3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = array( 'field1' => 1, 'field2' => 2, 'field3' => 3, 'field4' => 4 ); $filter = array('field2', 'field3'); $filtered = array_flip(array_intersect_key(array_flip($filter), $data)); var_dump($filtered);

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)
8.3.70.0140.01416.58
8.3.60.0090.00618.09
8.3.50.0080.01022.11
8.3.40.0100.00718.54
8.3.30.0030.01020.34
8.3.20.0000.00720.34
8.3.10.0170.00021.70
8.3.00.0080.00022.30
8.2.180.0110.01118.41
8.2.170.0070.00722.96
8.2.160.0030.01022.08
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0030.00719.10
8.2.110.0030.00622.08
8.2.100.0090.00317.78
8.2.90.0060.00319.02
8.2.80.0040.00419.25
8.2.70.0040.00417.36
8.2.60.0040.00418.04
8.2.50.0000.00818.07
8.2.40.0070.00018.22
8.2.30.0030.00518.00
8.2.20.0040.00417.64
8.2.10.0030.00617.67
8.2.00.0060.00317.55
8.1.280.0080.00625.92
8.1.270.0040.00424.66
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00023.82
8.1.230.0030.00719.14
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0050.00517.23
8.1.190.0060.00317.41
8.1.180.0050.00319.01
8.1.170.0000.00818.64
8.1.160.0000.00720.92
8.1.150.0080.00018.54
8.1.140.0000.00717.39
8.1.130.0030.00317.87
8.1.120.0070.00017.37
8.1.110.0050.00317.30
8.1.100.0000.00717.25
8.1.90.0000.00717.30
8.1.80.0040.00417.29
8.1.70.0040.00417.34
8.1.60.0030.00617.54
8.1.50.0040.00417.39
8.1.40.0070.00017.49
8.1.30.0040.00417.55
8.1.20.0000.00817.49
8.1.10.0040.00417.30
8.1.00.0030.00717.29
8.0.300.0070.00018.77
8.0.290.0070.00017.05
8.0.280.0070.00018.39
8.0.270.0030.00417.27
8.0.260.0000.00716.80
8.0.250.0070.00016.91
8.0.240.0080.00016.86
8.0.230.0030.00316.76
8.0.220.0040.00416.69
8.0.210.0070.00016.89
8.0.200.0000.00716.75
8.0.190.0040.00416.82
8.0.180.0040.00416.88
8.0.170.0040.00416.85
8.0.160.0070.00016.73
8.0.150.0000.00716.70
8.0.140.0000.00716.77
8.0.130.0050.00013.24
8.0.120.0030.00516.72
8.0.110.0040.00416.68
8.0.100.0070.00016.86
8.0.90.0080.00016.94
8.0.80.0110.00916.79
8.0.70.0080.00016.74
8.0.60.0070.00016.66
8.0.50.0040.00416.86
8.0.30.0080.01017.03
8.0.20.0100.01017.40
8.0.10.0040.00316.79
8.0.00.0130.00416.57
7.4.330.0030.00315.00
7.4.320.0040.00416.51
7.4.300.0030.00316.45
7.4.290.0000.00716.40
7.4.280.0090.00016.41
7.4.270.0030.00316.43
7.4.260.0030.00316.55
7.4.250.0000.00816.40
7.4.240.0000.00716.42
7.4.230.0000.00716.37
7.4.220.0070.01116.56
7.4.210.0080.00916.48
7.4.200.0030.00316.34
7.4.190.0040.00416.34
7.4.160.0070.01316.37
7.4.150.0090.01217.40
7.4.140.0050.01217.86
7.4.130.0100.00816.46
7.4.120.0100.00716.42
7.4.110.0070.01016.51
7.4.100.0080.00916.35
7.4.90.0100.00716.47
7.4.80.0100.01019.39
7.4.70.0120.00616.34
7.4.60.0100.01016.55
7.4.50.0000.00816.40
7.4.40.0050.00722.77
7.4.30.0130.00316.33
7.4.00.0120.00314.95
7.3.330.0000.00513.03
7.3.320.0080.00012.98
7.3.310.0050.00216.20
7.3.300.0030.00316.15
7.3.290.0030.01716.17
7.3.280.0020.01416.20
7.3.270.0070.01017.40
7.3.260.0130.01016.23
7.3.250.0080.01116.20
7.3.240.0030.01516.16
7.3.230.0100.01316.46
7.3.210.0090.00916.29
7.3.200.0070.01419.39
7.3.190.0090.00916.16
7.3.180.0090.01216.44
7.3.170.0120.00316.27
7.3.160.0100.00816.19
7.3.120.0130.00014.59
7.2.330.0030.01416.30
7.2.320.0140.00316.14
7.2.310.0110.01116.27
7.2.300.0120.01116.56
7.2.290.0030.01216.53
7.1.200.0030.00615.61
7.1.70.0030.00616.70
7.1.60.0070.01419.43
7.1.50.0120.00916.56
7.1.00.0070.07022.46
7.0.200.0260.00614.25
7.0.140.0000.07722.04
7.0.60.0030.04019.95
7.0.50.0070.03717.87
