3v4l.org

run code in 300+ PHP versions simultaneously
<?php function get_caller(): ?object { foreach (debug_backtrace() as $call) { if (isset($call['object'])) { return $call['object']; } } return null; } function foo(): void { var_dump(get_caller()); } class Bar { public function __construct() { var_dump(get_caller()); new Baz(); } } class Baz { public function __construct() { foo(); } } foo(); new Bar();

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)
8.3.40.0140.00018.71
8.3.30.0100.00318.76
8.3.20.0000.00721.76
8.3.10.0030.00523.48
8.3.00.0070.00417.55
8.2.170.0110.00422.96
8.2.160.0030.01220.33
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00819.36
8.2.120.0060.00326.35
8.2.110.0000.00922.29
8.2.100.0090.00317.78
8.2.90.0000.00817.75
8.2.80.0040.00418.78
8.2.70.0060.00317.63
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0000.00818.16
8.2.30.0060.00317.97
8.2.20.0040.00418.13
8.2.10.0000.00817.98
8.2.00.0050.00218.12
8.1.270.0040.00424.02
8.1.260.0190.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00320.23
8.1.230.0040.00719.41
8.1.220.0030.00617.79
8.1.210.0030.00618.77
8.1.200.0050.00517.35
8.1.190.0090.00317.13
8.1.180.0000.00818.10
8.1.170.0040.00418.91
8.1.160.0040.00418.77
8.1.150.0070.00018.97
8.1.140.0050.00317.71
8.1.130.0020.00518.98
8.1.120.0000.00717.51
8.1.110.0070.00017.30
8.1.100.0000.00717.36
8.1.90.0030.00317.41
8.1.80.0000.01017.30
8.1.70.0030.00517.42
8.1.60.0040.00417.52
8.1.50.0040.00417.37
8.1.40.0000.00917.23
8.1.30.0050.00317.42
8.1.20.0060.00617.52
8.1.10.0060.00317.50
8.1.00.0070.00417.45
8.0.300.0020.00518.77
8.0.290.0070.00016.75
8.0.280.0030.00318.38
8.0.270.0030.00616.73
8.0.260.0060.00017.25
8.0.250.0000.00616.90
8.0.240.0040.00416.92
8.0.230.0020.00516.84
8.0.220.0040.00416.83
8.0.210.0000.00716.90
8.0.200.0030.00316.98
8.0.190.0000.00816.91
8.0.180.0030.00316.80
8.0.170.0030.00716.94
8.0.160.0030.00316.93
8.0.150.0070.00316.80
8.0.140.0030.00316.86
8.0.130.0000.00613.28
8.0.120.0040.00416.88
8.0.110.0070.00016.89
8.0.100.0040.00416.74
8.0.90.0070.00016.90
8.0.80.0060.00916.84
8.0.70.0000.00816.84
8.0.60.0040.00416.77
8.0.50.0030.00516.95
8.0.30.0110.00717.11
8.0.20.0080.01117.40
8.0.10.0000.00716.97
8.0.00.0100.00916.87
7.4.330.0070.00015.55
7.4.320.0060.00016.40
7.4.300.0000.00716.58
7.4.290.0040.00416.49
7.4.280.0000.00816.56
7.4.270.0000.00616.39
7.4.260.0040.00316.57
7.4.250.0070.00016.38
7.4.240.0030.00316.57
7.4.230.0030.00316.28
7.4.220.0000.00716.34
7.4.210.0080.00816.51
7.4.200.0000.00716.33
7.4.160.0100.00916.52
7.4.140.0140.00517.86
7.4.130.0120.00616.48
7.4.120.0100.00816.52
7.4.110.0120.00616.49
7.4.100.0120.01216.50
7.4.90.0050.01116.59
7.4.80.0050.01419.39
7.4.70.0130.01016.46
7.4.60.0060.00916.30
7.4.50.0040.01116.22
7.4.40.0130.00316.72
7.4.00.0070.01014.95
7.3.330.0020.00213.14
7.3.320.0030.00313.15
7.3.310.0070.00016.39
7.3.300.0030.00316.38
7.3.290.0060.00016.35
7.3.280.0070.00916.27
7.3.260.0100.00816.50
7.3.240.0090.00916.54
7.3.230.0160.00016.54
7.3.210.0120.00616.46
7.3.200.0030.01216.51
7.3.190.0090.00816.23
7.3.180.0110.00416.48
7.3.170.0100.00616.53
7.3.160.0100.00616.53
7.3.10.0160.00316.35
7.3.00.0110.00416.44
7.2.330.0110.01116.71
7.2.320.0120.00916.78
7.2.310.0120.00616.86
7.2.300.0080.00816.72
7.2.290.0040.01516.64
7.2.130.0050.01116.34
7.2.120.0160.00617.00
7.2.110.0160.00716.28
7.2.100.0120.00616.76
7.2.90.0180.00916.30
7.2.80.0100.01016.43
7.2.70.0130.00616.82
7.2.60.0080.00816.53
7.2.50.0080.00816.65
7.2.40.0430.01218.20
7.2.30.0560.01118.06
7.2.20.0330.01218.04
7.2.10.0320.00818.16
7.2.00.0260.01318.19
7.1.250.0130.01015.42
7.1.200.0090.00015.82
7.1.160.0500.01217.77
7.1.150.0610.01217.74
7.1.140.0490.01217.56
7.1.130.0490.01017.64
7.1.120.0430.01317.71
7.1.110.0400.00917.14
7.1.100.0420.01116.95
7.1.90.0400.00817.15
7.1.80.0500.00817.27
7.1.70.0470.01016.16
7.1.60.0920.01334.02
7.1.50.0600.01133.78
7.1.40.0600.01333.47
7.1.30.0560.01333.50
7.1.20.0910.01133.69
7.1.10.0670.01015.65
7.1.00.0480.01315.70

preferences:
50.76 ms | 400 KiB | 5 Q