3v4l.org

run code in 300+ PHP versions simultaneously
<?php class CC { private static $bt; public function run(&$a) { self::$bt[] = debug_backtrace(); $a = 222; } } function n(&$a) { (new CC())->run($a); } $a = [ 'a' => 1, 'b' => 2, 'c' => 3 ]; n($a['b']); echo '<pre>'; 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)
8.3.70.0110.00416.50
8.3.60.0100.00716.63
8.3.50.0140.00522.11
8.3.40.0040.01118.67
8.3.30.0110.00418.96
8.3.20.0040.00420.16
8.3.10.0000.00820.66
8.3.00.0050.00321.60
8.2.190.0040.01118.29
8.2.180.0150.00616.50
8.2.170.0150.00622.96
8.2.160.0100.00319.30
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00322.20
8.2.120.0040.00426.35
8.2.110.0100.00720.38
8.2.100.0070.00417.84
8.2.90.0080.00319.03
8.2.80.0040.00417.97
8.2.70.0040.00417.49
8.2.60.0050.00318.16
8.2.50.0040.00418.10
8.2.40.0040.00420.42
8.2.30.0040.00419.15
8.2.20.0000.00817.95
8.2.10.0000.00718.06
8.2.00.0000.00717.74
8.1.280.0080.00825.92
8.1.270.0040.00423.82
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0060.00323.81
8.1.230.0070.00422.25
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.23
8.1.180.0060.00318.10
8.1.170.0030.00818.46
8.1.160.0030.00322.11
8.1.150.0040.00418.70
8.1.140.0000.00719.50
8.1.130.0050.00317.62
8.1.120.0050.00217.30
8.1.110.0070.00017.43
8.1.100.0000.00717.45
8.1.90.0040.00417.42
8.1.80.0050.00317.31
8.1.70.0030.00317.37
8.1.60.0070.00417.57
8.1.50.0060.00317.53
8.1.40.0040.00417.52
8.1.30.0000.01217.69
8.1.20.0080.00017.58
8.1.10.0090.00017.61
8.1.00.0040.00417.57
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0000.00818.46
8.0.270.0070.00017.13
8.0.260.0050.00317.29
8.0.250.0080.00016.90
8.0.240.0000.00816.77
8.0.230.0000.00816.89
8.0.220.0030.00416.79
8.0.210.0000.00716.75
8.0.200.0030.00316.88
8.0.190.0000.00816.82
8.0.180.0050.00516.92
8.0.170.0000.00716.88
8.0.160.0060.00316.80
8.0.150.0050.00216.68
8.0.140.0040.00416.84
8.0.130.0040.00413.29
8.0.120.0070.00016.82
8.0.110.0000.00716.81
8.0.100.0040.00416.85
8.0.90.0080.00016.86
8.0.80.0060.00916.81
8.0.70.0060.00316.88
8.0.60.0030.00516.62
8.0.50.0040.00416.79
8.0.30.0140.00717.06
8.0.20.0080.01117.40
8.0.10.0000.00716.96
8.0.00.0070.01116.82
7.4.330.0060.00015.08
7.4.320.0030.00316.48
7.4.300.0030.00316.44
7.4.290.0000.00716.51
7.4.280.0050.00316.44
7.4.270.0030.00316.52
7.4.260.0000.00716.58
7.4.250.0030.00516.60
7.4.240.0070.00016.53
7.4.230.0030.00316.60
7.4.220.0060.01216.68
7.4.210.0050.01216.55
7.4.200.0060.00316.34
7.4.160.0110.00716.49
7.4.150.0140.01017.40
7.4.140.0130.00817.86
7.4.130.0150.00516.68
7.4.120.0060.01316.48
7.4.110.0140.00416.65
7.4.100.0120.00916.43
7.4.90.0140.00716.55
7.4.80.0060.01219.39
7.4.70.0000.01816.55
7.4.60.0070.01016.21
7.4.50.0100.00016.48
7.4.40.0080.00816.69
7.4.30.0030.01316.41
7.3.330.0060.00013.36
7.3.320.0030.00313.14
7.3.310.0030.00316.39
7.3.300.0030.00316.29
7.3.290.0030.00316.36
7.3.280.0070.01216.35
7.3.270.0120.00617.40
7.3.260.0140.00316.35
7.3.250.0100.00716.31
7.3.240.0100.00716.44
7.3.230.0100.00716.54
7.3.210.0090.00916.48
7.3.200.0080.00816.34
7.3.190.0080.00816.41
7.3.180.0090.00816.36
7.3.170.0140.00316.30
7.3.160.0060.01016.61
7.2.330.0110.00716.77
7.2.320.0090.00916.50
7.2.310.0030.01316.42
7.2.300.0110.01116.52
7.2.290.0110.00516.70
7.1.00.0070.07322.35
7.0.120.0000.07721.95
7.0.110.0070.07322.10
7.0.100.0000.07722.04
7.0.90.0000.08022.06
7.0.80.0100.06722.06
7.0.70.0000.07722.04
7.0.60.0030.07322.01
7.0.50.0000.07022.13
7.0.40.0000.07022.09
7.0.30.0000.07722.09
7.0.20.0070.07022.20
7.0.10.0000.06722.06
7.0.00.0030.07322.05
5.6.260.0030.07320.97
5.6.250.0030.07320.87
5.6.240.0000.07721.04
5.6.230.0000.08021.07
5.6.220.0000.07020.86
5.6.210.0130.06020.91
5.6.200.0070.07020.76
5.6.190.0000.08320.86
5.6.180.0100.06720.86
5.6.170.0000.07320.95
5.6.160.0100.05721.00
5.6.150.0100.06721.01
5.6.140.0000.07720.95
5.6.130.0030.07320.83
5.6.120.0030.07721.07
5.6.110.0000.07321.04
5.6.100.0100.07020.73
5.6.90.0030.07320.73
5.6.80.0070.06020.39
5.6.70.0030.06020.36
5.6.60.0030.06320.38
5.6.50.0030.06320.42
5.6.40.0070.06720.41
5.6.30.0130.05320.40
5.6.20.0030.06720.16
5.6.10.0030.07020.40
5.6.00.0030.07320.39

preferences:
27.36 ms | 401 KiB | 5 Q