3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('foo'=>false, 'd' => 3); var_dump(empty($a['foo'])); var_dump(empty($a['bar'])); var_dump(empty($a['d']));

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)
8.3.40.0130.00618.70
8.3.30.0110.00318.91
8.3.20.0050.00220.10
8.3.10.0040.00421.82
8.3.00.0080.00019.26
8.2.170.0160.00622.96
8.2.160.0110.00420.51
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0100.00021.05
8.2.110.0190.00320.54
8.2.100.0110.00017.78
8.2.90.0030.00719.57
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0040.00418.04
8.2.50.0000.00918.07
8.2.40.0030.00617.94
8.2.30.0000.00718.09
8.2.20.0050.00317.65
8.2.10.0040.00417.86
8.2.00.0000.00717.48
8.1.270.0040.00423.91
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0070.00322.61
8.1.230.0040.00820.90
8.1.220.0000.00817.74
8.1.210.0070.00318.84
8.1.200.0030.00717.22
8.1.190.0040.00417.10
8.1.180.0050.00318.73
8.1.170.0000.00818.36
8.1.160.0040.00422.04
8.1.150.0030.00518.68
8.1.140.0050.00217.21
8.1.130.0020.00519.61
8.1.120.0000.00717.40
8.1.110.0040.00417.34
8.1.100.0000.00717.38
8.1.90.0000.00817.37
8.1.80.0070.00017.39
8.1.70.0070.00017.25
8.1.60.0050.00217.44
8.1.50.0050.00317.43
8.1.40.0040.00417.51
8.1.30.0030.00617.48
8.1.20.0040.00417.51
8.1.10.0040.00417.40
8.1.00.0000.00717.43
8.0.300.0040.00419.86
8.0.290.0000.00716.58
8.0.280.0050.00318.37
8.0.270.0070.00017.06
8.0.260.0030.00317.20
8.0.250.0070.00016.76
8.0.240.0030.00316.93
8.0.230.0000.00716.71
8.0.220.0030.00316.72
8.0.210.0070.00016.71
8.0.200.0000.01016.75
8.0.190.0000.00716.89
8.0.180.0070.00016.85
8.0.170.0000.00716.81
8.0.160.0070.00016.78
8.0.150.0000.00816.76
8.0.140.0040.00816.78
8.0.130.0030.00313.23
8.0.120.0040.00416.79
8.0.110.0070.00016.81
8.0.100.0040.00416.88
8.0.90.0070.00016.71
8.0.80.0040.01116.70
8.0.70.0040.00416.86
8.0.60.0050.00316.68
8.0.50.0000.00716.67
8.0.30.0090.00916.89
8.0.20.0100.00817.40
8.0.10.0070.00016.96
8.0.00.0140.00316.78
7.4.330.0030.00315.00
7.4.320.0030.00316.33
7.4.300.0030.00316.52
7.4.290.0030.00316.45
7.4.280.0030.00416.46
7.4.270.0040.00416.33
7.4.260.0000.00716.41
7.4.250.0040.00416.46
7.4.240.0020.00516.48
7.4.230.0000.00716.34
7.4.220.0060.00916.50
7.4.210.0090.01216.47
7.4.200.0030.00316.57
7.4.160.0160.00016.52
7.4.150.0110.00717.40
7.4.140.0080.00817.86
7.4.130.0160.00316.52
7.4.120.0120.00616.51
7.4.110.0120.00416.53
7.4.100.0110.00716.26
7.4.90.0070.01616.52
7.4.80.0130.00619.39
7.4.70.0020.00216.45
7.4.60.0060.01016.31
