3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = null; echo empty($i);

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)
8.3.60.0080.01116.38
8.3.50.0070.00716.21
8.3.40.0110.00318.88
8.3.30.0090.00618.65
8.3.20.0070.00020.09
8.3.10.0040.00421.77
8.3.00.0040.00419.38
8.2.180.0120.00316.50
8.2.170.0070.00722.96
8.2.160.0100.00320.53
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0050.00221.02
8.2.120.0070.00026.35
8.2.110.0070.00319.29
8.2.100.0040.00718.09
8.2.90.0040.00419.23
8.2.80.0030.00517.97
8.2.70.0000.00817.50
8.2.60.0000.00917.79
8.2.50.0050.00318.10
8.2.40.0070.00020.64
8.2.30.0070.00020.88
8.2.20.0040.00418.05
8.2.10.0030.00617.98
8.2.00.0070.00018.04
8.1.280.0040.01125.92
8.1.270.0040.00421.87
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00021.42
8.1.230.0080.00417.42
8.1.220.0030.00617.74
8.1.210.0030.00618.77
8.1.200.0040.00417.23
8.1.190.0050.00517.23
8.1.180.0000.00818.10
8.1.170.0090.00018.46
8.1.160.0040.00418.99
8.1.150.0080.00020.59
8.1.140.0070.00019.38
8.1.130.0030.00318.80
8.1.120.0030.00317.42
8.1.110.0060.00317.37
8.1.100.0050.00317.29
8.1.90.0050.00517.36
8.1.80.0030.00517.34
8.1.70.0000.00717.45
8.1.60.0050.00317.52
8.1.50.0040.00417.50
8.1.40.0070.00017.48
8.1.30.0040.00417.50
8.1.20.0030.00617.48
8.1.10.0040.00417.50
8.1.00.0000.00817.29
8.0.300.0030.00618.77
8.0.290.0000.00716.63
8.0.280.0000.00818.39
8.0.270.0040.00417.30
8.0.260.0000.00716.81
8.0.250.0030.00316.91
8.0.240.0070.00016.96
8.0.230.0040.00416.78
8.0.220.0000.00816.70
8.0.210.0070.00016.75
8.0.200.0000.00816.77
8.0.190.0040.00716.88
8.0.180.0000.00816.90
8.0.170.0000.00716.85
8.0.160.0070.00016.91
8.0.150.0030.00316.75
8.0.140.0030.00616.68
8.0.130.0050.00013.24
8.0.120.0000.00716.68
8.0.110.0040.00416.88
8.0.100.0040.00416.80
8.0.90.0040.00416.73
8.0.80.0090.01216.85
8.0.70.0040.00416.65
8.0.60.0040.00416.76
8.0.50.0000.00716.63
8.0.30.0110.00916.89
8.0.20.0070.01117.40
8.0.10.0000.00717.00
8.0.00.0080.00916.76
7.4.330.0020.00215.55
7.4.320.0030.00316.54
7.4.300.0040.00416.53
7.4.290.0110.00016.33
7.4.280.0040.00416.39
7.4.270.0030.00316.34
7.4.260.0000.00513.26
7.4.250.0080.00016.48
7.4.240.0030.00316.40
7.4.230.0000.00716.64
7.4.220.0130.01216.63
7.4.210.0060.00916.55
7.4.200.0030.00316.42
7.4.160.0090.01016.28
7.4.150.0120.00417.40
7.4.140.0110.00617.86
7.4.130.0100.00716.22
7.4.120.0130.00816.36
7.4.110.0070.01316.48
7.4.100.0070.01016.43
7.4.90.0090.00916.57
7.4.80.0100.00719.39
7.4.70.0110.00416.43
7.4.60.0100.00716.46
7.4.50.0130.00016.53
7.4.40.0030.01316.57
7.4.30.0060.01016.51
7.4.00.0110.00414.93
7.3.330.0000.00612.98
7.3.320.0000.00612.98
7.3.310.0080.00016.20
7.3.300.0000.00716.12
7.3.290.0040.00416.11
7.3.280.0100.00816.12
7.3.270.0100.00617.40
7.3.260.0090.01116.50
7.3.250.0120.00716.24
7.3.240.0150.00516.33
7.3.230.0080.00816.45
7.3.210.0000.01616.49
7.3.200.0090.00916.28
7.3.190.0060.00916.34
7.3.180.0090.00616.33
7.3.170.0100.00716.04
7.3.160.0090.00616.25
7.3.10.0140.00516.57
7.3.00.0080.00816.57
7.2.330.0180.00616.65
7.2.320.0090.00616.34
7.2.310.0110.00516.57
7.2.300.0000.01616.54
7.2.290.0140.00516.34
7.2.130.0060.00616.75
7.2.120.0060.01216.88
7.2.110.0040.00816.75
7.2.100.0090.00916.59
7.2.90.0030.00916.82
7.2.80.0000.01416.57
7.2.70.0060.00316.60
7.2.60.0070.00716.84
7.2.50.0060.00916.82
7.2.40.0100.00316.75
7.2.30.0000.01016.45
7.2.20.0070.00717.01
7.2.10.0080.00416.84
7.2.00.0060.00817.97
7.1.250.0080.00415.41
7.1.200.0030.01015.48
7.1.100.0040.00818.04
7.1.70.0080.00416.93
7.1.60.0150.00934.83
7.1.50.0100.01634.33
7.1.40.0180.00734.39
7.1.30.0110.01534.50
7.1.20.0230.01334.54
7.1.10.0080.00816.21
7.1.00.0040.00816.52
7.0.200.0080.00416.43
7.0.190.0060.00616.45
7.0.180.0040.00816.02
7.0.170.0060.01116.09
7.0.160.0060.00616.00
7.0.150.0030.00916.13
7.0.140.0090.00316.07
7.0.130.0080.00316.63
7.0.120.0030.01116.63
7.0.110.0030.00916.33
7.0.100.0100.00416.11
7.0.90.0070.00715.91
7.0.80.0060.00616.13
7.0.70.0060.00816.20
7.0.60.0090.00315.95
7.0.50.0080.00416.13
7.0.40.0000.01216.28
7.0.30.0060.00616.44
7.0.20.0090.00316.30
7.0.10.0060.00616.30
7.0.00.0060.00616.45

preferences:
43.61 ms | 401 KiB | 5 Q