3v4l.org

run code in 300+ PHP versions simultaneously
<?php class TestClass{ public $a; } $test = new TestClass(); $test->a = new TestClass(); var_dump(isset($test->a));

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)
8.3.60.0110.00318.18
8.3.50.0140.00822.01
8.3.40.0100.00718.67
8.3.30.0090.00619.22
8.3.20.0050.00320.30
8.3.10.0080.00020.40
8.3.00.0000.00819.13
8.2.180.0100.00616.38
8.2.170.0140.00022.96
8.2.160.0070.00720.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00522.09
8.2.110.0070.00421.06
8.2.100.0060.00617.47
8.2.90.0030.00619.05
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0090.00317.93
8.2.50.0000.00818.07
8.2.40.0020.00518.09
8.2.30.0000.00717.97
8.2.20.0030.00517.66
8.2.10.0040.00418.05
8.2.00.0070.00017.48
8.1.280.0070.01125.92
8.1.270.0080.00023.91
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0040.00423.98
8.1.230.0060.00619.02
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0060.00317.36
8.1.190.0000.00917.22
8.1.180.0070.00018.10
8.1.170.0080.00318.50
8.1.160.0040.00421.98
8.1.150.0030.00518.75
8.1.140.0000.00717.34
8.1.130.0030.00317.82
8.1.120.0000.00817.44
8.1.110.0030.00517.40
8.1.100.0000.00717.36
8.1.90.0080.00317.31
8.1.80.0000.00717.29
8.1.70.0070.00017.33
8.1.60.0060.00317.54
8.1.50.0040.00417.44
8.1.40.0030.00617.33
8.1.30.0000.00817.44
8.1.20.0070.00017.62
8.1.10.0050.00217.58
8.1.00.0000.00717.51
8.0.300.0020.00518.77
8.0.290.0000.00716.58
8.0.280.0000.00718.30
8.0.270.0040.00417.21
8.0.260.0000.00617.10
8.0.250.0000.00616.95
8.0.240.0000.00616.81
8.0.230.0030.00316.91
8.0.220.0030.00316.73
8.0.210.0000.00716.81
8.0.200.0000.00716.95
8.0.190.0000.00816.81
8.0.180.0040.00416.74
8.0.170.0040.00416.85
8.0.160.0000.00716.77
8.0.150.0040.00416.66
8.0.140.0000.00816.85
8.0.130.0050.00013.26
8.0.120.0030.00616.79
8.0.110.0030.00316.84
8.0.100.0080.00016.66
8.0.90.0040.00416.80
8.0.80.0150.00016.82
8.0.70.0000.00716.66
8.0.60.0000.00816.85
8.0.50.0040.00416.67
8.0.30.0090.01017.02
8.0.20.0110.00917.40
8.0.10.0050.00316.82
8.0.00.0140.01016.64
7.4.330.0000.00515.02
7.4.320.0000.00616.36
7.4.300.0070.00316.42
7.4.290.0070.00016.45
7.4.280.0050.00316.57
7.4.270.0030.00316.43
7.4.260.0080.00016.56
7.4.250.0000.00716.41
7.4.240.0050.00216.44
7.4.230.0070.00016.27
7.4.220.0070.01016.39
7.4.210.0060.01316.55
7.4.200.0000.00716.34
7.4.160.0210.00016.50
7.4.150.0120.00617.40
7.4.140.0070.01317.86
7.4.130.0100.00716.42
7.4.120.0080.01016.42
7.4.110.0030.01316.32
7.4.100.0100.00616.41
7.4.90.0070.01316.56
