3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $a; protected $b = 'hello'; public $c = 'world'; } $a = new A; var_dump(isset($a->a)); var_dump(isset($a->b)); var_dump(isset($a->c));

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)
8.3.40.0070.00718.67
8.3.30.0110.00318.92
8.3.20.0040.00420.03
8.3.10.0000.00823.48
8.3.00.0060.00320.84
8.2.170.0140.00022.96
8.2.160.0080.00520.39
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0050.00320.89
8.2.110.0060.00322.20
8.2.100.0050.00517.72
8.2.90.0000.00719.24
8.2.80.0080.00017.97
8.2.70.0050.00317.50
8.2.60.0030.00617.93
8.2.50.0040.00418.07
8.2.40.0030.00521.19
8.2.30.0000.00718.10
8.2.20.0000.00817.73
8.2.10.0040.00418.07
8.2.00.0000.00717.53
8.1.270.0030.00623.66
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00323.98
8.1.230.0040.00718.82
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0060.00317.10
8.1.190.0060.00317.13
8.1.180.0040.00418.10
8.1.170.0060.00318.66
8.1.160.0040.00421.87
8.1.150.0000.00718.56
8.1.140.0080.00017.33
8.1.130.0080.00017.82
8.1.120.0030.00517.45
8.1.110.0030.00517.39
8.1.100.0040.00417.36
8.1.90.0030.00317.43
8.1.80.0040.00417.30
8.1.70.0000.00717.26
8.1.60.0050.00317.46
8.1.50.0050.00317.34
8.1.40.0080.00017.36
8.1.30.0000.00817.55
8.1.20.0040.00417.52
8.1.10.0060.00317.56
8.1.00.0030.00517.47
8.0.300.0040.00418.77
8.0.290.0030.00317.05
8.0.280.0050.00218.30
8.0.270.0030.00517.24
8.0.260.0060.00017.15
8.0.250.0000.00716.94
8.0.240.0000.00616.82
8.0.230.0000.00716.80
8.0.220.0040.00416.79
8.0.210.0000.00716.85
8.0.200.0040.00416.79
8.0.190.0000.00716.87
8.0.180.0040.00416.69
8.0.170.0000.00716.81
8.0.160.0030.00316.89
8.0.150.0040.00316.79
8.0.140.0050.00316.80
8.0.130.0000.00713.22
8.0.120.0030.00516.81
8.0.110.0000.00716.87
8.0.100.0030.00616.71
8.0.90.0000.00816.87
8.0.80.0130.00316.83
8.0.70.0040.00416.82
8.0.60.0040.00416.68
8.0.50.0040.00416.89
8.0.30.0120.00716.84
8.0.20.0100.01217.40
8.0.10.0000.00716.82
8.0.00.0090.01216.69
7.4.330.0050.00015.00
7.4.320.0000.00716.43
7.4.300.0000.00616.39
7.4.290.0030.00316.55
7.4.280.0040.00416.30
7.4.270.0000.00716.37
7.4.260.0030.00316.57
7.4.250.0050.00216.55
7.4.240.0030.00516.39
7.4.230.0070.00016.52
7.4.220.0110.00616.34
7.4.210.0020.01316.47
7.4.200.0050.00316.47
7.4.190.0030.00316.46
7.4.160.0080.00816.33
7.4.150.0100.01017.40
7.4.140.0080.01517.86
7.4.130.0080.01016.49
7.4.120.0080.00916.47
7.4.110.0140.00316.43
7.4.100.0110.01116.30
7.4.90.0140.00316.39
7.4.80.0120.00619.39
7.4.70.0100.00716.41
7.4.60.0090.00916.52
7.4.50.0000.00916.39
7.4.40.0130.00316.29
7.4.30.0030.01416.45
7.4.00.0110.00315.05
7.3.330.0000.00713.07
7.3.320.0030.00313.05
7.3.310.0080.00016.08
7.3.300.0000.00616.05
7.3.290.0040.01316.15
7.3.280.0070.01216.14
7.3.270.0090.00917.40
7.3.260.0100.00716.37
7.3.250.0100.01016.21
7.3.240.0160.00016.29
7.3.230.0130.00316.39
7.3.210.0140.00316.13
7.3.200.0170.00319.39
7.3.190.0060.01416.45
7.3.180.0090.00916.33
7.3.170.0050.01016.41
7.3.160.0180.00316.39
7.3.120.0120.00314.91
7.2.330.0100.00716.44
7.2.320.0080.01116.70
7.2.310.0100.01316.44
7.2.300.0100.00716.72
7.2.290.0150.00416.46
7.2.60.0000.00816.89
7.2.00.0030.01019.41
7.1.200.0070.00715.53
7.1.100.0000.00817.70
7.1.70.0030.00517.07
7.1.60.0130.01319.46
7.1.50.0100.01316.90
7.1.00.0130.06722.31
7.0.200.0040.00416.50
7.0.140.0030.07322.18
7.0.60.0070.07319.93
7.0.50.0100.07317.84
7.0.40.0100.06320.23
7.0.30.0370.06720.25
