3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array( 'string' => 'my string', 'empty string' => '', 'number' => 5, 'zero' => 0, 'null' => null, 'array' => array(1, 2, 3), 'empty_array' => array(), ); foreach ($arr as $key => $value) { echo $key, ' is ', (isset($arr[$key]) ? 'set' : 'not set'), PHP_EOL; }

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)
8.3.60.0090.00616.75
8.3.50.0050.01821.98
8.3.40.0140.00318.57
8.3.30.0100.00319.09
8.3.20.0050.00320.25
8.3.10.0070.00023.65
8.3.00.0110.00419.26
8.2.180.0150.00616.50
8.2.170.0040.01122.96
8.2.160.0080.00818.96
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0150.00026.16
8.2.120.0040.00422.30
8.2.110.0060.00322.30
8.2.100.0070.00417.78
8.2.90.0040.00419.22
8.2.80.0030.00617.97
8.2.70.0050.00317.63
8.2.60.0050.00318.03
8.2.50.0030.00518.07
8.2.40.0030.00619.94
8.2.30.0000.00718.18
8.2.20.0050.00317.64
8.2.10.0040.00418.18
8.2.00.0070.00317.80
8.1.280.0060.01225.92
8.1.270.0050.00523.96
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.84
8.1.230.0110.00019.02
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0050.00517.35
8.1.190.0050.00317.53
8.1.180.0030.00618.10
8.1.170.0060.00318.65
8.1.160.0050.00221.93
8.1.150.0070.00318.64
8.1.140.0070.00017.45
8.1.130.0000.00717.83
8.1.120.0040.00417.47
8.1.110.0040.00417.49
8.1.100.0000.00717.45
8.1.90.0000.00717.46
8.1.80.0000.00817.48
8.1.70.0040.00417.41
8.1.60.0030.00617.47
8.1.50.0040.00417.55
8.1.40.0040.00417.44
8.1.30.0000.00817.55
8.1.20.0000.00817.71
8.1.10.0040.00417.42
8.1.00.0070.00017.48
8.0.300.0040.00420.78
8.0.290.0050.00217.28
8.0.280.0030.00518.32
8.0.270.0000.00717.17
8.0.260.0030.00317.27
8.0.250.0040.00416.98
8.0.240.0030.00316.82
8.0.230.0070.00016.98
8.0.220.0000.00716.86
8.0.210.0050.00216.79
8.0.200.0040.00416.84
8.0.190.0030.00616.84
8.0.180.0050.00316.96
8.0.170.0000.00816.94
8.0.160.0040.00416.88
8.0.150.0000.00716.87
8.0.140.0000.00716.76
8.0.130.0030.00313.25
8.0.120.0030.00616.92
8.0.110.0000.00716.80
8.0.100.0000.00716.96
8.0.90.0030.00516.70
8.0.80.0060.01016.85
8.0.70.0070.00016.73
8.0.60.0040.00416.73
8.0.50.0070.00016.88
8.0.30.0140.00517.12
8.0.20.0120.00617.40
8.0.10.0030.00316.89
8.0.00.0120.00516.78
7.4.330.0000.00615.10
7.4.320.0000.00616.55
7.4.300.0030.00316.51
7.4.290.0000.00716.50
7.4.280.0040.00416.35
7.4.270.0050.00216.63
7.4.260.0030.00316.38
7.4.250.0040.00416.60
7.4.240.0040.00316.51
7.4.230.0000.00716.66
7.4.220.0090.01516.47
7.4.210.0060.00816.56
7.4.200.0070.00016.58
7.4.190.0000.00716.64
7.4.160.0080.00816.59
7.4.150.0140.00317.40
7.4.140.0070.01117.86
7.4.130.0120.00416.57
7.4.120.0080.00916.48
7.4.110.0170.00716.40
7.4.100.0060.01016.56
7.4.90.0110.00716.55
7.4.80.0060.01219.39
7.4.70.0000.01716.46
7.4.60.0090.00716.41
7.4.50.0040.00416.18
7.4.40.0070.00722.77
7.4.30.0140.00316.23
7.4.00.0100.00715.16
7.3.330.0000.00613.13
7.3.320.0060.00013.08
7.3.310.0040.00416.20
7.3.300.0050.00316.28
7.3.290.0160.00316.23
7.3.280.0120.00416.23
7.3.270.0120.00917.40
7.3.260.0090.00916.26
7.3.250.0090.00816.28
7.3.240.0080.00916.59
7.3.230.0100.00616.39
7.3.210.0060.00916.75
7.3.200.0060.01919.39
7.3.190.0090.01516.64
7.3.180.0080.00816.42
7.3.170.0110.00516.34
7.3.160.0040.01216.65
7.3.120.0070.01014.81
7.3.10.0030.00616.42
7.3.00.0030.01116.73
7.2.330.0030.01516.62
7.2.320.0070.01016.49
7.2.310.0080.01316.34
7.2.300.0110.00616.75
7.2.290.0040.01216.41
7.2.130.0080.00816.60
7.2.120.0040.01316.64
7.2.110.0120.00616.25
7.2.100.0090.01516.60
7.2.90.0090.00616.65
7.2.80.0080.01016.78
7.2.70.0100.00316.54
7.2.60.0130.00916.39
7.2.50.0130.00316.57
7.2.40.0100.01016.50
7.2.30.0120.00616.57
7.2.20.0100.00716.46
7.2.10.0130.00316.46
7.2.00.0050.00818.21
