3v4l.org

run code in 300+ PHP versions simultaneously
<?php $result1 = array_keys(['id' => 1]); // ['id'] $result2 = array_keys(['id' => 1], null); // [] $expected = ['id']; echo $expected === $result1 ? 1 : 0; // 1 true echo $expected === $result2 ? 1 : 0; // 0 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)
8.3.60.0000.01418.31
8.3.50.0120.00821.23
8.3.40.0070.01418.72
8.3.30.0150.00018.98
8.3.20.0080.00020.16
8.3.10.0070.00023.66
8.3.00.0050.00319.13
8.2.180.0090.00916.63
8.2.170.0200.00022.96
8.2.160.0040.01120.52
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00422.18
8.2.110.0030.00620.47
8.2.100.0110.00017.91
8.2.90.0030.00619.22
8.2.80.0000.00917.97
8.2.70.0000.01017.63
8.2.60.0100.00317.93
8.2.50.0000.00818.07
8.2.40.0050.00319.91
8.2.30.0050.00317.96
8.2.20.0000.00717.72
8.2.10.0040.00418.11
8.2.00.0060.00317.58
8.1.280.0080.00625.92
8.1.270.0040.00422.13
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00023.77
8.1.230.0060.00623.80
8.1.220.0040.00417.78
8.1.210.0030.00618.77
8.1.200.0040.00417.10
8.1.190.0000.00817.23
8.1.180.0050.00318.10
8.1.170.0040.00418.42
8.1.160.0000.00721.89
8.1.150.0000.00718.81
8.1.140.0000.00717.29
8.1.130.0030.00317.75
8.1.120.0000.00817.30
8.1.110.0070.00017.29
8.1.100.0030.00317.37
8.1.90.0000.00717.34
8.1.80.0030.00617.29
8.1.70.0030.00317.34
8.1.60.0040.00417.40
8.1.50.0040.00417.48
8.1.40.0000.00817.30
8.1.30.0040.00417.58
8.1.20.0000.00717.60
8.1.10.0060.00317.41
8.1.00.0040.00417.33
8.0.300.0000.00718.77
8.0.290.0040.00416.58
8.0.280.0030.00318.49
8.0.270.0000.00817.13
8.0.260.0000.00617.31
8.0.250.0070.00016.96
8.0.240.0030.00316.87
8.0.230.0030.00316.87
8.0.220.0030.00516.75
8.0.210.0000.00716.86
8.0.200.0030.00316.89
8.0.190.0000.00816.86
8.0.180.0080.00016.68
8.0.170.0000.00816.83
8.0.160.0000.00716.79
8.0.150.0000.00716.77
8.0.140.0040.00416.84
8.0.130.0030.00713.27
8.0.120.0040.00416.80
8.0.110.0000.00816.80
8.0.100.0040.00416.73
8.0.90.0050.00216.72
8.0.80.0070.01316.79
8.0.70.0000.00716.78
8.0.60.0000.00816.95
8.0.50.0040.00416.76
8.0.30.0090.01316.95
8.0.20.0090.01517.40
8.0.10.0040.00416.80
8.0.00.0080.00816.56
7.4.330.0000.00615.10
7.4.320.0000.00816.60
7.4.300.0030.00316.48
7.4.290.0030.00316.42
7.4.280.0030.00516.58
7.4.270.0000.00716.52
7.4.260.0030.00316.53
7.4.250.0070.00016.38
7.4.240.0060.00216.55
7.4.230.0000.00916.59
7.4.220.0090.01016.61
7.4.210.0160.00316.45
7.4.200.0030.00616.45
7.4.160.0120.00416.42
7.4.150.0150.00317.40
7.4.140.0090.01317.86
7.4.130.0130.00316.57
7.4.120.0080.00816.57
7.4.110.0100.00716.61
7.4.100.0070.01116.42
7.4.90.0080.00816.53
7.4.80.0100.01019.39
7.4.70.0090.00916.58
7.4.60.0090.00916.33
7.4.50.0000.00816.66
7.4.40.0060.00916.28
7.4.30.0100.00516.47
7.4.00.0090.00615.15
7.3.330.0020.00413.18
7.3.320.0050.00313.14
7.3.310.0000.00716.20
7.3.300.0070.00016.18
7.3.290.0070.01016.22
7.3.280.0100.00616.18
7.3.270.0030.02017.40
7.3.260.0100.00616.40
7.3.250.0080.00816.17
7.3.240.0040.01716.35
7.3.230.0030.01916.39
7.3.210.0100.00616.54
7.3.200.0030.01419.39
7.3.190.0170.00316.25
7.3.180.0090.00616.22
7.3.170.0110.00716.59
7.3.160.0100.00716.40
7.3.10.0000.01216.51
7.3.00.0120.00316.43
7.2.330.0090.00916.34
7.2.320.0110.00616.61
7.2.310.0130.00316.28
7.2.300.0060.01016.48
7.2.290.0130.00916.49
7.2.130.0120.00416.62
7.2.120.0030.01016.61
7.2.110.0030.00616.91
7.2.100.0060.00616.72
7.2.90.0100.00716.69
7.2.80.0000.01116.68
7.2.70.0080.00416.76
7.2.60.0170.00316.96
7.2.50.0000.00916.69
7.2.40.0060.00616.99
7.2.30.0030.00616.74
7.2.20.0140.00316.60
7.2.10.0100.00616.74
7.2.00.0030.00916.66
7.1.250.0100.00315.63
7.1.70.0040.00417.13
