7.4.260.0000.00716.57
7.4.250.0040.00416.57
7.4.240.0040.00416.61
7.4.230.0030.00316.66
7.4.220.0090.00916.52
7.4.210.0110.00416.70
7.4.200.0040.00416.66
7.4.160.0090.00916.41
7.4.150.0070.01017.40
7.4.140.0110.01217.86
7.4.130.0120.01316.47
7.4.120.0120.00916.55
7.4.110.0190.00616.43
7.4.100.0080.00916.40
7.4.90.0080.01016.49
7.4.80.0100.00719.39
7.4.70.0110.01116.48
7.4.60.0150.00316.47
7.4.50.0070.00716.44
7.4.40.0060.01016.48
7.4.30.0040.01216.46
7.4.00.0000.01514.68
7.3.330.0000.00513.19
7.3.320.0060.00013.09
7.3.310.0000.00716.07
7.3.300.0000.00616.10
7.3.290.0110.01016.21
7.3.280.0100.00716.22
7.3.270.0170.00917.40
7.3.260.0110.00716.21
7.3.250.0100.01016.20
7.3.240.0160.00316.23
7.3.230.0110.00716.15
7.3.210.0070.01016.28
7.3.200.0100.00616.29
7.3.190.0070.01016.42
7.3.180.0130.01316.59
7.3.170.0090.01516.34
7.3.160.0070.01116.59
7.2.330.0040.01816.59
7.2.320.0120.00616.43
7.2.310.0060.00916.48
7.2.300.0100.01016.49
7.2.290.0090.00916.48
7.2.60.0100.00616.69
7.2.00.0070.01119.16
7.1.200.0090.00615.69
7.1.100.0000.01118.19
7.1.70.0470.00817.22
7.1.60.0240.01234.99
7.1.50.0300.01334.91
7.1.40.0350.01034.40
7.1.30.0280.01234.48
7.1.20.0200.02134.38
7.1.10.0090.00616.40
7.1.00.0350.01216.47
7.0.200.0430.01116.66
7.0.190.0090.00916.52
7.0.180.0160.00516.06
7.0.170.0150.00016.18
7.0.160.0140.00316.30
7.0.150.0110.00716.12
7.0.140.0060.01616.28
7.0.130.0310.00716.41
7.0.120.0090.00916.54
7.0.110.0000.01816.14
7.0.100.0100.01416.17
7.0.90.0110.00316.21
7.0.80.0100.01016.30
7.0.70.0060.01215.96
7.0.60.0030.01616.06
7.0.50.0100.01016.19
7.0.40.0070.01316.63
7.0.30.0030.01716.18
7.0.20.0100.01016.21
7.0.10.0030.01716.34
7.0.00.0030.01216.42

preferences:
37.46 ms | 401 KiB | 5 Q