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, 'baz' => null, ); $array_object = new MyStuff($array); // existing key, non-null value: var_dump(isset($array['foo'])); //true var_dump(empty($array['foo'])); //false var_dump(isset($array_object['foo'])); //true var_dump(empty($array_object['foo'])); //false // non-existing key: var_dump(isset($array['bar'])); //false var_dump(empty($array['bar'])); //true var_dump(isset($array_object['bar'])); //true var_dump(empty($array_object['bar'])); //false // key where value is null: var_dump(isset($array['baz'])); //false var_dump(empty($array['baz'])); //true var_dump(isset($array_object['baz'])); //true var_dump(empty($array_object['baz'])); //false

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)
8.3.70.0130.00616.58
8.3.60.0120.00618.56
8.3.50.0120.00721.14
8.3.40.0140.00718.83
8.3.30.0100.00320.41
8.3.20.0040.00420.34
8.3.10.0040.00421.09
8.3.00.0040.00422.51
8.2.180.0070.00716.50
8.2.170.0090.00622.96
8.2.160.0140.00422.12
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0030.00726.16
8.2.120.0040.00420.75
8.2.110.0090.00020.82
8.2.100.0040.00817.96
8.2.90.0080.00017.72
8.2.80.0060.00317.97
8.2.70.0030.00617.91
8.2.60.0070.00018.22
8.2.50.0000.00818.10
8.2.40.0000.00720.47
8.2.30.0050.00319.16
8.2.20.0000.00717.76
8.2.10.0000.00817.73
8.2.00.0040.00417.56
8.1.280.0090.00925.92
8.1.270.0090.00023.99
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0060.00322.65
8.1.230.0090.00322.75
8.1.220.0050.00317.76
8.1.210.0080.00018.77
8.1.200.0100.00017.35
8.1.190.0030.00517.35
8.1.180.0060.00318.10
8.1.170.0000.00818.88
8.1.160.0040.00418.82
8.1.150.0000.00720.31
8.1.140.0000.00717.30
8.1.130.0040.00417.79
8.1.120.0000.00717.33
8.1.110.0020.00517.45
8.1.100.0040.00417.39
8.1.90.0000.00717.38
8.1.80.0000.00717.28
8.1.70.0000.00817.26
8.1.60.0080.00017.52
8.1.50.0000.00817.52
8.1.40.0040.00417.51
8.1.30.0050.00317.64
8.1.20.0000.00817.65
8.1.10.0080.00017.48
8.1.00.0050.00217.50
8.0.300.0060.00319.69
8.0.290.0070.00416.63
8.0.280.0040.00418.46
8.0.270.0030.00517.29
8.0.260.0000.00618.41
8.0.250.0030.00316.93
8.0.240.0060.00316.88
8.0.230.0000.00616.80
8.0.220.0030.00316.82
8.0.210.0040.00316.83
8.0.200.0060.00016.75
8.0.190.0070.00016.77
8.0.180.0040.00416.75
8.0.170.0040.00416.84
8.0.160.0070.00016.80
8.0.150.0050.00316.73
8.0.140.0070.00316.69
8.0.130.0050.00013.30
8.0.120.0040.00416.82
8.0.110.0000.00716.74
8.0.100.0040.00416.85
8.0.90.0040.00416.89
8.0.80.0120.00316.86
8.0.70.0000.00716.82
8.0.60.0000.00816.82
8.0.50.0040.00416.71
8.0.30.0140.00616.92
8.0.20.0140.00517.40
8.0.10.0000.00716.91
8.0.00.0100.01016.46
7.4.330.0000.00615.05
7.4.320.0060.00016.45
7.4.300.0000.00716.51
7.4.290.0000.00716.59
7.4.280.0030.00616.48
7.4.270.0040.00416.43
7.4.260.0030.00313.25
7.4.250.0040.00416.57
7.4.240.0050.00316.53
7.4.230.0000.00716.39
7.4.220.0160.00316.47
7.4.210.0070.00916.58
7.4.200.0030.00316.63
7.4.190.0070.00016.64
7.4.160.0120.00416.47
7.4.150.0160.01017.40
7.4.140.0030.01417.86
7.4.130.0110.00516.40
7.4.120.0070.01016.43
7.4.110.0080.00816.64
7.4.100.0170.00016.30
