3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace a; $x = 1; \is_null($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)
8.3.70.0070.00716.25
8.3.60.0070.01018.31
8.3.50.0170.00318.07
8.3.40.0120.00820.04
8.3.30.0120.00318.43
8.3.20.0040.00421.77
8.3.10.0040.00920.99
8.3.00.0080.01219.62
8.2.180.0040.01118.33
8.2.170.0150.00622.96
8.2.160.0130.00819.13
8.2.150.0000.00824.18
8.2.140.0100.00422.54
8.2.130.0090.00423.25
8.2.120.0040.00922.52
8.2.110.0070.00420.69
8.2.100.0070.00718.35
8.2.90.0110.00318.14
8.2.80.0090.00418.72
8.2.70.0150.00517.89
8.2.60.0080.00518.22
8.2.50.0050.00818.35
8.2.40.0060.00718.29
8.2.30.0050.00818.34
8.2.20.0090.00518.21
8.2.10.0080.01018.94
8.2.00.0100.00418.83
8.1.280.0090.00925.92
8.1.270.0080.00322.12
8.1.260.0050.00724.07
8.1.250.0060.00225.16
8.1.240.0020.00720.41
8.1.230.0070.00319.65
8.1.220.0030.00518.26
8.1.210.0040.00918.58
8.1.200.0030.00617.78
8.1.190.0070.00717.89
8.1.180.0060.00318.23
8.1.170.0090.00417.96
8.1.160.0030.00720.14
8.1.150.0090.00418.68
8.1.140.0050.00718.58
8.1.130.0080.00519.40
8.1.120.0020.01117.88
8.1.110.0060.00817.99
8.1.100.0080.00517.88
8.1.90.0090.00417.91
8.1.80.0070.00717.92
8.1.70.0060.00617.93
8.1.60.0080.00518.06
8.1.50.0090.00517.85
8.1.40.0030.00518.01
8.1.30.0080.00518.11
8.1.20.0100.00318.20
8.1.10.0100.00318.06
8.1.00.0100.00317.96
8.0.300.0070.00718.25
8.0.290.0140.00317.13
8.0.280.0140.00618.09
8.0.270.0070.00717.79
8.0.260.0110.00518.79
8.0.250.0050.00317.30
8.0.240.0140.00617.33
8.0.230.0080.00417.34
8.0.220.0020.00917.24
8.0.210.0080.00317.26
8.0.200.0060.00217.40
8.0.190.0040.00417.28
8.0.180.0060.00217.29
8.0.170.0130.00317.36
8.0.160.0090.00317.30
8.0.150.0140.00517.12
8.0.140.0120.00817.26
8.0.130.0130.00515.38
8.0.120.0140.00617.20
8.0.110.0050.00817.29
8.0.100.0120.00517.19
8.0.90.0160.00317.27
8.0.80.0040.01217.08
8.0.70.0070.00417.28
8.0.60.0130.00717.30
8.0.50.0130.00517.18
8.0.30.0080.00717.29
8.0.20.0090.01017.59
8.0.10.0150.00517.38
8.0.00.0140.00718.24
7.4.330.0130.00414.67
7.4.320.0140.00816.88
7.4.300.0150.00716.87
7.4.290.0200.00216.89
7.4.280.0170.00716.94
7.4.270.0200.00217.01
7.4.260.0160.00515.29
7.4.250.0160.00616.80
7.4.240.0110.00516.78
7.4.230.0160.00216.93
7.4.220.0110.00316.76
7.4.210.0110.00916.71
7.4.200.0150.00716.86
7.4.190.0220.00517.38
7.4.180.0140.01417.45
7.4.160.0250.01017.43
7.4.150.0230.00817.48
7.4.140.0280.00617.46
7.4.130.0130.01116.76
7.4.120.0160.01016.71
7.4.110.0190.00716.63
7.4.100.0180.00916.91
7.4.90.0190.00316.72
7.4.80.0190.00518.43
7.4.70.0190.00816.68
7.4.60.0180.00716.84
7.4.50.0180.00916.69
7.4.40.0170.01216.73
7.4.30.0160.01016.90
7.4.20.0200.01116.85
7.4.10.0170.00916.80
7.4.00.0160.01116.89
7.3.330.0120.01016.58
7.3.320.0190.00114.98
7.3.310.0200.00216.67
7.3.300.0140.00516.86
7.3.290.0110.00816.38
7.3.280.0130.01316.59
7.3.270.0340.00017.03
7.3.260.0170.00916.69
7.3.250.0250.00417.18
7.3.240.0150.00416.41
7.3.230.0230.00716.56
7.3.220.0300.00717.11
7.3.210.0170.01016.50
7.3.200.0130.00716.50
7.3.190.0140.00716.62
7.3.180.0160.00616.63
7.3.170.0070.00916.75
7.3.160.0130.01116.49
7.3.150.0110.01016.60
7.3.140.0060.01416.57
7.3.130.0090.00816.64
7.3.120.0140.00216.43
7.3.110.0090.00816.43
7.3.100.0100.00616.52
7.3.90.0160.01016.63
7.3.80.0100.00816.69
7.3.70.0110.01116.65
7.3.60.0130.00716.60
7.3.50.0100.00816.61
7.3.40.0130.00316.62
7.3.30.0090.00716.59
7.3.20.0100.00816.64
7.3.10.0080.00916.46
7.3.00.0150.00216.56
7.2.340.0150.00217.05
7.2.330.0140.00416.87
7.2.320.0080.00916.78
7.2.310.0140.00416.97
7.2.300.0160.00316.95
7.2.290.0230.01216.78
7.2.280.0190.00316.84
7.2.270.0200.01016.82
7.2.260.0210.00516.84
7.2.250.0220.00516.63
7.2.240.0200.00616.64
7.2.230.0260.01316.83
7.2.220.0160.01116.78
7.2.210.0210.00716.87
7.2.200.0200.00916.75
7.2.190.0190.00816.74
7.2.180.0200.00716.81
7.2.170.0200.00516.91
7.2.160.0240.00216.96
7.2.150.0230.00416.92
7.2.140.0170.01116.87
7.2.130.0310.01816.89
7.2.120.0150.01116.90
7.2.110.0230.00616.93
7.2.100.0170.00617.01
7.2.90.0150.01317.05
7.2.80.0190.00916.83
7.2.70.0160.01016.95
7.2.60.0290.00616.80
7.2.50.0200.00916.92
7.2.40.0180.01216.95
7.2.30.0180.01016.96
7.2.20.0240.00417.12
7.2.10.0370.00917.12
7.2.00.0180.01116.84

preferences:
46.57 ms | 401 KiB | 5 Q