3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(null); var_dump( empty( $a ) ); $b = array(false); var_dump( empty( $b ) ); $c = array(0); var_dump( empty( $c ) ); $d = array(''); var_dump( empty( $d ) ); $e = array(); var_dump( empty( $e ) );

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)
8.3.60.0100.01016.71
8.3.50.0060.00922.04
8.3.40.0000.01418.42
8.3.30.0120.00319.02
8.3.20.0070.00020.21
8.3.10.0040.00423.62
8.3.00.0040.00420.88
8.2.180.0180.00416.50
8.2.170.0120.00322.96
8.2.160.0040.01120.39
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0130.00626.16
8.2.120.0000.00822.08
8.2.110.0050.00520.52
8.2.100.0120.00017.72
8.2.90.0000.00719.23
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0030.00517.93
8.2.50.0080.00018.07
8.2.40.0040.00418.22
8.2.30.0060.00318.05
8.2.20.0000.00717.58
8.2.10.0030.00517.56
8.2.00.0060.00317.64
8.1.280.0130.00325.92
8.1.270.0080.00023.72
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00023.64
8.1.230.0110.00022.67
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0100.00017.22
8.1.190.0030.00517.41
8.1.180.0060.00318.10
8.1.170.0040.00418.65
8.1.160.0070.00021.95
8.1.150.0040.00418.57
8.1.140.0090.00017.42
8.1.130.0050.00317.73
8.1.120.0000.00717.39
8.1.110.0000.00717.39
8.1.100.0080.00017.31
8.1.90.0000.00717.37
8.1.80.0030.00517.41
8.1.70.0000.00717.34
8.1.60.0090.00017.57
8.1.50.0000.00917.38
8.1.40.0000.00717.38
8.1.30.0030.00517.49
8.1.20.0000.00717.57
8.1.10.0000.00717.32
8.1.00.0040.00417.39
8.0.300.0000.00718.77
8.0.290.0000.00817.03
8.0.280.0030.00318.37
8.0.270.0070.00017.14
8.0.260.0030.00316.81
8.0.250.0070.00016.91
8.0.240.0000.00716.89
8.0.230.0080.00016.79
8.0.220.0030.00316.75
8.0.210.0020.00516.86
8.0.200.0060.00016.76
8.0.190.0040.00416.84
8.0.180.0040.00416.81
8.0.170.0000.00816.73
8.0.160.0040.00416.65
8.0.150.0000.00716.65
8.0.140.0070.00016.80
8.0.130.0000.00613.29
8.0.120.0030.00516.68
8.0.110.0020.00516.83
8.0.100.0030.00516.70
8.0.90.0040.00416.85
8.0.80.0090.00616.71
8.0.70.0040.00416.89
8.0.60.0050.00316.86
8.0.50.0020.00516.70
8.0.30.0130.00717.23
8.0.20.0080.01117.40
8.0.10.0000.00816.80
8.0.00.0080.01416.63
7.4.330.0000.00515.00
7.4.320.0000.00816.57
7.4.300.0040.00416.52
7.4.290.0030.00316.58
7.4.280.0000.00816.46
7.4.270.0030.00316.34
7.4.260.0030.00316.53
7.4.250.0050.00316.38
7.4.240.0000.00716.53
7.4.230.0030.00316.59
7.4.220.0100.00716.55
7.4.210.0080.00916.55
7.4.200.0000.00716.55
7.4.190.0040.00416.29
7.4.160.0120.00416.27
7.4.150.0030.01317.40
7.4.140.0150.00317.86
7.4.130.0070.00916.36
7.4.120.0100.00916.48
7.4.110.0030.01416.52
7.4.100.0130.01016.45
7.4.90.0090.00916.52
7.4.80.0060.01219.39
7.4.70.0000.01816.28
7.4.60.0110.00716.22
7.4.50.0040.00416.41
7.4.40.0070.01122.77
7.4.30.0130.00316.35
7.4.00.0040.01115.04
7.3.330.0050.00013.07
7.3.320.0050.00012.86
7.3.310.0000.00716.09
7.3.300.0040.00416.15
7.3.290.0040.01116.08
7.3.280.0080.00916.15
7.3.270.0070.01017.40
7.3.260.0070.01116.14
7.3.250.0090.00816.45
7.3.240.0130.00716.30
7.3.230.0030.01316.46
7.3.210.0100.00616.27
7.3.200.0070.01019.39
7.3.190.0140.00816.13
7.3.180.0080.00816.17
7.3.170.0060.01016.27
7.3.160.0120.00316.39
7.3.120.0000.01014.60
7.2.330.0030.01316.37
7.2.320.0080.00816.65
7.2.310.0030.02016.52
7.2.300.0100.00616.19
7.2.290.0100.00716.58
7.2.60.0060.00316.48
7.2.00.0000.01019.22
7.1.200.0080.00315.63
7.1.100.0030.00718.05
7.1.70.0100.00617.10
7.1.60.0090.00619.29
7.1.50.0100.01416.89
7.1.00.0100.07022.43
7.0.200.0000.00716.72
7.0.140.0030.06722.21
