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 (empty($offset)) { $this->container[] = $value; } else { $this->container[$offset] = $value; } return 'abc'; } public function offsetExists($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; echo $obj[] = 'Append 1';

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)
8.3.60.0070.00718.43
8.3.50.0150.00721.14
8.3.40.0100.01019.02
8.3.30.0030.01320.23
8.3.20.0040.00420.26
8.3.10.0080.00022.00
8.3.00.0080.00022.57
8.2.180.0120.00617.00
8.2.170.0040.01122.96
8.2.160.0100.00322.20
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00020.75
8.2.110.0060.00321.18
8.2.100.0110.00020.38
8.2.90.0040.00419.76
8.2.80.0050.00218.28
8.2.70.0030.00618.03
8.2.60.0060.00318.09
8.2.50.0050.00318.10
8.2.40.0040.00419.48
8.2.30.0050.00319.46
8.2.20.0070.00017.70
8.2.10.0000.00817.63
8.2.00.0080.00317.84
8.1.280.0090.00625.92
8.1.270.0080.00023.99
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0080.00022.20
8.1.230.0040.00819.07
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0060.00317.23
8.1.190.0000.00817.35
8.1.180.0000.00818.10
8.1.170.0070.00020.85
8.1.160.0040.00422.21
8.1.150.0040.00418.59
8.1.140.0040.00417.50
8.1.130.0020.00517.85
8.1.120.0040.00417.50
8.1.110.0040.00417.38
8.1.100.0030.00517.49
8.1.90.0000.00717.47
8.1.80.0050.00317.52
8.1.70.0000.00717.44
8.1.60.0030.00617.49
8.1.50.0040.00417.54
8.1.40.0040.00817.56
8.1.30.0000.00717.56
8.1.20.0030.00617.69
8.1.10.0000.00817.54
8.1.00.0100.00017.44
8.0.300.0000.00719.56
8.0.290.0050.00316.75
8.0.280.0000.00718.52
8.0.270.0000.00817.32
8.0.260.0030.00316.73
8.0.250.0000.00717.02
8.0.240.0000.00816.86
8.0.230.0070.00017.00
8.0.220.0040.00416.96
8.0.210.0000.00716.78
8.0.200.0030.00316.97
8.0.190.0040.00416.99
8.0.180.0030.00516.83
8.0.170.0000.00916.99
8.0.160.0040.00416.96
8.0.150.0030.00316.86
8.0.140.0040.00716.84
8.0.130.0000.00613.34
8.0.120.0080.00016.75
8.0.110.0040.00416.92
8.0.100.0040.00416.79
8.0.90.0040.00416.85
8.0.80.0160.00016.96
8.0.70.0040.00416.77
8.0.60.0000.00716.98
8.0.50.0040.00416.96
8.0.30.0100.01216.87
8.0.20.0130.00717.40
8.0.10.0080.00017.14
8.0.00.0080.01516.90
7.4.330.0000.00616.73
7.4.320.0060.00016.38
7.4.300.0050.00216.60
7.4.290.0000.00716.57
7.4.280.0030.00616.50
7.4.270.0040.00416.51
7.4.260.0000.00513.23
7.4.250.0040.00416.53
7.4.240.0070.00016.57
7.4.230.0000.00716.71
7.4.220.0110.00616.57
7.4.210.0080.00816.63
7.4.200.0030.00316.48
7.4.190.0000.00716.66
7.4.160.0100.01316.51
7.4.150.0070.01117.40
7.4.140.0120.00517.86
7.4.130.0110.00716.61
7.4.120.0120.01216.46
7.4.110.0030.01416.65
7.4.100.0040.01516.37
7.4.90.0060.01016.59
