3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array("either","eight","einstein","eighth"); $keys = array_fill(0, count($array), 'name'); $new_array = array_combine($keys, $array); print_r($keys); print_r($new_array);

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)
8.3.60.0030.01218.55
8.3.50.0070.01021.02
8.3.40.0110.00418.32
8.3.30.0100.00320.39
8.3.20.0050.00320.27
8.3.10.0080.00021.09
8.3.00.0000.00723.48
8.2.180.0090.00916.75
8.2.170.0040.01122.96
8.2.160.0090.00620.34
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0080.00019.52
8.2.110.0070.00319.33
8.2.100.0090.00317.78
8.2.90.0060.00318.97
8.2.80.0050.00219.34
8.2.70.0090.00017.50
8.2.60.0030.00717.80
8.2.50.0050.00318.07
8.2.40.0040.00418.03
8.2.30.0030.00319.31
8.2.20.0040.00417.75
8.2.10.0040.00417.70
8.2.00.0070.00017.68
8.1.280.0090.00625.92
8.1.270.0030.00523.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00722.50
8.1.230.0070.00420.80
8.1.220.0000.00818.77
8.1.210.0090.00018.98
8.1.200.0080.00017.35
8.1.190.0030.00617.53
8.1.180.0000.00818.10
8.1.170.0040.00418.52
8.1.160.0040.00418.80
8.1.150.0040.00418.63
8.1.140.0040.00417.48
8.1.130.0100.00017.70
8.1.120.0040.00417.36
8.1.110.0000.00717.45
8.1.100.0040.00417.48
8.1.90.0050.00217.32
8.1.80.0050.00317.44
8.1.70.0030.00317.43
8.1.60.0100.00017.55
8.1.50.0000.00717.54
8.1.40.0080.00317.49
8.1.30.0040.00417.61
8.1.20.0050.00317.72
8.1.10.0000.00717.46
8.1.00.0000.00817.38
8.0.300.0000.00719.87
8.0.290.0000.00717.05
8.0.280.0030.00318.36
8.0.270.0030.00317.19
8.0.260.0070.00016.66
8.0.250.0050.00316.79
8.0.240.0050.00516.87
8.0.230.0050.00316.93
8.0.220.0000.00716.81
8.0.210.0000.00816.70
8.0.200.0030.00316.86
8.0.190.0000.00716.77
8.0.180.0000.00816.71
8.0.170.0050.00316.88
8.0.160.0050.00216.93
8.0.150.0000.00716.79
8.0.140.0040.00416.84
8.0.130.0030.00313.28
8.0.120.0000.00816.75
8.0.110.0060.00316.90
8.0.100.0000.00716.77
8.0.90.0040.00416.73
8.0.80.0040.01116.90
8.0.70.0000.00816.95
8.0.60.0080.00016.86
8.0.50.0000.00816.86
8.0.30.0160.00317.14
8.0.20.0110.00817.40
8.0.10.0000.00716.89
8.0.00.0150.00616.70
7.4.330.0020.00214.97
7.4.320.0030.00316.43
7.4.300.0000.00616.55
7.4.290.0060.00016.57
7.4.280.0000.00716.41
7.4.270.0000.00716.66
7.4.260.0000.00513.38
7.4.250.0000.00816.45
7.4.240.0000.00716.51
7.4.230.0000.00716.48
7.4.220.0090.00916.61
7.4.210.0050.00916.60
7.4.200.0050.00216.30
7.4.190.0070.00016.31
7.4.160.0090.00616.29
7.4.150.0090.00917.40
7.4.140.0080.00917.86
7.4.130.0100.00916.36
7.4.120.0110.00916.52
7.4.110.0120.00616.50
7.4.100.0070.01016.33
7.4.90.0140.01016.69
7.4.80.0100.00719.39
7.4.70.0130.01016.61
