3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyStuff extends ArrayObject { function offsetGet($offset) { echo "Called"; return parent::offsetGet($offset); } } $array = array('foo' => 42); $array_object = new MyStuff($array); var_dump(isset($array['foo'])); //true var_dump(empty($array['foo'])); //false var_dump(isset($array_object['foo'])); //should be true (offsetGet not called) var_dump(empty($array_object['foo'])); //should be false (offsetGet called)

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)
8.3.60.0140.00016.59
8.3.50.0100.00522.01
8.3.40.0150.00018.92
8.3.30.0140.00719.13
8.3.20.0050.00320.27
8.3.10.0040.00423.64
8.3.00.0080.00019.51
8.2.180.0180.00418.40
8.2.170.0040.01122.96
8.2.160.0130.00720.35
8.2.150.0180.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00022.27
8.2.110.0070.00322.20
8.2.100.0100.00319.51
8.2.90.0040.00419.12
8.2.80.0080.00017.97
8.2.70.0070.00317.63
8.2.60.0080.00018.05
8.2.50.0000.00918.07
8.2.40.0090.00019.91
8.2.30.0000.00717.97
8.2.20.0080.00017.64
8.2.10.0030.00618.00
8.2.00.0040.00417.68
8.1.280.0040.01125.92
8.1.270.0070.00323.80
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.64
8.1.230.0070.00319.01
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0000.00817.38
8.1.180.0060.00318.10
8.1.170.0000.00818.57
8.1.160.0040.00421.96
8.1.150.0000.00818.45
8.1.140.0040.00417.44
8.1.130.0000.00717.87
8.1.120.0030.00417.45
8.1.110.0040.00417.37
8.1.100.0070.00017.32
8.1.90.0040.00417.39
8.1.80.0000.00817.39
8.1.70.0000.00717.41
8.1.60.0050.00517.55
8.1.50.0040.00417.52
8.1.40.0090.00017.36
8.1.30.0040.00417.53
8.1.20.0000.00717.63
8.1.10.0000.00817.46
8.1.00.0000.00717.40
8.0.300.0040.00418.77
8.0.290.0080.00017.05
8.0.280.0030.00318.43
8.0.270.0050.00217.27
8.0.260.0000.00618.33
8.0.250.0030.00316.79
8.0.240.0050.00316.93
8.0.230.0000.00816.87
8.0.220.0040.00416.81
8.0.210.0070.00016.80
8.0.200.0030.00316.82
8.0.190.0030.00516.85
8.0.180.0050.00316.83
8.0.170.0050.00316.76
8.0.160.0070.00016.94
8.0.150.0000.00716.81
8.0.140.0030.00416.74
8.0.130.0060.00013.27
8.0.120.0030.00516.71
8.0.110.0040.00416.82
8.0.100.0000.00716.64
8.0.90.0050.00216.87
8.0.80.0000.01516.78
8.0.70.0030.00616.82
8.0.60.0040.00416.61
8.0.50.0000.00716.70
8.0.30.0110.00817.06
8.0.20.0110.00817.40
8.0.10.0080.00016.94
8.0.00.0140.00516.66
7.4.330.0050.00015.02
7.4.320.0060.00016.52
7.4.300.0030.00316.59
7.4.290.0030.00316.50
7.4.280.0070.00016.51
7.4.270.0000.00916.51
7.4.260.0030.00316.46
7.4.250.0000.00716.49
7.4.240.0020.00516.51
7.4.230.0000.00716.45
7.4.220.0000.01616.65
7.4.210.0070.00716.43
7.4.200.0030.00316.71
7.4.190.0030.00316.61
7.4.160.0070.01316.58
7.4.150.0150.00317.40
7.4.140.0110.01017.86
7.4.130.0100.00816.49
7.4.120.0120.00516.53
7.4.110.0040.01416.39
7.4.100.0150.00616.61
7.4.90.0090.00916.50
7.4.80.0150.00919.39
7.4.70.0140.00616.39
7.4.60.0060.01016.31
7.4.50.0030.00316.63
7.4.40.0120.01416.41
7.4.30.0030.01316.61
7.4.00.0070.01014.63
7.3.330.0000.00613.22
7.3.320.0000.00513.24
7.3.310.0050.00216.22
