3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array( '', false, null, 0, 0.4, -.1, "\0" ); $arr = array_flip($arr); $arr = array_keys($arr); print_r($arr);

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)
8.4.130.0110.00818.46
8.4.120.0040.00424.05
8.4.110.0090.01018.83
8.4.100.0080.00618.70
8.4.90.0040.00522.42
8.4.80.0130.00720.26
8.4.70.0130.00718.79
8.4.60.0140.00720.51
8.4.50.0120.00520.28
8.4.40.0110.00720.53
8.4.30.0170.00322.12
8.4.20.0060.00918.72
8.4.10.0090.00623.91
8.3.260.0060.00316.60
8.3.250.0100.00918.86
8.3.240.0090.00716.97
8.3.230.0110.00916.83
8.3.220.0080.00918.98
8.3.210.0050.00216.68
8.3.200.0080.00816.61
8.3.190.0140.00218.91
8.3.180.0040.00418.67
8.3.170.0130.00316.96
8.3.160.0040.00418.42
8.3.150.0120.00316.71
8.3.140.0090.00017.03
8.3.130.0100.00618.61
8.3.120.0090.00018.72
8.3.110.0080.00020.94
8.3.100.0040.00416.38
8.3.90.0030.00626.77
8.3.80.0100.00617.97
8.3.70.0040.01116.58
8.3.60.0110.01116.88
8.3.50.0110.00416.54
8.3.40.0150.00421.90
8.3.30.0140.00418.46
8.3.20.0140.00024.18
8.3.10.0080.00024.66
8.3.00.0000.00826.16
8.2.290.0030.00520.27
8.2.280.0050.00320.05
8.2.270.0080.00016.60
8.2.260.0040.00418.25
8.2.250.0130.00618.53
8.2.240.0030.00617.06
8.2.230.0100.00022.58
8.2.220.0090.00024.06
8.2.210.0060.00326.77
8.2.200.0060.00316.50
8.2.190.0110.01116.75
8.2.180.0110.00325.92
8.2.170.0070.00719.01
8.2.160.0110.00422.96
8.2.150.0070.00025.66
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00019.32
8.2.110.0050.00519.30
8.2.100.0110.00017.78
8.2.90.0050.00317.84
8.2.80.0000.00918.01
8.2.70.0000.00817.50
8.2.60.0150.00417.38
8.2.50.0110.00617.31
8.2.40.0110.00717.31
8.2.30.0100.00817.31
8.2.20.0150.00317.19
8.2.10.0110.00817.38
8.2.00.0170.00017.50
8.1.330.0130.00621.74
8.1.320.0120.00615.98
8.1.310.0080.00016.17
8.1.300.0090.00616.04
8.1.290.0040.00430.84
8.1.280.0110.00325.92
8.1.270.0110.00424.66
8.1.260.0050.00326.35
8.1.250.0070.00728.09
8.1.240.0070.00320.70
8.1.230.0000.01120.91
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0000.00817.11
8.1.190.0120.00416.87
8.1.180.0120.00616.80
8.1.170.0100.00617.05
8.1.160.0090.00717.13
8.1.150.0110.00617.06
8.1.140.0040.01217.00
8.1.130.0090.00717.17
8.1.120.0090.00817.17
8.1.110.0120.00417.18
8.1.100.0090.00716.88
8.1.90.0090.00717.06
8.1.80.0100.00616.94
8.1.70.0090.00817.30
8.1.60.0180.00517.19
8.1.50.0120.00517.13
8.1.40.0160.00217.23
8.1.30.0120.00717.06
8.1.20.0150.00317.13
8.1.10.0120.00517.12
8.1.00.0130.00517.30
8.0.300.0040.00419.96
8.0.290.0080.00016.63
8.0.280.0130.00416.57
8.0.270.0040.01216.57
8.0.260.0140.00316.52
8.0.250.0110.00416.81
8.0.240.0080.00816.63
8.0.230.0100.00916.52
8.0.220.0140.00316.52
8.0.210.0120.00416.52
8.0.200.0110.00616.62
8.0.190.0110.00516.75
8.0.180.0090.00816.63
8.0.170.0110.00416.63
8.0.160.0140.00216.52
8.0.150.0120.00516.63
8.0.140.0120.00516.52
