3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(0 => 100, "color" => "red"); $keys = array_keys($array); echo $keys; ?>

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)
8.5.10.0090.00819.86
8.5.00.0140.01021.80
8.4.150.0030.00014.05
8.4.140.0170.00517.61
8.4.130.0100.01017.63
8.4.120.0100.01022.08
8.4.110.0140.00622.42
8.4.100.0140.00617.86
8.4.90.0110.00618.44
8.4.80.0140.00617.68
8.4.70.0120.00817.83
8.4.60.0150.00518.78
8.4.50.0120.00920.31
8.4.40.0100.01017.80
8.4.30.0100.01019.54
8.4.20.0100.01019.14
8.4.10.0030.00722.48
8.3.280.0140.01218.21
8.3.270.0070.01216.62
8.3.260.0120.01116.59
8.3.250.0090.01018.78
8.3.240.0120.00616.66
8.3.230.0070.00816.62
8.3.220.0140.00417.10
8.3.210.0060.00416.77
8.3.200.0020.00716.73
8.3.190.0080.01116.86
8.3.180.0090.00316.61
8.3.170.0140.00418.83
8.3.160.0150.00317.07
8.3.150.0030.01717.11
8.3.140.0040.00416.60
8.3.130.0050.00516.56
8.3.120.0090.00920.52
8.3.110.0040.00416.64
8.3.100.0030.01416.58
8.3.90.0070.00726.77
8.3.80.0070.00418.43
8.3.70.0100.01016.75
8.3.60.0000.01516.63
8.3.50.0130.00520.99
8.3.40.0090.00618.74
8.3.30.0110.00318.68
8.3.20.0050.00221.64
8.3.10.0080.00021.73
8.3.00.0040.00423.66
8.2.290.0070.01120.26
8.2.280.0090.00918.40
8.2.270.0090.00918.82
8.2.260.0120.00616.67
8.2.250.0060.00318.35
8.2.240.0060.00317.14
8.2.230.0000.00920.94
8.2.220.0040.00424.06
8.2.210.0080.00026.77
8.2.200.0040.00416.38
8.2.190.0150.00616.58
8.2.180.0100.01016.48
8.2.170.0140.00722.96
8.2.160.0100.00320.53
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00519.44
8.2.120.0040.00426.35
8.2.110.0050.00522.01
8.2.100.0130.00017.59
8.2.90.0040.00417.75
8.2.80.0040.00417.97
8.2.70.0080.00017.80
8.2.60.0000.00718.03
8.2.50.0040.00418.10
8.2.40.0000.00719.23
8.2.30.0040.00421.02
8.2.20.0050.00218.08
8.2.10.0080.00018.13
8.2.00.0040.00417.75
8.1.330.0140.00421.66
8.1.320.0100.01015.90
8.1.310.0070.01018.24
8.1.300.0060.00323.79
8.1.290.0000.01030.84
8.1.280.0110.00725.92
8.1.270.0040.00423.96
8.1.260.0040.00428.09
8.1.250.0050.00228.09
8.1.240.0080.00023.84
8.1.230.0110.00420.25
8.1.220.0000.00817.79
8.1.210.0050.00318.77
8.1.200.0030.00517.10
8.1.190.0060.00317.23
8.1.180.0000.00818.10
8.1.170.0000.00818.61
8.1.160.0000.00722.09
8.1.150.0000.00818.85
8.1.140.0070.00019.46
8.1.130.0050.00217.63
8.1.120.0040.00317.29
8.1.110.0030.00517.36
8.1.100.0070.00017.34
8.1.90.0050.00217.35
8.1.80.0000.00817.27
8.1.70.0030.00317.27
8.1.60.0070.00017.52
8.1.50.0000.00817.44
8.1.40.0030.00617.44
8.1.30.0040.00417.53
8.1.20.0030.00617.51
8.1.10.0080.00017.46
8.1.00.0000.00717.46
8.0.300.0040.00419.58
8.0.290.0000.00716.88
8.0.280.0000.00718.38
8.0.270.0000.00717.25
8.0.260.0000.00717.24
8.0.250.0030.00316.91