7.4.80.0070.01019.39
7.4.70.0130.00316.59
7.4.60.0160.00016.32
7.4.50.0000.00816.54
7.4.40.0100.00716.36
7.4.30.0120.00416.15
7.4.00.0070.00914.74
7.3.330.0030.00313.28
7.3.320.0020.00513.20
7.3.310.0030.00316.33
7.3.300.0000.00616.25
7.3.290.0060.00916.17
7.3.280.0050.01116.18
7.3.270.0070.01417.40
7.3.260.0100.00716.27
7.3.250.0100.00716.28
7.3.240.0060.01216.36
7.3.230.0120.00916.39
7.3.210.0130.00316.24
7.3.200.0110.01119.39
7.3.190.0180.00316.41
7.3.180.0030.01216.27
7.3.170.0040.01216.27
7.3.160.0060.00916.34
7.3.120.0060.01315.00
7.3.110.0120.00314.59
7.3.100.0060.01214.73
7.3.90.0000.01315.04
7.3.80.0000.00814.68
7.3.70.0030.01314.72
7.3.60.0000.01314.75
7.3.50.0060.00314.89
7.3.40.0060.00914.79
7.3.30.0080.00414.65
7.3.20.0100.00016.41
7.3.10.0100.00016.57
7.3.00.0030.01116.52
7.2.330.0110.00716.54
7.2.320.0110.00616.62
7.2.310.0060.01016.50
7.2.300.0140.00316.56
7.2.290.0090.00916.73
7.2.250.0120.00615.03
7.2.240.0030.01414.74
7.2.230.0070.00715.01
7.2.220.0100.00314.73
7.2.210.0000.00915.01
7.2.200.0060.00914.91
7.2.190.0040.00815.07
7.2.180.0040.01115.07
7.2.170.0060.00914.87
7.2.160.0000.01315.21
7.2.150.0030.00616.96
7.2.140.0080.00417.09
7.2.130.0050.01116.84
7.2.120.0020.01316.86
7.2.110.0030.01016.83
7.2.100.0070.00616.88
7.2.90.0080.00216.83
7.2.80.0050.00916.72
7.2.70.0090.00616.99
7.2.60.0050.00816.74
7.2.50.0020.01216.60
7.2.40.0050.00516.96
7.2.30.0050.01016.83
7.2.20.0030.01016.86
7.2.10.0060.00616.72
7.2.00.0050.00717.82
7.1.330.0060.01215.76
7.1.320.0030.00715.52
7.1.310.0060.00915.62
7.1.300.0040.00815.76
7.1.290.0070.00715.76
7.1.280.0040.00415.48
7.1.270.0000.01515.56
7.1.260.0030.01015.42
7.1.250.0020.01215.64
7.1.240.0030.00815.70
7.1.230.0060.00415.40
7.1.220.0050.00715.75
7.1.210.0060.00515.58
7.1.200.0050.00715.68
7.1.190.0090.00515.54
7.1.180.0050.01015.71
7.1.170.0020.00715.76
7.1.160.0050.01015.67
7.1.150.0050.00515.79
7.1.140.0030.00815.64
7.1.130.0050.00715.56
7.1.120.0080.00615.61
7.1.110.0020.01215.45
7.1.100.0080.00416.32
7.1.90.0060.00615.70
7.1.80.0040.00515.44
7.1.70.0050.00716.17
7.1.60.0100.00616.89
7.1.50.0050.00815.97
7.1.40.0070.00615.53
7.1.30.0050.00815.57
7.1.20.0030.01015.64
7.1.10.0080.00515.54
7.1.00.0030.03217.87
7.0.330.0080.00615.34
7.0.320.0080.00215.31
7.0.310.0050.00315.27
7.0.300.0040.00515.24
7.0.290.0010.01015.18
7.0.280.0090.00315.18
7.0.270.0020.00815.18
7.0.260.0100.00315.46
7.0.250.0090.00715.37
7.0.240.0090.00515.18
7.0.230.0040.00815.41
7.0.220.0050.00715.35