7.0.20.0230.05320.25
7.0.10.0200.07020.26
7.0.00.0070.04720.23
5.6.280.0030.07321.10
5.6.210.0100.07720.69
5.6.200.0000.04718.19
5.6.190.0100.07020.43
5.6.180.0070.04720.39
5.6.170.0300.05320.40
5.6.160.0130.07320.55
5.6.150.0130.07018.23
5.6.140.0000.07318.16
5.6.130.0070.06318.20
5.6.120.0070.06320.98
5.6.110.0200.07321.09
5.6.100.0030.04321.11
5.6.90.0130.07021.02
5.6.80.0100.07020.38
5.5.350.0100.07720.45
5.5.340.0170.07317.98
5.5.330.0030.04720.47
5.5.320.0330.07320.51
5.5.310.0400.06320.28
5.5.300.0130.07317.99
5.5.290.0170.07017.96
5.5.280.0000.04720.80
5.5.270.0070.07020.86
5.5.260.0100.08020.73
5.5.250.0170.06020.58
5.5.240.0030.07720.23
5.4.450.0830.07319.47
5.4.440.0930.06719.43
5.4.430.1230.05019.20
5.4.420.0970.05719.54
5.4.410.1030.06019.34
5.4.400.1000.05319.23
5.4.390.0900.04719.14
5.4.380.0370.05318.53
5.4.370.0430.05718.76
5.4.360.0370.05318.75
5.4.350.0370.05718.74
5.4.340.0270.06018.79
5.4.320.0040.03612.50
5.4.310.0070.03812.50
5.4.300.0190.08812.50
5.4.290.0100.04612.49
5.4.280.0280.11112.39
5.4.270.0170.07212.39
5.4.260.0140.08312.39
5.4.250.0160.05512.39
5.4.240.0250.11212.39
5.4.230.0160.06512.38
5.4.220.0200.10812.38
5.4.210.0160.08112.38
5.4.200.0140.06812.38
5.4.190.0120.06712.38
5.4.180.0080.04512.38
5.4.170.0140.05612.39
5.4.160.0060.04012.39
5.4.150.0140.07912.39
5.4.140.0170.05812.07
5.4.130.0130.06712.05
5.4.120.0060.04812.01
5.4.110.0100.06512.01
5.4.100.0080.04512.01
5.4.90.0130.08712.01
5.4.80.0110.06112.00
5.4.70.0130.08612.00
5.4.60.0210.08712.00
5.4.50.0090.04212.00
5.4.40.0050.04012.00
5.4.30.0080.05711.98
5.4.20.0070.04611.99
5.4.10.0100.03711.99
5.4.00.0080.04011.48
5.3.290.0090.03912.80
5.3.280.0070.04312.71
5.3.270.0080.05212.72
5.3.260.0120.06712.72
5.3.250.0160.08012.72
5.3.240.0150.06712.71
5.3.230.0110.04612.70
5.3.220.0140.04612.68
5.3.210.0080.04912.68
5.3.200.0160.06212.68
5.3.190.0140.05212.68
5.3.180.0110.04012.67
5.3.170.0080.03912.67
5.3.160.0070.04912.67
5.3.150.0100.05212.67
5.3.140.0130.04912.66
5.3.130.0050.05812.66
5.3.120.0080.04612.66
5.3.110.0060.05812.66
5.3.100.0110.06612.12
5.3.90.0110.06012.09
5.3.80.0180.07212.08
5.3.70.0100.08812.09
5.3.60.0230.11112.07
5.3.50.0200.07912.02
5.3.40.0110.05912.02
5.3.30.0130.06211.98
5.3.20.0080.05711.76
5.3.10.0130.06511.72
5.3.00.0100.06711.71
5.2.170.0060.0529.21
5.2.160.0100.0539.21
5.2.150.0080.0579.21
5.2.140.0110.0569.21
5.2.130.0070.0469.17
5.2.120.0110.0399.17
5.2.110.0140.0399.18
5.2.100.0120.0469.18
5.2.90.0090.0489.17
5.2.80.0080.0599.17
5.2.70.0050.0579.17
5.2.60.0100.0539.12
5.2.50.0110.0519.09
5.2.40.0080.0539.07
5.2.30.0200.0599.04
5.2.20.0070.0509.03
5.2.10.0070.0438.93
5.2.00.0060.0418.80
5.1.60.0100.0518.08
5.1.50.0130.0518.08
5.1.40.0160.0508.06
5.1.30.0060.0428.41
5.1.20.0110.0458.43
5.1.10.0080.0528.16
5.1.00.0100.0428.15
5.0.50.0060.0366.64
5.0.40.0040.0366.50
5.0.30.0120.0476.31
5.0.20.0050.0366.27
5.0.10.0180.0556.25
5.0.00.0110.0906.25
4.4.90.0090.0414.78
4.4.80.0070.0474.75
4.4.70.0060.0324.75
4.4.60.0040.0234.75
4.4.50.0040.0254.77
4.4.40.0080.0334.71
4.4.30.0060.0204.76
4.4.20.0040.0254.85
4.4.10.0060.0234.85
4.4.00.0070.0334.76
4.3.110.0040.0254.66
4.3.100.0060.0224.67
4.3.90.0060.0224.63
4.3.80.0020.0374.59
4.3.70.0060.0234.63
4.3.60.0070.0204.63
4.3.50.0060.0224.63
4.3.40.0080.0304.54
4.3.30.0070.0193.30
4.3.20.0050.0213.28
4.3.10.0030.0243.23
4.3.00.0070.0207.35

preferences:
32.17 ms | 400 KiB | 5 Q