8.0.130.0130.00516.57
8.0.120.0130.00416.52
8.0.110.0040.01216.57
8.0.100.0110.00516.52
8.0.90.0100.00816.52
8.0.80.0130.00316.52
8.0.70.0080.00816.52
8.0.60.0070.00816.52
8.0.50.0110.00416.52
8.0.30.0090.00616.52
8.0.20.0100.00516.52
8.0.10.0110.00416.52
8.0.00.0140.00316.63
7.4.330.0070.00716.52
7.4.320.0120.00816.52
7.4.300.0080.01116.52
7.4.290.0100.00716.52
7.4.280.0160.00016.52
7.4.270.0170.00016.52
7.4.260.0110.00416.52
7.4.250.0160.00016.52
7.4.240.0070.00716.52
7.4.230.0130.00216.52
7.4.220.0140.00016.52
7.4.210.0090.00516.52
7.4.200.0140.00016.52
7.4.190.0120.00316.52
7.4.180.0120.00316.52
7.4.160.0080.00816.52
7.4.150.0080.00816.52
7.4.140.0090.00616.52
7.4.130.0070.00716.52
7.4.120.0050.01016.52
7.4.110.0090.00516.52
7.4.100.0090.00516.52
7.4.90.0110.00416.52
7.4.80.0090.00616.52
7.4.70.0100.00616.52
7.4.60.0200.00016.52
7.4.50.0120.00416.52
7.4.40.0110.00416.52
7.4.30.0050.01016.52
7.4.20.0080.00816.52
7.4.10.0160.00016.52
7.4.00.0110.00316.52
7.3.330.0050.01016.52
7.3.320.0040.01116.52
7.3.310.0110.00416.52
7.3.300.0100.00516.52
7.3.290.0070.00716.52
7.3.280.0070.00716.52
7.3.270.0100.00516.52
7.3.260.0080.00816.52
7.3.250.0070.00716.52
7.3.240.0110.00416.52
7.3.230.0080.00616.52
7.3.220.0120.00216.52
7.3.210.0150.00016.52
7.3.200.0120.00416.52
7.3.190.0170.00016.52
7.3.180.0080.00816.52
7.3.170.0120.00416.52
7.3.160.0160.00016.52
7.3.150.0160.00016.52
7.3.140.0170.00016.52
7.3.130.0080.00816.52
7.3.120.0110.00316.52
7.3.110.0110.00416.52
7.3.100.0080.00816.52
7.3.90.0130.00316.52
7.3.80.0120.00216.52
7.3.70.0070.00716.52
7.3.60.0090.00616.52
7.3.50.0120.00316.52
7.3.40.0070.00716.52
7.3.30.0130.00216.52
7.3.20.0070.00716.52
7.3.10.0110.00416.52
7.3.00.0110.00516.52
7.2.340.0120.00316.52
7.2.330.0100.00516.52
7.2.320.0100.00716.52
7.2.310.0150.00016.52
7.2.300.0160.00016.52
7.2.290.0110.00416.52
7.2.280.0150.00016.52
7.2.270.0100.00516.52
7.2.260.0150.00016.52
7.2.250.0080.00816.52
7.2.240.0090.00616.52
7.2.230.0100.00716.52
7.2.220.0110.00416.52
7.2.210.0090.00516.52
7.2.200.0120.00316.52
7.2.190.0150.00016.52
7.2.180.0050.00916.52
7.2.170.0100.00516.52
7.2.160.0040.01116.52
7.2.150.0120.00616.52
7.2.140.0150.00016.52
7.2.130.0110.00516.52
7.2.120.0120.00316.52
7.2.110.0210.00416.52
7.2.100.0110.00516.52
7.2.90.0140.00416.52
7.2.80.0110.00516.52
7.2.70.0150.00016.52
7.2.60.0050.01016.52
7.2.50.0150.00016.52
7.2.40.0130.00316.52
7.2.30.0130.00316.52
7.2.20.0160.00016.52
7.2.10.0100.00516.52
7.2.00.0090.00616.52
7.1.330.0120.00316.52
7.1.320.0150.00316.52
7.1.310.0130.00416.52
7.1.300.0120.00416.52
7.1.290.0110.00416.52
7.1.280.0140.00016.52
7.1.270.0100.00316.52
7.1.260.0160.00016.52
7.1.250.0100.00516.52
7.1.240.0050.01016.52
7.1.230.0260.00916.52
7.1.220.0140.00016.52
7.1.210.0140.00016.52
7.1.200.0120.00316.52
7.1.190.0050.01016.52
7.1.180.0090.00516.52
