3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = " "; var_dump(empty(trim($s)));

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)
8.3.40.0080.00618.84
8.3.30.0110.00419.08
8.3.20.0080.00020.09
8.3.10.0040.00423.64
8.3.00.0040.00417.77
8.2.170.0000.01422.96
8.2.160.0100.00320.58
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00021.16
8.2.110.0000.01022.26
8.2.100.0040.00817.78
8.2.90.0080.00019.16
8.2.80.0030.00517.97
8.2.70.0050.00317.63
8.2.60.0000.00917.93
8.2.50.0080.00018.07
8.2.40.0030.00718.16
8.2.30.0030.00618.25
8.2.20.0040.00417.56
8.2.10.0000.00717.96
8.2.00.0020.00517.68
8.1.270.0000.00923.92
8.1.260.0060.00326.35
8.1.250.0000.00728.09
8.1.240.0090.01323.93
8.1.230.0050.00523.85
8.1.220.0000.00717.74
8.1.210.0000.00818.77
8.1.200.0000.00817.35
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0060.00318.70
8.1.160.0040.00422.02
8.1.150.0040.00418.88
8.1.140.0040.00417.49
8.1.130.0030.00317.73
8.1.120.0070.00017.42
8.1.110.0040.00417.51
8.1.100.0070.00017.34
8.1.90.0070.00017.49
8.1.80.0000.00817.43
8.1.70.0030.00317.41
8.1.60.0040.00417.53
8.1.50.0000.00817.52
8.1.40.0000.00717.52
8.1.30.0090.00017.58
8.1.20.0040.00417.66
8.1.10.0040.00417.45
8.1.00.0040.00417.39
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0000.00818.43
8.0.270.0070.00017.16
8.0.260.0030.00317.36
8.0.250.0000.00816.91
8.0.240.0070.00316.85
8.0.230.0050.00216.89
8.0.220.0060.00016.85
8.0.210.0000.00716.88
8.0.200.0080.00016.94
8.0.190.0030.00616.96
8.0.180.0040.00416.81
8.0.170.0040.00416.80
8.0.160.0070.00016.77
8.0.150.0070.00016.77
8.0.140.0070.00316.80
8.0.130.0000.00613.28
8.0.120.0080.00016.86
8.0.110.0000.00716.87
8.0.100.0020.00516.95
8.0.90.0070.00016.77
8.0.80.0150.00016.93
8.0.70.0040.00416.90
8.0.60.0040.00416.88
8.0.50.0050.00216.87
8.0.30.0130.00816.95
8.0.20.0080.01117.40
8.0.10.0030.00517.04
8.0.00.0090.00816.58
7.4.330.0030.00315.00
7.4.320.0030.00316.48
7.4.300.0030.00316.36
7.4.290.0000.00716.62
7.4.280.0090.00016.64
7.4.270.0070.00016.55
7.4.260.0040.00416.38
7.4.250.0000.00716.36
7.4.240.0060.00116.48
7.4.230.0000.00716.41
7.4.220.0100.01316.30
7.4.210.0090.00616.64
7.4.200.0030.00316.57
7.4.160.0090.01216.48
7.4.150.0100.00717.40
7.4.140.0110.00617.86
7.4.130.0080.00916.55
7.4.120.0080.00916.51
7.4.110.0070.01016.33
7.4.100.0060.01016.29
7.4.90.0060.01016.25
7.4.80.0130.00819.39
7.4.70.0130.00316.49
7.4.60.0070.01116.53
7.4.50.0000.00716.47
7.4.40.0060.01216.63
7.4.30.0080.00816.44
7.4.00.0160.00014.84
7.3.330.0000.00513.03
7.3.320.0020.00212.88
7.3.310.0030.00316.09
7.3.300.0000.00616.00
7.3.290.0140.00016.19
7.3.280.0050.01016.17
7.3.270.0120.00617.40
7.3.260.0140.00316.37
7.3.250.0070.01016.28
7.3.240.0040.01816.48
7.3.230.0140.00916.39
7.3.210.0060.01416.41
7.3.200.0060.01019.39
7.3.190.0060.01516.15
7.3.180.0060.00916.33
7.3.170.0090.00916.27
7.3.160.0060.00916.50
7.3.120.0080.00814.67
7.2.330.0160.00316.50
7.2.320.0040.01416.58
7.2.310.0110.01116.67
7.2.300.0030.01316.32
7.2.290.0120.00916.51
7.2.110.0190.00416.51
7.1.70.0040.00416.91
7.1.60.0160.00919.70
7.1.50.0060.01516.42
7.1.00.0000.09722.48
7.0.200.0660.00614.69
7.0.140.0030.07322.09
7.0.60.0130.08020.03
7.0.50.0000.05317.66
7.0.40.0070.05320.39
7.0.30.0130.06020.21
7.0.20.0270.05320.00
7.0.10.0030.05720.00
7.0.00.0070.04720.12
5.6.280.0030.07320.92
5.6.210.0030.07320.70
