3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = null; $x++; var_dump($x); $x--; var_dump($x); $x = null; $x--; var_dump($x);

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)
8.3.60.0090.00916.88
8.3.50.0090.00917.96
8.3.40.0090.01219.04
8.3.30.0070.00718.72
8.3.20.0070.00024.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.180.0060.00925.92
8.2.170.0070.00718.79
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00426.16
8.2.110.0060.00319.37
8.2.100.0090.00317.59
8.2.90.0000.00819.17
8.2.80.0000.00917.97
8.2.70.0000.00817.38
8.2.60.0060.00317.88
8.2.50.0000.00918.05
8.2.40.0040.00418.34
8.2.30.0040.00418.07
8.2.20.0040.00418.03
8.2.10.0040.00419.22
8.2.00.0040.00419.21
8.1.280.0030.01325.92
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00320.86
8.1.230.0070.00319.61
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0120.00017.11
8.1.190.0030.00517.23
8.1.180.0030.00518.10
8.1.170.0030.00618.57
8.1.160.0040.00418.73
8.1.150.0040.00418.68
8.1.140.0050.00218.75
8.1.130.0030.00320.06
8.1.120.0000.00817.37
8.1.110.0050.00217.39
8.1.100.0030.00717.27
8.1.90.0040.00417.35
8.1.80.0070.00317.32
8.1.70.0000.00717.40
8.1.60.0070.00017.40
8.1.50.0060.00317.32
8.1.40.0050.00317.39
8.1.30.0040.00417.50
8.1.20.0000.00917.61
8.1.10.0040.00417.34
8.1.00.0070.00017.25
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0000.00918.63
8.0.270.0000.00717.92
8.0.260.0070.00018.59
8.0.250.0000.00616.79
8.0.240.0040.00416.86
8.0.230.0050.00216.77
8.0.220.0030.00316.79
8.0.210.0030.00316.83
8.0.200.0000.00716.88
8.0.190.0000.00716.86
8.0.180.0000.00716.75
8.0.170.0040.00416.84
8.0.160.0100.00016.83
8.0.150.0040.00416.84
8.0.140.0040.00416.82
8.0.130.0030.00313.19
8.0.120.0030.00616.76
8.0.110.0020.00516.76
8.0.100.0040.00416.88
8.0.90.0040.00416.75
8.0.80.0080.00816.80
8.0.70.0070.01116.82
8.0.60.0150.00316.74
8.0.50.0070.01016.70
8.0.30.0100.00616.73
8.0.20.0070.01016.83
8.0.10.0130.00916.92
8.0.00.0110.01116.87
7.4.330.0040.00015.55
7.4.320.0030.00316.45
7.4.300.0030.00316.33
7.4.290.0000.00816.49
7.4.280.0000.00816.43
7.4.270.0000.00716.57
7.4.260.0000.00513.21
7.4.250.0030.00316.36
7.4.240.0030.00316.51
7.4.230.0050.00216.23
7.4.220.0000.00716.45
7.4.210.0100.00316.46
7.4.200.0090.00916.55
7.4.190.0030.01516.66
7.4.180.0110.00716.55
7.4.160.0100.00616.63
7.4.150.0140.00316.41
7.4.140.0060.01116.29
7.4.130.0000.01716.29
7.4.120.0080.00816.43
7.4.110.0040.01816.43
7.4.100.0100.00716.55
7.4.90.0100.01016.46
7.4.80.0170.00016.30
7.4.70.0090.01316.46
7.4.60.0030.01216.45
7.4.50.0040.01116.35
7.4.40.0070.00716.21
7.4.30.0070.01316.20
7.4.20.0080.00816.34
7.4.10.0120.00316.30
7.4.00.0070.01416.42
7.3.330.0030.00316.18
7.3.320.0050.00013.07
7.3.310.0000.00716.20
7.3.300.0030.00316.23
7.3.290.0030.01116.17
7.3.280.0090.00516.30
7.3.270.0100.01016.23
7.3.260.0110.00316.24
7.3.250.0040.01216.17
7.3.240.0030.01616.19
7.3.230.0000.01516.24
7.3.220.0070.01016.13
7.3.210.0100.00316.10
7.3.200.0130.00616.07
7.3.190.0150.00016.13
7.3.180.0090.00616.17
7.3.170.0090.00616.12
7.3.160.0070.00716.13
7.3.150.0030.01016.13
7.3.140.0070.00716.12
7.3.130.0030.01016.08
7.3.120.0070.00716.08
7.3.110.0140.00016.05
7.3.100.0000.01416.03
7.3.90.0060.00916.34
7.3.80.0000.01516.09
7.3.70.0110.00416.36
7.3.60.0060.00916.41
7.3.50.0140.00016.20
7.3.40.0110.00316.29
7.3.30.0030.01016.30
7.3.20.0060.00916.32
7.3.10.0070.00716.26
7.3.00.0040.01116.24

preferences:
33.93 ms | 400 KiB | 5 Q