3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $values = [null, null]; public $a; public $b; public function assign(&$a, &$b) { $this->a = &$a; $this->b = &$b; } public function change() { $this->a = 5; $this->b = 'foo'; } } $a = new A(); $unused = &$a->values; $a->assign(...$unused); $a->change(); var_dump($a);

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)
8.3.60.0150.00318.53
8.3.50.0160.00618.17
8.3.40.0100.00719.09
8.3.30.0060.00918.60
8.3.20.0040.00424.18
8.3.10.0070.00724.66
8.3.00.0040.00426.16
8.2.180.0140.00725.92
8.2.170.0130.00718.87
8.2.160.0070.01022.96
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0000.00926.16
8.2.120.0110.00726.16
8.2.110.0080.00320.51
8.2.100.0110.00017.78
8.2.90.0030.00619.27
8.2.80.0050.00317.97
8.2.70.0050.00317.61
8.2.60.0080.00017.91
8.2.50.0040.00418.10
8.2.40.0040.00417.97
8.2.30.0040.00417.53
8.2.20.0000.00719.30
8.2.10.0000.00717.60
8.2.00.0040.00419.12
8.1.280.0120.00325.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00023.78
8.1.230.0050.00520.83
8.1.220.0030.00517.76
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0060.00317.35
8.1.180.0000.00818.10
8.1.170.0000.00818.45
8.1.160.0070.00019.04
8.1.150.0000.00718.49
8.1.140.0070.00017.35
8.1.130.0030.00318.74
8.1.120.0040.00417.29
8.1.110.0030.00517.32
8.1.100.0000.00717.40
8.1.90.0020.00517.36
8.1.80.0040.00417.38
8.1.70.0070.00017.34
8.1.60.0030.00617.53
8.1.50.0030.00617.50
8.1.40.0050.00317.50
8.1.30.0040.00417.67
8.1.20.0050.00317.49
8.1.10.0040.00417.56
8.1.00.0000.00717.36
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0000.00718.34
8.0.270.0070.00016.69
8.0.260.0000.00618.37
8.0.250.0040.00416.76
8.0.240.0040.00416.87
8.0.230.0030.00516.89
8.0.220.0040.00316.86
8.0.210.0040.00416.74
8.0.200.0030.00616.88
8.0.190.0000.00816.88
8.0.180.0000.00816.91
8.0.170.0060.00316.78
8.0.160.0000.00816.88
8.0.150.0000.00816.71
8.0.140.0040.00416.81
8.0.130.0030.00313.23
8.0.120.0050.00316.78
8.0.110.0040.00416.75
8.0.100.0000.00916.46
8.0.90.0060.00616.32
8.0.80.0090.00416.45
8.0.70.0040.00816.18
8.0.60.0110.00316.20
8.0.50.0050.00816.61
8.0.30.0120.00215.92
8.0.20.0080.00416.61
8.0.10.0000.01016.35
8.0.00.0030.00616.96
7.4.330.0000.00515.55
7.4.320.0070.00016.55
7.4.300.0070.00016.59
7.4.290.0040.00416.38
7.4.280.0040.00416.61
7.4.270.0080.00016.40
7.4.260.0060.00013.31
7.4.250.0000.01015.99
7.4.240.0110.00015.97
7.4.230.0090.00416.06
7.4.220.0050.00516.38
7.4.210.0060.00616.24
7.4.200.0000.00915.66
7.4.190.0050.00616.29
7.4.180.0000.01116.03
7.4.160.0020.00816.26
7.4.150.0080.00416.57
7.4.140.0120.00015.97
7.4.130.0080.00416.21
7.4.120.0080.00416.16
7.4.110.0000.01116.07
7.4.100.0030.00816.22
7.4.90.0080.00415.88
7.4.80.0050.00515.93
7.4.70.0060.00616.12
7.4.60.0100.00015.73
7.4.50.0060.00315.59
7.4.40.0060.00315.68
7.4.30.0050.00516.20
7.4.20.0040.00715.91
7.4.10.0070.00416.05
7.4.00.0080.00415.92
7.3.330.0000.00716.31
7.3.320.0050.00013.07
7.3.310.0100.00315.87
7.3.300.0070.00715.74
7.3.290.0110.00415.73
7.3.280.0140.00015.70
7.3.270.0080.00315.92
7.3.260.0040.00815.82
7.3.250.0110.00015.87
7.3.240.0150.00016.27
7.3.230.0030.00815.77
7.3.220.0080.00315.72
7.3.210.0070.00516.14
7.3.200.0080.00415.67
7.3.190.0090.00615.91
7.3.180.0030.01015.93
7.3.170.0070.00416.13
7.3.160.0030.00615.76
7.3.150.0040.00515.74
7.3.140.0040.00416.09
7.3.130.0100.00315.45
7.3.120.0100.00516.09
7.3.110.0140.00015.81
7.3.100.0120.00415.88
7.3.90.0040.00716.32
7.3.80.0140.00315.76
7.3.70.0080.00316.30
7.3.60.0130.00015.92
7.3.50.0060.00616.14
7.3.40.0040.00715.99
7.3.30.0110.00016.09
7.3.20.0100.00315.92
7.3.10.0210.00616.24
7.3.00.0040.00716.43

preferences:
79.95 ms | 400 KiB | 5 Q