7.1.170.0110.00416.52
7.1.160.0070.00716.52
7.1.150.0070.00716.52
7.1.140.0140.00016.52
7.1.130.0120.00416.52
7.1.120.0000.01516.52
7.1.110.0000.01416.52
7.1.100.0120.00216.52
7.1.90.0080.00516.52
7.1.80.0090.00516.52
7.1.70.0150.00016.52
7.1.60.0150.00016.52
7.1.50.0100.00316.52
7.1.40.0120.00216.52
7.1.30.0110.00416.52
7.1.20.0110.00416.52
7.1.10.0360.00316.52
7.1.00.0120.00616.52
7.0.330.0130.00316.52
7.0.320.0070.00716.52
7.0.310.0140.00016.52
7.0.300.0070.00716.52
7.0.290.0140.00016.52
7.0.280.0070.00716.52
7.0.270.0100.00316.52
7.0.260.0140.00016.52
7.0.250.0120.00316.52
7.0.240.0130.00016.52
7.0.230.0110.00316.52
7.0.220.0140.00016.52
7.0.210.0090.00416.52
7.0.200.0080.00616.52
7.0.190.0110.00316.52
7.0.180.0090.00416.52
7.0.170.0070.00716.52
7.0.160.0140.00016.52
7.0.150.0040.01116.52
7.0.140.0130.00316.52
7.0.130.0320.00416.52
7.0.120.0110.00316.52
7.0.110.0120.00316.52
7.0.100.0110.00416.52
7.0.90.0090.00516.52
7.0.80.0070.00716.52
7.0.70.0140.00016.52
7.0.60.0070.00716.52
7.0.50.0150.00216.52
7.0.40.0100.00316.52
7.0.30.0140.00316.52
7.0.20.0110.00416.52
7.0.10.0100.00516.52
7.0.00.0110.00416.52
5.6.400.0080.00616.52
5.6.390.0090.00516.52
5.6.380.0090.00416.52
5.6.370.0130.00016.52
5.6.360.0100.00316.52
5.6.350.0130.00016.52
5.6.340.0050.00816.52
5.6.330.0100.00316.52
5.6.320.0120.00016.52
5.6.310.0080.00416.52
5.6.300.0080.00516.52
5.6.290.0130.00016.52
5.6.280.0060.00616.52
5.6.270.0030.00916.52
5.6.260.0080.00416.52
5.6.250.0100.00316.52
5.6.240.0120.00016.52
5.6.230.0100.00316.52
5.6.220.0130.00016.52
5.6.210.0130.00016.52
5.6.200.0070.00716.52
5.6.190.0060.00616.52
5.6.180.0090.00416.52
5.6.170.0130.00016.52
5.6.160.0080.00416.52
5.6.150.0130.00016.52
5.6.140.0030.01016.52
5.6.130.0160.00016.52
5.6.120.0130.00016.52
5.6.110.0110.00516.52
5.6.100.0100.00316.52
5.6.90.0140.00016.52
5.6.80.0120.00016.52
5.6.70.0070.00516.52
5.6.60.0060.00616.52
5.6.50.0130.00016.52
5.6.40.0120.00016.52
5.6.30.0100.00216.52
5.6.20.0120.00016.52
5.6.10.0090.00416.52
5.6.00.0040.00816.52
5.5.380.0080.00516.52
5.5.370.0070.00716.52
5.5.360.0090.00516.52
5.5.350.0030.01016.52
5.5.340.0080.00416.52
5.5.330.0080.00416.52
5.5.320.0060.00616.52
5.5.310.0140.00016.52
5.5.300.0050.00916.52
5.5.290.0130.00016.52
5.5.280.0060.00616.52
5.5.270.0120.00016.52
5.5.260.0130.00016.52
5.5.250.0090.00416.52
5.5.240.0090.00416.52
5.5.230.0100.00316.52
5.5.220.0080.00416.52
5.5.210.0120.00016.52
5.5.200.0170.00016.52
5.5.190.0100.00316.52
5.5.180.0140.00016.52
5.5.170.0070.00516.52
5.5.160.0080.00416.52
5.5.150.0090.00416.52
5.5.140.0100.00316.52
5.5.130.0100.00316.52
5.5.120.0080.00416.52
5.5.110.0080.00416.52
5.5.100.0040.00816.52
5.5.90.0120.00016.52
5.5.80.0130.00016.52
5.5.70.0120.00016.52
5.5.60.0060.00616.52
5.5.50.0120.00016.52
5.5.40.0030.00916.52
5.5.30.0120.00016.52
5.5.20.0090.00316.52
5.5.10.0120.00016.52
