3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array("a" => "green", "b" => "brown", "c" => "blue"); $array2 = array("a" => "green", "c" => "blue2", "d" => "cyan"); $array1 = array_intersect_key($array1, $array2); print_r($array1); $result = array_intersect_key($array2, $array1); print_r($result);

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)
8.3.60.0120.00618.18
8.3.50.0140.00521.98
8.3.40.0180.00318.89
8.3.30.0140.00019.09
8.3.20.0000.00720.17
8.3.10.0080.00023.56
8.3.00.0030.00620.77
8.2.180.0110.00716.32
8.2.170.0070.00722.96
8.2.160.0100.00320.47
8.2.150.0050.00324.18
8.2.140.0070.00724.66
8.2.130.0040.00426.16
8.2.120.0040.00420.98
8.2.110.0030.00622.14
8.2.100.0060.00619.40
8.2.90.0040.00419.22
8.2.80.0050.00317.97
8.2.70.0040.00417.38
8.2.60.0060.00617.93
8.2.50.0040.00418.07
8.2.40.0060.00319.38
8.2.30.0040.00418.28
8.2.20.0070.00017.50
8.2.10.0040.00418.05
8.2.00.0000.00717.55
8.1.280.0090.00925.92
8.1.270.0040.00423.96
8.1.260.0100.00326.35
8.1.250.0070.00028.09
8.1.240.0000.00922.11
8.1.230.0040.00719.03
8.1.220.0040.00417.78
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0080.00017.10
8.1.180.0030.00518.10
8.1.170.0000.00818.48
8.1.160.0000.00821.82
8.1.150.0000.00718.57
8.1.140.0050.00217.44
8.1.130.0000.00617.77
8.1.120.0070.00017.36
8.1.110.0040.00417.41
8.1.100.0020.00517.27
8.1.90.0000.00717.29
8.1.80.0070.00017.37
8.1.70.0030.00317.21
8.1.60.0000.00817.52
8.1.50.0060.00317.46
8.1.40.0040.00417.34
8.1.30.0030.00617.57
8.1.20.0040.00417.63
8.1.10.0080.00017.32
8.1.00.0080.00317.35
8.0.300.0000.00718.77
8.0.290.0070.00016.93
8.0.280.0030.00318.29
8.0.270.0080.00017.19
8.0.260.0030.00317.09
8.0.250.0030.00316.94
8.0.240.0030.00316.89
8.0.230.0000.00716.92
8.0.220.0030.00316.85
8.0.210.0000.00716.88
8.0.200.0030.00316.81
8.0.190.0040.00416.83
8.0.180.0050.00216.89
8.0.170.0040.00416.86
8.0.160.0040.00416.70
8.0.150.0050.00316.76
8.0.140.0040.00416.68
8.0.130.0030.00313.21
8.0.120.0080.00016.77
8.0.110.0000.00716.80
8.0.100.0070.00016.76
8.0.90.0000.00716.79
8.0.80.0100.00716.73
8.0.70.0000.00716.81
8.0.60.0040.00416.70
8.0.50.0040.00416.86
8.0.30.0070.01117.09
8.0.20.0090.00917.40
8.0.10.0030.00516.84
8.0.00.0090.01216.57
7.4.330.0030.00315.00
7.4.320.0030.00316.42
7.4.300.0060.00016.43
7.4.290.0040.00416.57
7.4.280.0000.00716.52
7.4.270.0000.00716.46
7.4.260.0030.00716.50
7.4.250.0000.00716.42
7.4.240.0000.00716.52
7.4.230.0000.00816.27
7.4.220.0060.01616.63
7.4.210.0070.00716.55
7.4.200.0050.00216.32
7.4.160.0000.01616.20
7.4.150.0090.01017.40
7.4.140.0140.00717.86
7.4.130.0150.00316.35
7.4.120.0140.00416.35
7.4.110.0110.00716.52
7.4.100.0080.00816.34
7.4.90.0100.00716.54
