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 />"; } } $test = new Test(); $test->abc();

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)
8.3.60.0140.00016.63
8.3.50.0110.00716.49
8.3.40.0140.00018.64
8.3.30.0180.00318.71
8.3.20.0070.00320.42
8.3.10.0040.00421.95
8.3.00.0050.00321.90
8.2.180.0070.01416.75
8.2.170.0060.00922.96
8.2.160.0120.00322.26
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00020.80
8.2.120.0040.00426.35
8.2.110.0060.00319.21
8.2.100.0120.00019.58
8.2.90.0030.00519.26
8.2.80.0080.00017.97
8.2.70.0000.00817.50
8.2.60.0050.00317.93
8.2.50.0110.00018.09
8.2.40.0080.00022.12
8.2.30.0000.00719.51
8.2.20.0030.00517.70
8.2.10.0080.00018.17
8.2.00.0000.00818.05
8.1.280.0120.00325.92
8.1.270.0130.00622.09
8.1.260.0000.00728.09
8.1.250.0040.00428.09
8.1.240.0030.00519.12
8.1.230.0070.00418.61
8.1.220.0030.00517.79
8.1.210.0000.00818.77
8.1.200.0040.00417.48
8.1.190.0050.00317.35
8.1.180.0060.00318.10
8.1.170.0030.00518.43
8.1.160.0040.00420.65
8.1.150.0000.00720.67
8.1.140.0040.00419.54
8.1.130.0070.00017.69
8.1.120.0070.00017.41
8.1.110.0000.00717.46
8.1.100.0000.00717.36
8.1.90.0000.00717.45
8.1.80.0030.00717.45
8.1.70.0030.00317.36
8.1.60.0060.00317.53
8.1.50.0000.00917.48
8.1.40.0060.00617.49
8.1.30.0060.00317.65
8.1.20.0000.00817.61
8.1.10.0040.00417.60
8.1.00.0000.00817.50
8.0.300.0000.00718.77
8.0.290.0090.00016.75
8.0.280.0000.00718.45
8.0.270.0000.00717.27
8.0.260.0030.00317.33
8.0.250.0000.00717.03
8.0.240.0000.00717.02
8.0.230.0030.00316.89
8.0.220.0000.00716.97
8.0.210.0000.00716.86
8.0.200.0030.00317.02
8.0.190.0030.00717.10
8.0.180.0040.00416.88
8.0.170.0100.00017.02
8.0.160.0000.00716.89
8.0.150.0030.00416.96
8.0.140.0000.00716.81
8.0.130.0030.00513.43
8.0.120.0040.00416.78
8.0.110.0040.00416.86
8.0.100.0050.00316.95
8.0.90.0040.00416.94
8.0.80.0070.00716.96
8.0.70.0040.00416.91
8.0.60.0040.00416.86
8.0.50.0000.00716.94
8.0.30.0120.00717.15
8.0.20.0100.00817.40
8.0.10.0000.00717.16
8.0.00.0120.00616.92
7.4.330.0050.00016.84
7.4.320.0000.00616.41
7.4.300.0000.00816.59
7.4.290.0030.00316.52
7.4.280.0000.00716.50
7.4.270.0040.00316.64
7.4.260.0060.00016.55
7.4.250.0040.00416.50
7.4.240.0050.00216.43
7.4.230.0070.00016.59
7.4.220.0090.00916.61
7.4.210.0030.01116.50
7.4.200.0000.00716.68
7.4.160.0120.00316.48
7.4.150.0100.01317.40
7.4.140.0070.01117.86
7.4.130.0150.00616.56
7.4.120.0050.01416.55
7.4.110.0120.00416.51
7.4.100.0110.01116.73
7.4.90.0160.00416.63
7.4.80.0060.01019.39
7.4.70.0110.01116.58
7.4.60.0060.01616.42
7.4.50.0100.00716.37
7.4.40.0180.00016.83
7.4.30.0030.01516.32
7.4.00.0070.00714.68
7.3.330.0000.00613.36
7.3.320.0000.00613.50
7.3.310.0000.00716.33
7.3.300.0030.00316.30
7.3.290.0030.00316.40
7.3.280.0090.00916.42
7.3.270.0150.00317.40
7.3.260.0150.00416.56
7.3.250.0080.01016.38
7.3.240.0120.01116.45
7.3.230.0060.01216.61
7.3.210.0100.00616.32
7.3.200.0090.01219.39
7.3.190.0130.00216.44
7.3.180.0110.00716.53
7.3.170.0080.00816.40
7.3.160.0110.00516.42
7.3.10.0030.00916.69
7.3.00.0060.00916.43
7.2.330.0000.01816.61
7.2.320.0170.00016.75
7.2.310.0110.00516.29
7.2.300.0090.01316.63
7.2.290.0030.01716.78
7.2.130.0040.00816.97
7.2.120.0080.00417.02
7.2.110.0030.01017.06
7.2.100.0090.00316.83
7.2.90.0030.01017.14
7.2.80.0060.00616.89
7.2.70.0030.00716.61
7.2.60.0100.00517.01
7.2.50.0100.00316.88
7.2.40.0060.00617.02
7.2.30.0060.00617.12
7.2.20.0040.00816.90
7.2.10.0090.00016.79
7.2.00.0050.00818.19
7.1.250.0080.00415.60
7.1.200.0060.00315.93
7.1.100.0040.00818.02
7.1.70.0100.00017.21
7.1.60.0100.01019.40
7.1.50.0070.01117.12
7.1.00.0000.08022.36
7.0.200.0160.00316.73
7.0.60.0170.06721.69
7.0.50.0030.05717.87
7.0.40.0130.08320.24
7.0.30.0230.04720.30
7.0.20.0230.08720.21
7.0.10.0130.05320.21
7.0.00.0100.03720.06
5.6.280.0100.08020.91
5.6.210.0230.07020.71
5.6.200.0070.04718.25
5.6.190.0070.08320.64
5.6.180.0170.06720.42
5.6.170.0230.03720.51
5.6.160.0000.09020.54
5.6.150.0130.07718.18
5.6.140.0030.04018.25
5.6.130.0070.05018.15
5.6.120.0070.08021.09
5.6.110.0070.06020.96
5.6.100.0000.08320.96
5.6.90.0100.08321.00
5.6.80.0070.04020.38
5.5.350.0230.07020.31
5.5.340.0030.04317.95
5.5.330.0030.04320.25
5.5.320.0530.04720.22
5.5.310.0270.05320.41
5.5.300.0170.07018.06
5.5.290.0000.07017.98
5.5.280.0000.04720.96
5.5.270.0100.08720.77
5.5.260.0130.08020.79
5.5.250.0130.06320.61
5.5.240.0170.06320.16

preferences:
49.58 ms | 400 KiB | 5 Q