3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { var $foo = "bar"; function abc() { var_dump($this); echo "<br />"; var_dump($this->foo); echo "<hr />"; $thisStr = "this"; $$thisStr = "Hello!"; var_dump($this); echo "<br />"; } }

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)
8.3.60.0110.00316.25
8.3.50.0130.00721.07
8.3.40.0090.00618.53
8.3.30.0120.00918.72
8.3.20.0040.00420.04
8.3.10.0040.00421.82
8.3.00.0040.00421.93
8.2.180.0140.00716.38
8.2.170.0120.00322.96
8.2.160.0130.00022.08
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0000.01420.68
8.2.120.0040.00426.35
8.2.110.0220.00019.27
8.2.100.0070.00417.66
8.2.90.0080.00019.10
8.2.80.0080.00017.97
8.2.70.0040.00417.49
8.2.60.0050.00317.80
8.2.50.0070.00418.09
8.2.40.0080.00022.27
8.2.30.0000.00819.20
8.2.20.0000.00817.52
8.2.10.0040.00418.00
8.2.00.0090.00017.80
8.1.280.0090.00625.92
8.1.270.0160.00322.20
8.1.260.0070.00028.09
8.1.250.0000.00828.09
8.1.240.0040.00423.84
8.1.230.0000.01117.42
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0090.00017.23
8.1.190.0060.00617.00
8.1.180.0030.00518.10
8.1.170.0000.00818.48
8.1.160.0040.00420.55
8.1.150.0050.00220.46
8.1.140.0050.00319.47
8.1.130.0040.00417.63
8.1.120.0040.00417.33
8.1.110.0050.00217.22
8.1.100.0000.00817.36
8.1.90.0030.00517.24
8.1.80.0000.00917.27
8.1.70.0030.00317.26
8.1.60.0030.00617.35
8.1.50.0040.00417.30
8.1.40.0000.01217.30
8.1.30.0030.00517.57
8.1.20.0000.00817.43
8.1.10.0050.00317.24
8.1.00.0020.00517.27
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0000.00618.33
8.0.270.0030.00317.18
8.0.260.0070.00017.24
8.0.250.0000.00716.79
8.0.240.0000.00716.72
8.0.230.0000.00716.89
8.0.220.0020.00516.66
8.0.210.0040.00416.77
8.0.200.0060.00016.84
8.0.190.0070.00316.69
8.0.180.0050.00316.77
8.0.170.0090.00016.82
8.0.160.0000.00716.67
8.0.150.0000.00816.71
8.0.140.0040.00416.64
8.0.130.0060.00313.26
8.0.120.0000.00716.68
8.0.110.0040.00416.73
8.0.100.0040.00416.76
8.0.90.0000.00716.75
8.0.80.0000.01416.69
8.0.70.0040.00416.64
8.0.60.0000.00816.79
8.0.50.0040.00416.67
8.0.30.0140.00217.05
8.0.20.0110.00717.40
8.0.10.0040.00416.89
8.0.00.0110.00616.54
7.4.330.0050.00016.71
7.4.320.0000.00716.33
7.4.300.0000.00716.48
7.4.290.0030.00316.38
7.4.280.0040.00416.36
7.4.270.0030.00316.48
7.4.260.0000.00716.37
7.4.250.0040.00416.46
7.4.240.0000.00716.46
7.4.230.0040.00416.18
7.4.220.0070.01116.25
7.4.210.0080.00716.50
7.4.200.0000.00716.45
7.4.160.0090.00616.35
7.4.150.0090.00917.40
7.4.140.0130.00517.86
7.4.130.0130.00816.48
7.4.120.0120.00516.38
7.4.110.0070.01016.44
7.4.100.0140.00316.25
7.4.90.0130.00616.23
7.4.80.0150.00919.39
7.4.70.0100.00716.11
7.4.60.0150.00316.48
7.4.50.0030.00916.29
7.4.40.0100.00616.41
7.4.30.0140.00716.09
7.4.00.0040.01414.93
7.3.330.0000.00713.15
7.3.320.0040.00213.17
7.3.310.0000.00716.09
7.3.300.0060.00016.23
7.3.290.0000.00716.05
7.3.280.0100.00916.14
7.3.270.0130.00617.40
7.3.260.0030.01316.29
7.3.250.0100.01016.24
7.3.240.0120.00916.41
7.3.230.0110.00616.39
7.3.210.0060.01016.24
7.3.200.0070.01119.39
7.3.190.0040.01216.32
7.3.180.0120.00416.20
7.3.170.0030.01316.40
7.3.160.0100.00616.16
7.2.330.0140.01016.31
7.2.320.0070.01016.25
7.2.310.0130.00316.20
7.2.300.0090.01016.28
7.2.290.0060.01516.65
7.2.00.0070.00419.32
7.1.100.0000.01117.76
7.1.70.0040.01216.81
7.1.60.0100.01419.40
7.1.50.0040.00716.90
7.1.00.0100.06722.25
7.0.200.0090.00616.69
7.0.60.0100.07321.59
7.0.50.0130.08017.88
7.0.40.0130.08320.09
7.0.30.0270.04320.21
7.0.20.0300.04020.22
7.0.10.0130.07720.07
7.0.00.0070.04320.07
5.6.280.0030.07720.79
5.6.210.0070.08020.51
5.6.200.0170.04718.23
5.6.190.0070.07720.47
5.6.180.0200.04020.50
5.6.170.0270.04320.57
5.6.160.0030.09020.53
5.6.150.0070.04018.27
5.6.140.0100.05718.12
5.6.130.0100.05718.28
5.6.120.0200.07321.02
5.6.110.0100.07720.98
5.6.100.0130.08321.07
5.6.90.0100.08321.10
5.6.80.0070.08720.53
5.5.350.0170.08320.53
5.5.340.0000.09018.09
5.5.330.0100.03720.19
5.5.320.0300.07720.27
5.5.310.0330.06320.34
5.5.300.0030.04717.98
5.5.290.0100.04718.04
5.5.280.0030.04020.68
5.5.270.0070.08020.79
5.5.260.0100.06720.97
5.5.250.0030.07320.58
5.5.240.0200.07720.27

preferences:
32.83 ms | 401 KiB | 5 Q