7.4.80.0080.00819.39
7.4.70.0100.00716.49
7.4.60.0170.00316.44
7.4.50.0090.00016.46
7.4.40.0090.00616.59
7.4.30.0030.01216.19
7.4.00.0030.01014.71
7.3.330.0030.00312.88
7.3.320.0020.00212.98
7.3.310.0000.00716.07
7.3.300.0030.00316.17
7.3.290.0090.00616.13
7.3.280.0070.01116.15
7.3.270.0060.01117.40
7.3.260.0030.01416.13
7.3.250.0070.01216.28
7.3.240.0140.00316.22
7.3.230.0080.01516.39
7.3.210.0130.01016.06
7.3.200.0030.01419.39
7.3.190.0150.00616.55
7.3.180.0000.01516.08
7.3.170.0070.01316.27
7.3.160.0100.01016.34
7.3.120.0070.00714.64
7.2.330.0090.01816.55
7.2.320.0080.00816.38
7.2.310.0100.00616.39
7.2.300.0060.01016.65
7.2.290.0030.01216.59
7.2.60.0070.00716.66
7.2.00.0090.00919.24
7.1.200.0000.01015.71
7.1.100.0080.00318.19
7.1.70.0040.00417.11
7.1.60.0120.01219.70
7.1.50.0120.00316.61
7.1.00.0030.07322.40
7.0.200.0030.00316.83
7.0.140.0000.07722.22
7.0.100.0270.07019.88
7.0.90.0270.08019.93
7.0.80.0000.08719.93
7.0.70.0100.03320.01
7.0.60.0030.06719.94
7.0.50.0070.07720.38
7.0.40.0100.08020.05
7.0.30.0070.08320.18
7.0.20.0070.06720.11
7.0.10.0100.06720.09
7.0.00.0070.06720.18
5.6.280.0030.07320.98
5.6.250.0100.04020.75
5.6.240.0130.05020.51
5.6.230.0030.04320.60
5.6.220.0070.06320.74
5.6.210.0000.07720.66
5.6.200.0070.07320.93
5.6.190.0030.04321.03
5.6.180.0130.07321.08
5.6.170.0030.08721.02
5.6.160.0070.04021.10
5.6.150.0130.08021.02
5.6.140.0070.05021.13
5.6.130.0070.05721.07
5.6.120.0030.08021.07
5.6.110.0100.07020.92
5.6.100.0030.08721.02
5.6.90.0030.08021.05
5.6.80.0070.08020.45
5.6.70.0070.07320.51
5.6.60.0030.04020.43
5.6.50.0070.07320.44
5.6.40.0130.04320.39
5.6.30.0100.06720.32
5.6.20.0100.06320.35
5.6.10.0070.06320.37
5.6.00.0030.06020.30
5.5.380.0100.08020.34
5.5.370.0170.06720.42
5.5.360.0030.04320.40
5.5.350.0100.08020.43
5.5.340.0100.05720.91
5.5.330.0030.07320.77
5.5.320.0030.08320.90
5.5.310.0200.06320.86
5.5.300.0100.08720.92
5.5.290.0070.06720.79
5.5.280.0100.08720.79
5.5.270.0030.04320.82
5.5.260.0030.06320.87
5.5.250.0030.07020.69
5.5.240.0030.07020.28
5.5.230.0000.05020.29
5.5.220.0130.07320.13
5.5.210.0100.05020.25
5.5.200.0100.07320.19
5.5.190.0030.06020.23
5.5.180.0070.08020.10
5.5.160.0030.08320.17
5.5.150.0070.03720.25
5.5.140.0130.04019.98
5.5.130.0030.08020.16
5.5.120.0070.05720.20
5.5.110.0030.06720.07
5.5.100.0070.07720.04
5.5.90.0100.07020.09
5.5.80.0100.06720.15
5.5.70.0070.08019.93
5.5.60.0100.05720.04
5.5.50.0070.08020.05
5.5.40.0130.07020.10
5.5.30.0070.08319.95
5.5.20.0130.07320.07
5.5.10.0200.06320.12
5.5.00.0000.08720.00
5.4.450.0030.05019.42
5.4.440.0030.08319.40
5.4.430.0130.06319.13
5.4.420.0100.07019.44
5.4.410.0130.07319.27
5.4.400.0030.04019.06
