3v4l.org

run code in 300+ PHP versions simultaneously
<?php function tryDistributeLinksEvenly($howManyMessages, $links){ echo "testing $howManyMessages\n"; $messages = array_chunk($links, $howManyMessages, true); foreach($messages as $message){ $count = array_reduce(array_keys($message), function($a, $b){ return mb_strlen($a) + mb_strlen($b) + 2; }); var_dump($message); echo $count . "\n"; } echo "-----\n"; } function distributeLinksEvenly($links){ $howManyMessages = 0; do{ $howManyMessages++; $chunks = tryDistributeLinksEvenly($howManyMessages, $links); if($howManyMessages > 10) exit(); }while($chunks === null); return $chunks; } $v = [ 'aaaa', 'bbbb', 'ccccccc', 'dddddddddd', 'eeeeeeee', 'ffffffffffff', 'gggg', 'hhhhhh', 'iiiiiiiiiii', 'lllllll', 'mmmmmmmmmmm', 'nnnnnnn', 'ooo', ]; $v = array_combine($v, $v); distributeLinksEvenly($v);

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)
8.3.60.0170.00716.38
8.3.50.0140.00718.15
8.3.40.0070.01018.50
8.3.30.0130.00318.71
8.3.20.0060.00319.24
8.3.10.0090.00021.75
8.3.00.0000.00918.99
8.2.180.0070.01016.63
8.2.170.0070.01022.96
8.2.160.0040.01220.40
8.2.150.0060.00324.18
8.2.140.0090.00024.66
8.2.130.0060.00319.76
8.2.120.0070.00326.35
8.2.110.0090.00319.27
8.2.100.0120.00019.77
8.2.90.0040.00419.21
8.2.80.0060.00317.97
8.2.70.0000.00817.50
8.2.60.0000.00919.53
8.2.50.0050.00518.10
8.2.40.0120.00020.41
8.2.30.0000.00919.26
8.2.20.0030.00517.72
8.2.10.0040.00418.18
8.2.00.0040.00418.18
8.1.280.0070.01925.92
8.1.270.0060.00323.79
8.1.260.0060.00328.09
8.1.250.0060.00328.09
8.1.240.0040.00822.14
8.1.230.0080.00419.42
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0100.00017.47
8.1.190.0060.00317.48
8.1.180.0000.00918.10
8.1.170.0090.00018.54
8.1.160.0040.00419.02
8.1.150.0030.00618.91
8.1.140.0000.00819.50
8.1.130.0030.00517.71
8.1.120.0000.00817.48
8.1.110.0040.00417.42
8.1.100.0090.00017.36
8.1.90.0030.00617.46
8.1.80.0030.00617.45
8.1.70.0040.00417.46
8.1.60.0000.00917.69
8.1.50.0070.00717.55
8.1.40.0060.00617.52
8.1.30.0000.00917.62
8.1.20.0000.00917.62
8.1.10.0030.00617.48
8.1.00.0090.00017.49
8.0.300.0060.00318.77
8.0.290.0060.00316.75
8.0.280.0030.00618.52
8.0.270.0030.00617.29
8.0.260.0000.00717.33
8.0.250.0040.00417.11
8.0.240.0060.00316.96
8.0.230.0000.00717.13
8.0.220.0040.00417.01
8.0.210.0000.00716.92
8.0.200.0070.00017.08
8.0.190.0040.00417.11
8.0.180.0000.00817.03
8.0.170.0060.00317.12
8.0.160.0000.00817.10
8.0.150.0040.00417.03
8.0.140.0030.00616.87
8.0.130.0040.00413.45
8.0.120.0030.00617.02
8.0.110.0040.00417.07
8.0.100.0030.00616.83
8.0.90.0030.00617.08
8.0.80.0100.01617.02
8.0.70.0060.00316.81
8.0.60.0080.00017.03
8.0.50.0040.00417.05
8.0.30.0140.00817.11
8.0.20.0150.01317.40
8.0.10.0040.00417.03
