3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = (object) array( 'bar' => 'baz' ); var_dump('exists? (1)', property_exists($foo, 'bar')); unset($foo->bar); var_dump('exists? (2)', property_exists($foo, 'bar'));

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)
8.3.60.0060.01216.50
8.3.50.0120.00721.88
8.3.40.0140.00718.80
8.3.30.0110.00319.09
8.3.20.0000.00720.35
8.3.10.0080.00023.54
8.3.00.0040.00418.92
8.2.180.0100.00716.38
8.2.170.0180.00422.96
8.2.160.0100.00320.39
8.2.150.0080.00024.18
8.2.140.0090.00624.66
8.2.130.0040.00426.16
8.2.120.0040.00420.79
8.2.110.0090.00022.11
8.2.100.0080.00417.72
8.2.90.0040.00419.13
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0030.00617.92
8.2.50.0040.00418.07
8.2.40.0050.00519.57
8.2.30.0070.00318.11
8.2.20.0040.00417.74
8.2.10.0080.00018.10
8.2.00.0040.00417.57
8.1.280.0090.00625.92
8.1.270.0080.00023.75
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0040.00423.77
8.1.230.0070.00419.15
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0090.00317.23
8.1.190.0030.00517.23
8.1.180.0040.00418.10
8.1.170.0040.00418.53
8.1.160.0020.00521.94
8.1.150.0000.00718.59
8.1.140.0070.00017.29
8.1.130.0070.00017.93
8.1.120.0040.00417.37
8.1.110.0030.00317.32
8.1.100.0030.00417.26
8.1.90.0030.00617.37
8.1.80.0040.00417.27
8.1.70.0030.00317.40
8.1.60.0030.00617.59
8.1.50.0090.00017.51
8.1.40.0000.00717.38
8.1.30.0070.00017.42
8.1.20.0040.00417.59
8.1.10.0080.00017.49
8.1.00.0060.00317.43
8.0.300.0020.00518.77
8.0.290.0000.00716.63
8.0.280.0030.00318.47
8.0.270.0030.00317.15
8.0.260.0000.00717.13
8.0.250.0030.00316.85
8.0.240.0080.00016.88
8.0.230.0050.00216.86
8.0.220.0000.00816.78
8.0.210.0000.00716.75
8.0.200.0030.00316.92
8.0.190.0000.00717.01
8.0.180.0080.00016.81
8.0.170.0040.00416.82
8.0.160.0040.00416.91
8.0.150.0000.00816.85
8.0.140.0050.00216.83
8.0.130.0000.00513.38
8.0.120.0050.00216.76
8.0.110.0040.00416.78
8.0.100.0070.00017.00
8.0.90.0040.00416.74
8.0.80.0090.00916.77
8.0.70.0040.00416.93
8.0.60.0050.00316.95
8.0.50.0050.00316.69
8.0.30.0130.00817.13
8.0.20.0140.00817.40
8.0.10.0040.00416.81
8.0.00.0120.00616.61
7.4.330.0000.00515.00
7.4.320.0060.00016.43
7.4.300.0030.00316.51
7.4.290.0080.00016.57
7.4.280.0080.00016.48
7.4.270.0000.00716.46
7.4.260.0000.00816.53
7.4.250.0000.00816.41
7.4.240.0060.00116.48
7.4.230.0070.00016.33
7.4.220.0090.00916.62
7.4.210.0100.00816.48
7.4.200.0070.00016.34
7.4.190.0040.00416.34
7.4.160.0050.01016.47
7.4.150.0150.00617.40
7.4.140.0070.01217.86
7.4.130.0100.00616.53
7.4.120.0050.01316.54
7.4.110.0060.01516.48
7.4.100.0140.00316.36
7.4.90.0070.01016.35
7.4.80.0100.00719.39
7.4.70.0080.01516.50