5.4.390.0030.07319.23
5.4.380.0070.07718.94
5.4.370.0130.05018.90
5.4.360.0000.04719.05
5.4.350.0070.07719.06
5.4.340.0130.06319.03
5.4.320.0070.08019.03
5.4.310.0030.06019.06
5.4.300.0170.06719.03
5.4.290.0070.06319.11
5.4.280.0070.07718.78
5.4.270.0070.05018.80
5.4.260.0030.06719.09
5.4.250.0070.03018.89
5.4.240.0170.03318.94
5.4.230.0130.04019.12
5.4.220.0170.07318.94
5.4.210.0000.06319.02
5.4.200.0070.05019.03
5.4.190.0030.06318.95
5.4.180.0100.05719.03
5.4.170.0030.08318.90
5.4.160.0030.07319.00
5.4.150.0130.03319.10
5.4.140.0000.08016.42
5.4.130.0100.06716.25
5.4.120.0030.07716.35
5.4.110.0070.07316.22
5.4.100.0100.03316.21
5.4.90.0030.04316.34
5.4.80.0070.05316.19
5.4.70.0030.03716.30
5.4.60.0070.04016.36
5.4.50.0030.03716.38
5.4.40.0000.05716.29
5.4.30.0070.07016.35
5.4.20.0100.07316.18
5.4.10.0070.05016.31
5.4.00.0000.04015.71
5.3.290.0030.06314.64
5.3.280.0100.07014.43
5.3.270.0130.06714.60
5.3.260.0100.05314.57
5.3.250.0000.04014.60
5.3.240.0030.07314.46
5.3.230.0070.04014.43
5.3.220.0130.04314.56
5.3.210.0100.07314.56
5.3.200.0030.04314.48
5.3.190.0030.07314.38
5.3.180.0000.04014.57
5.3.170.0100.04014.47
5.3.160.0130.06014.47
5.3.150.0130.04014.50
5.3.140.0000.04714.38
5.3.130.0070.05014.54
5.3.120.0000.04014.49
5.3.110.0130.07714.38
5.3.100.0070.07714.02
5.3.90.0100.04713.99
5.3.80.0030.06013.97
5.3.70.0070.07014.00
5.3.60.0030.05013.75
5.3.50.0070.04013.71
5.3.40.0070.07313.94
5.3.30.0030.07013.68
5.3.20.0030.06713.70
5.3.10.0070.04713.63
5.3.00.0030.07313.63
5.2.170.0030.03012.32
5.2.160.0070.06012.32
5.2.150.0100.03012.32
5.2.140.0070.03712.32
5.2.130.0070.06012.32
5.2.120.0030.06012.32
5.2.110.0070.03012.32
5.2.100.0000.03312.32
5.2.90.0070.03312.32
5.2.80.0070.06012.32
5.2.70.0000.05712.32
5.2.60.0030.03312.32
5.2.50.0100.04012.32
5.2.40.0070.03012.32
5.2.30.0070.05012.32
5.2.20.0030.05012.32
5.2.10.0100.02312.32
5.2.00.0100.04312.32
5.1.60.0000.02712.32
5.1.50.0030.02712.32
5.1.40.0070.04312.32
5.1.30.0030.02312.32
5.1.20.0000.06012.32
5.1.10.0030.02712.32
5.1.00.0000.02712.32
5.0.50.0100.03012.32
5.0.40.0000.02312.32
5.0.30.0070.04012.32
5.0.20.0030.02312.32
5.0.10.0000.03012.32
5.0.00.0000.03712.32
4.4.90.0000.03312.32
4.4.80.0070.01312.32
4.4.70.0070.02712.32
4.4.60.0070.02312.32
4.4.50.0000.02012.32
4.4.40.0030.04012.32
4.4.30.0030.01312.32
4.4.20.0030.01712.32
4.4.10.0000.04012.32
4.4.00.0000.03012.32
4.3.110.0000.02012.32
4.3.100.0070.02312.32
4.3.90.0030.03712.32
4.3.80.0000.02312.32
4.3.70.0100.01312.32
4.3.60.0030.01712.32
4.3.50.0000.01712.32
4.3.40.0000.03012.32
4.3.30.0000.03012.32
4.3.20.0070.01012.32
4.3.10.0000.02012.32
4.3.00.0030.02312.32

preferences:
31.73 ms | 400 KiB | 5 Q