7.0.210.0030.00815.25
7.0.200.0050.00415.63
7.0.190.0050.00615.21
7.0.180.0030.00615.30
7.0.170.0070.00515.34
7.0.160.0040.01115.46
7.0.150.0050.00715.33
7.0.140.0060.02617.58
7.0.130.0040.00915.27
7.0.120.0090.00215.13
7.0.110.0030.01015.34
7.0.100.0050.00715.24
7.0.90.0020.01015.38
7.0.80.0100.00515.15
7.0.70.0040.00715.38
7.0.60.0060.02116.88
7.0.50.0080.02516.29
7.0.40.0090.03115.64
7.0.30.0230.01915.61
7.0.20.0090.02715.60
7.0.10.0070.02015.65
7.0.00.0050.03515.69
5.6.400.0070.01014.39
5.6.390.0110.00614.45
5.6.380.0050.01014.58
5.6.370.0060.00514.31
5.6.360.0030.00714.35
5.6.350.0070.00514.60
5.6.340.0050.00914.47
5.6.330.0040.00414.51
5.6.320.0030.00714.36
5.6.310.0020.01114.58
5.6.300.0040.00714.31
5.6.290.0010.01114.48
5.6.280.0020.01214.32
5.6.270.0070.00614.38
5.6.260.0040.00614.52
5.6.250.0060.00714.32
5.6.240.0020.00814.45
5.6.230.0070.00714.18
5.6.220.0010.01214.12
5.6.210.0080.01516.52
5.6.200.0070.02815.76
5.6.190.0020.02616.43
5.6.180.0150.02816.33
5.6.170.0150.03116.43
5.6.160.0070.01916.49
5.6.150.0060.03015.64
5.6.140.0050.03215.84
5.6.130.0040.02115.69
5.6.120.0030.02316.63
5.6.110.0060.03616.52
5.6.100.0080.03216.53
5.6.90.0020.03116.58
5.6.80.0100.02916.29
5.6.70.0050.00914.29
5.6.60.0060.00614.15
5.6.50.0050.00814.36
5.6.40.0040.00914.30
5.6.30.0070.00514.30
5.6.20.0060.00714.27
5.6.10.0040.00914.28
5.6.00.0070.00514.13
5.5.380.0000.00812.73
5.5.370.0100.00312.63
5.5.360.0070.00312.70
5.5.350.0100.03115.33
5.5.340.0050.03214.46
5.5.330.0070.02915.32
5.5.320.0150.02515.17
5.5.310.0110.01815.35
5.5.300.0050.03114.45
5.5.290.0050.01814.47
5.5.280.0100.02315.46
5.5.270.0070.01915.42
5.5.260.0050.02015.54
5.5.250.0040.02015.38
5.5.240.0100.02415.24
5.5.230.0050.01012.79
5.5.220.0110.00312.71
5.5.210.0040.00812.70
5.5.200.0000.00912.62
5.5.190.0070.00512.77
5.5.180.0050.00612.68
5.5.170.0020.00712.45
5.5.160.0090.00412.54
5.5.150.0050.00512.66
5.5.140.0060.00412.47
5.5.130.0040.00512.80
5.5.120.0050.00512.65
5.5.110.0040.00612.65
5.5.100.0040.00712.66
5.5.90.0040.00512.69
5.5.80.0080.00312.63
5.5.70.0020.01212.79
5.5.60.0020.00812.78
5.5.50.0060.00112.76
5.5.40.0030.00812.59
5.5.30.0060.00712.68
5.5.20.0060.00612.65
5.5.10.0070.00312.76
5.5.00.0030.00912.76
5.4.450.0210.02114.18
5.4.440.0080.02014.19
5.4.430.0230.02014.15
5.4.420.0220.00614.18
5.4.410.0270.00214.11
5.4.400.0220.00614.08
5.4.390.0220.00514.09
5.4.380.0230.00514.04
5.4.370.0230.00314.00
5.4.360.0260.00114.02
5.4.350.0210.00714.09
5.4.340.0250.00414.05
5.4.330.0020.00711.51