7.1.60.0060.01919.11
7.1.50.0110.01416.84
7.1.00.0000.08022.36
7.0.200.0040.00416.82
7.0.140.0030.07721.95
7.0.60.0070.08319.88
7.0.50.0070.07717.81
7.0.40.0070.04320.32
7.0.30.0100.05020.22
7.0.20.0300.04720.11
7.0.10.0130.08320.00
7.0.00.0100.03320.19
5.6.280.0130.06020.77
5.6.210.0170.07720.50
5.6.200.0100.07718.18
5.6.190.0030.04320.26
5.6.180.0330.08020.27
5.6.170.0270.04320.51
5.6.160.0130.07020.33
5.6.150.0070.08018.16
5.6.140.0070.06018.20
5.6.130.0030.08318.12
5.6.120.0100.07321.02
5.6.110.0070.07321.11
5.6.100.0130.06320.88
5.6.90.0030.06020.85
5.6.80.0100.07320.37
5.6.70.3000.03020.38
5.5.350.0130.05020.38
5.5.340.0100.08317.98
5.5.330.0030.04720.36
5.5.320.0130.08020.18
5.5.310.0230.05320.41
5.5.300.0000.04017.98
5.5.290.0030.05317.95
5.5.280.0130.03020.64
5.5.270.0070.08720.86
5.5.260.0030.04320.88
5.5.250.0070.05320.49
5.5.240.0300.07020.35
5.4.450.0170.05019.57
5.4.440.0430.06319.50
5.4.430.0130.05719.12
5.4.420.0670.00019.62
5.4.410.0670.00019.40
5.4.400.0600.00019.16
5.4.390.0700.00019.10
5.4.380.0630.00019.15
5.4.370.0600.00018.95
5.4.360.0600.00018.97
5.4.350.0670.00019.18
5.4.340.0060.03411.96
5.4.320.0090.03312.45
5.4.310.0060.03812.45
5.4.300.0110.03312.45
5.4.290.0050.03812.45
5.4.280.0060.03512.34
5.4.270.0040.03912.35
5.4.260.0110.03312.34
5.4.250.0050.03912.35
5.4.240.0070.03612.35
5.4.230.0080.03712.34
5.4.220.0090.03612.34
5.4.210.0070.03512.34
5.4.200.0050.03912.34
5.4.190.0110.03112.33
5.4.180.0070.04112.33
5.4.170.0060.03512.34
5.4.160.0070.03412.34
5.4.150.0040.03712.34
5.4.140.0070.03512.02
5.4.130.0060.03512.01
5.4.120.0030.03811.97
5.4.110.0020.03811.96
5.4.100.0090.03111.96
5.4.90.0070.03611.96
5.4.80.0060.03711.96
5.4.70.0040.03611.96
5.4.60.0090.03011.96
5.4.50.0080.03211.96
5.4.40.0030.03711.95
5.4.30.0030.03811.94
5.4.20.0060.03511.95
5.4.10.0100.03011.95
5.4.00.0100.03211.44
5.3.290.0060.03912.80
5.3.280.0060.03912.70
5.3.270.0050.04712.72
5.3.260.0090.03612.72
5.3.250.0100.03912.72
5.3.240.0060.03812.72
5.3.230.0070.03612.71
5.3.220.0070.03712.68
5.3.210.0110.03612.68
5.3.200.0080.03812.68
5.3.190.0050.04812.67
5.3.180.0090.04312.68
5.3.170.0070.03412.66
5.3.160.0030.03812.67
5.3.150.0060.03612.67
5.3.140.0070.03512.66
5.3.130.0060.03812.66
5.3.120.0070.04212.66
5.3.110.0070.03812.66
5.3.100.0090.03512.12
5.3.90.0060.03612.08
5.3.80.0090.03412.07
5.3.70.0030.04012.07
5.3.60.0060.03812.06
5.3.50.0050.03712.00
5.3.40.0090.03512.00
5.3.30.0020.03811.95
5.3.20.0070.03411.73
5.3.10.0050.03611.70
5.3.00.0070.03511.68
5.2.170.0110.0269.18
5.2.160.0070.0299.18
5.2.150.0050.0319.18
5.2.140.0050.0309.18
5.2.130.0050.0289.14
5.2.120.0050.0289.14
5.2.110.0040.0299.14
5.2.100.0030.0319.14
5.2.90.0020.0329.14
5.2.80.0060.0309.14
5.2.70.0050.0319.14
5.2.60.0050.0299.09
5.2.50.0080.0269.05
5.2.40.0040.0299.03
5.2.30.0080.0269.01
5.2.20.0070.0269.00
5.2.10.0040.0288.93
5.2.00.0110.0228.78
5.1.60.0030.0258.07
5.1.50.0030.0258.06
5.1.40.0040.0248.04
5.1.30.0040.0268.40
5.1.20.0040.0268.42
5.1.10.0100.0218.14
5.1.00.0070.0238.14
5.0.50.0040.0206.62
5.0.40.0020.0206.48
5.0.30.0030.0316.29
5.0.20.0020.0206.26
5.0.10.0050.0186.24
5.0.00.0040.0296.23
4.4.90.0020.0154.78
4.4.80.0030.0144.76
4.4.70.0010.0164.75
4.4.60.0020.0154.76
4.4.50.0020.0164.77
4.4.40.0030.0244.71
4.4.30.0020.0154.76
4.4.20.0020.0164.84
4.4.10.0040.0164.85
4.4.00.0040.0244.76
4.3.110.0030.0154.67
4.3.100.0020.0154.67
4.3.90.0020.0144.63
4.3.80.0040.0234.58
4.3.70.0030.0144.63
4.3.60.0030.0144.63
4.3.50.0050.0124.63
4.3.40.0030.0234.54
4.3.30.0020.0153.29
4.3.20.0020.0183.27
4.3.10.0030.0143.22
4.3.00.0170.02010.30

preferences:
44.73 ms | 401 KiB | 5 Q