3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = [ 'name' => 'hi', ]; $ref = [ 'name' => 'hi', ]; $context = [ 'var' => $var, 'reference' => &$ref, ]; function func(&$change_me, $context) { $change_me = 2; $context['var']['name'] = 'foo'; $context['reference']['name'] = 'bar'; } $change_me = 1; func($change_me, $context); print_r([$change_me, $context]);

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)
8.3.70.0100.00716.63
8.3.60.0140.00718.30
8.3.50.0110.00418.09
8.3.40.0060.00918.73
8.3.30.0040.01118.85
8.3.20.0040.00418.98
8.3.10.0040.00420.65
8.3.00.0070.00023.48
8.2.190.0090.00916.63
8.2.180.0110.00716.38
8.2.170.0150.00022.96
8.2.160.0040.01122.20
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0050.00319.77
8.2.120.0030.00326.35
8.2.110.0040.00422.29
8.2.100.0090.00317.78
8.2.90.0040.00419.23
8.2.80.0000.01119.26
8.2.70.0050.00318.05
8.2.60.0050.00317.93
8.2.50.0030.00518.10
8.2.40.0060.00319.35
8.2.30.0040.00419.45
8.2.20.0000.00818.18
8.2.10.0050.00218.10
8.2.00.0040.00419.43
8.1.280.0140.00425.92
8.1.270.0000.00822.10
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0000.00923.92
8.1.230.0000.01217.83
8.1.220.0040.00417.76
8.1.210.0000.01018.77
8.1.200.0060.00317.35
8.1.190.0000.00917.22
8.1.180.0040.00418.10
8.1.170.0040.00418.54
8.1.160.0000.00818.80
8.1.150.0030.00518.96
8.1.140.0000.00717.57
8.1.130.0030.00319.08
8.1.120.0000.00717.38
8.1.110.0040.00417.40
8.1.100.0070.00017.43
8.1.90.0040.00417.43
8.1.80.0020.00517.48
8.1.70.0070.00017.39
8.1.60.0020.00517.48
8.1.50.0030.00617.54
8.1.40.0000.00817.50
8.1.30.0030.00617.50
8.1.20.0030.00717.65
8.1.10.0000.00717.54
8.1.00.0070.00017.38
8.0.300.0000.00719.87
8.0.290.0090.00016.75
8.0.280.0070.00018.36
8.0.270.0070.00017.32
8.0.260.0070.00017.31
8.0.250.0000.00816.96
8.0.240.0080.00016.89
8.0.230.0040.00416.98
8.0.220.0030.00416.91
8.0.210.0070.00016.86
8.0.200.0000.00716.99
8.0.190.0050.00316.91
8.0.180.0000.00716.91
8.0.170.0030.00516.80
8.0.160.0040.00416.86
8.0.150.0000.00716.91
8.0.140.0000.00716.80
8.0.130.0030.00313.36
8.0.120.0030.00716.82
8.0.110.0000.00716.91
8.0.100.0040.00416.84
8.0.90.0040.00416.78
8.0.80.0100.00516.89
8.0.70.0080.00016.84
8.0.60.0000.00816.86
8.0.50.0070.00016.76
8.0.30.0120.00317.03
8.0.20.0130.00917.40
8.0.10.0070.00016.82
8.0.00.0120.00616.96
7.4.330.0030.00315.55
7.4.320.0030.00316.59
7.4.300.0000.00716.49
7.4.290.0080.00016.59
7.4.280.0070.00016.61
7.4.270.0030.00616.43
7.4.260.0030.00316.50
7.4.250.0000.00716.52
7.4.240.0070.00016.64
7.4.230.0000.00716.59
7.4.220.0000.00716.67
7.4.210.0110.00616.54
7.4.200.0080.00016.70
7.4.160.0110.00716.46
7.4.140.0100.01117.86
7.4.130.0080.00816.29
7.4.120.0110.00816.52
7.4.110.0160.00716.51
7.4.100.0100.00616.47
7.4.90.0080.00816.45
7.4.80.0030.01619.39
7.4.70.0070.01016.65
7.4.60.0140.00416.52
7.4.50.0100.00716.54
7.4.40.0070.01416.29
7.3.330.0050.00013.16
7.3.320.0000.00513.39
7.3.310.0040.00416.39
7.3.300.0000.00616.44
7.3.290.0030.00316.38
7.3.280.0070.00916.38
7.3.260.0100.00716.34
7.3.240.0090.00816.47
7.3.230.0070.01016.36
7.3.210.0100.00716.38
7.3.200.0070.01316.37
7.3.190.0080.01116.41
7.3.180.0050.01016.57
7.3.170.0090.00616.39
7.3.160.0090.00616.43
7.2.330.0030.01316.68
7.2.320.0030.01916.46
7.2.310.0120.01216.78
7.2.300.0030.01416.47
7.2.290.0090.00916.83

preferences:
57.63 ms | 401 KiB | 5 Q