7.0.60.0000.04719.90
7.0.50.0100.07717.90
7.0.40.0130.04719.98
7.0.30.0200.04020.10
7.0.20.0300.04720.33
7.0.10.0300.07720.01
7.0.00.0130.06320.11
5.6.280.0070.07021.07
5.6.210.0030.08720.60
5.6.200.0030.08718.21
5.6.190.0070.04720.56
5.6.180.0030.04020.60
5.6.170.0330.04020.54
5.6.160.0100.08720.41
5.6.150.0100.07718.18
5.6.140.0070.08018.18
5.6.130.0070.08018.08
5.6.120.0070.04321.13
5.6.110.0030.07720.96
5.6.100.0070.08021.08
5.6.90.0100.08021.09
5.6.80.0030.08320.39
5.6.70.0330.07020.52
5.5.350.0030.07720.43
5.5.340.0130.07317.98
5.5.330.0070.04320.15
5.5.320.0070.03720.27
5.5.310.0330.07320.20
5.5.300.0170.07017.93
5.5.290.0100.05017.91
5.5.280.0070.08320.79
5.5.270.0100.06320.86
5.5.260.0070.08020.95
5.5.250.0130.07020.79
5.5.240.0100.08020.26
5.4.450.0730.04719.25
5.4.440.0800.08019.10
5.4.430.0400.08019.32
5.4.420.0400.07019.54
5.4.410.0900.05719.27
5.4.400.0900.05019.25
5.4.390.0830.07319.12
5.4.380.0330.05018.74
5.4.370.0230.04718.77
5.4.360.0130.05718.66
5.4.350.0200.05718.59
5.4.340.0270.05018.72
5.4.320.0060.03612.45
5.4.310.0040.04012.45
5.4.300.0040.03812.45
5.4.290.0030.04412.45
5.4.280.0060.03512.34
5.4.270.0070.03812.32
5.4.260.0060.04712.31
5.4.250.0090.04712.31
5.4.240.0040.04112.31
5.4.230.0120.03612.30
5.4.220.0130.05712.31
5.4.210.0160.04812.31
5.4.200.0080.05212.30
5.4.190.0150.05312.30
5.4.180.0120.05012.30
5.4.170.0120.06712.31
5.4.160.0270.10012.31
5.4.150.0100.05112.30
5.4.140.0080.04111.99
5.4.130.0090.03811.97
5.4.120.0070.04011.93
5.4.110.0050.03811.93
5.4.100.0090.04611.93
5.4.90.0080.03911.93
5.4.80.0080.05211.93
5.4.70.0130.04511.92
5.4.60.0080.05111.93
5.4.50.0080.04811.92
5.4.40.0070.05111.91
5.4.30.0080.04711.91
5.4.20.0100.04611.91
5.4.10.0060.03511.91
5.4.00.0070.03611.40
5.3.290.0050.03912.80
5.3.280.0050.04112.71
5.3.270.0060.05012.72
5.3.260.0060.04012.72
5.3.250.0060.03812.71
5.3.240.0060.03912.72
5.3.230.0080.03612.71
5.3.220.0070.03712.68
5.3.210.0100.04912.68
5.3.200.0080.03712.68
5.3.190.0060.04912.68
5.3.180.0050.04012.67
5.3.170.0060.03612.67
5.3.160.0060.03612.67
5.3.150.0060.04012.67
5.3.140.0050.03812.66
5.3.130.0080.03712.66
5.3.120.0040.04112.65
5.3.110.0060.04112.66
5.3.100.0060.03812.12
5.3.90.0060.03712.08
5.3.80.0060.03812.08
5.3.70.0060.03712.08
5.3.60.0080.03712.06
5.3.50.0060.03712.00
5.3.40.0070.04112.00
5.3.30.0080.03311.93
5.3.20.0060.03511.70
5.3.10.0080.03511.66
5.3.00.0080.03411.64
5.2.170.0060.0309.15
5.2.160.0030.0329.15
5.2.150.0070.0309.15
5.2.140.0070.0309.14
5.2.130.0080.0279.11
5.2.120.0050.0299.11
5.2.110.0040.0309.11
5.2.100.0040.0339.11
5.2.90.0050.0299.11
5.2.80.0060.0299.10
5.2.70.0080.0329.10
5.2.60.0030.0319.05
5.2.50.0050.0309.03
5.2.40.0090.0279.00
5.2.30.0050.0318.98
5.2.20.0080.0278.96
5.2.10.0030.0308.89
5.2.00.0070.0388.75
5.1.60.0040.0248.04
5.1.50.0040.0258.04
5.1.40.0050.0238.02
5.1.30.0040.0268.36
5.1.20.0080.0238.40
5.1.10.0060.0248.12
5.1.00.0040.0268.11
5.0.50.0050.0196.59
5.0.40.0040.0186.45
5.0.30.0030.0346.27
5.0.20.0040.0196.24
5.0.10.0040.0206.22
5.0.00.0020.0326.21
4.4.90.0020.0164.78
4.4.80.0070.0114.75
4.4.70.0020.0164.76
4.4.60.0030.0184.75
4.4.50.0040.0144.77
4.4.40.0020.0264.71
4.4.30.0040.0164.75
4.4.20.0030.0164.85
4.4.10.0040.0154.85
4.4.00.0030.0254.76
4.3.110.0030.0164.67
4.3.100.0050.0164.66
4.3.90.0030.0204.63
4.3.80.0030.0274.58
4.3.70.0030.0204.63
4.3.60.0030.0154.63
4.3.50.0040.0174.62
4.3.40.0020.0324.53
4.3.30.0030.0163.27
4.3.20.0030.0213.25
4.3.10.0020.0213.22
4.3.00.0070.01313.14

preferences:
43.34 ms | 400 KiB | 5 Q