5.4.320.0030.01811.84
5.4.310.0060.01611.84
5.4.300.0060.01311.84
5.4.290.0060.01911.84
5.4.280.0040.01911.80
5.4.270.0070.01411.80
5.4.260.0070.01311.81
5.4.250.0050.01711.80
5.4.240.0070.01311.81
5.4.230.0030.01811.80
5.4.220.0030.01611.80
5.4.210.0040.01511.81
5.4.200.0040.01711.80
5.4.190.0050.01811.80
5.4.180.0060.01711.80
5.4.170.0040.01511.80
5.4.160.0050.01511.80
5.4.150.0040.01811.80
5.4.140.0070.01611.70
5.4.130.0030.01911.69
5.4.120.0050.01711.68
5.4.110.0050.01511.68
5.4.100.0040.01511.68
5.4.90.0050.01611.68
5.4.80.0040.01611.68
5.4.70.0030.01611.67
5.4.60.0040.01611.68
5.4.50.0020.01911.68
5.4.40.0020.01711.67
5.4.30.0060.01211.67
5.4.20.0060.01511.67
5.4.10.0040.01811.67
5.4.00.0040.01711.50
5.3.290.0070.02311.99
5.3.280.0050.02111.94
5.3.270.0060.02911.95
5.3.260.0090.02011.95
5.3.250.0050.02111.95
5.3.240.0030.02011.95
5.3.230.0070.02211.94
5.3.220.0060.02111.93
5.3.210.0050.02411.93
5.3.200.0060.02311.93
5.3.190.0060.02111.93
5.3.180.0040.02111.92
5.3.170.0100.01511.92
5.3.160.0070.01911.92
5.3.150.0040.02411.92
5.3.140.0070.02211.92
5.3.130.0050.02311.92
5.3.120.0060.02411.92
5.3.110.0070.02211.92
5.3.100.0040.02411.65
5.3.90.0040.02111.63
5.3.80.0030.02311.63
5.3.70.0040.02011.63
5.3.60.0030.02411.62
5.3.50.0040.02211.60
5.3.40.0040.02211.60
5.3.30.0050.02111.58
5.3.20.0020.02411.47
5.3.10.0050.02111.45
5.3.00.0060.02711.44
5.2.170.0050.01410.19
5.2.160.0020.01710.19
5.2.150.0020.02010.20
5.2.140.0020.02110.19
5.2.130.0040.01510.17
5.2.120.0040.02110.17
5.2.110.0030.01810.18
5.2.100.0040.01510.17
5.2.90.0020.01910.17
5.2.80.0040.01710.17
5.2.70.0040.02110.17
5.2.60.0030.01810.15
5.2.50.0050.01610.13
5.2.40.0030.01510.12
5.2.30.0060.01310.11
5.2.20.0030.01710.10
5.2.10.0010.01910.05
5.2.00.0030.0229.98
5.1.60.0070.0129.63
5.1.50.0030.0149.63
5.1.40.0060.0169.62
5.1.30.0070.0229.79
5.1.20.0050.0139.80
5.1.10.0030.0179.66
5.1.00.0030.0179.66
5.0.50.0050.0118.90
5.0.40.0010.0128.83
5.0.30.0020.0188.74
5.0.20.0030.0118.72
5.0.10.0020.0118.71
5.0.00.0040.0148.71
4.4.90.0040.0077.98
4.4.80.0010.0127.97
4.4.70.0010.0107.96
4.4.60.0020.0107.97
4.4.50.0030.0107.97
4.4.40.0030.0147.94
4.4.30.0070.0057.97
4.4.20.0050.0108.01
4.4.10.0010.0108.01
4.4.00.0050.0157.97
4.3.110.0020.0117.92
4.3.100.0030.0097.92
4.3.90.0020.0087.90
4.3.80.0020.0137.88
4.3.70.0020.0097.90
4.3.60.0020.0107.90
4.3.50.0020.0107.90
4.3.40.0030.0137.86
4.3.30.0020.0087.24
4.3.20.0000.0127.23
4.3.10.0010.0107.20
4.3.00.0070.00912.38

preferences:
41.08 ms | 401 KiB | 5 Q