3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = NULL; print $a;

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)
8.3.60.0110.00717.97
8.3.50.0120.00616.14
8.3.40.0110.00318.70
8.3.30.0000.01418.50
8.3.20.0040.00420.07
8.3.10.0040.00421.80
8.3.00.0080.00020.88
8.2.180.0110.00718.42
8.2.170.0120.00322.96
8.2.160.0030.01022.30
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00320.43
8.2.120.0000.00726.35
8.2.110.0090.00020.45
8.2.100.0070.00417.91
8.2.90.0000.00819.04
8.2.80.0000.00817.97
8.2.70.0030.00617.49
8.2.60.0070.00018.05
8.2.50.0020.00518.10
8.2.40.0050.00222.34
8.2.30.0000.00820.92
8.2.20.0040.00418.16
8.2.10.0030.00617.96
8.2.00.0000.00817.92
8.1.280.0100.01025.92
8.1.270.0030.00523.84
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00020.82
8.1.230.0080.00319.01
8.1.220.0030.00517.78
8.1.210.0030.00518.77
8.1.200.0000.01017.23
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0080.00018.48
8.1.160.0040.00419.00
8.1.150.0040.00418.73
8.1.140.0070.00019.60
8.1.130.0050.00318.80
8.1.120.0050.00317.38
8.1.110.0000.00817.29
8.1.100.0070.00017.41
8.1.90.0000.01017.38
8.1.80.0070.00017.29
8.1.70.0050.00217.40
8.1.60.0050.00217.47
8.1.50.0080.00017.34
8.1.40.0050.00317.43
8.1.30.0040.00417.51
8.1.20.0000.00817.58
8.1.10.0000.00817.48
8.1.00.0030.00517.43
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0050.00218.49
8.0.270.0000.00817.16
8.0.260.0000.00616.80
8.0.250.0060.00016.95
8.0.240.0080.00016.89
8.0.230.0040.00416.89
8.0.220.0060.00016.74
8.0.210.0000.00716.82
8.0.200.0070.00016.79
8.0.190.0040.00416.91
8.0.180.0000.00816.83
8.0.170.0000.00716.81
8.0.160.0040.00416.87
8.0.150.0000.00716.74
8.0.140.0070.00016.84
8.0.130.0030.00313.33
8.0.120.0050.00216.69
8.0.110.0000.00816.66
8.0.100.0040.00416.68
8.0.90.0040.00416.81
8.0.80.0060.00916.86
8.0.70.0000.00716.64
8.0.60.0070.00016.81
8.0.50.0000.00716.78
8.0.30.0100.00917.02
8.0.20.0090.01117.40
8.0.10.0000.00716.93
8.0.00.0060.01116.66
7.4.330.0000.00515.55
7.4.320.0030.00316.42
7.4.300.0030.00316.42
7.4.290.0030.00616.52
7.4.280.0000.00816.56
7.4.270.0030.00316.48
7.4.260.0040.00413.25
7.4.250.0030.00316.35
7.4.240.0070.00016.35
7.4.230.0000.00716.64
7.4.220.0030.01616.59
7.4.210.0100.00616.31
7.4.200.0000.00716.33
7.4.160.0140.00316.43
7.4.150.0170.00317.40
7.4.140.0080.01217.86
7.4.130.0100.00716.30
7.4.120.0070.01216.47
7.4.110.0120.00416.58
7.4.100.0110.00716.47
7.4.90.0090.00916.38
7.4.80.0100.00719.39
7.4.70.0040.01216.23
7.4.60.0160.00016.42
7.4.50.0030.01316.29
7.4.40.0140.00716.45
7.4.30.0080.00816.54
7.4.00.0160.00014.52
7.3.330.0030.00313.02
7.3.320.0060.00013.17
7.3.310.0030.00316.18
7.3.300.0030.00316.15
7.3.290.0080.00716.16
7.3.280.0080.00916.20
7.3.270.0130.00617.40
7.3.260.0110.00916.21
7.3.250.0080.00916.45
7.3.240.0140.00516.31
7.3.230.0100.00716.14
7.3.210.0030.01316.20
7.3.200.0090.01116.56
7.3.190.0100.00716.14
7.3.180.0150.00016.50
7.3.170.0070.01016.20
7.3.160.0140.00716.31
7.2.330.0090.00916.43
7.2.320.0080.00916.56
7.2.310.0140.00316.54
7.2.300.0070.01316.19
7.2.290.0070.01016.29
7.2.60.0060.00316.69
7.2.00.0110.01119.13
7.1.200.0120.00015.43
7.1.100.0030.00718.03
7.1.70.0070.01016.97
7.1.60.0570.00733.13
7.1.50.0230.01032.93
7.1.40.0400.01732.50
7.1.30.0270.01032.65
7.1.20.0630.01032.70
7.1.10.0570.00714.53
7.1.00.0430.01714.76
7.0.200.0230.01314.58
7.0.190.0330.00314.61
7.0.180.0300.01014.28
7.0.170.0370.01314.35
7.0.160.0530.01314.48
7.0.150.0400.01314.53
7.0.140.0370.01014.52
7.0.130.0530.01014.61
7.0.120.0600.01014.81
7.0.110.0530.01014.54
7.0.100.0470.01314.30
7.0.90.0300.01314.35
7.0.80.0430.01714.43
7.0.70.0700.00714.45
7.0.60.0330.01314.18
7.0.50.0330.00714.53
7.0.40.0330.01014.69
7.0.30.0300.01014.75
7.0.20.0330.00714.53
7.0.10.0370.00714.51
7.0.00.0930.01014.52

preferences:
41.31 ms | 401 KiB | 5 Q