7.4.60.0100.00716.22
7.4.50.0030.00516.35
7.4.40.0060.01022.77
7.4.30.0120.00916.45
7.4.00.0090.00914.82
7.3.330.0000.00613.12
7.3.320.0050.00013.12
7.3.310.0000.00716.17
7.3.300.0030.00316.22
7.3.290.0040.01116.22
7.3.280.0110.00616.21
7.3.270.0100.00717.40
7.3.260.0130.00818.24
7.3.250.0130.00416.28
7.3.240.0060.01116.15
7.3.230.0090.00916.39
7.3.210.0130.00316.31
7.3.200.0100.00619.39
7.3.190.0100.00716.26
7.3.180.0060.00916.50
7.3.170.0030.01316.27
7.3.160.0120.00916.16
7.3.120.0000.00914.63
7.2.330.0110.00616.63
7.2.320.0180.00316.55
7.2.310.0030.01716.55
7.2.300.0100.01216.48
7.2.290.0040.01216.55
7.2.00.0060.00619.06
7.1.100.0030.01317.64
7.1.70.0030.00617.14
7.1.60.0490.00615.09
7.1.50.0140.00716.93
7.1.00.0030.05022.48
7.0.200.0040.00416.72
7.0.140.0070.07022.08
7.0.100.0200.07720.16
7.0.90.0370.07719.92
7.0.80.0370.06319.87
7.0.70.0400.07719.89
7.0.60.0330.07719.84
7.0.50.0300.06720.28
7.0.40.0200.07320.00
7.0.30.0030.08020.18
7.0.20.0170.06020.14
7.0.10.0030.07720.02
7.0.00.0030.05019.94
5.6.280.0070.06721.06
5.6.250.0070.04720.62
5.6.240.0200.07020.68
5.6.230.0030.09320.53
5.6.220.0100.04720.67
5.6.210.0130.07320.48
5.6.200.0100.07021.08
5.6.190.0130.07721.13
5.6.180.0070.04321.10
5.6.170.0070.05021.07
5.6.160.0030.07020.93
5.6.150.0000.06721.03
5.6.140.0100.06321.05
5.6.130.0070.05021.11
5.6.120.0030.04721.03
5.6.110.0030.04720.94
5.6.100.0100.07021.06
5.6.90.0200.03721.00
5.6.80.0130.07320.49
5.6.70.0100.04720.43
5.6.60.0100.08320.41
5.6.50.0100.06320.51
5.6.40.0100.07720.29
5.6.30.0070.07320.52
5.6.20.0200.06720.51
5.6.10.0100.06020.48
5.6.00.0070.04720.44
5.5.380.0070.07020.42
5.5.370.0130.08020.35
5.5.360.0030.09720.38
5.5.350.0200.07320.32
5.5.340.0070.04720.72
5.5.330.0070.07020.91
5.5.320.0070.04320.77
5.5.310.0030.04320.72
5.5.300.0170.07320.88
5.5.290.0070.08020.89
5.5.280.0070.04020.77
5.5.270.0070.08320.78
5.5.260.0130.08020.80
5.5.250.0030.06720.58
5.5.240.0100.06720.20
5.5.230.0030.05320.14
5.5.220.0000.06020.29
5.5.210.0070.07020.24
5.5.200.0100.05020.25
5.5.190.0130.07020.18
5.5.180.0030.06020.26
5.5.160.0170.07020.17
5.5.150.0130.06720.25
5.5.140.0030.08320.11
5.5.130.0100.07720.14
5.5.120.0070.08020.21
5.5.110.0130.06020.11
5.5.100.0100.06319.94
5.5.90.0100.07320.14
5.5.80.0170.04720.05
5.5.70.0000.04720.02
5.5.60.0000.05020.04
5.5.50.0130.04020.07
5.5.40.0130.07020.02
5.5.30.0030.06720.08
5.5.20.0000.05320.02
5.5.10.0070.07720.10
5.5.00.0070.06320.11
5.4.450.0100.07319.54
5.4.440.0070.04319.17
5.4.430.0000.04319.34
5.4.420.0070.04719.19
5.4.410.0100.07019.29
5.4.400.0100.07719.21
5.4.390.0000.05318.95
5.4.380.0100.06719.04
