3v4l.org

run code in 300+ PHP versions simultaneously
<?php function kv(& $a) { $b = $a; end($b); $kv = [$k = key($b), current($b)]; unset($a[$k]); return $kv; } $a = [1, 2, 3, 4, 5, 6]; next($a); next($a); echo current($a) . PHP_EOL; var_dump($a); var_dump(kv($a)); echo current($a) . PHP_EOL; var_dump($a);

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)
8.3.60.0120.00918.31
8.3.50.0180.00316.23
8.3.40.0070.00718.79
8.3.30.0110.00318.65
8.3.20.0000.00721.62
8.3.10.0050.00321.76
8.3.00.0030.00518.88
8.2.180.0100.00318.35
8.2.170.0100.00722.96
8.2.160.0070.00722.11
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00722.10
8.2.120.0000.00826.35
8.2.110.0070.00321.03
8.2.100.0040.00717.91
8.2.90.0000.00819.26
8.2.80.0040.00418.05
8.2.70.0040.00417.63
8.2.60.0000.00818.16
8.2.50.0050.00318.10
8.2.40.0040.00420.45
8.2.30.0000.00819.34
8.2.20.0000.00818.17
8.2.10.0040.00418.07
8.2.00.0050.00218.14
8.1.280.0090.00925.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00521.87
8.1.230.0110.00020.97
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0040.00417.38
8.1.190.0060.00317.23
8.1.180.0060.00318.10
8.1.170.0060.00318.66
8.1.160.0000.00718.99
8.1.150.0040.00420.73
8.1.140.0040.00419.48
8.1.130.0000.00817.43
8.1.120.0000.00817.52
8.1.110.0000.00817.44
8.1.100.0030.00417.49
8.1.90.0040.00417.48
8.1.80.0040.00417.46
8.1.70.0030.00317.43
8.1.60.0040.00417.55
8.1.50.0000.00817.53
8.1.40.0050.00217.49
8.1.30.0040.00417.65
8.1.20.0030.00617.56
8.1.10.0060.00317.36
8.1.00.0040.00417.31
8.0.300.0000.00818.77
8.0.290.0000.00716.75
8.0.280.0070.00018.48
8.0.270.0070.00017.18
8.0.260.0070.00016.85
8.0.250.0000.00616.95
8.0.240.0040.00416.88
8.0.230.0030.00316.93
8.0.220.0030.00716.93
8.0.210.0000.00716.87
8.0.200.0080.00016.89
8.0.190.0080.00016.93
8.0.180.0080.00016.82
8.0.170.0000.00716.91
8.0.160.0030.00316.95
8.0.150.0000.00716.88
8.0.140.0030.00516.87
8.0.130.0000.00613.21
8.0.120.0030.00516.96
8.0.110.0040.00416.88
8.0.100.0030.00316.77
8.0.90.0070.00016.68
8.0.80.0090.01216.94
8.0.70.0000.00816.78
8.0.60.0050.00316.82
8.0.50.0000.00716.73
8.0.30.0040.01416.90
8.0.20.0120.00717.40
8.0.10.0040.00417.02
8.0.00.0070.01116.96
7.4.330.0000.00515.55
7.4.320.0060.00016.51
7.4.300.0030.00316.61
7.4.290.0030.00816.41
7.4.280.0030.00616.48
7.4.270.0040.00416.51
7.4.260.0030.00313.27
7.4.250.0030.00316.41
7.4.240.0030.00616.52
7.4.230.0000.00716.47
7.4.220.0130.01316.69
7.4.210.0060.00916.55
7.4.200.0040.00416.66
7.4.160.0120.00816.51
7.4.150.0140.00417.40
7.4.140.0090.00917.86
7.4.130.0110.01216.55
7.4.120.0100.01216.57
7.4.110.0100.00716.51
7.4.100.0090.00916.64
7.4.90.0030.01316.40
7.4.80.0090.00919.39
7.4.70.0050.01116.54
7.4.60.0040.01116.41
7.4.50.0090.00616.17
7.4.40.0080.00816.48
7.4.30.0080.00816.41
7.4.00.0080.00514.80
7.3.330.0060.00013.32
7.3.320.0000.00613.18
7.3.310.0070.00016.37
7.3.300.0040.00416.24
7.3.290.0100.00616.31
7.3.280.0050.00916.32
7.3.270.0180.00017.40
7.3.260.0060.01116.37
7.3.250.0140.00716.46
7.3.240.0110.00616.47
7.3.230.0130.01816.27
7.3.210.0100.00716.48
7.3.200.0060.00916.39
7.3.190.0060.00916.70
7.3.180.0080.00816.64
7.3.170.0000.01716.50
7.3.160.0100.00616.49
7.2.330.0130.00416.49
7.2.320.0030.01816.41
7.2.310.0060.01016.72
7.2.300.0030.01416.69
7.2.290.0050.01116.85
7.2.110.0200.00516.36
7.2.100.0140.00716.63
7.2.90.0100.02016.71
7.2.80.0190.00816.72
7.2.70.0270.00816.66
7.2.60.0120.01116.90
7.2.50.0280.01816.68
7.2.40.0120.01816.94
7.2.30.0290.01216.66
7.2.20.0380.00316.91
7.2.10.0240.01416.69
7.2.00.0120.01516.82
7.1.230.0330.01115.52
7.1.220.0260.00815.59
7.1.210.0180.01115.70
7.1.200.0090.01315.52
7.1.190.0130.01315.53
7.1.180.0280.00615.51
7.1.170.0190.00815.77
7.1.160.0190.00815.54
7.1.150.0160.00615.51
7.1.140.0160.01015.68
7.1.130.0240.00315.85
7.1.120.0270.01015.43
7.1.110.0290.00715.87
7.1.100.0250.00615.42
7.1.90.0240.00315.61
7.1.80.0270.01015.48
7.1.70.0110.00516.30
7.1.60.0800.01324.58
7.1.50.0480.01124.45
7.1.40.0650.02024.15
7.1.30.0610.01324.22
7.1.20.0700.00524.10
7.1.10.0330.01115.30
7.1.00.0380.00415.33
7.0.310.0350.00915.56
7.0.300.0160.00815.59
7.0.290.0270.01215.37
7.0.280.0130.01015.54
7.0.270.0230.00915.38
7.0.260.0180.00515.30
7.0.250.0200.00615.64
7.0.240.0190.00915.47
7.0.230.0310.00315.34
7.0.220.0160.00615.13
7.0.210.0640.00315.49
7.0.200.0370.00715.21
7.0.190.0400.00915.21
7.0.180.0460.01314.74
7.0.170.0510.01114.94
7.0.160.0440.01314.81
7.0.150.0330.00915.00
7.0.140.0420.00914.94
7.0.130.0650.01415.16
7.0.120.0350.01615.04
7.0.110.0650.01515.03
7.0.100.0470.01314.93
7.0.90.0400.01114.96
7.0.80.0430.00814.82
7.0.70.0460.01314.81
7.0.60.0510.00714.96
7.0.50.0340.00514.97
7.0.40.0290.00914.05
7.0.30.0360.01414.15
7.0.20.0350.01314.04
7.0.10.0400.00914.06
7.0.00.0330.00813.98
5.6.380.0140.00914.30

preferences:
53.24 ms | 400 KiB | 5 Q