3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj implements arrayaccess { private $container = array(); public function __construct() { $this->container = array( "one" => 1, "two" => 2, "three" => 3, ); } public function offsetSet($offset, $value) { var_dump($offset); if (is_null($offset)) { $this->container[] = $value; } else { $this->container[$offset] = $value; } } public function offsetExists($offset) { return isset($this->container[$offset]); } public function offsetUnset($offset) { unset($this->container[$offset]); } public function offsetGet($offset) { return isset($this->container[$offset]) ? $this->container[$offset] : null; } } $obj = new obj; $obj[0] = 'Append 1'; print_r($obj);

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)
8.3.60.0030.01018.43
8.3.50.0120.01021.21
8.3.40.0140.00619.02
8.3.30.0200.00020.07
8.3.20.0040.00420.34
8.3.10.0040.00421.92
8.3.00.0140.00322.50
8.2.180.0080.00818.54
8.2.170.0100.01022.96
8.2.160.0140.00022.08
8.2.150.0120.00624.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0060.00320.78
8.2.110.0070.00321.09
8.2.100.0160.00017.91
8.2.90.0060.00317.75
8.2.80.0040.00418.92
8.2.70.0060.00317.63
8.2.60.0060.00317.63
8.2.50.0050.00318.04
8.2.40.0030.00619.13
8.2.30.0040.00419.45
8.2.20.0040.00417.78
8.2.10.0070.00017.57
8.2.00.0040.00417.63
8.1.280.0140.00725.92
8.1.270.0050.00323.99
8.1.260.0000.00826.35
8.1.250.0070.01028.09
8.1.240.0050.00519.54
8.1.230.0040.00720.99
8.1.220.0060.00318.56
8.1.210.0080.00018.77
8.1.200.0080.00017.36
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0000.00717.62
8.1.160.0100.00018.94
8.1.150.0040.00418.65
8.1.140.0060.00317.46
8.1.130.0000.00717.95
8.1.120.0000.00717.48
8.1.110.0050.00317.49
8.1.100.0040.00417.54
8.1.90.0040.00417.38
8.1.80.0000.00717.49
8.1.70.0020.00517.42
8.1.60.0040.00417.48
8.1.50.0000.00717.50
8.1.40.0040.00817.36
8.1.30.0040.00417.55
8.1.20.0040.00417.59
8.1.10.0000.00817.44
8.1.00.0000.00817.30
8.0.300.0000.00718.77
8.0.290.0000.00916.75
8.0.280.0070.00018.45
8.0.270.0000.00717.31
8.0.260.0000.00716.84
8.0.250.0080.00017.02
8.0.240.0000.00917.01
8.0.230.0030.00316.86
8.0.220.0000.00816.95
8.0.210.0000.00716.83
8.0.200.0000.00616.98
8.0.190.0070.00417.01
8.0.180.0050.00316.91
8.0.170.0000.00916.86
8.0.160.0050.00316.77
8.0.150.0000.00716.86
8.0.140.0030.00616.76
8.0.130.0050.00013.28
8.0.120.0050.00316.90
8.0.110.0040.00416.85
8.0.100.0000.00816.92
8.0.90.0030.00516.94
8.0.80.0090.00616.84
8.0.70.0050.00216.76
8.0.60.0000.00816.86
8.0.50.0030.00516.90
8.0.30.0130.00617.10
8.0.20.0120.00617.40
8.0.10.0050.00317.13
8.0.00.0070.01316.87
7.4.330.0000.00516.74
7.4.320.0060.00016.43
7.4.300.0000.00716.52
7.4.290.0030.00316.52
7.4.280.0070.00016.59
7.4.270.0000.00716.57
7.4.260.0060.00013.30
7.4.250.0000.00716.56
7.4.240.0040.00316.56
7.4.230.0000.00716.32
7.4.220.0130.00716.47
7.4.210.0060.01216.59
7.4.200.0040.00416.58
7.4.190.0030.00316.70
7.4.160.0110.00616.52
7.4.150.0110.00617.40
7.4.140.0080.01017.86
7.4.130.0090.00816.45
7.4.120.0050.01116.61
7.4.110.0130.00316.63
7.4.100.0140.00716.69
