3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( 'foo' => NULL, 'bar' => '', 'baz' => FALSE, ); echo (string) isset($array['foo']); echo "\n"; echo (string) isset($array['bar']); echo "\n"; echo (string) isset($array['baz']);

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)
8.3.60.0140.00716.75
8.3.50.0120.00521.17
8.3.40.0000.01418.59
8.3.30.0100.00718.81
8.3.20.0000.00720.19
8.3.10.0080.00023.66
8.3.00.0070.00018.96
8.2.180.0070.01418.16
8.2.170.0040.01122.96
8.2.160.0100.01020.43
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0030.00618.80
8.2.110.0070.00322.29
8.2.100.0090.00617.74
8.2.90.0040.00417.88
8.2.80.0040.00418.97
8.2.70.0030.00518.05
8.2.60.0000.00918.22
8.2.50.0060.00318.10
8.2.40.0040.00419.48
8.2.30.0000.00719.29
8.2.20.0050.00317.61
8.2.10.0040.00417.99
8.2.00.0030.00517.65
8.1.280.0080.00825.92
8.1.270.0020.00523.79
8.1.260.0000.00826.35
8.1.250.0050.00228.09
8.1.240.0030.00623.91
8.1.230.0070.00417.82
8.1.220.0000.00817.74
8.1.210.0030.00718.77
8.1.200.0040.00417.36
8.1.190.0080.00017.10
8.1.180.0030.00618.10
8.1.170.0000.00918.50
8.1.160.0000.00718.82
8.1.150.0070.00019.98
8.1.140.0080.00017.33
8.1.130.0030.00317.94
8.1.120.0070.00017.41
8.1.110.0040.00417.39
8.1.100.0040.00417.44
8.1.90.0030.00317.40
8.1.80.0070.00017.46
8.1.70.0000.00717.39
8.1.60.0030.00617.47
8.1.50.0000.00817.38
8.1.40.0000.00817.49
8.1.30.0060.00317.71
8.1.20.0060.00317.67
8.1.10.0040.00417.58
8.1.00.0000.00817.38
8.0.300.0000.00718.90
8.0.290.0040.00416.75
8.0.280.0030.00318.43
8.0.270.0030.00317.29
8.0.260.0000.00617.12
8.0.250.0030.00316.93
8.0.240.0030.00617.01
8.0.230.0070.00016.77
8.0.220.0030.00316.71
8.0.210.0030.00316.84
8.0.200.0060.00016.74
8.0.190.0000.00716.77
8.0.180.0000.00816.75
8.0.170.0000.00816.80
8.0.160.0000.00716.87
8.0.150.0030.00516.71
8.0.140.0060.00316.80
8.0.130.0000.00513.20
8.0.120.0060.00316.80
8.0.110.0080.00016.70
8.0.100.0000.00716.81
8.0.90.0000.00716.83
8.0.80.0090.00916.76
8.0.70.0040.00416.88
8.0.60.0080.00016.62
8.0.50.0000.00716.64
8.0.30.0140.00617.02
8.0.20.0170.00817.40
8.0.10.0050.00216.89
8.0.00.0090.00916.59
7.4.330.0020.00215.00
7.4.320.0030.00316.39
7.4.300.0000.00616.54
7.4.290.0030.00316.64
7.4.280.0070.00016.34
7.4.270.0070.00016.50
7.4.260.0030.00316.50
7.4.250.0030.00516.45
7.4.240.0030.00316.45
7.4.230.0040.00416.58
7.4.220.0090.00916.57
7.4.210.0050.01216.47
7.4.200.0000.00716.24
7.4.190.0040.00416.75
7.4.160.0050.01016.47
7.4.150.0070.01317.40
7.4.140.0080.01217.86
7.4.130.0110.00616.33
7.4.120.0110.00516.44
7.4.110.0110.00716.45
7.4.100.0070.01116.30
7.4.90.0030.01416.53
7.4.80.0120.00919.39
7.4.70.0160.00316.40
7.4.60.0120.00916.45
7.4.50.0050.00016.42
7.4.40.0170.00316.40
7.4.30.0090.01216.56
7.4.00.0070.01014.77
7.3.330.0070.00013.13
7.3.320.0000.00513.10
7.3.310.0000.00716.36
7.3.300.0070.00016.29
7.3.290.0060.00916.21
7.3.280.0040.01416.22
7.3.270.0140.00317.40
7.3.260.0240.02116.22
7.3.250.0060.01216.25
7.3.240.0030.01316.14
7.3.230.0150.00316.39
7.3.210.0030.01316.35
7.3.200.0140.00719.39
7.3.190.0030.01316.60
7.3.180.0000.01616.23
7.3.170.0070.01516.35
7.3.160.0060.01116.52
7.3.120.0060.00615.04
7.2.330.0060.01216.23
7.2.320.0060.01216.57
7.2.310.0120.00616.65
7.2.300.0060.01216.46
7.2.290.0120.01216.71
7.1.70.0030.00917.13
7.1.60.0070.01419.46
7.1.50.0210.00316.85
7.1.00.0000.08022.43
7.0.200.0030.00716.70
7.0.140.0070.07022.08
7.0.60.0100.03719.86
7.0.50.0100.08017.89
7.0.40.0100.09020.21
