3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=1; if( !(is_null($a)|empty($a)) ) { 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)
8.3.40.0110.00418.67
8.3.30.0140.00018.95
8.3.20.0000.00720.34
8.3.10.0080.00023.66
8.3.00.0060.00319.25
8.2.170.0140.00722.96
8.2.160.0130.00020.37
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0050.00321.98
8.2.110.0100.00021.97
8.2.100.0080.00417.63
8.2.90.0000.00719.09
8.2.80.0000.00817.97
8.2.70.0080.00017.25
8.2.60.0000.00817.93
8.2.50.0040.00718.07
8.2.40.0040.00419.82
8.2.30.0000.00717.95
8.2.20.0040.00417.62
8.2.10.0040.00418.12
8.2.00.0050.00217.68
8.1.270.0080.00024.01
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00024.01
8.1.230.0090.00317.77
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.35
8.1.180.0080.00018.10
8.1.170.0040.00418.59
8.1.160.0070.00022.05
8.1.150.0000.00718.92
8.1.140.0040.00417.32
8.1.130.0000.00717.83
8.1.120.0000.00717.48
8.1.110.0000.00717.48
8.1.100.0000.00717.52
8.1.90.0040.00417.34
8.1.80.0030.00317.49
8.1.70.0000.00817.42
8.1.60.0000.00717.53
8.1.50.0040.00417.48
8.1.40.0040.00417.55
8.1.30.0030.00617.48
8.1.20.0030.00617.61
8.1.10.0000.00717.39
8.1.00.0000.00717.39
8.0.300.0050.00218.77
8.0.290.0070.00016.75
8.0.280.0030.00318.36
8.0.270.0000.00717.29
8.0.260.0060.00317.30
8.0.250.0030.00316.87
8.0.240.0040.00416.97
8.0.230.0030.00516.84
8.0.220.0040.00416.90
8.0.210.0030.00316.82
8.0.200.0080.00016.91
8.0.190.0030.00616.94
8.0.180.0040.00416.82
8.0.170.0070.00316.82
8.0.160.0080.00016.96
8.0.150.0000.00816.93
8.0.140.0000.00816.89
8.0.130.0000.00513.28
8.0.120.0000.00716.75
8.0.110.0030.00516.81
8.0.100.0000.00716.89
8.0.90.0040.00416.93
8.0.80.0180.00316.91
8.0.70.0000.00716.95
8.0.60.0000.00816.89
8.0.50.0000.00716.93
8.0.30.0050.01417.06
8.0.20.0030.01517.40
8.0.10.0000.00816.96
8.0.00.0110.00916.78
7.4.330.0000.00615.09
7.4.320.0030.00316.59
7.4.300.0060.00016.41
7.4.290.0000.00716.52
7.4.280.0070.00016.54
7.4.270.0050.00316.61
7.4.260.0000.00716.48
7.4.250.0050.00216.36
7.4.240.0030.00516.46
7.4.230.0070.00016.41
7.4.220.0060.01216.57
7.4.210.0090.00916.39
7.4.200.0000.00716.45
7.4.160.0060.00916.57
7.4.150.0160.00317.40
7.4.140.0140.00617.86
7.4.130.0070.01016.38
7.4.120.0080.00816.39
7.4.110.0060.00916.57
7.4.100.0090.00916.62
7.4.90.0160.00616.44
7.4.80.0120.00919.39
7.4.70.0100.00716.62
7.4.60.0060.00916.56
7.4.50.0000.00816.48
7.4.40.0070.01016.37
7.4.30.0040.01316.55
7.4.00.0060.00615.07
7.3.330.0020.00212.89
7.3.320.0050.00013.05
7.3.310.0020.00516.19
7.3.300.0000.00616.10
7.3.290.0090.01216.14
7.3.280.0090.00516.15
7.3.270.0120.00617.40
7.3.260.0130.00316.47
7.3.250.0090.00716.31
7.3.240.0070.01016.21
7.3.230.0110.00716.39
7.3.210.0110.00716.30
7.3.200.0110.01119.39
7.3.190.0100.01016.45
7.3.180.0030.01216.27
7.3.170.0060.00916.27
7.3.160.0060.01016.57
7.2.330.0090.00916.45
7.2.320.0070.01616.39
7.2.310.0120.00616.62
7.2.300.0060.01016.68
7.2.290.0100.00716.50
7.2.00.0060.00918.86
7.1.200.0030.00615.60
7.1.100.0040.00417.93
7.1.70.1020.00414.83
7.1.60.0120.01219.32
7.1.50.0110.00416.86
7.1.00.0030.07722.28
7.0.200.0040.00416.80
7.0.140.0030.07022.00
7.0.60.0030.08020.02
7.0.50.0100.06017.79
7.0.40.0030.05720.08
7.0.30.0570.06320.09
7.0.20.0330.04720.16
7.0.10.0130.06720.20
7.0.00.0070.04320.09
5.6.280.0030.07321.10