7.3.300.0040.00416.24
7.3.290.0030.01016.32
7.3.280.0090.00916.20
7.3.270.0110.00517.40
7.3.260.0120.00616.37
7.3.250.0090.01016.30
7.3.240.0140.00316.41
7.3.230.0100.00616.39
7.3.210.0150.00316.59
7.3.200.0060.01219.39
7.3.190.0090.00816.26
7.3.180.0180.00016.36
7.3.170.0060.00916.45
7.3.160.0080.00816.46
7.3.120.0030.01414.68
7.3.110.0090.00314.68
7.3.100.0040.01114.76
7.3.90.0040.01414.59
7.3.80.0120.00314.56
7.3.70.0100.00314.51
7.3.60.0000.01314.65
7.3.50.0130.00314.83
7.3.40.0100.00314.63
7.3.30.0100.00714.47
7.3.20.0070.00716.50
7.3.10.0110.00416.82
7.3.00.0100.00316.63
7.2.330.0130.00716.46
7.2.320.0080.00816.67
7.2.310.0130.00616.34
7.2.300.0110.00716.54
7.2.290.0030.01516.71
7.2.240.0070.01015.09
7.2.230.0100.00315.10
7.2.220.0100.00715.02
7.2.210.0060.00615.13
7.2.200.0040.01114.68
7.2.190.0030.00714.95
7.2.180.0120.00615.05
7.2.170.0070.01015.13
7.2.160.0030.01314.76
7.2.150.0040.01216.83
7.2.140.0030.01416.76
7.2.130.0030.01016.79
7.2.120.0060.00916.63
7.2.110.0060.00916.83
7.2.100.0060.01216.67
7.2.90.0080.00616.84
7.2.80.0030.01416.93
7.2.70.0060.00616.87
7.2.60.0000.01016.67
7.2.50.0030.00716.75
7.2.40.0070.00716.95
7.2.30.0060.00916.51
7.2.20.0100.00716.97
7.2.10.0070.01116.61
7.2.00.0050.00918.10
7.1.330.0100.00615.77
7.1.320.0040.01515.61
7.1.310.0030.01015.86
7.1.300.0060.01215.98
7.1.290.0030.00915.43
7.1.280.0120.00315.46
7.1.270.0070.00315.47
7.1.260.0030.00615.56
7.1.250.0070.00715.71
7.1.100.0240.00317.80
7.1.70.0030.01316.96
7.1.60.0140.01119.46
7.1.50.0210.01734.84
7.1.00.0070.07022.35
7.0.200.0070.00016.79
7.0.140.0030.07322.09
7.0.100.0030.07320.17
7.0.90.0270.04719.87
7.0.80.0030.05319.96
7.0.70.0100.06719.96
7.0.60.0070.04319.97
7.0.50.0200.09320.34
7.0.40.0070.04020.11
7.0.30.0030.04720.09
7.0.20.0100.04020.08
7.0.10.0000.08320.04
7.0.00.0170.06320.14
5.6.280.0000.07721.00
5.6.250.0030.04020.57
5.6.240.0130.08020.59
5.6.230.0070.07320.64
5.6.220.0000.07020.62
5.6.210.0130.05720.47
5.6.200.0070.04721.14
5.6.190.0100.04321.01
5.6.180.0100.06021.18
5.6.170.0070.03721.12
5.6.160.0030.07720.96
5.6.150.0030.08720.96
5.6.140.0130.05721.09
5.6.130.0100.08320.98
5.6.120.0070.05721.05
5.6.110.0070.08721.03
5.6.100.0170.06020.95
5.6.90.0100.06720.92
5.6.80.0130.06320.50
5.6.70.0070.07720.39
5.6.60.0070.07720.32
5.6.50.0130.06320.55
5.6.40.0100.05720.50
5.6.30.0070.04020.41
5.6.20.0000.04320.38
5.6.10.0030.04020.54
5.6.00.0030.03720.38
5.5.380.0100.08720.43
5.5.370.0130.07020.45
5.5.360.0100.05320.36
5.5.350.0070.05020.43
5.5.340.0030.04720.88
5.5.330.0070.05320.93
5.5.320.0130.03020.65
5.5.310.0100.06720.87
5.5.300.0130.06320.79
5.5.290.0100.07720.73
5.5.280.0130.04020.82
5.5.270.0130.06720.79
5.5.260.0130.05320.77
5.5.250.0170.07020.71
5.5.240.0130.04020.02
5.5.230.0170.06720.24
5.5.220.0070.08320.25
5.5.210.0100.07020.23
5.5.200.0100.06720.25
5.5.190.0030.07020.18
5.5.180.0070.03720.07
5.5.160.0100.03720.18
5.5.150.0070.03720.18
5.5.140.0000.04320.15
5.5.130.0070.03320.14
5.5.120.0070.03320.22
5.5.110.0000.04320.26
5.5.100.0000.04320.08