7.4.90.0080.00816.66
7.4.80.0060.01419.39
7.4.70.0030.01316.55
7.4.60.0100.00716.38
7.4.50.0000.00916.53
7.4.40.0090.00622.77
7.4.30.0060.01116.59
7.4.00.0030.01214.89
7.3.330.0000.00513.20
7.3.320.0000.00513.21
7.3.310.0030.00316.19
7.3.300.0030.00316.23
7.3.290.0040.01116.21
7.3.280.0090.00816.23
7.3.270.0100.00717.40
7.3.260.0160.00718.24
7.3.250.0140.00416.31
7.3.240.0060.01216.21
7.3.230.0030.01516.46
7.3.210.0090.00916.32
7.3.200.0030.01519.39
7.3.190.0100.00716.27
7.3.180.0090.00616.18
7.3.170.0100.00616.53
7.3.160.0130.00316.27
7.3.120.0040.00814.88
7.3.110.0000.01514.89
7.3.100.0040.01114.79
7.3.90.0070.00414.79
7.3.80.0060.00914.59
7.3.70.0080.00414.60
7.3.60.0130.00314.71
7.3.50.0070.00714.51
7.3.40.0040.01214.49
7.3.30.0070.01114.64
7.3.20.0100.00716.45
7.3.10.0090.00616.64
7.3.00.0010.01416.57
7.2.330.0070.01116.61
7.2.320.0100.00716.66
7.2.310.0080.00916.57
7.2.300.0100.00716.47
7.2.290.0090.01516.27
7.2.240.0100.00715.04
7.2.230.0030.00614.86
7.2.220.0070.01115.05
7.2.210.0030.01414.68
7.2.200.0140.00414.85
7.2.190.0070.00714.84
7.2.180.0140.00314.69
7.2.170.0070.01114.90
7.2.160.0080.00315.09
7.2.150.0060.00617.00
7.2.140.0040.01116.77
7.2.130.0040.00916.73
7.2.120.0070.00516.72
7.2.110.0030.01016.78
7.2.100.0060.00816.83
7.2.90.0090.00616.62
7.2.80.0050.00816.79
7.2.70.0090.00516.69
7.2.60.0070.00616.77
7.2.50.0040.00816.59
7.2.40.0110.00316.86
7.2.30.0040.00716.91
7.2.20.0060.00616.94
7.2.10.0070.00616.74
7.2.00.0110.00617.71
7.1.330.0070.00715.69
7.1.320.0030.01015.75
7.1.310.0030.00615.42
7.1.300.0000.01115.73
7.1.290.0080.00615.56
7.1.280.0100.00715.68
7.1.270.0100.00715.70
7.1.260.0070.00715.61
7.1.250.0060.00815.57
7.1.200.0000.00815.89
7.1.100.0040.00717.50
7.1.70.0080.00617.15
7.1.60.0180.00719.17
7.1.50.0100.01316.85
7.1.00.0030.03322.41
7.0.200.0050.00514.91
7.0.140.0070.07021.92
7.0.80.0270.08019.90
7.0.70.0100.07019.95
7.0.60.0070.04320.05
7.0.50.0270.05720.25
7.0.40.0130.05020.08
7.0.30.0130.08320.15
7.0.20.0100.06320.17
7.0.10.0000.05320.16
7.0.00.0030.08320.19
5.6.280.0030.07320.94
5.6.230.0130.07320.50
5.6.220.0100.06020.69
5.6.210.0070.06720.62
5.6.200.0130.07321.06
5.6.190.0030.06021.05
5.6.180.0070.05720.95
5.6.170.0100.05321.12
5.6.160.0000.04720.95
5.6.150.0100.04321.12
5.6.140.0030.08721.01
5.6.130.0030.07721.04
5.6.120.0070.08021.02
5.6.110.0100.08321.13
5.6.100.0200.07321.07
5.6.90.0070.08021.16
5.6.80.0030.07720.43
5.6.70.0100.05720.46
5.6.60.0100.07720.51
5.6.50.0200.06320.44
5.6.40.0100.07020.30
5.6.30.0100.07320.40
5.6.20.0000.04320.38
5.6.10.0230.08020.45
5.6.00.0030.05020.37
5.5.370.0070.05320.36
5.5.360.0030.07320.31
5.5.350.0030.05320.44
5.5.340.0070.07020.87
5.5.330.0100.04320.82
5.5.320.0100.07720.90
5.5.310.0100.04320.84
5.5.300.0000.08320.72
5.5.290.0030.05020.87
5.5.280.0170.07020.65
5.5.270.0000.07020.64
5.5.260.0030.07320.87
5.5.250.0100.07720.64
5.5.240.0130.07320.22
5.5.230.0100.07720.31
5.5.220.0130.05320.14
5.5.210.0100.03720.25
5.5.200.0000.05020.14
5.5.190.0100.07720.13
5.5.180.0100.04020.16
5.5.160.0030.04320.18
5.5.150.0030.04020.22
5.5.140.0000.08720.25
