3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Mod { private $opmode; public function init($params) { $this->opmode = &$params['opmode']; } public function setup() { $this->opmode = 'dog'; } public function print() { echo $this->opmode . "\n"; } } $reference = 'fish'; $obj = new Mod(); $obj->init(['opmode' => &$reference]); $obj->print(); // fish $obj->setup(); $obj->print(); // dog $reference = 'cats'; $obj->print(); // cats

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)
8.3.60.0070.01418.25
8.3.50.0170.00321.16
8.3.40.0190.00018.68
8.3.30.0090.00618.84
8.3.20.0040.00418.90
8.3.10.0080.00021.72
8.3.00.0070.00021.77
8.2.180.0140.00316.38
8.2.170.0120.00322.96
8.2.160.0070.00722.08
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0050.00322.08
8.2.120.0030.00526.35
8.2.110.0040.00721.14
8.2.100.0060.00617.79
8.2.90.0050.00317.74
8.2.80.0030.00617.97
8.2.70.0040.00418.05
8.2.60.0040.00419.20
8.2.50.0000.00818.10
8.2.40.0000.00720.72
8.2.30.0080.00021.00
8.2.20.0050.00218.14
8.2.10.0000.00718.05
8.2.00.0000.00717.55
8.1.280.0100.01025.92
8.1.270.0000.00823.99
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0090.00023.89
8.1.230.0090.00317.89
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0090.00017.35
8.1.190.0030.00617.35
8.1.180.0000.00818.10
8.1.170.0000.00818.52
8.1.160.0040.00423.80
8.1.150.0000.00718.80
8.1.140.0000.00819.51
8.1.130.0030.00317.71
8.1.120.0000.00717.54
8.1.110.0030.00517.46
8.1.100.0000.00817.38
8.1.90.0050.00517.44
8.1.80.0040.00417.48
8.1.70.0030.00517.46
8.1.60.0050.00317.59
8.1.50.0040.00417.45
8.1.40.0040.00417.43
8.1.30.0040.00717.59
8.1.20.0000.00717.51
8.1.10.0040.00417.48
8.1.00.0000.00817.50
8.0.300.0030.00621.55
8.0.290.0030.00616.63
8.0.280.0030.00318.44
8.0.270.0030.00617.26
8.0.260.0000.00617.31
8.0.250.0030.00316.99
8.0.240.0000.00616.94
8.0.230.0050.00216.94
8.0.220.0070.00016.89
8.0.210.0000.00616.86
8.0.200.0070.00016.96
8.0.190.0070.00016.96
8.0.180.0000.00716.79
8.0.170.0070.00016.80
8.0.160.0030.00516.95
8.0.150.0040.00416.88
8.0.140.0070.00416.85
8.0.130.0000.00513.40
8.0.120.0050.00316.83
8.0.110.0000.00716.95
8.0.100.0000.00716.72
8.0.90.0000.00716.69
8.0.80.0100.01016.83
8.0.70.0000.00716.95
8.0.60.0000.00816.70
8.0.50.0030.00316.78
8.0.30.0100.00917.12
8.0.20.0170.01617.40
8.0.10.0050.00316.93
8.0.00.0070.01016.60
7.4.330.0060.00015.55
7.4.320.0040.00416.38
7.4.300.0060.00016.50
7.4.290.0000.00716.66
7.4.280.0040.00416.63
7.4.270.0000.00616.44
7.4.260.0000.01016.39
7.4.250.0040.00416.52
7.4.240.0030.00316.37
7.4.230.0030.00316.34
7.4.220.0070.00716.48
7.4.210.0130.00316.46
7.4.200.0030.00316.63
7.4.160.0070.00916.44
7.4.150.0090.00917.40
7.4.140.0180.00317.86
7.4.130.0120.00716.46
7.4.120.0110.00616.32
7.4.110.0090.01216.57
7.4.100.0120.00616.57
7.4.90.0030.01716.68
7.4.80.0140.00719.39
7.4.70.0130.00316.39
7.4.60.0030.01316.66
7.4.50.0040.01516.16
7.4.40.0120.01216.51
7.4.30.0090.00916.53
7.4.00.0040.00814.57
7.3.330.0030.00313.17
7.3.320.0050.00013.13
7.3.310.0000.00716.26
7.3.300.0000.00716.32
7.3.290.0090.00816.33
7.3.280.0100.00616.32
7.3.270.0120.00617.40
7.3.260.0090.00816.48
7.3.250.0090.01016.45
7.3.240.0070.01316.31
7.3.230.0030.01416.60
7.3.210.0100.00716.55
7.3.200.0150.00616.32
7.3.190.0070.01116.26
7.3.180.0040.01216.41
7.3.170.0000.01716.37
7.3.160.0070.01016.57
7.2.330.0100.00716.46
7.2.320.0120.00916.42
7.2.310.0090.01316.52
7.2.300.0120.00616.64
7.2.290.0060.01016.85
7.2.60.0070.00716.63
7.2.00.0000.01619.72
7.1.200.0030.00815.92
7.1.100.0070.01118.23
7.1.70.0040.00416.92
7.1.60.0060.00617.19
7.1.50.0060.00617.14
7.1.00.0070.07022.45
7.0.200.0370.00314.57
7.0.120.0400.04720.22
7.0.110.0370.06320.35
7.0.100.0370.05720.32
7.0.90.0330.05720.31
7.0.80.0430.06720.17
7.0.70.0430.05020.23
7.0.60.0270.06020.21
7.0.50.0300.06320.32
7.0.40.0330.05720.30
7.0.30.0300.07720.35
7.0.20.0400.05320.30
7.0.10.0270.06320.30
7.0.00.0300.06320.27
5.6.270.0100.08021.12
5.6.260.0230.06020.97
5.6.250.0170.06721.09
5.6.240.0100.06320.89
5.6.230.0130.05721.04
5.6.220.0200.05720.92
5.6.210.0130.06021.01
5.6.200.0130.06720.84
5.6.190.0130.05321.07
5.6.180.0170.05020.82
5.6.170.0000.08020.76
5.6.160.0100.06321.00
5.6.150.0170.07320.86
5.6.140.0200.07021.00
5.6.130.0170.07021.04
5.6.120.0100.08021.02
5.6.110.0130.06020.97
5.6.100.0030.06321.03
5.6.90.0130.05320.79
5.6.80.0200.05020.48
5.6.70.0200.04720.25
5.6.60.0070.05720.23
5.6.50.0130.05320.39
5.6.40.0100.07720.11
5.6.30.0170.06720.29
5.6.20.0000.07320.11
5.6.10.0200.05720.17
5.6.00.0100.06320.43

preferences:
33.3 ms | 401 KiB | 5 Q