3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test_call($first, &$a) { echo '<div>here</div>'; } function test_warning($args) { $test_call = 'test_call'; $test_call( ...$args ); // this line works $args[ 0 ] = 1; $test_call( ...$args ); // this line causes error } class TestWarningClass{ function __construct() { $args = array( 1, &$this ); test_warning($args); } } $test = new TestWarningClass;

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)
8.1.100.0040.00417.44
8.1.90.0040.00417.37
8.1.80.0050.00217.49
8.1.70.0070.00017.46
8.1.60.0060.00317.61
8.1.50.0000.00817.52
8.1.40.0000.00817.42
8.1.30.0050.00317.68
8.1.20.0050.00317.64
8.1.10.0030.00617.64
8.1.00.0030.00617.48
8.0.230.0000.00716.84
8.0.220.0100.00016.91
8.0.210.0000.00716.84
8.0.200.0040.00416.84
8.0.190.0050.00216.90
8.0.180.0030.00316.81
8.0.170.0040.00416.88
8.0.160.0000.00716.78
8.0.150.0040.00416.85
8.0.140.0000.00716.86
8.0.130.0040.00413.38
8.0.120.0050.00316.88
8.0.110.0030.00516.75
8.0.100.0070.00016.76
8.0.90.0030.00616.88
8.0.80.0070.00916.89
8.0.70.0040.00416.68
8.0.60.0000.00816.89
8.0.50.0030.00516.88
8.0.30.0060.01117.07
8.0.20.0080.00917.05
8.0.10.0050.00316.98
8.0.00.0040.01816.53
7.4.300.0080.00016.55
7.4.290.0000.00716.44
7.4.280.0030.00516.50
7.4.270.0040.00416.46
7.4.260.0050.00013.27
7.4.250.0000.00816.61
7.4.240.0030.00316.50
7.4.230.0030.00316.51
7.4.220.0020.00516.45
7.4.210.0070.00816.50
7.4.200.0040.00416.57
7.4.130.0150.00616.41
7.4.120.0160.00316.19
7.4.110.0130.00616.60
7.4.100.0130.00716.30
7.4.90.0150.00616.59
7.4.80.0140.00416.31
7.4.70.0100.01316.20
7.4.60.0180.00616.33
7.4.50.0200.00316.54
7.4.40.0150.00316.45
7.4.30.0120.00916.13
7.4.20.0100.01416.24
7.4.10.0170.00716.05
7.4.00.0090.00916.36
7.3.330.0050.00216.22
7.3.320.0000.00513.34
7.3.310.0070.00016.36
7.3.300.0030.00316.38
7.3.290.0080.00916.37
7.3.260.0140.00316.29
7.3.250.0110.00816.13
7.3.240.0030.01316.20
7.3.230.0100.01316.01
7.3.220.0120.00616.32
7.3.210.0080.00816.07
7.3.200.0030.01316.17
7.3.190.0060.01216.44
7.3.180.0100.01016.27
7.3.170.0120.00616.41
7.3.160.0180.00316.05
7.3.150.0180.00615.93
7.3.140.0100.01416.05
7.3.130.0150.00916.34
7.3.120.0110.01116.34
7.3.110.0120.00816.24
7.3.100.0140.00316.46
7.3.90.0130.00316.53
7.3.80.0150.00316.32
7.3.70.0110.00616.25
7.3.60.0060.01216.07
7.3.50.0040.01416.07
7.3.40.0090.00916.30
7.3.30.0070.01116.25
7.3.20.0120.00616.27
7.3.10.0090.00916.16
7.3.00.0110.00716.32

preferences:
11.49 ms | 406 KiB | 5 Q