3v4l.org

run code in 300+ PHP versions simultaneously
<?php $consts = get_defined_constants(); $consts = array_keys($consts); usort($consts, function($a, $b) { return strlen($b) <=> strlen($a); }); foreach($consts as $const){ echo strlen($const).": ".$const."\n"; }

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)
8.3.40.0070.01022.11
8.3.30.0130.01018.50
8.3.20.0060.00324.18
8.3.10.0030.00624.66
8.3.00.0070.00326.16
8.2.170.0130.01022.96
8.2.160.0110.00822.96
8.2.150.0060.00325.66
8.2.140.0100.00024.66
8.2.130.0060.00326.16
8.2.120.0090.00021.03
8.2.110.0160.00920.47
8.2.100.0100.01619.10
8.1.270.0090.00722.79
8.1.260.0050.00526.35
8.1.250.0100.00028.09
8.1.240.0140.01518.57
8.1.230.0120.00018.71
8.1.60.0130.00317.72
8.1.50.0080.00817.62
8.1.40.0050.01017.68
8.1.30.0040.00817.79
8.1.20.0060.00517.76
8.1.10.0030.01017.59
8.1.00.0040.00717.58
8.0.190.0060.00517.11
8.0.180.0060.00517.01
8.0.170.0080.00416.95
8.0.160.0070.00516.96
8.0.150.0080.00516.94
8.0.140.0040.00916.93
8.0.130.0100.00516.40
8.0.120.0110.00516.98
8.0.110.0120.00416.99
8.0.100.0100.00617.01
8.0.90.0120.00416.95
8.0.80.0090.00816.23
8.0.70.0120.00417.00
8.0.60.0110.00516.95
8.0.50.0120.00616.92
8.0.30.0130.00717.04
8.0.20.0130.00717.09
8.0.10.0120.00417.06
8.0.00.0100.00517.07
7.4.290.0080.00316.61
7.4.280.0030.00816.70
7.4.270.0060.00416.69
7.4.260.0120.00616.65
7.4.250.0110.00616.60
7.4.240.0110.00816.69
7.4.230.0110.00716.65
7.4.220.0100.00516.72
7.4.210.0090.01016.66
7.4.200.0100.00716.65
7.4.190.0100.00816.76
7.4.180.0130.00616.74
7.4.160.0100.00816.70
7.4.150.0130.00616.65
7.4.140.0130.00616.53
7.4.130.0120.00916.50
7.4.120.0130.00816.55
7.4.110.0150.00716.53
7.4.100.0110.00816.64
7.4.90.0120.00616.58
7.4.80.0150.00516.53
7.4.70.0140.00616.50
7.4.60.0110.00916.57
7.4.50.0150.00516.45
7.4.40.0160.00516.41
7.4.30.0170.00516.53
7.4.20.0110.00916.54
7.4.10.0120.00716.62
7.4.00.0100.00716.62
7.3.330.0140.00516.50
7.3.320.0130.00516.02
7.3.310.0120.00616.47
7.3.300.0150.00416.44
7.3.290.0110.00716.51
7.3.280.0130.00716.41
7.3.270.0140.00416.46
7.3.260.0130.00716.48
7.3.250.0140.00716.51
7.3.240.0130.00816.44
7.3.230.0170.00516.43
7.3.220.0130.00816.36
7.3.210.0150.00616.33
7.3.200.0160.00516.43
7.3.190.0130.00816.51
7.3.180.0140.00616.45
7.3.170.0120.00816.45
7.3.160.0140.00516.44
7.3.150.0140.00716.40
7.3.140.0140.00516.44
7.3.130.0160.00316.39
7.3.120.0120.00716.39
7.3.110.0130.00616.40
7.3.100.0120.00816.33
7.3.90.0150.00516.62
7.3.80.0140.00616.44
7.3.70.0120.00716.44
7.3.60.0150.00416.44
7.3.50.0140.00416.50
7.3.40.0150.00516.53
7.3.30.0150.00516.55
7.3.20.0140.00517.97
7.3.10.0160.00517.88
7.3.00.0150.00717.90

preferences:
30.68 ms | 400 KiB | 5 Q