7.4.90.0090.00616.43
7.4.80.0100.00719.39
7.4.70.0120.00416.50
7.4.60.0070.01016.47
7.4.50.0040.00416.34
7.4.40.0080.00422.77
7.4.30.0120.00416.45
7.4.00.0070.00715.22
7.3.330.0000.00513.20
7.3.320.0020.00213.32
7.3.310.0050.00316.47
7.3.300.0000.00716.23
7.3.290.0040.00816.34
7.3.280.0110.00616.36
7.3.270.0130.00917.40
7.3.260.0170.00316.63
7.3.250.0140.00516.57
7.3.240.0120.00616.43
7.3.230.0110.00616.47
7.3.210.0120.00616.30
7.3.200.0090.00919.39
7.3.190.0100.01016.28
7.3.180.0130.00316.46
7.3.170.0090.00616.50
7.3.160.0030.01216.54
7.3.120.0070.00717.15
7.3.110.0000.01617.15
7.3.100.0050.01217.15
7.3.90.0030.00717.15
7.3.80.0060.01217.15
7.3.70.0090.00917.15
7.3.60.0120.00017.15
7.3.50.0000.01117.15
7.3.40.0060.00917.15
7.3.30.0000.01517.15
7.3.20.0000.01417.15
7.3.10.0030.01017.15
7.3.00.0070.01017.15
7.2.330.0100.00716.46
7.2.320.0110.01116.52
7.2.310.0090.01216.84
7.2.300.0060.01216.75
7.2.290.0030.01316.68
7.2.240.0100.00317.15
7.2.230.0090.00617.15
7.2.220.0060.00617.15
7.2.210.0060.01017.15
7.2.200.0100.00717.15
7.2.190.0070.00317.15
7.2.180.0090.00617.15
7.2.170.0030.01017.15
7.2.160.0070.00717.15
7.2.150.0070.00717.15
7.2.140.0090.00617.15
7.2.130.0110.00717.15
7.2.120.0030.01217.15
7.2.110.0070.01117.15
7.2.100.0040.00817.15
7.2.90.0100.00717.15
7.2.80.0070.01017.19
7.2.70.0100.00717.15
7.2.60.0100.00617.15
7.2.50.0030.01617.15
7.2.40.0070.01017.15
7.2.30.0070.01117.15
7.2.20.0080.01217.15
7.2.10.0030.00717.15
7.2.00.0050.01018.38
7.1.330.0000.01217.15
7.1.320.0150.00017.15
7.1.310.0040.00817.15
7.1.300.0040.01117.15
7.1.290.0070.01017.15
7.1.280.0030.01017.15
7.1.270.0100.00317.15
7.1.260.0110.00417.15
7.1.250.0060.00617.15
7.1.200.0060.00315.66
7.1.100.0060.00618.29
7.1.70.0000.00917.25
7.1.60.0100.01619.17
7.1.50.0030.01716.99
7.1.00.0000.08022.43
7.0.200.0000.00716.79
7.0.140.0030.07322.10
7.0.70.0270.06020.14
7.0.60.0770.08020.00
7.0.50.0930.08020.40
7.0.40.0000.06020.19
7.0.30.0170.07020.18
7.0.20.0130.08320.04
7.0.10.0130.07320.14
7.0.00.0270.07020.18
5.6.280.0070.07321.13
5.6.220.0100.08320.59
5.6.210.0130.04320.50
5.6.200.0100.08321.13
5.6.190.0130.03721.11
5.6.180.0000.05320.98
5.6.170.0070.09021.01
5.6.160.0070.08320.97
5.6.150.0100.07721.09
5.6.140.0070.08321.02
5.6.130.0100.07721.08
5.6.120.0030.08321.09
5.6.110.0100.04721.17
5.6.100.0070.06021.17
5.6.90.0100.04021.01
5.6.80.0070.08020.40
5.6.70.0100.03720.50
5.6.60.0100.06320.43
5.6.50.0070.05320.43
5.6.40.0130.07320.50
5.6.30.0100.08020.50
5.6.20.0170.07320.30
5.6.10.0100.08320.46
5.6.00.0100.06720.28
5.5.360.0100.06020.36
5.5.350.0100.08020.34
5.5.340.0100.08020.93
5.5.330.0230.06320.89
5.5.320.0130.07320.93
5.5.310.0100.08320.85
5.5.300.0100.08720.93
5.5.290.0100.07020.91
5.5.280.0030.08320.89
5.5.270.0000.07320.93
5.5.260.0230.07320.82
5.5.250.0100.08020.75
5.5.240.0030.05720.28
5.5.230.0070.05720.12
5.5.220.0100.07720.24
5.5.210.0170.07320.26
5.5.200.0100.08320.28
5.5.190.0070.05020.18
5.5.180.0100.07720.26
5.5.160.0100.08320.24
5.5.150.0030.08320.08
5.5.140.0070.07720.23
5.5.130.0100.05320.24
5.5.120.0170.07720.18