7.4.80.0090.00919.39
7.4.70.0170.00016.47
7.4.60.0110.00716.36
7.4.50.0080.00016.61
7.4.40.0070.00722.77
7.4.30.0080.00816.36
7.4.00.0030.01414.94
7.3.330.0050.00013.17
7.3.320.0080.00013.23
7.3.310.0030.00316.39
7.3.300.0000.00716.31
7.3.290.0100.00316.34
7.3.280.0110.00716.31
7.3.270.0080.01217.40
7.3.260.0140.00516.46
7.3.250.0090.00916.37
7.3.240.0070.01516.51
7.3.230.0110.01516.39
7.3.210.0120.00616.48
7.3.200.0070.01019.39
7.3.190.0160.00616.21
7.3.180.0110.00416.23
7.3.170.0100.01016.56
7.3.160.0120.00816.36
7.3.120.0130.00314.91
7.2.330.0120.00616.77
7.2.320.0110.00716.66
7.2.310.0040.01316.68
7.2.300.0130.00616.90
7.2.290.0070.01716.83
7.2.00.0030.01219.41
7.1.100.0060.00617.97
7.1.70.0030.00917.15
7.1.60.0110.01519.17
7.1.50.0060.01216.89
7.1.00.0030.07722.31
7.0.200.0090.00316.52
7.0.140.0000.07721.92
7.0.100.0170.05019.99
7.0.90.0070.08019.92
7.0.80.0100.07719.95
7.0.70.0100.08019.85
7.0.60.0100.08019.96
7.0.50.0130.07020.41
7.0.40.0130.08020.04
7.0.30.0200.07320.13
7.0.20.0130.08320.14
7.0.10.0100.08020.18
7.0.00.0030.09020.07
5.6.280.0070.07021.04
5.6.250.0170.07020.67
5.6.240.0200.07020.73
5.6.230.0070.08720.64
5.6.220.0130.07720.63
5.6.210.0070.04720.63
5.6.200.0100.07721.13
5.6.190.0070.08020.97
5.6.180.0170.07320.96
5.6.170.0030.07021.06
5.6.160.0070.08321.11
5.6.150.0070.08721.14
5.6.140.0030.04321.05
5.6.130.0070.07021.11
5.6.120.0100.03720.94
5.6.110.0030.04321.02
5.6.100.0070.04021.07
5.6.90.0100.05020.95
5.6.80.0000.04320.33
5.6.70.0070.03720.43
5.6.60.0000.08720.51
5.6.50.0030.08720.45
5.6.40.0000.08720.36
5.6.30.0070.03720.48
5.6.20.0030.03720.49
5.6.10.0070.03320.53
5.6.00.0070.05320.52
5.5.380.0170.06320.37
5.5.370.0100.07720.55
5.5.360.0070.08020.45
5.5.350.0130.07720.43
5.5.340.0100.07320.93
5.5.330.0100.08020.76
5.5.320.0070.08320.77
5.5.310.0070.07320.84
5.5.300.0130.05720.84
5.5.290.0070.04720.84
5.5.280.0000.04720.87
5.5.270.0070.04020.86
5.5.260.0100.03720.84
5.5.250.0100.04320.75
5.5.240.0030.04020.25
5.5.230.0030.03720.02
5.5.220.0030.04720.11
5.5.210.0130.07020.21
5.5.200.0030.07020.15
5.5.190.0030.04020.13
5.5.180.0000.05320.29
5.5.160.0030.04020.24
5.5.150.0170.04320.28
5.5.140.0100.04320.11
5.5.130.0070.03720.21
5.5.120.0070.03720.18
5.5.110.0030.04020.13
5.5.100.0100.03720.14
5.5.90.0130.02320.13
5.5.80.0000.08320.08
5.5.70.0100.03320.07
5.5.60.0030.03320.10
5.5.50.0030.04320.12
5.5.40.0030.03320.04
5.5.30.0030.03720.10
5.5.20.0030.04020.13
5.5.10.0030.04020.18
5.5.00.0070.05020.02
5.4.450.0000.04319.46
5.4.440.0030.04019.46
5.4.430.0030.04019.44
5.4.420.0070.03719.55
5.4.410.0070.04719.10
5.4.400.0030.05719.18
5.4.390.0030.07319.12