7.4.60.0000.02316.39
7.4.50.0060.00316.20
7.4.40.0120.00416.50
7.4.30.0100.00616.32
7.4.00.0050.01114.68
7.3.330.0060.00013.02
7.3.320.0050.00013.00
7.3.310.0030.00416.12
7.3.300.0030.00316.26
7.3.290.0070.01016.33
7.3.280.0080.01016.30
7.3.270.0000.01817.40
7.3.260.0080.00816.25
7.3.250.0120.00916.33
7.3.240.0100.00716.39
7.3.230.0130.00616.39
7.3.210.0000.01616.19
7.3.200.0080.00816.35
7.3.190.0000.02116.34
7.3.180.0080.00816.14
7.3.170.0090.00916.46
7.3.160.0110.00616.34
7.3.120.0070.00715.85
7.3.110.0100.00716.03
7.3.100.0080.00515.81
7.3.90.0020.01216.01
7.3.80.0100.00515.96
7.3.70.0070.01015.92
7.3.60.0070.00615.88
7.3.50.0070.00815.97
7.3.40.0030.01215.87
7.3.30.0000.01116.03
7.3.20.0090.00516.92
7.3.10.0030.00916.89
7.3.00.0100.00616.79
7.2.330.0120.00616.60
7.2.320.0100.00716.46
7.2.310.0100.01316.60
7.2.300.0100.01116.49
7.2.290.0060.01216.54
7.2.250.0030.01415.04
7.2.240.0110.00615.94
7.2.230.0080.00616.01
7.2.220.0080.00815.96
7.2.210.0070.00616.09
7.2.200.0070.00816.09
7.2.190.0080.00616.06
7.2.180.0080.00815.96
7.2.170.0060.00615.91
7.2.160.0040.01417.15
7.2.150.0070.01017.15
7.2.140.0120.00017.15
7.2.130.0060.00617.15
7.2.120.0070.01117.15
7.2.110.0030.01017.15
7.2.100.0070.01117.15
7.2.90.0060.00617.15
7.2.80.0060.01017.15
7.2.70.0060.00917.15
7.2.60.0080.00317.15
7.2.50.0060.01117.15
7.2.40.0110.00317.15
7.2.30.0040.00817.15
7.2.20.0030.01217.15
7.2.10.0090.00617.15
7.2.00.0030.00918.00
7.1.330.0030.01016.39
7.1.320.0050.01016.45
7.1.310.0060.00816.48
7.1.300.0050.00916.44
7.1.290.0060.00816.40
7.1.280.0050.00916.43
7.1.270.0030.00916.27
7.1.260.0020.01116.50
7.1.250.0060.00917.15
7.1.200.0050.00615.76
7.1.100.0060.00617.70
7.1.70.0070.00717.06
7.1.60.0100.01419.70
7.1.50.0100.01416.80
7.1.00.0000.08022.43
7.0.200.0000.00816.64
7.0.140.0100.06721.95
7.0.60.0030.06719.95
7.0.50.0100.07717.82
7.0.40.0030.05719.96
7.0.30.0230.05020.12
7.0.20.0270.07020.04
7.0.10.0070.06320.16
7.0.00.0070.07020.30
5.6.280.0130.06721.14
5.6.210.0030.08320.54
5.6.200.0030.04018.18
5.6.190.0100.08020.33
5.6.180.0370.07320.27
5.6.170.0300.07020.42
5.6.160.0030.04720.44
5.6.150.0100.07318.12
5.6.140.0030.04018.21
5.6.130.0130.07718.21
5.6.120.0070.07021.00
5.6.110.0170.07321.11
5.6.100.0000.07721.08
5.6.90.0100.08020.97
5.6.80.0000.04020.48
5.6.70.4500.04020.27
5.5.350.0130.07320.31
5.5.340.0070.03717.88
5.5.330.0070.06720.25
5.5.320.0200.06720.27
5.5.310.0200.08020.20
5.5.300.0030.04017.94
5.5.290.0030.05317.98
5.5.280.0000.04320.87
5.5.270.0130.07320.88
5.5.260.0070.05720.77
5.5.250.0070.04720.58
5.5.240.0070.05720.25
5.4.450.0170.05325.31
5.4.440.0700.05019.66
5.4.430.0900.04319.57
5.4.420.0770.00019.48
