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, $value) { if (is_null($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; } } $obj = new obj; var_dump(isset($obj["two"])); var_dump($obj["two"]); unset($obj["two"]); var_dump(isset($obj["two"])); $obj["two"] = "A value"; var_dump($obj["two"]); $obj[] = 'Append 1'; $obj[] = 'Append 2'; $obj[] = 'Append 3'; print_r($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)
8.3.60.0070.00716.75
8.3.50.0120.00822.88
8.3.40.0110.01118.79
8.3.30.0110.00319.03
8.3.20.0040.00420.30
8.3.10.0000.00823.36
8.3.00.0040.00419.50
8.2.180.0180.00418.16
8.2.170.0140.00722.96
8.2.160.0090.00620.35
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0030.00726.16
8.2.120.0000.00721.16
8.2.110.0070.00420.43
8.2.100.0110.00018.02
8.2.90.0050.00319.21
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0060.00318.05
8.2.50.0040.00418.07
8.2.40.0000.00918.16
8.2.30.0020.00519.50
8.2.20.0040.00417.71
8.2.10.0080.00018.19
8.2.00.0040.00417.66
8.1.280.0140.00025.92
8.1.270.0030.00523.82
8.1.260.0030.00626.35
8.1.250.0080.00028.09
8.1.240.0030.00719.00
8.1.230.0000.01119.09
8.1.220.0080.00017.80
8.1.210.0030.00518.77
8.1.200.0030.00617.35
8.1.190.0030.00517.22
8.1.180.0030.00618.10
8.1.170.0040.00418.43
8.1.160.0030.00522.02
8.1.150.0040.00418.96
8.1.140.0040.00417.47
8.1.130.0000.00717.75
8.1.120.0000.00717.48
8.1.110.0040.00417.46
8.1.100.0040.00417.38
8.1.90.0000.00717.44
8.1.80.0070.00017.46
8.1.70.0000.00717.42
8.1.60.0070.00717.60
8.1.50.0030.00517.54
8.1.40.0030.00617.52
8.1.30.0040.00417.55
8.1.20.0040.00417.52
8.1.10.0040.00417.46
8.1.00.0050.00317.50
8.0.300.0080.00018.77
8.0.290.0000.00716.75
8.0.280.0070.00018.33
8.0.270.0030.00317.27
8.0.260.0030.00317.26
8.0.250.0080.00016.89
8.0.240.0000.00816.99
8.0.230.0060.00316.90
8.0.220.0030.00316.88
8.0.210.0030.00416.96
8.0.200.0030.00316.98
8.0.190.0000.00917.03
8.0.180.0000.00716.82
8.0.170.0080.00016.80
8.0.160.0000.00816.88
8.0.150.0040.00416.91
8.0.140.0000.00716.89
8.0.130.0060.00013.27
8.0.120.0040.00416.88
8.0.110.0050.00216.93
8.0.100.0030.00316.84
8.0.90.0000.00717.02
8.0.80.0100.01016.91
8.0.70.0040.00416.79
8.0.60.0050.00317.02
8.0.50.0000.00717.02
8.0.30.0150.00517.03
8.0.20.0130.01417.40
8.0.10.0070.00017.02
8.0.00.0070.01016.78
7.4.330.0050.00015.15
7.4.320.0000.00616.53
7.4.300.0000.00616.62
7.4.290.0040.00416.54
7.4.280.0030.00616.55
7.4.270.0040.00416.65
7.4.260.0040.00416.50
7.4.250.0050.00316.43
7.4.240.0030.00516.52
7.4.230.0070.00016.50
7.4.220.0030.01516.58
7.4.210.0100.00316.63
7.4.200.0000.00716.32
7.4.160.0160.00016.67
7.4.150.0190.00817.40
7.4.140.0110.01017.86
7.4.130.0080.00916.52
7.4.120.0130.00316.58
7.4.110.0070.01016.62
7.4.100.0140.01016.38
7.4.90.0110.00716.50
7.4.80.0100.00719.39
7.4.70.0060.00916.54
7.4.60.0060.01216.38
7.4.50.0030.00516.43
7.4.40.0070.01016.55
7.4.30.0090.00616.33
7.4.00.0040.01214.88
7.3.330.0060.00013.16
7.3.320.0030.00313.22
7.3.310.0030.00316.39
7.3.300.0030.00316.25
7.3.290.0110.00316.46
7.3.280.0060.01016.40
7.3.270.0110.00717.40
7.3.260.0100.01016.34
7.3.250.0150.00316.48
7.3.240.0090.01216.61
7.3.230.0060.01016.54
7.3.210.0100.00616.44
7.3.200.0040.01319.39
7.3.190.0100.00716.31
7.3.180.0120.00416.37
7.3.170.0110.00516.65
7.3.160.0090.00616.56
7.2.330.0090.00916.89
7.2.320.0130.00616.56
7.2.310.0070.01016.84
7.2.300.0060.01216.93
7.2.290.0040.01216.70
7.2.00.0070.00719.16
7.1.100.0030.01018.25
7.1.70.0040.00417.13
7.1.60.0130.01019.46
7.1.50.0100.01316.96
7.1.00.0070.07322.45
7.0.200.0070.00016.88
