3v4l.org

run code in 300+ PHP versions simultaneously
<?php class x { public function x() { $x =& $this; $x = new stdClass; var_dump($this); } } var_dump(new x);

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)
8.3.70.0110.00416.13
8.3.60.0070.00718.31
8.3.50.0150.00721.89
8.3.40.0100.01018.81
8.3.30.0120.00318.95
8.3.20.0040.00420.16
8.3.10.0000.00721.90
8.3.00.0000.01020.58
8.2.180.0040.01116.59
8.2.170.0150.00022.96
8.2.160.0040.01120.65
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0150.00426.16
8.2.120.0050.00319.11
8.2.110.0030.00619.30
8.2.100.0060.00617.78
8.2.90.0040.00419.11
8.2.80.0000.00817.97
8.2.70.0080.00017.50
8.2.60.0050.00317.80
8.2.50.0040.00418.07
8.2.40.0060.00318.22
8.2.30.0040.00417.82
8.2.20.0050.00317.59
8.2.10.0040.00417.45
8.2.00.0080.00017.68
8.1.280.0070.01125.92
8.1.270.0040.00422.14
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0000.00921.16
8.1.230.0030.00717.46
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0090.00017.23
8.1.190.0030.00617.22
8.1.180.0040.00418.48
8.1.170.0000.00818.57
8.1.160.0030.00621.96
8.1.150.0040.00418.56
8.1.140.0040.00417.24
8.1.130.0030.00317.57
8.1.120.0040.00417.36
8.1.110.0000.00717.34
8.1.100.0070.00017.33
8.1.90.0000.00817.22
8.1.80.0040.00417.31
8.1.70.0040.00417.28
8.1.60.0000.00917.34
8.1.50.0000.00717.35
8.1.40.0040.00417.33
8.1.30.0030.00617.33
8.1.20.0000.00817.54
8.1.10.0080.00017.47
8.1.00.0030.00617.38
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0000.00718.38
8.0.270.0040.00416.63
8.0.260.0030.00316.75
8.0.250.0030.00316.80
8.0.240.0030.00316.87
8.0.230.0000.00816.85
8.0.220.0030.00316.78
8.0.210.0000.00716.86
8.0.200.0050.00316.81
8.0.190.0000.00716.77
8.0.180.0000.00716.77
8.0.170.0040.00416.78
8.0.160.0040.00416.75
8.0.150.0040.00416.68
8.0.140.0050.00216.73
8.0.130.0000.00513.16
8.0.120.0080.00016.74
8.0.110.0000.00716.68
8.0.100.0040.00416.63
8.0.90.0080.00016.73
8.0.80.0000.01516.78
8.0.70.0040.00416.83
8.0.60.0040.00416.73
8.0.50.0040.00416.66
8.0.30.0120.00716.93
8.0.20.0120.00717.40
8.0.10.0000.00716.71
8.0.00.0110.01116.52
7.4.330.0000.00415.00
7.4.320.0000.00716.40
7.4.300.0060.00016.51
7.4.290.0040.00416.36
7.4.280.0060.00316.50
7.4.270.0000.00616.63
7.4.260.0030.00316.58
7.4.250.0030.00516.56
7.4.240.0040.00416.61
7.4.230.0000.00716.70
7.4.220.0030.01416.43
7.4.210.0070.01016.49
7.4.200.0040.00416.63
7.4.190.0070.00016.68
7.4.160.0080.00816.38
7.4.150.0060.01317.40
7.4.140.0050.01417.86
7.4.130.0040.01316.51
7.4.120.0130.00716.52
7.4.110.0030.01416.62
7.4.100.0100.01016.48
7.4.90.0080.01516.62
7.4.80.0090.00919.39
7.4.70.0120.01216.38
7.4.60.0090.00916.48
7.4.50.0000.00816.54
7.4.40.0000.01522.77
7.4.30.0150.00616.51
7.4.00.0070.01015.23
7.3.330.0050.00013.15
7.3.320.0030.00213.29
7.3.310.0070.00016.36
7.3.300.0060.00016.32
7.3.290.0160.00316.22
7.3.280.0080.01016.28
7.3.270.0060.01017.40
7.3.260.0090.01516.32
7.3.250.0130.00416.39
7.3.240.0160.00616.25
7.3.230.0100.00716.39
7.3.210.0100.00716.25
7.3.200.0100.00716.26
7.3.190.0130.00316.24
7.3.180.0040.01216.53
7.3.170.0070.01016.38
7.3.160.0100.01016.38
7.3.120.0030.01014.54
7.3.10.0120.00316.44
7.3.00.0100.00816.32
7.2.330.0090.01316.38
7.2.320.0070.01516.55
7.2.310.0090.01216.56
7.2.300.0060.01016.35
7.2.290.0060.01516.55
7.2.130.0100.00816.66
7.2.120.0090.00716.66
7.2.110.0090.00816.83
7.2.100.0070.00516.68
7.2.90.0060.00916.85
7.2.80.0070.00716.59
7.2.70.0000.01416.81
7.2.60.0080.00816.62
7.2.50.0110.00516.75
7.2.40.0020.01116.75
7.2.30.0010.00916.93
7.2.20.0050.01016.70
7.2.10.0010.01316.81
7.2.00.0070.00717.54
7.1.250.0050.00815.49
7.1.200.0070.00415.79
7.1.100.0000.01318.06
7.1.70.0040.00417.18
7.1.60.0040.00717.16
7.1.50.0030.00716.95
7.1.40.0070.00416.33