5.5.90.0000.04320.18
5.5.80.0030.03720.07
5.5.70.0000.04320.11
5.5.60.0030.03719.92
5.5.50.0100.04320.07
5.5.40.0030.03720.14
5.5.30.0030.04319.95
5.5.20.0070.03719.97
5.5.10.0100.03319.98
5.5.00.0030.03720.01
5.4.450.0030.05019.37
5.4.440.0070.08019.25
5.4.430.0130.06319.17
5.4.420.0170.07319.37
5.4.410.0170.07319.36
5.4.400.0200.06718.97
5.4.390.0030.07718.91
5.4.380.0030.08019.23
5.4.370.0030.06019.09
5.4.360.0100.07319.09
5.4.350.0000.04318.87
5.4.340.0100.04019.12
5.4.320.0000.04019.05
5.4.310.0000.04318.85
5.4.300.0000.03319.04
5.4.290.0000.03719.16
5.4.280.0030.03719.04
5.4.270.0030.05719.12
5.4.260.0030.04019.14
5.4.250.0000.04319.17
5.4.240.0030.03719.08
5.4.230.0000.04319.09
5.4.220.0000.04319.14
5.4.210.0000.04019.12
5.4.200.0000.05019.17
5.4.190.0070.04719.04
5.4.180.0130.04719.02
5.4.170.0070.03719.02
5.4.160.0070.07318.92
5.4.150.0070.06718.93
5.4.140.0030.04016.43
5.4.130.0000.03716.43
5.4.120.0030.03316.41
5.4.110.0070.03716.34
5.4.100.0030.03016.28
5.4.90.0030.03016.48
5.4.80.0070.04016.37
5.4.70.0030.06316.34
5.4.60.0100.06316.31
5.4.50.0030.05716.25
5.4.40.0030.03716.49
5.4.30.0070.04316.36
5.4.20.0070.06716.43
5.4.10.0130.06716.44
5.4.00.0070.03715.88
5.3.290.0030.04014.63
5.3.280.0030.06314.55
5.3.270.0070.03314.70
5.3.260.0030.03714.59
5.3.250.0100.03314.75
5.3.240.0100.05014.62
5.3.230.0070.03314.53
5.3.220.0000.03314.50
5.3.210.0070.03714.52
5.3.200.0000.04714.69
5.3.190.0000.03714.54
5.3.180.0000.03714.49
5.3.170.0030.03714.54
5.3.160.0100.06714.62
5.3.150.0000.04714.61
5.3.140.0070.05314.59
5.3.130.0100.07014.61
5.3.120.0030.03714.50
5.3.110.0030.07714.57
5.3.100.0000.07714.05
5.3.90.0100.06714.16
5.3.80.0070.07713.93
5.3.70.0200.05314.13
5.3.60.0070.07014.06
5.3.50.0030.07714.09
5.3.40.0070.05313.95
5.3.30.0070.06713.96
5.3.20.0100.06313.75
5.3.10.0030.07313.69
5.3.00.0130.06313.54
5.2.170.0030.04011.59
5.2.160.0100.05011.59
5.2.150.0030.03711.59
5.2.140.0070.03311.59
5.2.130.0070.05011.59
5.2.120.0070.06011.59
5.2.110.0030.06011.59
5.2.100.0030.06311.59
5.2.90.0100.03011.59
5.2.80.0070.05711.59
5.2.70.0030.06311.59
5.2.60.0030.05011.59
5.2.50.0030.06311.59
5.2.40.0030.04011.59
5.2.30.0000.06011.59
5.2.20.0030.06711.59
5.2.10.0030.06011.59
5.2.00.0030.05311.59
5.1.60.0030.02311.59
5.1.50.0070.04311.59
5.1.40.0070.05711.59
5.1.30.0030.04311.59
5.1.20.0030.03011.59
5.1.10.0030.03711.59
5.1.00.0100.04011.59
5.0.50.0070.03711.59
5.0.40.0000.05011.59
5.0.30.0100.06311.59
5.0.20.0070.03011.59
5.0.10.0000.04311.59
5.0.00.0070.03011.59
4.4.90.0030.03311.59
4.4.80.0000.03711.59
4.4.70.0070.02011.59
4.4.60.0030.02711.59
4.4.50.0030.01711.59
4.4.40.0030.04011.59
4.4.30.0000.03011.59
4.4.20.0070.01711.59
4.4.10.0000.03011.59
4.4.00.0000.04311.59
4.3.110.0030.03311.59
4.3.100.0070.03011.59
4.3.90.0000.03311.59
4.3.80.0030.03711.59
4.3.70.0030.03011.59
4.3.60.0030.01311.59
4.3.50.0000.03711.59
4.3.40.0000.05011.59
4.3.30.0000.02311.59
4.3.20.0000.04011.59
4.3.10.0000.03711.59
4.3.00.0070.01711.59

preferences:
40.61 ms | 401 KiB | 5 Q