7.1.250.0120.00415.21
7.1.100.0040.01118.22
7.1.70.0030.00617.27
7.1.60.0140.01119.46
7.1.50.0070.01116.82
7.1.00.0100.07022.45
7.0.200.0030.00616.89
7.0.140.0000.07722.01
7.0.60.0070.05719.86
7.0.50.0130.06717.86
7.0.40.0130.07020.12
7.0.30.0400.04720.03
7.0.20.0400.04320.01
7.0.10.0230.04719.96
7.0.00.0130.08320.00
5.6.280.0000.07721.09
5.6.210.0030.07720.46
5.6.200.0070.06318.24
5.6.190.0070.08020.43
5.6.180.0170.05720.45
5.6.170.0330.04720.47
5.6.160.0130.03720.49
5.6.150.0030.06018.19
5.6.140.0100.05318.17
5.6.130.0030.07318.15
5.6.120.0100.07721.12
5.6.110.0100.08321.04
5.6.100.0100.06721.02
5.6.90.0130.05721.12
5.6.80.0100.03320.41
5.6.70.4570.03720.52
5.5.350.0000.08320.40
5.5.340.0130.07317.90
5.5.330.0130.08320.30
5.5.320.0200.07320.20
5.5.310.0200.05320.31
5.5.300.0000.09017.95
5.5.290.0100.08017.91
5.5.280.0100.05020.88
5.5.270.0100.07320.96
5.5.260.0030.04020.95
5.5.250.0030.07320.68
5.5.240.0100.07320.07
5.4.450.0870.05319.61
5.4.440.0830.06019.11
5.4.430.0170.05319.30
5.4.420.0770.08019.50
5.4.410.0730.06719.35
5.4.400.0130.05318.77
5.4.390.0800.08019.30
5.4.380.0330.06018.56
5.4.370.0200.06718.67
5.4.360.0230.05718.63
5.4.350.0200.06718.46
5.4.340.0270.06318.53
5.4.320.0040.04912.46
5.4.310.0120.03712.45
5.4.300.0090.03512.45
5.4.290.0060.04112.44
5.4.280.0070.04512.34
5.4.270.0070.05712.34
5.4.260.0140.05712.34
5.4.250.0130.04112.33
5.4.240.0080.03512.34
5.4.230.0050.04012.33
5.4.220.0040.03812.33
5.4.210.0070.03512.32
5.4.200.0090.03612.33
5.4.190.0090.03612.32
5.4.180.0100.03612.32
5.4.170.0130.04012.33
5.4.160.0130.05112.33
5.4.150.0140.05212.33
5.4.140.0070.05412.01
5.4.130.0090.05912.00
5.4.120.0070.05711.95
5.4.110.0070.04911.96
5.4.100.0120.03211.95
5.4.90.0060.05411.95
5.4.80.0060.03911.95
5.4.70.0050.04511.95
5.4.60.0060.03711.95
5.4.50.0100.03511.95
5.4.40.0090.03511.93
5.4.30.0090.03411.94
5.4.20.0060.03511.93
5.4.10.0060.03811.94
5.4.00.0120.04411.43
5.3.290.0080.04412.80
5.3.280.0140.08212.71
5.3.270.0060.04012.72
5.3.260.0070.04612.72
5.3.250.0090.04012.71
5.3.240.0060.03712.72
5.3.230.0060.04012.71
5.3.220.0070.03712.68
5.3.210.0050.04712.68
5.3.200.0110.04012.68
5.3.190.0080.03712.68
5.3.180.0070.03712.67
5.3.170.0080.04612.67
5.3.160.0100.03712.67
5.3.150.0070.04612.67
5.3.140.0070.03812.66
5.3.130.0110.03712.66
5.3.120.0070.04412.66
5.3.110.0070.04112.66
5.3.100.0120.03312.12
5.3.90.0070.05512.08
5.3.80.0060.04012.07
5.3.70.0060.03912.07
5.3.60.0070.03912.07
5.3.50.0080.03512.00
5.3.40.0060.03712.00
5.3.30.0050.04611.94
5.3.20.0120.04011.72
5.3.10.0140.04211.69
5.3.00.0120.03811.68
5.2.170.0070.0309.18
5.2.160.0080.0279.18
5.2.150.0010.0369.18
5.2.140.0050.0319.17
5.2.130.0050.0299.13
5.2.120.0080.0289.13
5.2.110.0050.0329.14
5.2.100.0070.0419.14
5.2.90.0040.0399.14
5.2.80.0070.0439.13
5.2.70.0030.0359.14
5.2.60.0060.0299.09
5.2.50.0040.0329.05
5.2.40.0070.0439.03
5.2.30.0150.0509.01
5.2.20.0080.0439.00
5.2.10.0110.0388.92
5.2.00.0110.0358.78
5.1.60.0100.0328.06
5.1.50.0050.0398.06
5.1.40.0060.0368.04
5.1.30.0040.0408.39
5.1.20.0060.0388.41
5.1.10.0060.0368.14
5.1.00.0080.0298.14
5.0.50.0050.0276.61
5.0.40.0030.0206.47
5.0.30.0060.0336.29
5.0.20.0040.0276.26
5.0.10.0030.0306.23
5.0.00.0020.0386.23
4.4.90.0030.0164.78
4.4.80.0030.0164.75
4.4.70.0030.0264.75
4.4.60.0040.0184.75
4.4.50.0040.0224.77
4.4.40.0040.0254.71
4.4.30.0030.0164.76
4.4.20.0020.0214.84
4.4.10.0040.0154.85
4.4.00.0070.0224.76
4.3.110.0030.0174.67
4.3.100.0060.0134.66
4.3.90.0030.0154.64
4.3.80.0050.0264.58
4.3.70.0020.0164.63
4.3.60.0040.0184.63
4.3.50.0040.0224.63
4.3.40.0050.0244.54
4.3.30.0030.0223.29
4.3.20.0010.0203.25
4.3.10.0030.0243.22
4.3.00.0070.01710.54

preferences:
40.32 ms | 401 KiB | 5 Q