5.4.380.0100.07319.05
5.4.370.0100.07319.03
5.4.360.0070.07319.21
5.4.350.0030.05019.20
5.4.340.0000.04019.11
5.4.320.0000.03718.88
5.4.310.0030.03319.09
5.4.300.0030.06319.04
5.4.290.0000.04019.17
5.4.280.0030.03718.89
5.4.270.0000.04019.09
5.4.260.0000.04018.95
5.4.250.0030.04319.17
5.4.240.0070.03318.99
5.4.230.0000.04019.23
5.4.220.0000.04019.20
5.4.210.0070.03018.87
5.4.200.0030.03719.11
5.4.190.0030.03719.12
5.4.180.0070.03719.15
5.4.170.0030.04019.09
5.4.160.0100.03018.92
5.4.150.0030.03319.14
5.4.140.0100.06316.38
5.4.130.0100.07016.36
5.4.120.0070.05316.36
5.4.110.0030.06716.39
5.4.100.0070.04716.49
5.4.90.0170.07316.44
5.4.80.0070.07316.34
5.4.70.0100.07316.48
5.4.60.0100.06716.42
5.4.50.0130.06716.33
5.4.40.0100.07316.33
5.4.30.0030.07316.48
5.4.20.0070.04316.36
5.4.10.0030.07016.36
5.4.00.0070.05315.86
5.3.290.0030.05314.65
5.3.280.0030.03314.65
5.3.270.0070.05314.77
5.3.260.0030.04014.72
5.3.250.0000.04014.58
5.3.240.0000.05014.60
5.3.230.0030.03314.70
5.3.220.0070.07314.70
5.3.210.0100.06314.67
5.3.200.0070.08014.62
5.3.190.0100.06714.66
5.3.180.0070.07314.65
5.3.170.0070.06314.69
5.3.160.0070.08014.63
5.3.150.0100.06714.69
5.3.140.0070.07314.62
5.3.130.0070.04314.45
5.3.120.0100.08014.48
5.3.110.0100.05714.64
5.3.100.0030.07714.04
5.3.90.0000.07313.96
5.3.80.0030.05714.08
5.3.70.0100.06713.91
5.3.60.0030.03713.91
5.3.50.0130.06713.88
5.3.40.0070.05314.06
5.3.30.0030.04314.04
5.3.20.0070.07313.75
5.3.10.0070.06713.80
5.3.00.0030.04313.76
5.2.170.0100.04711.66
5.2.160.0070.05711.66
5.2.150.0030.06011.66
5.2.140.0170.03011.66
5.2.130.0000.06711.66
5.2.120.0100.05011.66
5.2.110.0070.06011.66
5.2.100.0030.06311.66
5.2.90.0100.05311.66
5.2.80.0070.05711.66
5.2.70.0000.07011.66
5.2.60.0070.06011.66
5.2.50.0070.05011.66
5.2.40.0070.05711.66
5.2.30.0070.05711.66
5.2.20.0070.06011.66
5.2.10.0100.05711.66
5.2.00.0170.04711.66
5.1.60.0070.02311.66
5.1.50.0070.04711.66
5.1.40.0030.05311.66
5.1.30.0070.06011.66
5.1.20.0070.05711.66
5.1.10.0030.05311.66
5.1.00.0070.03711.66
5.0.50.0000.03011.66
5.0.40.0030.04311.66
5.0.30.0070.05711.66
5.0.20.0030.04311.66
5.0.10.0000.04711.66
5.0.00.0130.05011.66
4.4.90.0000.03311.66
4.4.80.0030.02311.66
4.4.70.0000.03311.66
4.4.60.0030.03311.66
4.4.50.0070.03311.66
4.4.40.0030.05311.66
4.4.30.0030.03011.66
4.4.20.0030.03711.66
4.4.10.0070.02711.66
4.4.00.0070.05011.66
4.3.110.0070.03011.66
4.3.100.0000.02711.66
4.3.90.0030.03311.66
4.3.80.0030.05311.66
4.3.70.0000.03311.66
4.3.60.0030.03711.66
4.3.50.0000.03711.66
4.3.40.0030.04711.66
4.3.30.0000.03711.66
4.3.20.0070.01711.66
4.3.10.0000.03011.66
4.3.00.0030.03311.66

preferences:
42.93 ms | 401 KiB | 5 Q