3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 3 => 1, 7 => 2, 5 => 3, 2 => 4, 0 => 5 ]; echo max(array_keys($array)); // 4 echo sizeof($array)-1; // 4 echo array_search(max($array), $array); // 4

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)
8.3.60.0120.00316.38
8.3.50.0100.00616.51
8.3.40.0150.00018.67
8.3.30.0110.00718.49
8.3.20.0030.00524.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.180.0060.00925.92
8.2.170.0100.01018.83
8.2.160.0130.00022.96
8.2.150.0080.00025.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.95
8.2.110.0070.00319.45
8.2.100.0040.00817.72
8.2.90.0050.00317.88
8.2.80.0050.00318.66
8.2.70.0000.00817.63
8.2.60.0000.00817.93
8.2.50.0000.00918.07
8.2.40.0050.00319.88
8.2.30.0040.00417.99
8.2.20.0060.00318.11
8.2.10.0070.00419.10
8.2.00.0000.00719.27
8.1.280.0110.00425.92
8.1.270.0070.00023.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00019.21
8.1.230.0080.00420.80
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.36
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0040.00418.62
8.1.160.0000.00718.97
8.1.150.0110.00018.85
8.1.140.0000.00718.92
8.1.130.0030.00520.10
8.1.120.0000.00817.35
8.1.110.0030.00517.44
8.1.100.0000.00717.34
8.1.90.0040.00417.50
8.1.80.0030.00617.44
8.1.70.0030.00317.43
8.1.60.0030.00617.63
8.1.50.0030.00517.47
8.1.40.0000.00917.50
8.1.30.0040.00417.66
8.1.20.0000.00717.51
8.1.10.0050.00317.41
8.1.00.0030.00617.30
8.0.300.0070.00018.77
8.0.290.0070.00016.63
8.0.280.0040.00420.23
8.0.270.0000.00818.06
8.0.260.0000.00718.53
8.0.250.0030.00316.88
8.0.240.0000.00716.90
8.0.230.0030.00316.86
8.0.220.0030.00316.69
8.0.210.0000.00716.80
8.0.200.0000.00616.87
8.0.190.0040.00416.75
8.0.180.0000.00716.88
8.0.170.0000.00816.90
8.0.160.0060.00316.88
8.0.150.0030.00516.86
8.0.140.0000.00716.77
8.0.130.0050.00013.32
8.0.120.0030.00616.88
8.0.110.0040.00416.88
8.0.100.0030.00516.83
8.0.90.0000.00716.92
8.0.80.0030.01416.77
8.0.70.0040.00416.92
8.0.60.0030.00616.71
8.0.50.0070.00016.70
8.0.30.0180.00416.90
8.0.20.0090.00916.89
8.0.10.0110.01116.89
8.0.00.0230.00416.93
7.4.330.0030.00315.55
7.4.320.0030.00316.61
7.4.300.0060.00016.64
7.4.290.0000.00716.45
7.4.280.0070.00016.57
7.4.270.0040.00416.60
7.4.260.0040.00213.27
7.4.250.0030.00316.47
7.4.240.0020.00516.48
7.4.230.0040.00416.39
7.4.220.0050.00216.66
7.4.210.0090.00716.55
7.4.200.0030.00316.39
7.4.160.0120.01016.68
7.4.150.0110.00416.62
7.4.140.0140.00616.39
7.4.130.0120.01216.32
7.4.120.0100.01316.46
7.4.110.0090.00916.61
7.4.100.0150.00916.20
7.4.90.0260.00816.55
7.4.80.0200.00716.48
7.4.70.0060.01516.46
7.4.60.0270.00416.49
7.4.50.0180.01416.23
7.4.40.0050.01416.31
7.4.30.0250.00616.29
7.4.20.0060.02216.37
7.4.10.0140.00916.47
7.4.00.0110.00316.54
7.3.330.0040.00416.04
7.3.320.0030.00313.13
7.3.310.0040.00416.19
7.3.300.0070.00016.23
7.3.290.0050.01016.24
7.3.280.0080.00816.25
7.3.270.0150.00516.18
7.3.260.0060.01916.14
7.3.250.0210.00516.21
7.3.240.0170.00716.09
7.3.230.0140.01016.16
7.3.220.0200.00616.16
7.3.210.0140.01116.13
7.3.200.0080.00816.18
7.3.190.0060.01316.13
7.3.180.0180.00916.23
7.3.170.0130.01016.16
7.3.160.0140.00716.24
7.3.150.0160.01316.12
7.3.140.0240.00016.14
7.3.130.0130.00316.14
7.3.120.0150.00516.17
7.3.110.0180.00616.02
7.3.100.0100.01016.09
7.3.90.0180.00416.28
7.3.80.0110.00716.03
7.3.70.0080.00816.27
7.3.60.0170.00816.45
7.3.50.0200.00516.30
7.3.40.0130.00316.29
7.3.30.0120.01216.29
7.3.20.0100.00616.32
7.3.10.0090.01316.26
7.3.00.0150.00416.21

preferences:
60.74 ms | 401 KiB | 5 Q