8.0.240.0000.00716.98
8.0.230.0000.00716.93
8.0.220.0030.00316.75
8.0.210.0070.00016.79
8.0.200.0000.00616.96
8.0.190.0000.01116.87
8.0.180.0050.00216.75
8.0.170.0000.00716.97
8.0.160.0070.00016.82
8.0.150.0030.00316.75
8.0.140.0070.00016.74
8.0.130.0000.00913.26
8.0.120.0000.00816.81
8.0.110.0000.00716.70
8.0.100.0070.00016.75
8.0.90.0040.00416.84
8.0.80.0070.01416.82
8.0.70.0040.00416.90
8.0.60.0070.00016.71
8.0.50.0050.00316.82
8.0.30.0080.01217.15
8.0.20.0110.00817.40
8.0.10.0040.00416.80
8.0.00.0170.00316.91
7.4.330.0050.00015.55
7.4.320.0000.00616.52
7.4.300.0000.00616.48
7.4.290.0000.00716.50
7.4.280.0040.00416.46
7.4.270.0030.00316.57
7.4.260.0050.00216.34
7.4.250.0050.00316.41
7.4.240.0040.00416.45
7.4.230.0070.00016.27
7.4.220.0110.00816.39
7.4.210.0130.00716.54
7.4.200.0030.00316.27
7.4.160.0100.00616.41
7.4.150.0140.00317.40
7.4.140.0050.01417.86
7.4.130.0080.01116.48
7.4.120.0130.01016.49
7.4.110.0070.01016.43
7.4.100.0060.01216.59
7.4.90.0100.01316.46
7.4.80.0090.00919.39
7.4.70.0080.00816.41
7.4.60.0130.00316.39
7.4.50.0070.00516.23
7.4.40.0100.00716.36
7.4.30.0130.00716.57
7.4.00.0050.00314.95
7.3.330.0030.00313.05
7.3.320.0050.00013.06
7.3.310.0070.00016.04
7.3.300.0000.00716.30
7.3.290.0090.01016.34
7.3.280.0080.00816.24
7.3.270.0140.00417.40
7.3.260.0140.00316.32
7.3.250.0070.01016.26
7.3.240.0110.00916.35
7.3.230.0060.01216.39
7.3.210.0040.01216.49
7.3.200.0080.00816.47
7.3.190.0060.00916.24
7.3.180.0030.01416.40
7.3.170.0110.00616.65
7.3.160.0040.01716.28
7.2.330.0070.01016.51
7.2.320.0120.00616.69
7.2.310.0160.03816.38
7.2.300.0100.01016.33
7.2.290.0130.00616.61
7.2.60.0110.00616.65
7.2.00.0060.01019.14
7.1.200.0040.00815.70
7.1.70.0000.00716.96
7.1.60.0030.00717.16
7.1.00.0030.07722.48
7.0.200.0270.00614.53
7.0.120.0400.06020.32
7.0.110.0370.05720.37
7.0.100.0370.05320.31
7.0.90.0230.05320.25
7.0.80.0500.05020.24
7.0.70.0400.06020.25
7.0.60.0370.06319.99
7.0.50.0300.05320.28
7.0.40.0230.06320.27
7.0.30.0230.05720.17
7.0.20.0200.06020.33
7.0.10.0230.06020.16
7.0.00.0270.05320.30
5.6.270.0130.06020.87
5.6.260.0130.05720.84
5.6.250.0100.06021.05
5.6.240.0170.05321.04
5.6.230.0200.05021.10
5.6.220.0130.06021.02
5.6.210.0130.05020.98
5.6.200.0170.07020.99
5.6.190.0000.06720.80
5.6.180.0070.05721.02
5.6.170.0070.05721.04
5.6.160.0230.04020.82
5.6.150.0030.06321.06
5.6.140.0130.05320.91
5.6.130.0070.05721.01
5.6.120.0100.05720.98
5.6.110.0170.05720.99
5.6.100.0100.05720.84
5.6.90.0100.05321.04
5.6.80.0070.06020.13
5.6.70.0070.06020.46
5.6.60.0070.06020.30
5.6.50.0100.05320.15
5.6.40.0100.05720.28
5.6.30.0170.05020.36
5.6.20.0130.05020.15
5.6.10.0130.05020.36
5.6.00.0000.06020.08

preferences:
42.28 ms | 403 KiB | 5 Q