7.4.50.0040.00416.18
7.4.40.0030.01316.43
7.4.30.0080.00816.39
7.4.00.0100.00515.00
7.3.330.0000.00612.91
7.3.320.0020.00213.18
7.3.310.0030.00316.15
7.3.300.0030.00316.21
7.3.290.0090.00616.14
7.3.280.0080.00816.18
7.3.270.0090.00917.40
7.3.260.0000.01716.52
7.3.240.0130.00316.43
7.3.230.0090.00916.39
7.3.210.0030.01316.48
7.3.200.0060.01219.39
7.3.190.0000.01716.25
7.3.180.0150.00016.24
7.3.170.0120.00416.50
7.3.160.0080.00916.29
7.3.120.0100.00614.66
7.3.110.0030.01514.43
7.3.100.0070.01014.58
7.3.90.0000.01414.98
7.3.80.0110.00414.62
7.3.70.0060.00914.79
7.3.60.0040.01114.75
7.3.50.0100.01014.84
7.3.40.0000.01014.79
7.3.30.0000.01314.71
7.3.20.0060.00616.27
7.3.10.0040.01116.49
7.3.00.0030.00616.59
7.2.330.0090.00916.45
7.2.320.0080.00816.35
7.2.310.0060.01216.17
7.2.300.0030.01316.55
7.2.290.0090.00616.52
7.2.250.0000.01514.81
7.2.240.0000.01914.72
7.2.230.0030.01715.08
7.2.220.0000.01214.66
7.2.210.0060.00914.75
7.2.200.0070.00714.61
7.2.190.0070.01414.80
7.2.180.0100.00614.99
7.2.170.0030.01014.97
7.2.110.0300.00916.22
7.2.80.0100.00316.68
7.2.60.0000.01716.38
7.2.00.0090.00319.14
7.1.330.0100.00615.63
7.1.320.0070.00615.86
7.1.310.0040.00715.79
7.1.300.0090.00615.57
7.1.290.0040.00815.63
7.1.280.0030.01015.70
7.1.270.0070.00315.40
7.1.260.0000.01515.49
7.1.200.0000.01315.57
7.1.100.0060.00618.10
7.1.70.0040.00417.00
7.1.60.0100.01419.40
7.1.50.0070.01816.50
7.1.00.0070.07322.57
7.0.200.0000.00716.75
7.0.140.0030.07021.93
7.0.60.0030.05319.86
7.0.50.0000.04317.80
7.0.40.0070.08719.90
7.0.30.0270.07720.02
7.0.20.0430.06720.30
7.0.10.0230.08020.13
7.0.00.0070.04320.19
5.6.280.0130.06321.01
5.6.210.0030.04020.61
5.6.200.0030.04318.17
5.6.190.0100.08720.57
5.6.180.3170.03720.39
5.6.170.0300.07320.39
5.6.160.0030.07320.36
5.6.150.0100.03318.12
5.6.140.0000.04718.18
5.6.130.0130.06718.12
5.6.120.0070.04021.01
5.6.110.0030.09020.99
5.6.100.0070.08020.98
5.6.90.0100.07721.12
5.6.80.0070.04320.35
5.6.70.0130.08020.27
5.5.350.0470.06720.38
5.5.340.0030.05017.88
5.5.330.0030.04320.40
5.5.320.0430.07320.30
5.5.310.0330.04720.26
5.5.300.0100.07318.02
5.5.290.0030.08317.94
5.5.280.0070.04020.86
5.5.270.0000.07020.71
5.5.260.0170.07720.86
5.5.250.0070.08020.69
5.5.240.4000.04320.14
5.4.450.0700.06719.47
5.4.440.0800.05319.54
5.4.430.0670.06019.22
5.4.420.0630.05719.54
5.4.410.0800.05019.09
5.4.400.0130.05019.12
5.4.390.1030.06318.88
5.4.380.0070.05318.63
5.4.370.0100.04318.66
5.4.360.0070.04718.42
5.4.350.0250.10111.97
5.4.340.0040.05411.97