7.1.30.0000.01116.65
7.1.20.0040.00716.42
7.1.10.0000.00716.61
7.1.00.0040.00416.75
7.0.200.0000.00716.82
7.0.190.0000.00816.71
7.0.180.0040.00416.34
7.0.170.0040.00416.21
7.0.160.0040.00416.16
7.0.150.0040.00416.10
7.0.140.0020.00516.40
7.0.130.0000.00716.43
7.0.120.0000.01216.61
7.0.110.0040.00416.52
7.0.100.0050.00316.30
7.0.90.0000.01016.42
7.0.80.0040.00416.20
7.0.70.0040.00716.35
7.0.60.0040.00416.19
7.0.50.0090.00016.15
7.0.40.0000.00715.92
7.0.30.0030.00515.92
7.0.20.0020.00515.92
7.0.10.0050.00215.92
7.0.00.0020.00515.92
5.6.300.0070.03920.57
5.6.290.0030.04520.92
5.6.280.0070.04020.88
5.6.270.0160.05521.09
5.6.260.0000.04821.00
5.6.250.0030.04421.02
5.6.240.0060.06520.80
5.6.230.0070.03920.97
5.6.220.0070.04120.81
5.6.210.0030.05420.60
5.6.200.0100.06321.03
5.6.190.0030.04320.95
5.6.180.0100.04120.93
5.6.170.0060.04220.82
5.6.160.0070.04320.86
5.6.150.0000.04520.96
5.6.140.0070.04321.02
5.6.130.0070.04420.90
5.6.120.0030.04620.86
5.6.110.0070.04720.71
5.6.100.0100.04121.02
5.6.90.0130.04120.80
5.6.80.0030.04920.21
5.6.70.0070.04020.20
5.6.60.0040.04220.20
5.6.50.0130.03020.20
5.6.40.0030.04820.32
5.6.30.0100.04220.35
5.6.20.0170.04320.31
5.6.10.0060.03920.19
5.6.00.0100.04120.29
5.5.380.0030.04317.43
5.5.370.0060.03817.56
5.5.360.0070.04117.43
5.5.350.0160.02617.62
5.5.340.0100.04218.09
5.5.330.0030.04118.13
5.5.320.0030.04218.09
5.5.310.0000.04518.00
5.5.300.0030.04118.06
5.5.290.0090.03818.06
5.5.280.0030.04218.02
5.5.270.0030.05217.99
5.5.260.0000.05617.83
5.5.250.0100.04417.52
5.5.240.0070.04117.09
5.5.230.0070.04117.46
5.5.220.0030.04417.08
5.5.210.0070.03617.13
5.5.200.0170.03017.42
5.5.190.0070.04417.40
5.5.180.0070.04617.44
5.5.160.0030.04417.39
5.5.150.0100.03217.52
5.5.140.0030.04417.44
5.5.130.0070.03817.43
5.5.120.0030.04217.47
5.5.110.0000.04617.37
5.5.100.0030.04317.29
5.5.90.0030.04017.38
5.5.80.0090.03217.09
5.5.70.0000.05417.28
5.5.60.0000.04517.10
5.5.50.0060.03917.24
5.5.40.0070.04017.30
5.5.30.0000.04517.26
5.5.20.0000.04617.24
5.5.10.0070.03517.10
5.5.00.0070.03817.32
5.4.450.0000.04819.48
5.4.440.0070.04119.48
5.4.430.0060.04819.39
5.4.420.0070.04719.44
5.4.410.0040.04719.13
5.4.400.0140.03118.96
5.4.390.0060.04519.00
5.4.380.0070.03519.11
5.4.370.0130.05418.95
5.4.360.0070.03618.99
5.4.350.0030.04819.12
5.4.340.0100.03319.07
5.4.320.0070.04018.98
5.4.310.0070.03718.99
5.4.300.0100.04919.07
5.4.290.0030.04419.14
5.4.280.0000.05018.92
5.4.270.0090.03319.20
5.4.260.0070.04718.89
5.4.250.0100.03619.11
5.4.240.0000.04519.09
5.4.230.0070.04318.89
5.4.220.0030.03918.98
5.4.210.0060.03519.20
5.4.200.0000.04919.20
5.4.190.0030.04319.23
5.4.180.0100.03219.20
5.4.170.0160.02818.91
5.4.160.0000.04218.93
5.4.150.0070.04018.96
5.4.140.0030.04316.45
5.4.130.0070.03516.50
5.4.120.0060.03716.70
5.4.110.0100.03316.64
5.4.100.0090.03416.75
5.4.90.0190.03216.63
5.4.80.0030.04216.75
5.4.70.0030.03716.47
5.4.60.0030.03916.69
5.4.50.0030.04016.63
5.4.40.0000.04616.73
5.4.30.0000.03916.62
5.4.20.0030.03616.46
5.4.10.0060.03416.74
5.4.00.0000.04616.10
5.3.290.0070.04015.92
5.3.280.0040.04815.92
5.3.270.0040.04215.92
5.3.260.0000.04115.92
5.3.250.0000.04315.92
5.3.240.0090.03815.92
5.3.230.0040.03915.92
5.3.220.0040.03915.92
5.3.210.0030.04315.92
5.3.200.0090.04015.92
5.3.190.0060.03415.92
5.3.180.0070.03615.92
5.3.170.0060.04015.92
5.3.160.0030.06915.92
5.3.150.0070.03615.92
5.3.140.0030.04215.92
5.3.130.0330.03615.92
5.3.120.0000.04115.92
5.3.110.0000.04415.92
5.3.100.0000.04815.92
5.3.90.0000.05015.92
5.3.80.0000.04115.92
5.3.70.0030.03915.92
5.3.60.0030.03615.92
5.3.50.0070.03615.92
5.3.40.0070.03315.92
5.3.30.0100.03115.92
5.3.20.0100.03015.92
5.3.10.0000.04115.92
5.3.00.0030.03515.92

preferences:
42.32 ms | 401 KiB | 5 Q