7.0.40.0030.04720.20
7.0.30.0270.08020.16
7.0.20.0230.06320.00
7.0.10.0200.04320.09
7.0.00.0130.04720.20
5.6.280.0030.07320.81
5.6.210.0070.07020.63
5.6.200.0100.06718.13
5.6.190.0130.07720.45
5.6.180.0530.07320.79
5.6.170.0230.04720.54
5.6.160.0070.05320.50
5.6.150.0170.04718.21
5.6.140.0130.04018.21
5.6.130.0070.04018.14
5.6.120.0170.07320.92
5.6.110.0030.09020.95
5.6.100.0100.05720.97
5.6.90.0130.06720.99
5.6.80.0100.07320.39
5.5.350.0100.09020.33
5.5.340.0070.07717.94
5.5.330.0070.08720.57
5.5.320.0030.04720.29
5.5.310.0300.06020.29
5.5.300.0130.08018.02
5.5.290.0070.07317.92
5.5.280.0100.08020.79
5.5.270.0070.04320.62
5.5.260.0070.09020.96
5.5.250.0070.05320.78
5.5.240.0170.06720.35
5.4.450.0270.04319.49
5.4.440.0170.04719.41
5.4.430.0500.04019.45
5.4.420.0570.04319.20
5.4.410.1230.02719.11
5.4.400.0470.03719.23
5.4.390.1270.03719.13
5.4.380.0370.05018.71
5.4.370.0300.04718.50
5.4.360.0330.04718.68
5.4.350.0270.05718.62
5.4.340.0370.05318.60
5.4.320.0060.03812.45
5.4.310.0070.03812.45
5.4.300.0060.04112.45
5.4.290.0200.09412.45
5.4.280.0020.03912.35
5.4.270.0060.03612.34
5.4.260.0060.04812.34
5.4.250.0040.04212.34
5.4.240.0070.04718.79
5.4.230.0070.05018.87
5.4.220.0030.05318.77
5.4.210.0030.05318.74
5.4.200.0030.05018.66
5.4.190.0100.05018.72
5.4.180.0000.05718.95
5.4.170.0100.07018.91
5.4.160.0030.05018.92
5.4.150.0170.06018.76
5.4.140.0070.04716.29
5.4.130.0100.04316.46
5.4.120.0030.05016.36
5.4.110.0100.04316.42
5.4.100.0130.05316.26
5.4.90.0030.04716.40
5.4.80.0000.05316.33
5.4.70.0100.04316.51
5.4.60.0070.04716.39
5.4.50.0100.04716.50
5.4.40.0070.04316.52
5.4.30.0030.04716.30
5.4.20.0030.06716.20
5.4.10.0030.05016.37
5.4.00.0100.06015.74
5.3.290.0060.04012.80
5.3.280.0000.05314.36
5.3.270.0070.04714.62
5.3.260.0030.05314.38
5.3.250.0000.06014.52
5.3.240.0070.05714.30
5.3.230.0030.05014.75
5.3.220.0030.05314.58
5.3.210.0070.05314.58
5.3.200.0030.05014.71
5.3.190.0030.05014.57
5.3.180.0030.04714.66
5.3.170.0030.06314.55
5.3.160.0130.05314.66
5.3.150.0000.06014.58
5.3.140.0030.04714.25
5.3.130.0100.04314.64
5.3.120.0030.05014.55
5.3.110.0100.04714.70
5.3.100.0030.05714.05
5.3.90.0030.07014.06
5.3.80.0000.06714.08
5.3.70.0030.05014.06
5.3.60.0030.05314.01
5.3.50.0070.04713.96
5.3.40.0070.06713.96
5.3.30.0030.04713.95
5.3.20.0000.05013.73
5.3.10.0030.04713.66
5.3.00.0030.05013.34
5.2.170.0070.03710.90
5.2.160.0000.04011.23
5.2.150.0030.04011.04
5.2.140.0030.04011.07
5.2.130.0070.04311.09
5.2.120.0030.05010.93
5.2.110.0070.03711.11
5.2.100.0030.05311.25
5.2.90.0030.05711.04
5.2.80.0000.05711.10
5.2.70.0070.05711.10
5.2.60.0000.04311.14
5.2.50.0030.04311.03
5.2.40.0030.04010.83
5.2.30.0100.03310.97
5.2.20.0070.03310.96
5.2.10.0030.03710.93
5.2.00.0030.05310.64
5.1.60.0000.0379.93
5.1.50.0030.0339.85
5.1.40.0030.0309.88
5.1.30.0070.03010.50
5.1.20.0070.03710.40
5.1.10.0000.0379.98
5.1.00.0030.03310.13
5.0.50.0030.0278.63
5.0.40.0030.0278.34
5.0.30.0030.0438.11
5.0.20.0030.0238.24
5.0.10.0030.0238.16
5.0.00.0030.0438.10
4.4.90.0030.0205.70
4.4.80.0070.0175.83
4.4.70.0000.0235.77
4.4.60.0070.0175.78
4.4.50.0030.0205.85
4.4.40.0000.0375.83
4.4.30.0000.0205.83
4.4.20.0030.0205.84
4.4.10.0070.0135.85
4.4.00.0000.0335.83
4.3.110.0030.0205.83
4.3.100.0000.0275.83
4.3.90.0000.0205.83
4.3.80.0000.0335.83
4.3.70.0000.0205.83
4.3.60.0030.0175.83
4.3.50.0030.0175.83
4.3.40.0030.0305.83
4.3.30.0000.0235.83
4.3.20.0000.0335.83
4.3.10.0000.0235.83
4.3.00.0000.01714.48

preferences:
46.73 ms | 401 KiB | 5 Q