5.6.200.0070.08718.22
5.6.190.0100.04720.61
5.6.180.3900.04020.43
5.6.170.0270.08020.38
5.6.160.0100.06720.49
5.6.150.0030.07718.17
5.6.140.0070.05018.08
5.6.130.0100.08018.07
5.6.120.0070.04021.04
5.6.110.0070.04721.10
5.6.100.0030.08021.03
5.6.90.0170.07721.05
5.6.80.0070.05320.46
5.6.70.4630.03720.36
5.5.350.0000.08720.39
5.5.340.0100.05017.93
5.5.330.0030.06320.21
5.5.320.0400.07720.29
5.5.310.0170.04720.29
5.5.300.0100.07017.92
5.5.290.0130.03017.96
5.5.280.0070.06320.64
5.5.270.0070.08320.86
5.5.260.0070.08320.63
5.5.250.0070.08720.57
5.5.240.0030.03020.15
5.4.450.0830.05719.58
5.4.440.0170.06019.13
5.4.430.0100.06019.10
5.4.420.0230.05319.47
5.4.410.0030.06018.72
5.4.400.0370.06718.49
5.4.390.0300.05318.60
5.4.380.0070.06318.72
5.4.370.0270.03318.50
5.4.360.0170.04718.50
5.4.350.0080.04511.98
5.4.340.0050.03911.98
5.4.320.0060.04112.46
5.4.310.0040.04112.46
5.4.300.0060.03712.47
5.4.290.0030.04212.46
5.4.280.0030.03912.36
5.4.270.0050.03812.36
5.4.260.0100.03612.36
5.4.250.0050.04212.36
5.4.240.0060.03712.36
5.4.230.0060.04112.35
5.4.220.0100.04112.35
5.4.210.0120.04412.35
5.4.200.0100.03912.35
5.4.190.0100.03212.34
5.4.180.0070.04112.34
5.4.170.0070.04312.36
5.4.160.0100.04512.35
5.4.150.0070.04412.35
5.4.140.0110.04912.03
5.4.130.0060.04312.02
5.4.120.0090.05011.98
5.4.110.0060.04411.97
5.4.100.0100.03711.97
5.4.90.0070.04011.97
5.4.80.0110.03711.97
5.4.70.0050.03611.97
5.4.60.0070.04111.97
5.4.50.0080.05311.97
5.4.40.0110.04411.96
5.4.30.0080.04711.96
5.4.20.0070.04911.96
5.4.10.0050.03611.96
5.4.00.0090.03311.45
5.3.290.0070.04012.80
5.3.280.0080.03712.71
5.3.270.0040.04212.72
5.3.260.0060.03912.72
5.3.250.0080.03512.72
5.3.240.0130.03712.72
5.3.230.0030.04012.70
5.3.220.0050.03912.68
5.3.210.0070.04012.68
5.3.200.0100.03512.68
5.3.190.0070.04512.68
5.3.180.0060.03812.67
5.3.170.0080.03612.67
5.3.160.0090.04512.67
5.3.150.0140.04512.68
5.3.140.0140.04712.66
5.3.130.0160.05612.66
5.3.120.0110.04112.66
5.3.110.0100.05012.66
5.3.100.0130.03812.12
5.3.90.0070.05112.08
5.3.80.0040.04012.07
5.3.70.0050.04312.08
5.3.60.0080.03612.06
5.3.50.0060.03712.00
5.3.40.0050.03712.00
5.3.30.0050.03611.94
5.3.20.0070.03311.72
5.3.10.0100.03011.69
5.3.00.0060.03511.68
5.2.170.0070.0289.18
5.2.160.0050.0299.18
5.2.150.0070.0299.18
5.2.140.0050.0319.17
5.2.130.0040.0309.14
5.2.120.0070.0279.13
5.2.110.0050.0299.14
5.2.100.0050.0289.14
5.2.90.0040.0319.14
5.2.80.0040.0319.14
5.2.70.0030.0329.14
5.2.60.0080.0279.09
5.2.50.0080.0279.06
5.2.40.0050.0309.04
5.2.30.0030.0329.01
5.2.20.0050.0289.00
5.2.10.0050.0298.92
5.2.00.0080.0258.77
5.1.60.0030.0268.06
5.1.50.0050.0248.05
5.1.40.0060.0238.05
5.1.30.0070.0248.39
5.1.20.0060.0258.42
5.1.10.0040.0278.14
5.1.00.0040.0268.14
5.0.50.0050.0206.62
5.0.40.0050.0196.48
5.0.30.0050.0306.29
5.0.20.0020.0226.26
5.0.10.0030.0216.24
5.0.00.0070.0276.23
4.4.90.0040.0154.78
4.4.80.0030.0154.76
4.4.70.0040.0144.75
4.4.60.0060.0154.75
4.4.50.0050.0144.77
4.4.40.0020.0274.71
4.4.30.0050.0184.76
4.4.20.0040.0154.85
4.4.10.0030.0164.84
4.4.00.0040.0244.76
4.3.110.0020.0164.67
4.3.100.0030.0154.67
4.3.90.0050.0134.64
4.3.80.0040.0244.58
4.3.70.0010.0164.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0020.0254.54
4.3.30.0020.0163.29
4.3.20.0020.0163.27
4.3.10.0020.0153.21
4.3.00.0130.0237.11

preferences:
40.64 ms | 400 KiB | 5 Q