3v4l.org

run code in 300+ PHP versions simultaneously
<?php class DefaultMap implements ArrayAccess { private $array; private $default; public function __construct($default = null) { $this->array = []; $this->default = $default; } public function &offsetGet($key) { if (!isset($this->array[$key])) { $this->array[$key] = $this->default; } return $this->array[$key]; } public function offsetSet($key, $value) { $this->array[$key] = $value; } public function offsetExists($key) { return isset($this->array[$key]); } public function offsetUnset($key) { unset($this->array[$key]); } public function toArray() { return $this->array; } } $map = new DefaultMap(0); $map["foo"]++; var_dump($map->toArray());

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)
8.3.70.0090.00916.75
8.3.60.0160.00316.75
8.3.50.0070.01318.20
8.3.40.0080.00818.72
8.3.30.0100.00318.79
8.3.20.0040.00421.65
8.3.10.0040.00421.73
8.3.00.0080.00022.34
8.2.190.0060.01016.58
8.2.180.0150.00316.63
8.2.170.0190.00022.96
8.2.160.0060.00819.45
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0020.00526.16
8.2.110.0090.00020.39
8.2.100.0110.00017.84
8.2.90.0060.00317.75
8.2.80.0040.00418.05
8.2.70.0000.00818.05
8.2.60.0050.00318.16
8.2.50.0040.00418.10
8.2.40.0000.00819.24
8.2.30.0040.00419.23
8.2.20.0050.00218.00
8.2.10.0070.00019.19
8.2.00.0000.00719.32
8.1.280.0110.00425.92
8.1.270.0040.00720.54
8.1.260.0030.00526.35
8.1.250.0050.00328.09
8.1.240.0060.00323.92
8.1.230.0080.00420.29
8.1.220.0000.00817.78
8.1.210.0090.00018.77
8.1.200.0060.00317.36
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0050.00318.36
8.1.160.0000.00718.77
8.1.150.0040.00418.77
8.1.140.0070.00020.81
8.1.130.0040.00420.14
8.1.120.0030.00317.30
8.1.110.0000.00717.42
8.1.100.0040.00417.36
8.1.90.0050.00217.51
8.1.80.0070.00017.48
8.1.70.0030.00317.34
8.1.60.0050.00317.59
8.1.50.0080.00017.51
8.1.40.0000.00817.55
8.1.30.0030.00617.70
8.1.20.0000.00817.68
8.1.10.0000.00917.48
8.1.00.0020.00517.41
8.0.300.0070.00019.77
8.0.290.0030.00516.88
8.0.280.0000.00718.45
8.0.270.0000.00717.22
8.0.260.0030.00320.07
8.0.250.0050.00316.97
8.0.240.0070.00016.92
8.0.230.0040.00416.98
8.0.220.0070.00016.96
8.0.210.0060.00016.85
8.0.200.0060.00016.82
8.0.190.0030.00616.84
8.0.180.0060.00316.90
8.0.170.0040.00416.91
8.0.160.0000.00716.89
8.0.150.0000.00716.88
8.0.140.0030.00316.90
8.0.130.0030.00313.39
8.0.120.0040.00416.76
8.0.110.0000.00716.71
8.0.100.0000.00716.83
8.0.90.0030.00616.96
8.0.80.0100.00816.88
8.0.70.0040.00416.79
8.0.60.0050.00316.96
8.0.50.0080.00016.76
8.0.30.0090.01217.00
8.0.20.0140.00416.82
8.0.10.0000.00816.89
8.0.00.0090.01316.98
7.4.330.0000.00515.55
7.4.320.0000.00616.60
7.4.300.0000.00616.50
7.4.290.0000.00716.50
7.4.280.0040.00416.61
7.4.270.0000.00716.51
7.4.260.0030.00313.27
7.4.250.0060.00016.56
7.4.240.0020.00616.51
7.4.230.0030.00316.41
7.4.220.0020.00516.70
7.4.210.0070.00916.52
7.4.200.0070.00016.50
7.4.140.0110.00917.86
7.4.130.0040.01616.64
7.4.120.0160.00716.64
7.4.110.0080.01216.59
7.4.100.0030.01316.59
7.4.90.0080.00816.51
7.4.80.0120.00919.39
7.4.70.0000.01716.74
7.4.60.0150.00616.54
7.4.50.0030.01316.50
7.4.40.0100.00716.47
7.4.00.0180.00014.81
7.3.330.0080.00016.33
7.3.320.0000.00513.38
7.3.310.0000.00716.33
7.3.300.0040.00416.39
7.3.290.0020.01416.36
7.3.280.0090.00616.36
7.3.260.0060.01216.54
7.3.240.0090.00816.44
7.3.230.0100.00716.58
7.3.210.0070.01016.54
7.3.200.0060.00916.45
7.3.190.0090.00616.68
7.3.180.0150.00816.49
7.3.170.0040.01216.26
7.3.160.0040.01116.33
7.3.90.0040.01014.96
7.3.80.0030.01014.87
7.3.70.0110.00314.79
7.3.60.0040.01614.88
7.3.50.0030.01014.80
7.3.40.0060.00814.64
7.3.30.0030.01014.87
7.3.20.0160.00014.98
7.3.10.0110.00714.88
7.3.00.0130.00314.97
7.2.330.0100.00716.78
7.2.320.0030.01416.79
7.2.310.0100.01416.62
7.2.300.0080.01016.58
7.2.290.0130.00316.38
7.2.220.0110.00415.13
7.2.210.0040.01115.02
7.2.200.0090.00614.72
7.2.190.0030.01214.92
7.2.180.0100.00315.13
7.2.170.0080.00515.08
7.2.160.0100.00314.73
7.2.150.0090.00915.00
7.2.140.0130.00314.91
7.2.130.0200.00315.28
7.2.120.0190.00314.98
7.2.110.0090.01315.00
7.2.100.0190.00315.20
7.2.90.0110.01114.78
7.2.80.0110.01115.29
7.2.70.0060.01615.11
7.2.60.0040.01715.17
7.2.50.0090.01314.97
7.2.40.0200.00315.01
7.2.30.0160.00615.26
7.2.20.0110.01115.29
7.2.10.0160.00614.81
7.2.00.0190.00315.16
7.1.320.0080.00813.90
7.1.310.0040.01214.03
7.1.300.0030.01113.92
7.1.290.0120.00313.87
7.1.280.0120.00414.13
7.1.270.0090.00614.05
7.1.260.0120.00313.96
7.1.250.0100.01013.92

preferences:
81.59 ms | 401 KiB | 5 Q