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)
8.3.60.0070.00718.30
8.3.50.0140.00717.98
8.3.40.0110.00821.86
8.3.30.0140.00018.75
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0040.00426.16
8.2.180.0120.00325.92
8.2.170.0120.00318.91
8.2.160.0100.00322.96
8.2.150.0040.00425.66
8.2.140.0070.00024.66
8.2.130.0030.00526.16
8.2.120.0080.00020.90
8.2.110.0070.00321.03
8.2.100.0100.00017.91
8.2.90.0030.00619.24
8.2.80.0060.00320.36
8.2.70.0090.00017.36
8.2.60.0050.00318.03
8.2.50.0040.00418.07
8.2.40.0000.00918.34
8.2.30.0030.00618.13
8.2.20.0000.00718.07
8.2.10.0040.00419.27
8.2.00.0040.00419.21
8.1.280.0100.01025.92
8.1.270.0210.00022.13
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00422.19
8.1.230.0070.00421.04
8.1.220.0030.00517.75
8.1.210.0040.00418.92
8.1.200.0000.00917.35
8.1.190.0030.00617.22
8.1.180.0000.00818.10
8.1.170.0070.00418.64
8.1.160.0040.00418.89
8.1.150.0000.00718.76
8.1.140.0000.00718.80
8.1.130.0040.00420.10
8.1.120.0050.00317.43
8.1.110.0060.00317.41
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
8.0.300.0040.00419.95
8.0.290.0050.00316.63
8.0.280.0030.00318.45
8.0.270.0030.00318.00
8.0.260.0030.00318.61
8.0.250.0000.00716.84
8.0.240.0000.00616.90
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
7.4.330.0050.00015.55
7.4.320.0060.00016.50
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:
56.58 ms | 401 KiB | 5 Q