3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ ["userid" => 1], ["userid" => 2], ["userid" => 3], ]; $a = array_map("array_flip", $a); print_r($a);

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)
8.3.70.0130.00616.50
8.3.60.0100.00718.36
8.3.50.0100.00318.04
8.3.40.0040.01118.43
8.3.30.0090.00618.38
8.3.20.0040.00421.83
8.3.10.0030.00518.37
8.3.00.0080.00019.25
8.2.190.0110.00718.48
8.2.180.0120.00316.63
8.2.170.0150.00618.83
8.2.160.0140.00022.96
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0030.00526.16
8.2.120.0030.00521.11
8.2.110.0090.00019.17
8.2.100.0030.00717.78
8.2.90.0090.00220.51
8.2.80.0050.00317.97
8.2.70.0040.00417.80
8.2.60.0040.00418.22
8.2.50.0080.00018.10
8.2.40.0050.00321.14
8.2.30.0030.00619.11
8.2.20.0030.00618.02
8.2.10.0050.00219.42
8.2.00.0000.00717.91
8.1.280.0070.00725.92
8.1.270.0040.00420.29
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0110.00721.95
8.1.230.0000.01120.99
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0050.00317.25
8.1.190.0060.00317.10
8.1.180.0030.00618.10
8.1.170.0060.00318.64
8.1.160.0040.00418.82
8.1.150.0000.00718.74
8.1.140.0050.00220.17
8.1.130.0050.00320.17
8.1.120.0100.00618.02
8.1.110.0120.00117.92
8.1.100.0120.00217.96
8.1.90.0110.00217.95
8.1.80.0090.00517.98
8.1.70.0060.00617.99
8.1.60.0120.00418.07
8.1.50.0070.00818.07
8.1.40.0140.00417.88
8.1.30.0080.00917.98
8.1.20.0110.00717.94
8.1.10.0110.00717.82
8.1.00.0140.00417.77
8.0.300.0040.00419.91
8.0.290.0080.00016.63
8.0.280.0030.00318.27
8.0.270.0030.00317.11
8.0.260.0150.00217.99
8.0.250.0040.00717.38
8.0.240.0090.00417.43
8.0.230.0080.00417.45
8.0.220.0040.00617.36
8.0.210.0030.00817.29
8.0.200.0070.00617.45
8.0.190.0060.00517.41
8.0.180.0070.00517.46
8.0.170.0080.00617.15
8.0.160.0110.00417.19
8.0.150.0090.00717.15
8.0.140.0100.00517.15
8.0.130.0080.00416.24
8.0.120.0050.00917.13
8.0.110.0100.00417.11
8.0.100.0090.00517.10
8.0.90.0060.00617.12
8.0.80.0100.00617.01
8.0.70.0110.00317.02
8.0.60.0080.00617.07
8.0.50.0070.00517.05
8.0.30.0090.00617.11
8.0.20.0110.00517.16
8.0.10.0070.00717.23
8.0.00.0070.00916.93
7.4.330.0060.00318.18
7.4.320.0090.00417.08
7.4.300.0060.00516.97
7.4.290.0030.00717.10
7.4.280.0110.00416.84
7.4.270.0060.00816.86
7.4.260.0100.00516.78
7.4.250.0070.00716.79
7.4.240.0120.00416.82
7.4.230.0090.00316.69
7.4.220.0060.00516.61
7.4.210.0060.00716.56
7.4.200.0070.00316.77
7.4.190.0090.00316.87
7.4.180.0110.00216.88
7.4.160.0070.00716.69
7.4.150.0070.00716.82
7.4.140.0090.00417.04
7.4.130.0070.00716.55
7.4.120.0030.01016.58