5.5.130.0030.05319.98
5.5.120.0200.06720.16
5.5.110.0100.03720.27
5.5.100.0030.05020.18
5.5.90.0230.06320.10
5.5.80.0130.07020.11
5.5.70.0070.07720.01
5.5.60.0130.05020.14
5.5.50.0130.03719.91
5.5.40.0130.07320.09
5.5.30.0170.04320.07
5.5.20.0130.06320.05
5.5.10.0130.04320.06
5.5.00.0100.07720.04
5.4.450.0100.08319.45
5.4.440.0130.08019.17
5.4.430.0130.07019.46
5.4.420.0170.07019.36
5.4.410.0170.06719.04
5.4.400.0100.04019.16
5.4.390.0000.04319.18
5.4.380.0070.04719.16
5.4.370.0100.08019.03
5.4.360.0030.08018.84
5.4.350.0100.07719.13
5.4.340.0030.07319.09
5.4.320.0030.08019.18
5.4.310.0070.04319.05
5.4.300.0070.07018.85
5.4.290.0230.06018.90
5.4.280.0070.07718.84
5.4.270.0070.04319.13
5.4.260.0100.05318.86
5.4.250.0070.06719.12
5.4.240.0070.04719.13
5.4.230.0070.05319.04
5.4.220.0070.06019.03
5.4.210.0070.04719.22
5.4.200.0070.07019.22
5.4.190.0030.06019.08
5.4.180.0130.07019.17
5.4.170.0070.04319.02
5.4.160.0100.07719.16
5.4.150.0070.07019.01
5.4.140.0030.04016.32
5.4.130.0070.06716.45
5.4.120.0070.07016.33
5.4.110.0030.08016.39
5.4.100.0100.04316.45
5.4.90.0070.06716.43
5.4.80.0030.05716.49
5.4.70.0100.05716.49
5.4.60.0030.04016.42
5.4.50.0130.06316.41
5.4.40.0100.03716.30
5.4.30.0100.07016.36
5.4.20.0000.08316.38
5.4.10.0100.06716.32
5.4.00.0070.07015.90
5.3.290.0030.07314.60
5.3.280.0030.04314.63
5.3.270.0030.05314.56
5.3.260.0030.04714.60
5.3.250.0100.07314.73
5.3.240.0170.06314.62
5.3.230.0100.06714.72
5.3.220.0030.07014.55
5.3.210.0000.08014.69
5.3.200.0070.06314.63
5.3.190.0070.04314.55
5.3.180.0030.07314.60
5.3.170.0070.08014.66
5.3.160.0030.04314.68
5.3.150.0000.04714.59
5.3.140.0070.08014.45
5.3.130.0070.07714.64
5.3.120.0070.05014.64
5.3.110.0130.06714.61
5.3.100.0030.04714.05
5.3.90.0100.07314.04
5.3.80.0100.07014.04
5.3.70.0100.09014.00
5.3.60.0030.07714.03
5.3.50.0030.07714.07
5.3.40.0100.06013.97
5.3.30.0230.04313.94
5.3.20.0130.06713.79
5.3.10.0030.06013.69
5.3.00.0100.07713.64
5.2.170.0030.06311.52
5.2.160.0070.06011.52
5.2.150.0070.06011.52
5.2.140.0000.07011.52
5.2.130.0070.04311.52
5.2.120.0100.03311.52
5.2.110.0030.03711.52
5.2.100.0070.04311.52
5.2.90.0070.02711.52
5.2.80.0030.06311.52
5.2.70.0030.03711.52
5.2.60.0100.05711.52
5.2.50.0070.06311.52
5.2.40.0030.05011.52
5.2.30.0030.07011.52
5.2.20.0070.05711.52
5.2.10.0030.06011.52
5.2.00.0100.05011.52
5.1.60.0030.05311.52
5.1.50.0070.05311.52
5.1.40.0030.05711.52
5.1.30.0100.05011.52
5.1.20.0030.04711.52
5.1.10.0130.05011.52
5.1.00.0030.05311.52
5.0.50.0000.03311.52
5.0.40.0000.04711.52
5.0.30.0030.04711.52
5.0.20.0000.04011.52
5.0.10.0030.04711.52
5.0.00.0030.05711.52
4.4.90.0000.02311.52
4.4.80.0030.03011.52
4.4.70.0000.02311.52
4.4.60.0030.02011.52
4.4.50.0000.03711.52
4.4.40.0000.05311.52
4.4.30.0030.03311.52
4.4.20.0070.03011.52
4.4.10.0000.03711.52
4.4.00.0000.05011.52
4.3.110.0030.03011.52
4.3.100.0000.02011.52
4.3.90.0000.03011.52
4.3.80.0070.05011.52
4.3.70.0030.03011.52
4.3.60.0030.01711.52
4.3.50.0000.03711.52
4.3.40.0000.04311.52
4.3.30.0000.03311.52
4.3.20.0000.02711.52
4.3.10.0000.03011.52
4.3.00.0030.03011.52

preferences:
56.86 ms | 401 KiB | 5 Q