3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num = ' '; $num = trim($num); if (!empty($num)) { echo 'true'; } else { echo 'false'; }

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)
8.3.40.0070.00718.59
8.3.30.0120.00319.08
8.3.20.0000.00820.21
8.3.10.0040.00423.63
8.3.00.0040.00419.14
8.2.170.0070.00722.96
8.2.160.0140.00320.35
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0000.00820.78
8.2.110.0090.00019.45
8.2.100.0060.00617.84
8.2.90.0000.00819.10
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0040.00417.93
8.2.50.0090.00018.07
8.2.40.0050.00321.25
8.2.30.0070.00018.30
8.2.20.0040.00417.68
8.2.10.0000.00717.99
8.2.00.0000.00817.71
8.1.270.0040.00421.84
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0060.00321.43
8.1.230.0040.00717.42
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0050.00317.22
8.1.180.0040.00418.10
8.1.170.0030.00618.45
8.1.160.0000.00722.05
8.1.150.0040.00418.63
8.1.140.0050.00317.36
8.1.130.0070.00017.86
8.1.120.0040.00417.36
8.1.110.0040.00417.46
8.1.100.0040.00417.49
8.1.90.0070.00417.47
8.1.80.0040.00417.41
8.1.70.0030.00317.34
8.1.60.0000.00817.57
8.1.50.0060.00317.49
8.1.40.0040.00417.48
8.1.30.0000.00717.51
8.1.20.0050.00317.57
8.1.10.0040.00417.48
8.1.00.0000.00717.45
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0000.00718.48
8.0.270.0030.00317.33
8.0.260.0060.00017.25
8.0.250.0030.00316.97
8.0.240.0070.00016.93
8.0.230.0070.00016.84
8.0.220.0070.00016.90
8.0.210.0000.00716.93
8.0.200.0030.00316.96
8.0.190.0000.00816.92
8.0.180.0040.00416.81
8.0.170.0000.00816.95
8.0.160.0000.00716.83
8.0.150.0050.00316.76
8.0.140.0040.00416.81
8.0.130.0060.00313.32
8.0.120.0040.00416.76
8.0.110.0040.00416.87
8.0.100.0040.00416.76
8.0.90.0040.00417.00
8.0.80.0110.01116.94
8.0.70.0000.00816.82
8.0.60.0030.00516.87
8.0.50.0040.00416.86
8.0.30.0110.00817.12
8.0.20.0100.01217.40
8.0.10.0040.00417.05
8.0.00.0160.00516.84
7.4.330.0040.00015.00
7.4.320.0000.00716.44
7.4.300.0060.00016.49
7.4.290.0040.00416.44
7.4.280.0070.00016.35
7.4.270.0030.00316.59
7.4.260.0040.00416.45
7.4.250.0030.00316.30
7.4.240.0020.00516.40
7.4.230.0050.00216.34
7.4.220.0090.00916.56
7.4.210.0060.01016.53
7.4.200.0050.00216.56
7.4.190.0070.00016.66
7.4.160.0090.00616.33
7.4.150.0100.00717.40
7.4.140.0070.01017.86
7.4.130.0100.00716.46
7.4.120.0070.01016.46
7.4.110.0150.00416.38
7.4.100.0080.00816.55
7.4.90.0070.01016.63
7.4.80.0060.01219.39
7.4.70.0030.01416.50
7.4.60.0060.00916.36
7.4.50.0000.01016.23
7.4.40.0070.01016.46
7.4.30.0130.00316.50
7.4.00.0030.01014.60
7.3.330.0000.00512.91
7.3.320.0000.00512.85
7.3.310.0070.00016.22
7.3.300.0030.00316.04
7.3.290.0090.00616.13
7.3.280.0080.01116.16
7.3.270.0170.00717.40
7.3.260.0090.01116.42
7.3.250.0100.00716.32
7.3.240.0130.00416.25
7.3.230.0070.01016.39
7.3.210.0120.00616.44
7.3.200.0040.01616.09
7.3.190.0100.00616.25
7.3.180.0100.00616.12
7.3.170.0080.00816.28
7.3.160.0060.00916.51
7.3.120.0090.00614.97
7.2.330.0100.00716.75
7.2.320.0100.00716.52
7.2.310.0130.00316.29
7.2.300.0130.00316.36
7.2.290.0060.01516.38
7.2.00.0030.01019.44
7.1.100.0030.00917.70
7.1.70.0000.00816.90
7.1.60.0030.01017.18
7.1.50.0100.01016.50
7.1.00.0070.07322.45
7.0.200.0000.01516.78
7.0.140.0000.07721.93
7.0.60.0000.04320.03
7.0.50.0100.07017.84
7.0.40.0130.05719.96
7.0.30.0200.06320.30
7.0.20.0230.06720.32
7.0.10.0100.08020.09