5.5.00.0080.00416.52
5.4.450.0060.00616.52
5.4.440.0100.00016.52
5.4.430.0030.00616.52
5.4.420.0000.01016.52
5.4.410.0030.00716.52
5.4.400.0070.00316.52
5.4.390.0040.00716.52
5.4.380.0060.00616.52
5.4.370.0100.00016.52
5.4.360.0110.00016.52
5.4.350.0100.00016.52
5.4.340.0050.00516.52
5.4.330.0050.00516.52
5.4.320.0050.00516.52
5.4.310.0100.00016.52
5.4.300.0070.00416.52
5.4.290.0080.00816.52
5.4.280.0090.00216.52
5.4.270.0110.00016.52
5.4.260.0070.00416.52
5.4.250.0040.00716.52
5.4.240.0050.00516.52
5.4.230.0100.00016.52
5.4.220.0030.00716.52
5.4.210.0120.00016.52
5.4.200.0100.00016.52
5.4.190.0000.01116.52
5.4.180.0110.00016.52
5.4.170.0110.00016.52
5.4.160.0100.00016.52
5.4.150.0080.00316.52
5.4.140.0060.00316.52
5.4.130.0060.00316.52
5.4.120.0100.00016.52
5.4.110.0100.00016.52
5.4.100.0050.00516.52
5.4.90.0070.00216.52
5.4.80.0100.00016.52
5.4.70.0100.00016.52
5.4.60.0060.00316.52
5.4.50.0000.00916.52
5.4.40.0070.00316.52
5.4.30.0060.00316.52
5.4.20.0060.00316.52
5.4.10.0050.00516.52
5.4.00.0000.00916.52
5.3.290.0070.00416.52
5.3.280.0090.00016.52
5.3.270.0090.00216.52
5.3.260.0080.00316.52
5.3.250.0100.00016.52
5.3.240.0100.00016.52
5.3.230.0060.00316.52
5.3.220.0080.00316.52
5.3.210.0070.00416.52
5.3.200.0060.00616.52
5.3.190.0100.00016.52
5.3.180.0070.00316.52
5.3.170.0050.00516.52
5.3.160.0070.00316.52
5.3.150.0100.00016.52
5.3.140.0100.00016.52
5.3.130.0100.00016.52
5.3.120.0060.00316.52
5.3.110.0070.00316.52
5.3.100.0110.00016.52
5.3.90.0060.00316.52
5.3.80.0070.00216.52
5.3.70.0050.00516.52
5.3.60.0050.00516.52
5.3.50.0030.00616.52
5.3.40.0090.00016.52
5.3.30.0050.00516.52
5.3.20.0050.00516.52
5.3.10.0050.00516.52
5.3.00.0040.00416.52
5.2.170.0080.00016.52
5.2.160.0000.00816.52
5.2.150.0040.00416.52
5.2.140.0060.00216.52
5.2.130.0080.00016.52
5.2.120.0050.00516.52
5.2.110.0080.00016.52
5.2.100.0090.00016.52
5.2.90.0080.00016.52
5.2.80.0060.00216.52
5.2.70.0080.00016.52
5.2.60.0060.00316.52
5.2.50.0030.00616.52
5.2.40.0000.00816.52
5.2.30.0040.00416.52
5.2.20.0080.00016.52
5.2.10.0030.00516.52
5.2.00.0000.00816.52
5.1.60.0070.00016.52
5.1.50.0000.00716.52
5.1.40.0070.00016.52
5.1.30.0000.00816.52
5.1.20.0050.00216.52
5.1.10.0070.00016.52
5.1.00.0070.00016.52
5.0.50.0000.00616.52
5.0.40.0040.00416.52
5.0.30.0100.00016.52
5.0.20.0000.00616.52
5.0.10.0060.00016.52
5.0.00.0040.00216.52
4.4.90.0030.00016.52
4.4.80.0030.00016.52
4.4.70.0020.00216.52
4.4.60.0030.00016.52
4.4.50.0030.00016.52
4.4.40.0000.00416.52
4.4.30.0030.00016.52
4.4.20.0040.00016.52
4.4.10.0030.00016.52
4.4.00.0030.00016.52
4.3.110.0040.00016.52
4.3.100.0030.00016.52
4.3.90.0040.00016.52
4.3.80.0000.00416.52
4.3.70.0030.00016.52
4.3.60.0040.00016.52
4.3.50.0030.00016.52
4.3.40.0000.00416.52
4.3.30.0000.00316.52
4.3.20.0030.00016.52
4.3.10.0000.00216.52
4.3.00.0000.00216.52

preferences:
60.61 ms | 403 KiB | 5 Q