7.4.110.0080.00516.47
7.4.100.0080.00716.77
7.4.90.0110.00316.63
7.4.80.0090.00617.39
7.4.70.0090.00616.52
7.4.60.0070.00816.67
7.4.50.0070.00616.52
7.4.40.0060.00816.45
7.4.30.0090.00616.51
7.4.20.0100.00416.54
7.4.10.0080.00516.58
7.4.00.0070.00816.04
7.3.330.0070.00515.31
7.3.320.0110.00415.40
7.3.310.0090.00616.52
7.3.300.0080.00516.42
7.3.290.0120.00316.39
7.3.280.0110.00616.25
7.3.270.0070.00816.44
7.3.260.0100.00816.30
7.3.250.0120.00416.47
7.3.240.0100.00716.41
7.3.230.0080.00716.34
7.3.220.0110.00516.52
7.3.210.0120.00516.33
7.3.200.0140.00217.13
7.3.190.0100.00716.36
7.3.180.0090.00816.43
7.3.170.0100.00716.38
7.3.160.0100.00616.38
7.3.150.0090.00716.36
7.3.140.0130.00316.39
7.3.130.0130.00316.32
7.3.120.0090.00715.98
7.3.110.0120.00515.97
7.3.100.0080.00716.05
7.3.90.0060.01016.14
7.3.80.0110.00415.98
7.3.70.0070.00716.08
7.3.60.0070.00815.86
7.3.50.0090.00515.61
7.3.40.0080.00815.68
7.3.30.0090.00615.65
7.3.20.0860.01016.27
7.3.10.0600.00616.10
7.3.00.0650.00816.21
7.2.340.0090.00816.52
7.2.330.0070.01116.50
7.2.320.0100.00816.53
7.2.310.0120.00616.55
7.2.300.0130.00616.50
7.2.290.0120.00616.57
7.2.280.0100.00716.50
7.2.270.0110.00616.45
7.2.260.0090.00916.46
7.2.250.0090.00816.28
7.2.240.0130.00616.12
7.2.230.0100.00716.30
7.2.220.0090.00816.27
7.2.210.0120.00416.11
7.2.200.0110.00616.17
7.2.190.0090.00815.90
7.2.180.0080.00815.75
7.2.170.0070.00815.84
7.2.160.0110.00815.96
7.2.150.0800.00716.35
7.2.140.0810.00816.44
7.2.130.0860.00616.42
7.2.120.1110.00716.39
7.2.110.1310.00516.40
7.2.100.0990.00616.39
7.2.90.1050.00616.36
7.2.80.0630.00816.41
7.2.70.0890.00616.35
7.2.60.0800.00916.46
7.2.50.0810.00716.33
7.2.40.0880.00716.37
7.2.30.0810.00816.37
7.2.20.0980.00616.31
7.2.10.0610.00616.43
7.2.00.1040.01016.36
7.1.330.0150.00716.53
7.1.320.0130.00516.41
7.1.310.0110.00716.42
7.1.300.0110.00815.89
7.1.290.0120.00715.91
7.1.280.0200.00515.68
7.1.270.0140.00515.66
7.1.260.0120.00715.61
7.1.250.1120.00615.38
7.1.240.0350.00616.05
7.1.230.0190.00315.94
7.1.220.0170.00416.00
7.1.210.0160.00616.03
7.1.200.0170.00316.04
7.1.190.0170.00515.93
7.1.180.0150.00615.95
7.1.170.0180.00815.98
7.1.160.0160.00615.97
7.1.150.0150.00616.09
7.1.140.0180.00515.96
7.1.130.0130.00715.93
7.1.120.0200.00316.02
7.1.110.0150.00615.96
7.1.100.0170.00515.93
7.1.90.0300.00715.96
7.1.80.0170.00515.99
7.1.70.0170.00515.85
7.1.60.0190.00515.90
7.1.50.0160.00615.98
7.1.40.0150.00616.03
7.1.30.0140.00415.98
7.1.20.0140.00415.90
7.1.10.0150.00415.99
7.1.00.0170.00615.91
5.5.380.0070.00479.33

preferences:
40.94 ms | 401 KiB | 5 Q