3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Magic { protected $v = array("a" => 1, "b" => 2, "c" => 3); public function &__get($v) { return $this->v[$v]; } } $m = new Magic(); print_r($m->d); $m->d[] = 4; print_r($m->d); echo $m->d[0];

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)
8.3.60.0100.00718.40
8.3.50.0110.00716.49
8.3.40.0090.00618.84
8.3.30.0110.00318.83
8.3.20.0030.00519.10
8.3.10.0080.00021.89
8.3.00.0040.00419.60
8.2.180.0100.01016.38
8.2.170.0100.01022.96
8.2.160.0040.01120.43
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00420.45
8.2.120.0090.00026.35
8.2.110.0130.00620.96
8.2.100.0090.00317.91
8.2.90.0080.00019.34
8.2.80.0060.00318.05
8.2.70.0030.00517.63
8.2.60.0000.00817.93
8.2.50.0040.00418.10
8.2.40.0000.00922.36
8.2.30.0070.00020.98
8.2.20.0080.00018.14
8.2.10.0030.00518.13
8.2.00.0040.00418.11
8.1.280.0040.01125.92
8.1.270.0040.00422.02
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.75
8.1.230.0040.00717.52
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0030.00517.23
8.1.180.0040.00418.10
8.1.170.0000.00818.65
8.1.160.0040.00419.01
8.1.150.0000.00820.52
8.1.140.0060.00321.15
8.1.130.0000.00718.85
8.1.120.0030.00317.32
8.1.110.0000.00717.38
8.1.100.0040.00417.32
8.1.90.0080.00317.40
8.1.80.0050.00217.40
8.1.70.0030.00317.29
8.1.60.0080.00017.51
8.1.50.0060.00317.45
8.1.40.0040.00417.55
8.1.30.0090.00017.62
8.1.20.0040.00417.64
8.1.10.0050.00317.63
8.1.00.0040.00417.50
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0070.00018.32
8.0.270.0030.00717.31
8.0.260.0030.00316.73
8.0.250.0000.00716.97
8.0.240.0000.00816.96
8.0.230.0000.00816.90
8.0.220.0040.00416.75
8.0.210.0030.00316.73
8.0.200.0030.00316.76
8.0.190.0040.00416.92
8.0.180.0030.00516.81
8.0.170.0060.00316.84
8.0.160.0000.00816.82
8.0.150.0030.00516.79
8.0.140.0070.00416.78
8.0.130.0000.00513.21
8.0.120.0000.00716.79
8.0.110.0040.00416.68
8.0.100.0070.00016.79
8.0.90.0040.00416.66
8.0.80.0040.01116.81
8.0.70.0050.00216.82
8.0.60.0040.00416.95
8.0.50.0000.00716.80
8.0.30.0100.00716.99
8.0.20.0090.00917.40
8.0.10.0050.00316.97
8.0.00.0110.00717.02
7.4.330.0020.00215.55
7.4.320.0030.00316.53
7.4.300.0030.00316.56
7.4.290.0060.00616.46
7.4.280.0030.00516.58
7.4.270.0080.00016.53
7.4.260.0000.00513.39
7.4.250.0030.00316.55
7.4.240.0000.00816.61
7.4.230.0030.00316.25
7.4.220.0110.01416.59
7.4.210.0130.00316.69
7.4.200.0030.00416.34
7.4.160.0070.01016.62
7.4.150.0200.00017.40
7.4.140.0100.00917.86
7.4.130.0110.00816.48
7.4.120.0110.00816.61
7.3.330.0080.00013.44
7.3.320.0050.00013.38
7.3.310.0030.00616.22
7.3.300.0030.00316.29
7.3.290.0000.00716.24
7.3.280.0080.00716.36
7.3.270.0060.01217.40
7.3.260.0130.00716.39
7.3.250.0080.01116.40
7.3.240.0070.01216.32
7.1.60.1530.02733.04

preferences:
37.57 ms | 401 KiB | 5 Q