3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = null; $var[] = null; // print_r($var); print_r(is_null($var));

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)
8.3.70.0120.00618.27
8.3.60.0150.00018.27
8.3.50.0100.00916.54
8.3.40.0090.00618.53
8.3.30.0030.01018.42
8.3.20.0040.00420.22
8.3.10.0080.00023.43
8.3.00.0040.00719.68
8.2.190.0140.00416.58
8.2.180.0150.00618.29
8.2.170.0070.00722.96
8.2.160.0110.00619.13
8.2.150.0130.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00419.26
8.2.120.0050.00226.35
8.2.110.0030.00722.09
8.2.100.0040.00717.72
8.2.90.0000.00818.99
8.2.80.0050.00318.04
8.2.70.0040.00417.50
8.2.60.0000.00818.00
8.2.50.0000.00819.66
8.2.40.0060.00320.47
8.2.30.0040.00420.96
8.2.20.0070.00018.09
8.2.10.0040.00417.92
8.2.00.0040.00317.85
8.1.280.0180.00025.92
8.1.270.0040.00423.84
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0060.00323.92
8.1.230.0110.00022.18
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.11
8.1.190.0030.00617.13
8.1.180.0080.00018.10
8.1.170.0000.00818.65
8.1.160.0040.00418.95
8.1.150.0070.00020.66
8.1.140.0000.00719.52
8.1.130.0030.00318.81
8.1.120.0000.00717.38
8.1.110.0000.00817.35
8.1.100.0050.00217.33
8.1.90.0000.00717.31
8.1.80.0070.00017.28
8.1.70.0040.00417.41
8.1.60.0000.00817.42
8.1.50.0040.00417.43
8.1.40.0080.00417.47
8.1.30.0020.00517.59
8.1.20.0000.00817.46
8.1.10.0000.00817.35
8.1.00.0000.00717.23
8.0.300.0050.00218.77
8.0.290.0000.00716.63
8.0.280.0000.00718.29
8.0.270.0000.00717.23
8.0.260.0030.00316.64
8.0.250.0000.00716.75
8.0.240.0040.00416.89
8.0.230.0000.00716.86
8.0.220.0000.00716.80
8.0.210.0030.00316.66
8.0.200.0000.00616.78
8.0.190.0060.00316.87
8.0.180.0040.00416.67
8.0.170.0000.00716.84
8.0.160.0030.00316.94
8.0.150.0030.00316.75
8.0.140.0070.00016.74
8.0.130.0000.00613.24
8.0.120.0030.00516.69
8.0.110.0000.00716.63
8.0.100.0000.00716.63
8.0.90.0000.00716.80
8.0.80.0060.01316.72
8.0.70.0000.00716.88
8.0.60.0000.00816.83
8.0.50.0040.00416.76
8.0.30.0090.01016.97
8.0.20.0090.01017.40
8.0.10.0040.00416.91
8.0.00.0150.00716.58
7.4.330.0050.00015.55
7.4.320.0000.00616.53
7.4.300.0000.00616.41
7.4.290.0000.01116.47
7.4.280.0030.00316.32
7.4.270.0000.00716.38
7.4.260.0030.00316.41
7.4.250.0080.00016.47
7.4.240.0040.00416.44
7.4.230.0030.00316.61
7.4.220.0150.00316.63
7.4.210.0110.00716.48
7.4.200.0030.00316.57
7.4.160.0140.00516.30
7.4.150.0100.01417.40
7.4.140.0050.01317.86
7.4.130.0070.01716.35
7.4.120.0150.00416.40
7.4.110.0160.00016.42
7.4.100.0130.00716.28
7.4.90.0110.00716.25
7.4.80.0160.00819.39
7.4.70.0100.00716.60
7.4.60.0060.01016.38
7.4.50.0070.00716.26
7.4.40.0100.00716.39
7.4.30.0120.00616.27
7.4.00.0100.00315.03
7.3.330.0000.00513.10
7.3.320.0000.00613.10
7.3.310.0000.00716.27
7.3.300.0060.00016.19
7.3.290.0030.01116.21
7.3.280.0090.00616.21
7.3.270.0120.01317.40
7.3.260.0080.00916.23
7.3.250.0040.01416.37
7.3.240.0090.00816.21
7.3.230.0110.01116.15
7.3.210.0100.00616.58
7.3.200.0000.02016.10
7.3.190.0100.00616.21
7.3.180.0150.00216.48
7.3.170.0050.01016.28
7.3.160.0080.00816.28
7.2.330.0130.01016.51
7.2.320.0110.01116.55
7.2.310.0120.00416.71
7.2.300.0040.01216.36
7.2.290.0070.01016.50
7.2.60.0030.00717.02
7.2.00.0030.01519.37
7.1.200.0230.01015.42
7.1.100.0040.00718.03
7.1.70.0130.00717.03
7.1.60.0280.01534.93
7.1.50.0280.01234.43
7.1.40.0360.01234.48
7.1.30.0280.01234.27
7.1.20.0220.01234.50
7.1.10.0140.00716.69
7.1.00.0050.01616.44
7.0.200.0050.01416.81
7.0.190.0090.01016.64
7.0.180.0130.00916.14
7.0.170.0070.01416.27
7.0.160.0080.01415.99
7.0.150.0090.01216.13
7.0.140.0100.01216.34
7.0.130.0130.01016.41
7.0.120.0040.01716.23
7.0.110.0040.01616.29
7.0.100.0030.01716.03
7.0.90.0080.01216.26
7.0.80.0080.01216.15
7.0.70.0110.00516.24
7.0.60.0080.01215.95
7.0.50.0100.01016.19
7.0.40.0140.00916.36
7.0.30.0140.00816.44
7.0.20.0030.01516.25
7.0.10.0000.01916.23
7.0.00.0080.01116.36

preferences:
47.77 ms | 401 KiB | 5 Q