7.0.30.0370.07320.21
7.0.20.0200.03720.16
7.0.10.0070.04020.18
7.0.00.0000.04320.16
5.6.280.0170.05721.14
5.6.210.0130.06020.70
5.6.200.0000.09318.22
5.6.190.0070.05020.43
5.6.180.0030.05320.35
5.6.170.0130.06320.45
5.6.160.0070.08020.61
5.6.150.0030.08318.17
5.6.140.0100.05718.17
5.6.130.0030.08018.22
5.6.120.0070.07720.99
5.6.110.0070.07720.98
5.6.100.0170.04321.13
5.6.90.0030.04320.93
5.6.80.0100.05020.36
5.5.350.0130.06720.48
5.5.340.0100.08017.95
5.5.330.0070.05020.23
5.5.320.0300.07720.32
5.5.310.0300.04720.20
5.5.300.0030.07017.87
5.5.290.0170.07717.92
5.5.280.0100.04020.89
5.5.270.0030.04320.93
5.5.260.0030.08020.79
5.5.250.0000.04320.61
5.5.240.0030.07720.15
5.4.450.0200.07019.48
5.4.440.0830.05719.54
5.4.430.0200.06019.31
5.4.420.0230.04719.49
5.4.410.0270.05019.41
5.4.400.0200.06719.12
5.4.390.0130.05019.21
5.4.380.0170.05318.68
5.4.370.0130.05318.70
5.4.360.0130.05018.72
5.4.350.0100.06018.75
5.4.340.0100.06018.74
5.4.320.0060.03712.45
5.4.310.0090.03412.45
5.4.300.0050.05012.45
5.4.290.0110.05712.45
5.4.280.0070.05112.35
5.4.270.0080.05012.34
5.4.260.0150.05212.34
5.4.250.0080.04212.34
5.4.240.0070.05012.34
5.4.230.0080.05212.34
5.4.220.0070.04812.34
5.4.210.0080.04712.34
5.4.200.0130.03912.34
5.4.190.0060.03912.33
5.4.180.0040.04212.34
5.4.170.0090.03512.34
5.4.160.0050.04012.34
5.4.150.0060.04812.34
5.4.140.0080.05012.02
5.4.130.0100.04412.01
5.4.120.0020.04511.96
5.4.110.0090.03611.96
5.4.100.0090.03511.96
5.4.90.0080.03711.96
5.4.80.0110.04511.96
5.4.70.0060.04311.96
5.4.60.0070.03711.96
5.4.50.0090.03611.96
5.4.40.0090.03511.95
5.4.30.0100.03411.94
5.4.20.0070.05711.95
5.4.10.0110.04211.95
5.4.00.0060.03911.44
5.3.290.0040.04412.80
5.3.280.0120.07512.71
5.3.270.0090.05412.72
5.3.260.0090.05512.72
5.3.250.0080.04012.72
5.3.240.0110.04912.72
5.3.230.0100.04012.71
5.3.220.0060.04012.68
5.3.210.0070.03812.68
5.3.200.0090.03312.68
5.3.190.0080.03612.68
5.3.180.0100.03612.67
5.3.170.0080.04612.67
5.3.160.0110.06512.67
5.3.150.0080.06112.68
5.3.140.0130.05212.66
5.3.130.0090.06312.66
5.3.120.0120.08712.66
5.3.110.0170.08212.66
5.3.100.0100.06312.12
5.3.90.0100.05412.08
5.3.80.0090.05612.07
5.3.70.0160.07812.07
5.3.60.0070.04412.06
5.3.50.0040.03812.00
5.3.40.0050.03912.00
5.3.30.0080.03511.94
5.3.20.0040.04011.72
5.3.10.0030.06011.69
5.3.00.0070.05411.67
5.2.170.0070.0519.18
5.2.160.0040.0359.18
5.2.150.0040.0439.18
5.2.140.0050.0339.17
5.2.130.0050.0319.13
5.2.120.0040.0349.14
5.2.110.0040.0339.14
5.2.100.0040.0359.14
5.2.90.0140.0519.14
5.2.80.0060.0319.13
5.2.70.0040.0339.14
5.2.60.0100.0339.09
5.2.50.0050.0329.05
5.2.40.0070.0309.03
5.2.30.0060.0409.01
5.2.20.0040.0338.99
5.2.10.0040.0318.91
5.2.00.0020.0348.78
5.1.60.0080.0248.06
5.1.50.0060.0378.05
5.1.40.0070.0348.04
5.1.30.0070.0378.39
5.1.20.0090.0328.41
5.1.10.0030.0318.14
5.1.00.0030.0418.14
5.0.50.0070.0206.62
5.0.40.0060.0276.47
5.0.30.0020.0386.29
5.0.20.0020.0226.25
5.0.10.0050.0206.23
5.0.00.0050.0386.23
4.4.90.0050.0274.78
4.4.80.0060.0254.75
4.4.70.0050.0374.75
4.4.60.0070.0204.75
4.4.50.0070.0304.77
4.4.40.0050.0354.71
4.4.30.0050.0204.76
4.4.20.0020.0244.85
4.4.10.0070.0134.85
4.4.00.0040.0424.76
4.3.110.0040.0214.67
4.3.100.0110.0374.66
4.3.90.0040.0214.63
4.3.80.0050.0304.59
4.3.70.0020.0234.63
4.3.60.0030.0224.63
4.3.50.0040.0234.63
4.3.40.0030.0364.54
4.3.30.0020.0213.28
4.3.20.0010.0183.26
4.3.10.0030.0153.22
4.3.00.0000.0237.27

preferences:
58.69 ms | 401 KiB | 5 Q