5.6.210.0200.07320.56
5.6.200.0030.04018.19
5.6.190.0070.08720.58
5.6.180.0370.04020.63
5.6.170.0430.07320.52
5.6.160.0100.05320.54
5.6.150.0070.08018.07
5.6.140.0000.04718.09
5.6.130.0170.07318.07
5.6.120.0130.08020.79
5.6.110.0130.07320.96
5.6.100.0000.04320.88
5.6.90.0070.04021.11
5.6.80.0100.07720.50
5.5.350.0130.08020.38
5.5.340.0030.05717.99
5.5.330.0070.08320.36
5.5.320.0300.05320.24
5.5.310.0100.04320.27
5.5.300.0070.05017.98
5.5.290.0070.08017.95
5.5.280.0130.06320.64
5.5.270.0100.08020.84
5.5.260.0070.05320.72
5.5.250.0070.08720.54
5.5.240.0200.08320.27
5.4.450.0670.04719.49
5.4.440.0330.03719.24
5.4.430.1000.03719.21
5.4.420.0630.00019.34
5.4.410.0630.00019.39
5.4.400.0630.00019.23
5.4.390.0630.00019.09
5.4.380.0630.00019.07
5.4.370.0630.00019.00
5.4.360.0630.00019.05
5.4.350.0670.00019.16
5.4.340.0040.03711.96
5.4.320.0060.04412.45
5.4.310.0040.04012.45
5.4.300.0090.03612.45
5.4.290.0040.04412.45
5.4.280.0070.04012.34
5.4.270.0070.03812.35
5.4.260.0090.03912.35
5.4.250.0050.04212.34
5.4.240.0090.04412.35
5.4.230.0040.04012.34
5.4.220.0090.04712.34
5.4.210.0040.03712.34
5.4.200.0110.04912.34
5.4.190.0070.04112.34
5.4.180.0060.03512.33
5.4.170.0070.04012.34
5.4.160.0090.03812.34
5.4.150.0080.04012.34
5.4.140.0060.06212.02
5.4.130.0050.04212.01
5.4.120.0070.03511.97
5.4.110.0050.03711.96
5.4.100.0110.03811.96
5.4.90.0080.04211.96
5.4.80.0070.03711.96
5.4.70.0020.03911.96
5.4.60.0070.04311.96
5.4.50.0060.04511.96
5.4.40.0070.03611.95
5.4.30.0020.03911.95
5.4.20.0080.03611.95
5.4.10.0100.04011.95
5.4.00.0080.03611.44
5.3.290.0050.04112.80
5.3.280.0070.03812.71
5.3.270.0040.04112.72
5.3.260.0080.03812.72
5.3.250.0050.03812.72
5.3.240.0050.03912.72
5.3.230.0090.03512.71
5.3.220.0060.03812.68
5.3.210.0060.03912.68
5.3.200.0050.04012.68
5.3.190.0070.03912.68
5.3.180.0050.03812.68
5.3.170.0110.03112.67
5.3.160.0110.04012.67
5.3.150.0060.04112.67
5.3.140.0040.04212.66
5.3.130.0080.04512.66
5.3.120.0110.04912.66
5.3.110.0050.05212.66
5.3.100.0040.04012.12
5.3.90.0070.03512.08
5.3.80.0070.03712.07
5.3.70.0070.03812.07
5.3.60.0080.03612.06
5.3.50.0070.03612.00
5.3.40.0040.03812.00
5.3.30.0070.03311.94
5.3.20.0070.03411.71
5.3.10.0060.03511.69
5.3.00.0090.03911.67
5.2.170.0070.0299.18
5.2.160.0050.0349.18
5.2.150.0060.0359.18
5.2.140.0040.0349.17
5.2.130.0040.0349.13
5.2.120.0040.0299.14
5.2.110.0030.0469.14
5.2.100.0040.0339.13
5.2.90.0060.0309.13
5.2.80.0050.0309.13
5.2.70.0050.0319.13
5.2.60.0050.0309.08
5.2.50.0030.0369.05
5.2.40.0030.0309.03
5.2.30.0080.0319.01
5.2.20.0040.0308.99
5.2.10.0060.0318.92
5.2.00.0030.0338.77
5.1.60.0090.0238.06
5.1.50.0070.0328.05
5.1.40.0030.0258.04
5.1.30.0050.0278.39
5.1.20.0080.0298.41
5.1.10.0050.0268.13
5.1.00.0060.0268.14
5.0.50.0030.0236.61
5.0.40.0050.0206.47
5.0.30.0030.0386.29
5.0.20.0040.0226.25
5.0.10.0050.0216.23
5.0.00.0060.0366.22
4.4.90.0040.0214.78
4.4.80.0130.0344.76
4.4.70.0020.0194.75
4.4.60.0010.0174.76
4.4.50.0030.0164.77
4.4.40.0040.0334.71
4.4.30.0010.0204.76
4.4.20.0000.0194.85
4.4.10.0050.0204.85
4.4.00.0030.0264.76
4.3.110.0030.0184.66
4.3.100.0010.0234.67
4.3.90.0030.0184.63
4.3.80.0050.0244.59
4.3.70.0030.0154.63
4.3.60.0030.0144.63
4.3.50.0020.0174.63
4.3.40.0020.0254.54
4.3.30.0010.0263.28
4.3.20.0020.0203.25
4.3.10.0010.0163.21
4.3.00.0070.02013.71

preferences:
50.02 ms | 400 KiB | 5 Q