5.5.110.0100.05720.22
5.5.100.0100.05720.11
5.5.90.0100.04020.08
5.5.80.0070.08020.18
5.5.70.0100.07320.07
5.5.60.0030.05019.97
5.5.50.0000.08020.06
5.5.40.0030.08320.20
5.5.30.0070.05719.96
5.5.20.0070.05020.00
5.5.10.0030.08320.13
5.5.00.0070.06720.06
5.4.450.0030.09019.52
5.4.440.0100.07719.36
5.4.430.0100.06319.53
5.4.420.0030.08019.50
5.4.410.0070.07319.23
5.4.400.0070.04318.93
5.4.390.0100.04319.20
5.4.380.0070.03719.13
5.4.370.0030.08319.23
5.4.360.0130.07719.23
5.4.350.0070.08018.88
5.4.340.0000.05719.04
5.4.320.0030.05019.04
5.4.310.0070.05319.03
5.4.300.0030.08319.21
5.4.290.0130.06018.84
5.4.280.0070.08319.16
5.4.270.0030.08319.21
5.4.260.0070.03719.22
5.4.250.0170.07018.84
5.4.240.0070.04719.12
5.4.230.0100.07719.17
5.4.220.0030.05019.12
5.4.210.0030.05318.84
5.4.200.0130.06719.08
5.4.190.0030.08019.19
5.4.180.0100.08019.08
5.4.170.0100.07318.87
5.4.160.0030.08319.02
5.4.150.0000.07019.10
5.4.140.0070.08016.34
5.4.130.0200.04716.32
5.4.120.0000.04016.51
5.4.110.0070.07016.28
5.4.100.0100.07016.48
5.4.90.0100.06016.41
5.4.80.0130.06316.54
5.4.70.0030.05316.49
5.4.60.0070.07316.47
5.4.50.0070.06716.48
5.4.40.0070.05316.42
5.4.30.0130.07016.36
5.4.20.0030.06716.40
5.4.10.0100.06716.25
5.4.00.0100.07015.91
5.3.290.0070.07714.78
5.3.280.0070.06714.63
5.3.270.0070.08014.72
5.3.260.0030.06014.59
5.3.250.0070.07714.54
5.3.240.0070.08014.64
5.3.230.0070.04014.60
5.3.220.0030.08014.54
5.3.210.0030.08014.64
5.3.200.0170.06314.63
5.3.190.0070.08014.55
5.3.180.0130.06314.54
5.3.170.0030.07314.51
5.3.160.0030.05314.50
5.3.150.0100.07314.66
5.3.140.0070.07014.70
5.3.130.0170.06714.52
5.3.120.0130.07014.65
5.3.110.0170.07314.52
5.3.100.0030.07714.06
5.3.90.0030.08313.95
5.3.80.0030.08314.04
5.3.70.0030.08013.93
5.3.60.0000.08014.03
5.3.50.0100.07013.97
5.3.40.0170.06314.05
5.3.30.0000.07713.94
5.3.20.0070.04313.70
5.3.10.0100.07013.59
5.3.00.0130.06713.74
5.2.170.0070.06312.26
5.2.160.0070.05312.26
5.2.150.0100.06012.26
5.2.140.0100.05012.26
5.2.130.0070.06012.26
5.2.120.0100.05312.26
5.2.110.0030.06312.26
5.2.100.0030.05012.26
5.2.90.0100.05712.26
5.2.80.0000.07012.26
5.2.70.0030.06312.26
5.2.60.0070.05712.26
5.2.50.0070.05712.26
5.2.40.0100.05712.26
5.2.30.0070.06712.26
5.2.20.0030.05312.26
5.2.10.0030.06712.26
5.2.00.0100.05312.26
5.1.60.0100.03312.26
5.1.50.0070.03712.26
5.1.40.0100.04712.26
5.1.30.0100.05012.26
5.1.20.0100.05012.26
5.1.10.0000.06012.26
5.1.00.0030.05712.26
5.0.50.0030.04012.26
5.0.40.0070.04312.26
5.0.30.0070.05012.26
5.0.20.0030.03712.26
5.0.10.0100.04012.26
5.0.00.0000.04312.26
4.4.90.0070.03312.26
4.4.80.0070.03012.26
4.4.70.0000.03712.26
4.4.60.0000.03712.26
4.4.50.0030.02712.26
4.4.40.0070.05012.26
4.4.30.0000.03712.26
4.4.20.0000.03312.26
4.4.10.0000.03712.26
4.4.00.0000.05312.26
4.3.110.0030.03012.26
4.3.100.0030.03712.26
4.3.90.0070.02712.26
4.3.80.0000.03712.26
4.3.70.0030.02012.26
4.3.60.0030.03712.26
4.3.50.0000.03312.26
4.3.40.0030.04012.26
4.3.30.0000.03712.26
4.3.20.0030.02712.26
4.3.10.0030.03712.26
4.3.00.0000.03712.26

preferences:
138.35 ms | 401 KiB | 5 Q