5.4.410.0030.06318.70
5.4.400.0970.05318.72
5.4.390.0900.05018.72
5.4.380.0170.05018.50
5.4.370.0200.04718.68
5.4.360.0170.05718.64
5.4.350.0050.03511.98
5.4.340.0040.03611.97
5.4.320.0040.04112.45
5.4.310.0060.04312.45
5.4.300.0130.05112.45
5.4.290.0080.05112.45
5.4.280.0100.05412.35
5.4.270.0100.06112.35
5.4.260.0100.05712.35
5.4.250.0100.06112.35
5.4.240.0110.05512.35
5.4.230.0090.05912.34
5.4.220.0090.06312.34
5.4.210.0080.05812.34
5.4.200.0170.05012.34
5.4.190.0120.05312.34
5.4.180.0110.05412.34
5.4.170.0060.06012.35
5.4.160.0110.05212.34
5.4.150.0180.04512.34
5.4.140.0110.05612.02
5.4.130.0110.08312.02
5.4.120.0080.06011.97
5.4.110.0130.05511.97
5.4.100.0100.05211.96
5.4.90.0120.05611.96
5.4.80.0140.05211.97
5.4.70.0110.05411.96
5.4.60.0110.05511.96
5.4.50.0060.05911.96
5.4.40.0160.04711.95
5.4.30.0180.06911.95
5.4.20.0080.05811.95
5.4.10.0070.05611.95
5.4.00.0090.05511.44
5.3.290.0050.04212.80
5.3.280.0100.05512.71
5.3.270.0130.05312.72
5.3.260.0130.05612.72
5.3.250.0190.05112.72
5.3.240.0110.05612.72
5.3.230.0100.05412.71
5.3.220.0070.06412.68
5.3.210.0130.05612.68
5.3.200.0060.06212.68
5.3.190.0070.05612.68
5.3.180.0060.05312.67
5.3.170.0100.05312.67
5.3.160.0080.05112.68
5.3.150.0110.05512.67
5.3.140.0110.05212.66
5.3.130.0090.05412.66
5.3.120.0110.05212.66
5.3.110.0110.05212.66
5.3.100.0090.05212.12
5.3.90.0070.05612.08
5.3.80.0080.05312.07
5.3.70.0090.07512.07
5.3.60.0170.05212.07
5.3.50.0150.04612.00
5.3.40.0080.06612.00
5.3.30.0120.05711.94
5.3.20.0180.07511.72
5.3.10.0120.07311.69
5.3.00.0110.06911.68
5.2.170.0140.0749.18
5.2.160.0090.0809.17
5.2.150.0110.0739.18
5.2.140.0090.0509.17
5.2.130.0060.0499.14
5.2.120.0090.0449.13
5.2.110.0060.0659.14
5.2.100.0080.0529.14
5.2.90.0080.0519.14
5.2.80.0070.0399.13
5.2.70.0040.0459.14
5.2.60.0080.0519.09
5.2.50.0090.0329.05
5.2.40.0060.0489.03
5.2.30.0080.0589.01
5.2.20.0110.0338.99
5.2.10.0060.0368.92
5.2.00.0070.0348.78
5.1.60.0040.0288.06
5.1.50.0060.0248.05
5.1.40.0070.0258.04
5.1.30.0030.0308.39
5.1.20.0050.0478.41
5.1.10.0070.0438.13
5.1.00.0170.0528.13
5.0.50.0040.0316.61
5.0.40.0070.0426.48
5.0.30.0070.0406.29
5.0.20.0040.0256.26
5.0.10.0040.0346.24
5.0.00.0030.0386.23
4.4.90.0030.0184.78
4.4.80.0040.0204.76
4.4.70.0080.0244.76
4.4.60.0030.0284.75
4.4.50.0150.0274.77
4.4.40.0080.0474.71
4.4.30.0030.0244.76
4.4.20.0050.0264.84
4.4.10.0070.0414.85
4.4.00.0080.0584.76
4.3.110.0040.0204.67
4.3.100.0030.0174.66
4.3.90.0030.0214.63
4.3.80.0020.0374.58
4.3.70.0040.0404.63
4.3.60.0050.0184.63
4.3.50.0010.0204.63
4.3.40.0040.0304.54
4.3.30.0030.0223.28
4.3.20.0040.0213.26
4.3.10.0010.0243.22
4.3.00.0070.01725.28

preferences:
48.8 ms | 401 KiB | 5 Q