5.4.320.0090.03212.45
5.4.310.0060.03912.45
5.4.300.0090.03412.45
5.4.290.0070.03712.45
5.4.280.0040.04412.35
5.4.270.0050.04212.35
5.4.260.0070.03812.34
5.4.250.0070.03612.35
5.4.240.0060.03612.34
5.4.230.0050.03912.34
5.4.220.0110.03112.34
5.4.210.0070.03612.34
5.4.200.0090.03512.34
5.4.190.0040.03812.34
5.4.180.0050.03712.34
5.4.170.0090.03912.35
5.4.160.0080.04412.34
5.4.150.0060.03712.34
5.4.140.0050.04112.02
5.4.130.0080.03412.01
5.4.120.0060.03611.97
5.4.110.0060.04811.96
5.4.100.0110.03411.96
5.4.90.0040.04011.96
5.4.80.0070.03611.96
5.4.70.0050.04111.96
5.4.60.0070.03311.96
5.4.50.0120.04911.96
5.4.40.0090.04511.95
5.4.30.0050.04811.95
5.4.20.0090.04611.95
5.4.10.0090.04711.95
5.4.00.0100.04511.43
5.3.290.0050.04212.80
5.3.280.0100.05112.71
5.3.270.0080.03712.72
5.3.260.0100.03812.72
5.3.250.0090.03612.72
5.3.240.0080.03612.72
5.3.230.0070.03612.71
5.3.220.0080.05212.68
5.3.210.0100.05212.68
5.3.200.0150.04312.68
5.3.190.0050.04212.68
5.3.180.0060.04412.67
5.3.170.0070.03812.67
5.3.160.0070.03612.67
5.3.150.0040.04012.68
5.3.140.0070.04012.66
5.3.130.0070.03912.66
5.3.120.0090.05212.65
5.3.110.0070.04812.66
5.3.100.0050.03812.12
5.3.90.0070.04112.08
5.3.80.0060.03712.08
5.3.70.0050.03812.08
5.3.60.0100.03212.07
5.3.50.0090.03712.00
5.3.40.0060.03812.00
5.3.30.0080.03311.94
5.3.20.0070.03811.72
5.3.10.0060.03411.69
5.3.00.0040.03911.67
5.2.170.0040.0329.18
5.2.160.0050.0289.18
5.2.150.0040.0339.18
5.2.140.0060.0309.17
5.2.130.0050.0429.13
5.2.120.0050.0309.14
5.2.110.0030.0309.14
5.2.100.0060.0269.14
5.2.90.0020.0319.13
5.2.80.0030.0319.13
5.2.70.0100.0369.14
5.2.60.0060.0289.09
5.2.50.0040.0309.05
5.2.40.0060.0279.03
5.2.30.0090.0379.00
5.2.20.0090.0379.00
5.2.10.0160.0708.91
5.2.00.0090.0378.77
5.1.60.0050.0318.06
5.1.50.0070.0358.05
5.1.40.0080.0398.04
5.1.30.0080.0358.39
5.1.20.0070.0368.41
5.1.10.0060.0318.14
5.1.00.0030.0318.14
5.0.50.0050.0276.61
5.0.40.0050.0206.48
5.0.30.0070.0396.29
5.0.20.0030.0236.25
5.0.10.0030.0226.23
5.0.00.0050.0296.23
4.4.90.0020.0164.78
4.4.80.0050.0204.76
4.4.70.0040.0214.75
4.4.60.0050.0154.75
4.4.50.0040.0214.77
4.4.40.0070.0294.71
4.4.30.0040.0194.76
4.4.20.0040.0194.84
4.4.10.0040.0224.85
4.4.00.0030.0324.76
4.3.110.0060.0194.67
4.3.100.0020.0234.67
4.3.90.0020.0174.63
4.3.80.0020.0254.59
4.3.70.0030.0154.63
4.3.60.0030.0154.63
4.3.50.0030.0194.63
4.3.40.0050.0244.54
4.3.30.0020.0173.28
4.3.20.0000.0183.26
4.3.10.0060.0123.21
4.3.00.0130.0207.01

preferences:
51.09 ms | 400 KiB | 5 Q