3v4l.org

run code in 300+ PHP versions simultaneously
<?php $items = ['foo', 'bar', 'baz']; $x = $items[array_key_last($items)]; var_dump($items); var_dump($x);

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)
8.3.60.0100.00718.31
8.3.50.0140.00017.95
8.3.40.0100.00718.56
8.3.30.0070.00718.53
8.3.20.0030.00621.91
8.3.10.0000.00820.16
8.3.00.0040.00422.39
8.2.180.0030.01025.92
8.2.170.0150.00718.96
8.2.160.0070.00722.96
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0050.00318.76
8.2.110.0060.00322.20
8.2.100.0110.00017.91
8.2.90.0090.00017.91
8.2.80.0080.00017.97
8.2.70.0080.00017.50
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0050.00318.22
8.2.30.0050.00218.07
8.2.20.0050.00318.06
8.2.10.0030.00319.30
8.2.00.0000.00719.21
8.1.280.0170.00325.92
8.1.270.0040.00422.59
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0030.00722.54
8.1.230.0100.00321.04
8.1.220.0040.00417.74
8.1.210.0000.00718.90
8.1.200.0060.00317.10
8.1.190.0090.00017.22
8.1.180.0040.00418.10
8.1.170.0060.00318.37
8.1.160.0000.00718.69
8.1.150.0000.00718.95
8.1.140.0040.00422.19
8.1.130.0040.00420.00
8.1.120.0030.00617.32
8.1.110.0050.00317.36
8.1.100.0050.00217.37
8.1.90.0040.00417.39
8.1.80.0000.00817.36
8.1.70.0040.00417.43
8.1.60.0000.00817.52
8.1.50.0060.00317.41
8.1.40.0000.00817.29
8.1.30.0050.00317.41
8.1.20.0040.00417.49
8.1.10.0050.00217.38
8.1.00.0040.00417.47
8.0.300.0050.00219.86
8.0.290.0060.00316.60
8.0.280.0030.00318.48
8.0.270.0040.00417.07
8.0.260.0000.00620.06
8.0.250.0070.00016.79
8.0.240.0080.00016.86
8.0.230.0040.00416.88
8.0.220.0040.00416.81
8.0.210.0030.00316.83
8.0.200.0000.00616.74
8.0.190.0030.00316.75
8.0.180.0000.00716.84
8.0.170.0070.00316.85
8.0.160.0000.00816.85
8.0.150.0030.00316.60
8.0.140.0030.00516.75
8.0.130.0030.00313.31
8.0.120.0040.00416.73
8.0.110.0030.00516.85
8.0.100.0050.00216.77
8.0.90.0000.00816.72
8.0.80.0140.00716.88
8.0.70.0000.00716.80
8.0.60.0050.00216.79
8.0.50.0070.00016.71
8.0.30.0030.01316.81
8.0.20.0100.00916.99
8.0.10.0000.00816.97
8.0.00.0180.00416.46
7.4.330.0030.00315.55
7.4.320.0030.00316.56
7.4.300.0060.00016.44
7.4.290.0100.00016.53
7.4.280.0020.00516.39
7.4.270.0020.00516.45
7.4.260.0060.00013.18
7.4.250.0000.00716.39
7.4.240.0040.00416.47
7.4.230.0070.00016.38
7.4.220.0060.00216.58
7.4.210.0070.00816.49
7.4.200.0000.00716.27
7.4.140.0060.01217.86
7.4.130.0090.00916.38
7.4.120.0030.01416.32
7.4.110.0100.01016.52
7.4.100.0100.00716.29
7.4.90.0040.01316.56
7.4.80.0110.00519.39
7.4.70.0070.01316.26
7.4.60.0100.00716.48
7.4.50.0060.00916.32
7.4.40.0160.00616.45
7.4.00.0040.01114.69
7.3.330.0040.00416.03
7.3.320.0000.00512.99
7.3.310.0030.00316.25
7.3.300.0030.00316.20
7.3.290.0030.00316.21
7.3.260.0120.00816.32
7.3.240.0110.00816.24
7.3.230.0070.01416.31
7.3.210.0110.01116.21
7.3.200.0030.01516.42
7.3.190.0060.01616.20
7.3.180.0000.01816.37
7.3.170.0030.01416.44
7.3.160.0160.00016.51
7.3.100.0090.00914.59
7.3.90.0030.01414.62
7.3.80.0150.00414.64
7.3.70.0070.00714.48
7.3.60.0060.01014.60
7.3.50.0050.01114.48
7.3.40.0090.00814.33
7.3.30.0150.00214.55
7.3.20.0190.00514.50
7.3.10.0110.01214.44
7.3.00.0150.00714.59
7.2.330.0070.01316.66
7.2.320.0080.00816.38
7.2.310.0070.01116.56
7.2.300.0100.00616.60
7.2.290.0090.01316.30
7.2.220.0120.00614.80
7.2.210.0110.00714.90
7.2.200.0080.01114.71
7.2.190.0120.00514.69
7.2.180.0130.00514.65
7.2.170.0120.01014.87
7.2.160.0090.00714.72
7.2.150.0200.00614.63
7.2.140.0170.00614.64
7.2.130.0190.00514.95
7.2.120.0200.00714.76
7.2.110.0220.00514.53
7.2.100.0110.01214.67
7.2.90.0230.00314.80
7.2.80.0190.00414.80
7.2.70.0150.00714.86
7.2.60.0110.01114.67
7.2.50.0260.00315.01
7.2.40.0110.01114.96
7.2.30.0220.01014.81
7.2.20.0130.01314.83
7.2.10.0080.01314.68
7.2.00.0220.00514.68
7.1.320.0180.00713.53
7.1.310.0130.00813.68
7.1.300.0150.00713.55
7.1.290.0150.00613.73
7.1.280.0140.00813.43
7.1.270.0200.00913.72
7.1.260.0140.00813.72
7.1.250.0140.00813.65

preferences:
58.07 ms | 400 KiB | 5 Q