8.0.00.0090.01316.68
7.4.330.0000.00515.08
7.4.320.0050.00216.43
7.4.300.0070.00016.59
7.4.290.0080.00016.50
7.4.280.0050.00316.42
7.4.270.0000.00816.57
7.4.260.0000.00816.50
7.4.250.0000.00816.48
7.4.240.0040.00416.65
7.4.230.0070.00016.42
7.4.220.0070.01316.63
7.4.210.0030.01316.64
7.4.200.0070.00016.36
7.4.160.0150.00316.73
7.4.150.0180.00517.40
7.4.140.0170.01117.86
7.4.130.0130.01016.46
7.4.120.0100.01216.55
7.4.110.0110.01116.54
7.4.100.0210.00316.73
7.4.90.0090.01216.73
7.4.80.0100.01319.39
7.4.70.0160.00916.67
7.4.60.0090.01216.72
7.4.50.0000.01916.68
7.4.40.0400.01116.56
7.4.30.0100.01016.66
7.4.00.0090.00614.82
7.3.330.0060.00313.43
7.3.320.0030.00313.29
7.3.310.0000.00716.45
7.3.300.0000.00716.29
7.3.290.0100.01016.45
7.3.280.0120.01216.41
7.3.270.0130.01117.40
7.3.260.0120.01116.62
7.3.250.0120.01116.53
7.3.240.0140.00816.44
7.3.230.0120.01116.50
7.3.210.0160.01616.63
7.3.200.0130.00716.51
7.3.190.0160.01216.56
7.3.180.0180.00416.36
7.3.170.0030.01616.58
7.3.160.0090.00916.42
7.2.330.0080.01616.70
7.2.320.0190.00616.71
7.2.310.0100.01316.51
7.2.300.0110.01116.56
7.2.290.0060.01916.71
7.2.00.0030.01319.24
7.1.200.0060.00915.94
7.1.100.0000.01218.16
7.1.70.0070.00317.11
7.1.60.0120.01519.47
7.1.00.0000.07722.32
7.0.200.0410.00315.00
7.0.60.1270.06320.06
7.0.50.1300.05720.33
7.0.40.1670.05720.34
7.0.30.1530.07320.27
7.0.20.1530.07320.44
7.0.10.1800.09020.23
7.0.00.2000.07020.29
5.6.280.0030.07021.04
5.6.210.1170.06020.66
5.6.200.1300.07021.07
5.6.190.1430.07721.07
5.6.180.1700.08021.18
5.6.170.1470.06721.21
5.6.160.1370.07021.05
5.6.150.1800.06021.04
5.6.140.1530.05721.05
5.6.130.1670.07721.22
5.6.120.1730.06021.05
5.6.110.1570.07721.17
5.6.100.1370.06021.05
5.6.90.1170.07021.15
5.6.80.0930.05720.42
5.6.70.1000.05720.42
5.6.60.1000.07020.41
5.6.50.1300.04720.60
5.6.40.1000.06720.43
5.6.30.0970.06020.55
5.6.20.1430.05020.53
5.6.10.1270.06020.58
5.6.00.1070.07320.51
5.5.350.1270.06020.39
5.5.340.1300.06021.05
5.5.330.1270.07020.85
5.5.320.1670.05320.76
5.5.310.1500.06020.76
5.5.300.2070.06020.85
5.5.290.1500.08020.78
5.5.280.1800.06020.73
5.5.270.1530.08720.72
5.5.260.1430.06720.77
5.5.250.1270.07320.79
5.5.240.1000.06720.20
5.5.230.0930.07720.39
5.5.220.0930.07020.25
5.5.210.1230.05020.26
5.5.200.1370.06320.24
5.5.190.1130.06720.11
5.5.180.1400.05320.36
5.5.160.1200.06020.33
5.5.150.1170.06720.19
5.5.140.0830.06720.30
5.5.130.0930.06020.23
5.5.120.1070.05320.23
5.5.110.1270.06720.15
5.5.100.1000.06719.96
5.5.90.1400.07320.08
5.5.80.1330.05719.97
5.5.70.1300.06320.19
5.5.60.1230.07020.05
5.5.50.1370.07020.08
5.5.40.1270.07020.17
5.5.30.1200.05320.06
5.5.20.1000.07019.95
5.5.10.1130.05720.00
5.5.00.0900.05720.08

preferences:
60.52 ms | 401 KiB | 5 Q