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]; } } $m = new Magic(); var_dump($m->d); $m->d[] = 4; var_dump($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)
8.3.70.0090.00616.38
8.3.60.0100.00716.75
8.3.50.0080.01016.42
8.3.40.0110.00718.92
8.3.30.0090.01218.84
8.3.20.0030.00521.04
8.3.10.0040.00421.95
8.3.00.0040.00419.66
8.2.180.0150.00616.75
8.2.170.0170.00322.96
8.2.160.0040.01120.35
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00020.60
8.2.120.0070.00026.35
8.2.110.0050.00320.41
8.2.100.0060.00617.91
8.2.90.0050.00519.34
8.2.80.0000.00818.05
8.2.70.0040.00417.38
8.2.60.0040.00418.01
8.2.50.0000.00818.10
8.2.40.0040.00422.15
8.2.30.0030.00520.97
8.2.20.0070.00318.10
8.2.10.0040.00417.94
8.2.00.0000.00718.01
8.1.280.0090.00925.92
8.1.270.0000.00722.19
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.81
8.1.230.0040.00720.86
8.1.220.0040.00417.76
8.1.210.0060.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.23
8.1.180.0050.00318.10
8.1.170.0000.00818.38
8.1.160.0000.00818.98
8.1.150.0000.00820.50
8.1.140.0050.00519.52
8.1.130.0070.00018.77
8.1.120.0000.00717.41
8.1.110.0050.00317.39
8.1.100.0030.00717.29
8.1.90.0060.00617.36
8.1.80.0000.00717.41
8.1.70.0030.00317.40
8.1.60.0040.00417.59
8.1.50.0030.00617.40
8.1.40.0040.00417.45
8.1.30.0060.00317.55
8.1.20.0000.00817.61
8.1.10.0040.00417.55
8.1.00.0000.00817.51
8.0.300.0040.00418.77
8.0.290.0050.00216.75
8.0.280.0040.00418.46
8.0.270.0100.00017.22
8.0.260.0080.00016.81
8.0.250.0030.00316.85
8.0.240.0000.00716.82
8.0.230.0000.00716.92
8.0.220.0000.00716.82
8.0.210.0070.00016.85
8.0.200.0030.00316.91
8.0.190.0000.00816.81
8.0.180.0000.00716.86
8.0.170.0070.00316.91
8.0.160.0000.00816.80
8.0.150.0030.00416.79
8.0.140.0080.00416.68
8.0.130.0000.00513.23
8.0.120.0080.00016.68
8.0.110.0000.00716.71
8.0.100.0000.00716.70
8.0.90.0080.00016.86
8.0.80.0070.00716.84
8.0.70.0020.00516.70
8.0.60.0000.00716.66
8.0.50.0080.00016.87
8.0.30.0120.00517.05
8.0.20.0100.01017.41
8.0.10.0050.00216.81
8.0.00.0120.00416.75
7.4.330.0050.00015.55
7.4.320.0030.00316.57
7.4.300.0030.00316.55
7.4.290.0030.00616.36
7.4.280.0070.00016.58
7.4.270.0070.00016.58
7.4.260.0050.00013.32
7.4.250.0030.00316.61
7.4.240.0020.00516.56
7.4.230.0030.00316.49
7.4.220.0160.01016.60
7.4.210.0060.01016.57
7.4.200.0030.00316.25
7.4.160.0090.00716.55
7.4.150.0100.00717.40
7.4.140.0110.01217.86
7.4.130.0110.00816.64
7.4.120.0120.00916.58
7.3.330.0050.00313.36
7.3.320.0000.00613.15
7.3.310.0080.00016.43
7.3.300.0030.00316.38
7.3.290.0000.00716.37
7.3.280.0090.00816.35
7.3.270.0070.01117.40
7.3.260.0050.01216.57
7.3.250.0110.00916.32
7.3.240.0080.00916.50
7.1.60.2400.02333.11

preferences:
52.37 ms | 401 KiB | 5 Q