7.0.00.0070.08720.08
5.6.280.0030.07020.93
5.6.210.0030.08320.62
5.6.200.0030.04318.22
5.6.190.0130.08020.40
5.6.180.0000.09020.77
5.6.170.0470.04320.41
5.6.160.0070.05020.51
5.6.150.0000.04318.21
5.6.140.0030.04018.18
5.6.130.0230.05318.16
5.6.120.0100.07720.97
5.6.110.0070.07720.88
5.6.100.0070.06721.16
5.6.90.0100.05021.11
5.6.80.0130.06020.51
5.5.350.4070.03720.40
5.5.340.0130.07718.00
5.5.330.0070.03720.43
5.5.320.0300.07720.31
5.5.310.0330.04320.26
5.5.300.0000.05717.88
5.5.290.0030.07717.91
5.5.280.0070.07020.65
5.5.270.0070.08720.96
5.5.260.0070.04720.79
5.5.250.0100.08720.63
5.5.240.0170.05720.11
5.4.450.0170.04740.27
5.4.440.0230.05336.48
5.4.430.0430.04731.63
5.4.420.0370.04029.18
5.4.410.0300.05027.12
5.4.400.0330.04025.39
5.4.390.0430.04723.78
5.4.380.0230.07018.62
5.4.370.0230.05718.64
5.4.360.0270.05018.77
5.4.350.0270.06018.70
5.4.340.0370.05018.68
5.4.320.0110.03612.45
5.4.310.0130.04212.45
5.4.300.0100.04512.45
5.4.290.0100.04712.45
5.4.280.0050.04212.34
5.4.270.0070.04612.34
5.4.260.0070.04512.34
5.4.250.0060.04612.35
5.4.240.0080.05312.35
5.4.230.0170.04712.34
5.4.220.0100.05112.34
5.4.210.0090.05212.34
5.4.200.0090.05512.34
5.4.190.0100.05212.33
5.4.180.0080.06612.33
5.4.170.0080.11412.34
5.4.160.0130.06812.34
5.4.150.0140.05712.34
5.4.140.0040.04412.02
5.4.130.0060.05212.01
5.4.120.0070.04511.97
5.4.110.0090.04111.96
5.4.100.0090.04111.96
5.4.90.0070.05811.96
5.4.80.0110.06911.96
5.4.70.0080.06111.96
5.4.60.0110.04111.96
5.4.50.0060.05111.96
5.4.40.0070.03911.95
5.4.30.0060.03611.95
5.4.20.0080.03511.95
5.4.10.0110.04711.95
5.4.00.0060.05511.44
5.3.290.0110.03912.80
5.3.280.0040.04512.71
5.3.270.0060.04812.72
5.3.260.0130.04912.72
5.3.250.0060.05412.72
5.3.240.0100.05012.72
5.3.230.0130.04912.71
5.3.220.0120.04212.68
5.3.210.0040.05412.68
5.3.200.0070.04512.68
5.3.190.0130.03012.67
5.3.180.0080.03412.67
5.3.170.0080.04212.67
5.3.160.0090.03812.67
5.3.150.0070.04212.68
5.3.140.0050.04012.66
5.3.130.0050.04312.65
5.3.120.0040.04412.66
5.3.110.0050.04212.66
5.3.100.0100.03512.12
5.3.90.0080.04012.08
5.3.80.0090.03412.07
5.3.70.0050.03912.07
5.3.60.0070.03512.07
5.3.50.0060.03612.00
5.3.40.0070.03512.00
5.3.30.0050.04111.94
5.3.20.0150.03111.71
5.3.10.0060.03511.69
5.3.00.0020.04111.67
5.2.170.0050.0349.18
5.2.160.0050.0319.18
5.2.150.0060.0299.18
5.2.140.0060.0339.17
5.2.130.0040.0359.13
5.2.120.0070.0309.14
5.2.110.0040.0329.14
5.2.100.0070.0269.13
5.2.90.0030.0309.14
5.2.80.0030.0319.13
5.2.70.0040.0309.13
5.2.60.0040.0319.08
5.2.50.0050.0299.05
5.2.40.0040.0399.03
5.2.30.0080.0359.00
5.2.20.0100.0358.99
5.2.10.0060.0278.92
5.2.00.0040.0328.77
5.1.60.0070.0218.06
5.1.50.0080.0218.05
5.1.40.0070.0268.04
5.1.30.0040.0278.39
5.1.20.0060.0308.41
5.1.10.0050.0338.14
5.1.00.0030.0298.13
5.0.50.0040.0256.61
5.0.40.0030.0206.46
5.0.30.0080.0326.29
5.0.20.0040.0196.25
5.0.10.0030.0216.23
5.0.00.0040.0316.22
4.4.90.0080.0134.78
4.4.80.0060.0124.75
4.4.70.0010.0174.75
4.4.60.0020.0184.75
4.4.50.0030.0304.77
4.4.40.0040.0274.71
4.4.30.0050.0144.76
4.4.20.0030.0164.84
4.4.10.0020.0174.85
4.4.00.0060.0264.76
4.3.110.0140.0274.66
4.3.100.0040.0154.66
4.3.90.0060.0124.63
4.3.80.0040.0264.58
4.3.70.0030.0164.63
4.3.60.0020.0194.63
4.3.50.0030.0164.63
4.3.40.0040.0244.54
4.3.30.0050.0143.28
4.3.20.0030.0183.25
4.3.10.0040.0173.21
4.3.00.0000.02022.88

preferences:
49.99 ms | 400 KiB | 5 Q