5.4.370.0100.05019.14
5.4.360.0070.07719.11
5.4.350.0170.07719.13
5.4.340.0100.04719.05
5.4.320.0130.04019.14
5.4.310.0030.08319.04
5.4.300.0130.06319.12
5.4.290.0070.07019.17
5.4.280.0000.05319.09
5.4.270.0130.05019.13
5.4.260.0070.06019.00
5.4.250.0130.05319.15
5.4.240.0100.06018.88
5.4.230.0130.05019.17
5.4.220.0070.06319.03
5.4.210.0000.04319.00
5.4.200.0100.07019.11
5.4.190.0100.05019.02
5.4.180.0070.07719.08
5.4.170.0100.07319.11
5.4.160.0030.06719.16
5.4.150.0070.07719.03
5.4.140.0100.06316.25
5.4.130.0070.07016.40
5.4.120.0170.06016.18
5.4.110.0070.07316.42
5.4.100.0100.07016.43
5.4.90.0030.07016.39
5.4.80.0030.07016.34
5.4.70.0000.08316.38
5.4.60.0070.07016.42
5.4.50.0070.06016.49
5.4.40.0000.04016.45
5.4.30.0100.07316.39
5.4.20.0070.07716.36
5.4.10.0130.06716.29
5.4.00.0100.07015.90
5.3.290.0100.07314.72
5.3.280.0000.04014.62
5.3.270.0030.07314.57
5.3.260.0030.07714.66
5.3.250.0000.08014.63
5.3.240.0030.04314.69
5.3.230.0070.07314.65
5.3.220.0100.06014.63
5.3.210.0070.04014.55
5.3.200.0070.07014.49
5.3.190.0030.03714.62
5.3.180.0070.05314.49
5.3.170.0030.05714.50
5.3.160.0070.02714.69
5.3.150.0070.07714.48
5.3.140.0100.07314.48
5.3.130.0030.06714.65
5.3.120.0030.08014.68
5.3.110.0000.04014.46
5.3.100.0030.05714.09
5.3.90.0130.05014.11
5.3.80.0030.07713.93
5.3.70.0070.03714.01
5.3.60.0070.07014.01
5.3.50.0070.05713.93
5.3.40.0070.07013.95
5.3.30.0100.03013.92
5.3.20.0100.06313.71
5.3.10.0100.05713.67
5.3.00.0100.06713.68
5.2.170.0100.05012.40
5.2.160.0000.04712.40
5.2.150.0100.05712.40
5.2.140.0000.06712.40
5.2.130.0030.06312.40
5.2.120.0030.04712.40
5.2.110.0030.05712.40
5.2.100.0000.06012.40
5.2.90.0000.05012.40
5.2.80.0030.06312.40
5.2.70.0000.03012.40
5.2.60.0000.03012.40
5.2.50.0030.03012.40
5.2.40.0030.04012.40
5.2.30.0000.04012.40
5.2.20.0000.05712.40
5.2.10.0070.03012.40
5.2.00.0100.05312.40
5.1.60.0100.04312.40
5.1.50.0070.04312.40
5.1.40.0030.04712.40
5.1.30.0030.03012.40
5.1.20.0030.04012.40
5.1.10.0130.04712.40
5.1.00.0100.05312.40
5.0.50.0000.03712.40
5.0.40.0000.02312.40
5.0.30.0070.06012.40
5.0.20.0030.02012.40
5.0.10.0000.02312.40
5.0.00.0030.03312.40
4.4.90.0000.03012.40
4.4.80.0000.03712.40
4.4.70.0030.02712.40
4.4.60.0030.01712.40
4.4.50.0030.02012.40
4.4.40.0070.04012.40
4.4.30.0070.01312.40
4.4.20.0030.03012.40
4.4.10.0100.02012.40
4.4.00.0070.04712.40
4.3.110.0000.03712.40
4.3.100.0030.03012.40
4.3.90.0030.03312.40
4.3.80.0000.05012.40
4.3.70.0030.01712.40
4.3.60.0000.02712.40
4.3.50.0030.02712.40
4.3.40.0030.02712.40
4.3.30.0070.03712.40
4.3.20.0030.03312.40
4.3.10.0030.03012.40
4.3.00.0000.03712.40

preferences:
60.06 ms | 400 KiB | 5 Q