7.0.140.0000.07721.98
7.0.60.0070.04020.09
7.0.50.0000.06317.87
7.0.40.0070.05020.21
7.0.30.0400.06720.07
7.0.20.0200.03720.24
7.0.10.0030.09020.06
7.0.00.0070.06320.19
5.6.280.0100.06721.00
5.6.210.0130.08020.54
5.6.200.0100.07018.14
5.6.190.0130.08020.46
5.6.180.0500.07320.46
5.6.170.0330.03320.44
5.6.160.0030.05720.57
5.6.150.0130.07018.25
5.6.140.0030.06018.21
5.6.130.0130.08018.14
5.6.120.0130.05720.94
5.6.110.0070.07321.10
5.6.100.0130.03321.05
5.6.90.0070.06020.98
5.6.80.0070.08020.38
5.5.350.0200.07720.44
5.5.340.0130.07318.04
5.5.330.0030.04320.29
5.5.320.0030.08320.37
5.5.310.0230.07320.26
5.5.300.0030.08018.07
5.5.290.0070.05317.94
5.5.280.0100.08320.77
5.5.270.0030.05020.67
5.5.260.0030.04720.94
5.5.250.0030.04020.72
5.5.240.0230.07720.01
5.4.450.0230.04319.48
5.4.440.0430.05019.27
5.4.430.0230.04319.30
5.4.420.0230.02319.19
5.4.410.0270.04319.29
5.4.400.0330.03719.00
5.4.390.0070.04318.87
5.4.380.0200.06318.72
5.4.370.0270.05318.49
5.4.360.0370.04318.50
5.4.350.0430.04018.78
5.4.340.0400.04318.79
5.4.320.0050.04312.51
5.4.310.0070.03712.50
5.4.300.0120.03412.50
5.4.290.0070.04112.50
5.4.280.0070.04812.41
5.4.270.0080.04112.41
5.4.260.0090.04712.41
5.4.250.0070.05412.40
5.4.240.0070.04112.40
5.4.230.0060.04412.39
5.4.220.0080.03812.39
5.4.210.0070.03712.39
5.4.200.0050.03812.39
5.4.190.0060.03612.39
5.4.180.0070.04712.39
5.4.170.0090.03912.40
5.4.160.0060.03612.40
5.4.150.0090.04612.40
5.4.140.0100.03512.08
5.4.130.0070.03512.07
5.4.120.0120.03812.02
5.4.110.0060.03512.02
5.4.100.0060.03812.02
5.4.90.0060.04012.02
5.4.80.0100.03912.02
5.4.70.0080.03312.01
5.4.60.0060.03512.02
5.4.50.0090.03812.02
5.4.40.0120.04112.01
5.4.30.0090.03512.00
5.4.20.0090.03912.00
5.4.10.0070.03412.00
5.4.00.0080.03411.49
5.3.290.0080.04012.80
5.3.280.0060.03912.71
5.3.270.0080.03812.72
5.3.260.0070.04212.72
5.3.250.0090.04012.72
5.3.240.0100.03512.72
5.3.230.0050.04012.71
5.3.220.0090.03512.68
5.3.210.0070.03812.68
5.3.200.0070.04112.68
5.3.190.0040.04412.67
5.3.180.0080.04712.67
5.3.170.0110.03912.67
5.3.160.0080.03412.68
5.3.150.0100.03712.67
5.3.140.0080.04212.66
5.3.130.0080.04012.66
5.3.120.0060.03912.66
5.3.110.0070.03912.66
5.3.100.0050.04012.13
5.3.90.0090.03912.11
5.3.80.0080.04012.10
5.3.70.0090.03612.10
5.3.60.0110.03912.09
5.3.50.0060.04512.04
5.3.40.0040.04212.03
5.3.30.0120.03612.00
5.3.20.0070.03711.77
5.3.10.0080.03311.74
5.3.00.0040.04211.72
5.2.170.0020.0349.23
5.2.160.0080.0329.23
5.2.150.0070.0319.23
5.2.140.0090.0279.23
5.2.130.0050.0299.18
5.2.120.0050.0289.18
5.2.110.0050.0309.19
5.2.100.0050.0289.19
5.2.90.0050.0299.19
5.2.80.0040.0319.18
5.2.70.0050.0309.18
5.2.60.0060.0299.14
5.2.50.0080.0299.11
5.2.40.0050.0299.08
5.2.30.0060.0309.06
5.2.20.0050.0349.05
5.2.10.0040.0298.96
5.2.00.0080.0298.81
5.1.60.0100.0278.09
5.1.50.0090.0288.09
5.1.40.0060.0258.07
5.1.30.0070.0378.43
5.1.20.0060.0268.45
5.1.10.0040.0288.17
5.1.00.0060.0258.18
5.0.50.0060.0196.65
5.0.40.0040.0196.51
5.0.30.0030.0336.32
5.0.20.0050.0216.29
5.0.10.0040.0306.27
5.0.00.0050.0326.27
4.4.90.0050.0224.78
4.4.80.0050.0204.76
4.4.70.0060.0174.76
4.4.60.0030.0204.75
4.4.50.0020.0164.77
4.4.40.0030.0254.71
4.4.30.0030.0164.76
4.4.20.0030.0174.84
4.4.10.0030.0154.85
4.4.00.0030.0264.76
4.3.110.0020.0204.67
4.3.100.0020.0164.66
4.3.90.0030.0154.63
4.3.80.0040.0244.58
4.3.70.0060.0214.63
4.3.60.0050.0234.63
4.3.50.0040.0194.63
4.3.40.0050.0234.54
4.3.30.0030.0183.30
4.3.20.0000.0183.28
4.3.10.0030.0223.23
4.3.00.0070.01318.56

preferences:
52.63 ms | 401 KiB | 5 Q