3v4l.org

run code in 300+ PHP versions simultaneously
<?php function checkDuplicatesInArray($array){ $duplicates=FALSE; foreach($array as $k=>$i){ if(!isset($value_{$i})){ $value_{$i}=TRUE; } else{ $duplicates|=TRUE; } } return ($duplicates); } var_export(checkDuplicatesInArray([1, 1.5]));

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)
8.3.70.0130.00716.63
8.3.60.0030.01316.47
8.3.50.0120.00616.30
8.3.40.0130.00618.72
8.3.30.0060.00818.72
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.180.0140.00425.92
8.2.170.0090.00618.79
8.2.160.0100.00722.96
8.2.150.0080.00025.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00226.35
8.2.110.0160.00022.16
8.2.100.0000.01217.72
8.2.90.0060.00319.63
8.2.80.0050.00317.97
8.2.70.0060.00317.67
8.2.60.0040.00417.91
8.2.50.0090.00018.10
8.2.40.0000.00819.36
8.2.30.0000.00719.13
8.2.20.0030.00517.95
8.2.10.0080.00019.00
8.2.00.0040.00419.13
8.1.280.0130.00725.92
8.1.270.0000.00823.99
8.1.260.0000.00928.09
8.1.250.0080.00028.09
8.1.240.0080.00023.92
8.1.230.0030.00721.04
8.1.220.0000.00817.74
8.1.210.0000.00818.91
8.1.200.0080.00017.22
8.1.190.0060.00317.10
8.1.180.0040.00418.10
8.1.170.0030.00618.52
8.1.160.0050.00218.91
8.1.150.0030.00318.82
8.1.140.0070.00018.77
8.1.130.0030.00319.95
8.1.120.0030.00317.23
8.1.110.0050.00317.38
8.1.100.0080.00017.39
8.1.90.0000.00817.32
8.1.80.0000.00917.21
8.1.70.0050.00217.39
8.1.60.0080.00017.41
8.1.50.0030.00617.34
8.1.40.0030.00617.40
8.1.30.0030.00817.53
8.1.20.0020.00517.44
8.1.10.0040.00717.41
8.1.00.0050.00217.34
8.0.300.0040.00419.66
8.0.290.0000.00716.58
8.0.280.0000.00818.32
8.0.270.0040.00416.76
8.0.260.0000.00618.58
8.0.250.0040.00416.77
8.0.240.0060.00016.77
8.0.230.0030.00316.91
8.0.220.0000.00716.84
8.0.210.0040.00416.80
8.0.200.0040.00416.92
8.0.190.0040.00416.91
8.0.180.0000.00716.78
8.0.170.0050.00316.77
8.0.160.0030.00316.79
8.0.150.0000.00716.78
8.0.140.0040.00716.66
8.0.130.0000.00613.21
8.0.120.0040.00416.88
8.0.110.0060.00316.83
8.0.100.0070.00016.68
8.0.90.0000.00716.78
8.0.80.0090.00816.81
8.0.70.0050.00316.74
8.0.60.0070.00016.95
8.0.50.0040.00416.79
8.0.30.0070.01016.92
8.0.20.0060.01216.91
8.0.10.0080.00016.99
8.0.00.0050.01017.86
7.4.330.0000.00415.55
7.4.320.0030.00316.50
7.4.300.0000.00616.64
7.4.290.0000.00716.45
7.4.280.0000.00716.52
7.4.270.0070.00016.61
7.4.260.0030.00416.55
7.4.250.0030.00316.47
7.4.240.0000.00816.50
7.4.230.0070.00016.48
7.4.220.0050.00216.65
7.4.210.0070.00816.52
7.4.200.0000.00816.68
7.4.140.0110.01517.86
7.4.130.0180.01117.86
7.4.120.0220.00617.86
7.4.110.0130.01417.86
7.4.100.0330.00917.86
7.4.90.0240.01517.86
7.4.80.0240.01117.86
7.4.70.0200.01017.86
7.4.60.0250.00717.86
7.4.50.0260.01317.86
7.4.40.0260.01117.86
7.4.30.0220.01117.86
7.4.20.0170.01017.86
7.4.10.0180.01017.86
7.4.00.0110.01317.86
7.3.330.0050.00316.31
7.3.320.0030.00313.12
7.3.310.0030.00316.25
7.3.300.0070.00016.38
7.3.290.0070.00816.35
7.3.260.0150.00917.86
7.3.250.0120.01117.86
7.3.240.0250.00317.86
7.3.230.0230.01117.86
7.3.220.0190.01917.86
7.3.210.0270.01217.86
7.3.200.0350.00717.86
7.3.190.0330.00617.86
7.3.180.0370.00317.86
7.3.170.0250.02417.86
7.3.160.0290.00917.86
7.3.150.0280.01117.86
7.3.140.0360.00017.86
7.3.130.0210.01717.86
7.3.120.0290.01117.86
7.3.110.0280.01617.86
7.3.100.0250.01117.86
7.3.90.0200.01017.86
7.3.80.0120.02017.86
7.3.70.0330.01017.86
7.3.60.0310.00617.86
7.3.50.0090.01217.86
7.3.40.0190.00917.86
7.3.30.0100.01417.86
7.3.20.0100.01417.86
7.3.10.0130.01017.86
7.3.00.0130.01017.86

preferences:
52.58 ms | 401 KiB | 5 Q