3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = [ 'q','w', 'e', 'r' => 'vfbf' ]; function isAssociativeArray($array) { krsort($array, SORT_STRING); return !is_numeric(key($array)); } var_dump(isAssociativeArray($data));

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)
8.3.60.0110.00418.42
8.3.50.0000.01418.04
8.3.40.0090.01218.73
8.3.30.0070.01018.50
8.3.20.0050.00318.89
8.3.10.0080.00018.98
8.3.00.0080.00017.68
8.2.180.0100.01018.41
8.2.170.0070.00722.96
8.2.160.0060.00918.90
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00419.95
8.2.120.0040.00426.35
8.2.110.0030.00620.53
8.2.100.0040.00818.22
8.2.90.0040.00417.75
8.2.80.0030.00618.80
8.2.70.0000.00918.04
8.2.60.0080.00017.93
8.2.50.0000.00818.10
8.2.40.0000.00719.38
8.2.30.0050.00319.42
8.2.20.0000.00818.15
8.2.10.0000.00717.92
8.2.00.0000.00719.29
8.1.280.0030.01025.92
8.1.270.0040.00423.88
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0140.00423.79
8.1.230.0110.00021.03
8.1.220.0030.00518.64
8.1.210.0080.00018.77
8.1.200.0120.00017.35
8.1.190.0040.00417.23
8.1.180.0000.00718.10
8.1.170.0060.00318.49
8.1.160.0050.00518.92
8.1.150.0000.00719.00
8.1.140.0000.00717.68
8.1.130.0070.00019.04
8.1.120.0070.00017.45
8.1.110.0040.00417.40
8.1.100.0030.00517.46
8.1.90.0040.00417.32
8.1.80.0040.00417.45
8.1.70.0080.00017.41
8.1.60.0000.00717.61
8.1.50.0040.00417.42
8.1.40.0040.00417.54
8.1.30.0030.00517.68
8.1.20.0000.00717.59
8.1.10.0090.00017.50
8.1.00.0030.00517.31
8.0.300.0000.00718.77
8.0.290.0000.00816.63
8.0.280.0030.00318.44
8.0.270.0030.00317.29
8.0.260.0040.00717.30
8.0.250.0030.00316.93
8.0.240.0000.00616.82
8.0.230.0090.00016.85
8.0.220.0030.00316.88
8.0.210.0030.00316.89
8.0.200.0000.00716.98
8.0.190.0000.00816.96
8.0.180.0030.00516.88
8.0.170.0040.00416.86
8.0.160.0040.00416.88
8.0.150.0040.00416.87
8.0.140.0050.00316.82
8.0.130.0030.00313.36
8.0.120.0040.00416.80
8.0.110.0000.00716.84
8.0.100.0080.00016.75
8.0.90.0070.00016.95
8.0.80.0120.00416.84
8.0.70.0040.00416.86
8.0.60.0000.00716.75
8.0.50.0000.00816.85
8.0.30.0100.00817.14
8.0.20.0130.00617.40
8.0.10.0080.00016.99
8.0.00.0110.00616.76
7.4.330.0000.00415.55
7.4.320.0030.00316.64
7.4.300.0030.00316.43
7.4.290.0070.00016.37
7.4.280.0070.00016.57
7.4.270.0030.00316.57
7.4.260.0040.00416.52
7.4.250.0000.00716.43
7.4.240.0070.00016.41
7.4.230.0000.00716.56
7.4.220.0040.00416.42
7.4.210.0070.01016.53
7.4.200.0040.00416.38
7.4.160.0080.00916.52
7.4.140.0110.00717.86
7.4.130.0070.01116.46
7.4.120.0080.00916.55
7.4.110.0100.00716.41
7.4.100.0110.00616.40
7.4.90.0140.00716.38
7.4.80.0060.01219.39
7.4.70.0000.01716.45
7.4.60.0030.01416.70
7.4.50.0060.00616.50
7.4.40.0050.01116.55
7.4.00.0060.01114.92
7.3.330.0020.00213.27
7.3.320.0030.00313.31
7.3.310.0000.00616.14
7.3.300.0000.00716.26
7.3.290.0000.00616.25
7.3.280.0060.00916.23
7.3.260.0070.01216.39
7.3.240.0090.00716.30
7.3.230.0160.00316.36
7.3.210.0100.00716.30
7.3.200.0070.01016.38
7.3.190.0130.00316.41
7.3.180.0140.00716.50
7.3.170.0070.01116.30
7.3.160.0040.01416.38
7.3.120.0100.00617.15
7.3.110.0030.00717.15
7.3.100.0060.00917.15
7.3.90.0070.01017.15
7.3.80.0120.00317.15
7.3.70.0060.00917.15
7.3.60.0040.01117.15
7.3.50.0070.01017.15
7.3.40.0110.00417.15
7.3.30.0060.00617.15
7.3.20.0040.00817.15
7.3.10.0090.00616.87
7.3.00.0050.00816.89
7.2.330.0060.01216.63
7.2.320.0130.00616.48
7.2.310.0090.01416.57
7.2.300.0120.00616.48
7.2.290.0110.01016.56
7.2.240.0060.01217.15
7.2.230.0080.00817.15
7.2.220.0040.00817.15
7.2.210.0030.01017.15
7.2.200.0100.00317.15
7.2.190.0100.00617.15
7.2.180.0090.00617.15
7.2.170.0080.00417.15
7.2.160.0030.00717.15
7.2.150.0100.00617.15
7.2.140.0040.00717.15
7.2.130.0080.00716.96
7.2.120.0030.01017.03
7.2.110.0050.01017.02
7.2.100.0030.00916.96
7.2.90.0100.00517.03
7.2.80.0060.00917.04
7.2.70.0100.00416.86
7.2.60.1000.00816.23
7.2.50.0700.00916.31
7.2.40.0860.00516.43
7.2.30.0940.00716.41
7.2.20.1060.01016.43
7.2.10.0860.00716.39
7.2.00.0950.01016.46
7.1.330.0000.01217.15
7.1.320.0070.01017.15
7.1.310.0040.00417.15
7.1.300.0060.00917.15
7.1.290.0070.01117.15
7.1.280.0030.01317.15
7.1.270.0090.00317.15
7.1.260.0090.00617.15
7.1.250.0030.01116.29
7.1.200.0030.00915.63
7.1.170.2250.00813.67
7.1.160.2790.01216.55
7.1.150.2700.01116.85
7.1.140.2820.01216.79
7.1.130.2880.01016.77
7.1.120.2550.01016.39
7.1.110.2780.01216.18
7.1.100.2690.01116.20
7.1.90.2430.01316.24
7.1.80.2610.01316.23
7.1.70.2580.01115.26
7.1.60.2510.01033.28
7.1.50.2650.01732.98
7.1.40.2480.01532.77
7.1.30.2270.01332.50
7.1.20.2830.01032.68
7.1.10.2550.00714.66
7.1.00.2860.01415.05

preferences:
60.3 ms | 400 KiB | 5 Q