3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { function muta($bar) { $new = &$this; $new = &$bar; } } $a = new foo; $a->muta(new stdClass); echo get_class($a);

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)
8.3.60.0120.00618.30
8.3.50.0050.01222.83
8.3.40.0120.00918.57
8.3.30.0060.00919.04
8.3.20.0070.00020.21
8.3.10.0070.00023.59
8.3.00.0000.00819.38
8.2.180.0090.00918.16
8.2.170.0070.01022.96
8.2.160.0070.00720.39
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0000.01426.16
8.2.120.0050.00320.92
8.2.110.0000.00822.14
8.2.100.0070.00417.72
8.2.90.0040.00419.25
8.2.80.0040.00417.97
8.2.70.0030.00617.48
8.2.60.0030.00617.91
8.2.50.0100.00018.07
8.2.40.0000.00718.22
8.2.30.0040.00418.16
8.2.20.0050.00317.55
8.2.10.0040.00418.05
8.2.00.0080.00017.53
8.1.280.0070.00725.92
8.1.270.0060.00323.91
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00023.79
8.1.230.0040.00719.12
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0000.00917.13
8.1.190.0040.00417.13
8.1.180.0030.00518.10
8.1.170.0030.00518.54
8.1.160.0040.00421.81
8.1.150.0030.00618.82
8.1.140.0040.00417.38
8.1.130.0030.00317.83
8.1.120.0000.00917.32
8.1.110.0050.00317.30
8.1.100.0000.00717.29
8.1.90.0040.00817.23
8.1.80.0060.00317.25
8.1.70.0070.00017.30
8.1.60.0040.00417.53
8.1.50.0050.00317.43
8.1.40.0040.00417.34
8.1.30.0000.00917.54
8.1.20.0070.00017.64
8.1.10.0040.00417.52
8.1.00.0040.00417.52
8.0.300.0060.00319.09
8.0.290.0000.00716.75
8.0.280.0030.00318.35
8.0.270.0030.00317.29
8.0.260.0000.00617.23
8.0.250.0000.00716.98
8.0.240.0000.00716.95
8.0.230.0050.00216.75
8.0.220.0000.00716.74
8.0.210.0070.00016.71
8.0.200.0030.00316.80
8.0.190.0040.00416.81
8.0.180.0040.00416.73
8.0.170.0000.00716.73
8.0.160.0040.00416.82
8.0.150.0000.00816.75
8.0.140.0030.00516.76
8.0.130.0050.00313.32
8.0.120.0040.00416.77
8.0.110.0030.00516.71
8.0.100.0000.00716.71
8.0.90.0000.00716.93
8.0.80.0090.01316.77
8.0.70.0040.00416.76
8.0.60.0040.00416.81
8.0.50.0040.00416.68
8.0.30.0120.01117.00
8.0.20.0070.01417.40
8.0.10.0040.00416.82
8.0.00.0160.00816.75
7.4.330.0060.00015.00
7.4.320.0000.00616.34
7.4.300.0030.00616.48
7.4.290.0080.00016.50
7.4.280.0040.00416.63
7.4.270.0040.00416.54
7.4.260.0080.00016.57
7.4.250.0070.00016.38
7.4.240.0000.00716.44
7.4.230.0030.00316.24
7.4.220.0100.00716.48
7.4.210.0040.01116.64
7.4.200.0070.00016.53
7.4.160.0080.00816.63
7.4.150.0110.01117.40
7.4.140.0110.01317.86
7.4.130.0100.00616.46
7.4.120.0070.01016.41
7.4.110.0100.00716.44
7.4.100.0060.01016.35
7.4.90.0170.00316.30
7.4.80.0030.01619.39
7.4.70.0080.00916.33
7.4.60.0080.00816.46
7.4.50.0000.00816.47
7.4.40.0070.01016.49
7.4.30.0000.01616.14
7.4.00.0040.01114.88
7.3.330.0020.00213.16
7.3.320.0000.00613.06
7.3.310.0080.00016.25
7.3.300.0070.00016.16
7.3.290.0090.00616.32
7.3.280.0050.01016.28
7.3.270.0160.00417.40
7.3.260.0070.01016.63
7.3.250.0090.00716.38
7.3.240.0070.01016.43
7.3.230.0070.01016.39
7.3.210.0110.00516.53
7.3.200.0080.00819.39
7.3.190.0080.00816.30
7.3.180.0100.01016.53
7.3.170.0120.00316.39
7.3.160.0110.00616.34
7.3.10.0120.00516.57
7.3.00.0110.00516.57
7.2.330.0100.00816.63
7.2.320.0060.01116.34
7.2.310.0100.00716.84
7.2.300.0100.01016.62
7.2.290.0100.00716.78
7.2.130.0060.00816.95
7.2.120.0070.00716.77
7.2.110.0060.00816.69
7.2.100.0060.00816.81
7.2.90.0050.00917.00
7.2.80.0060.00917.00
7.2.70.0020.01016.83
7.2.60.0060.00816.97
7.2.50.0040.01016.86
7.2.40.0060.00616.85
7.2.30.0040.00716.96
7.2.20.0080.00716.84
7.2.10.0080.00816.94
7.2.00.0030.00917.44
7.1.250.0050.00915.50
7.1.240.0050.00415.80
7.1.230.0060.00615.71
7.1.220.0050.00315.84
7.1.210.0060.00615.82
7.1.200.0070.00715.61
7.1.190.0030.00615.46
7.1.180.0030.00715.69
7.1.170.0070.00415.67
7.1.160.0090.00315.73
7.1.150.0030.01015.83
7.1.140.0100.00315.73
7.1.130.0060.00315.91
7.1.120.0060.00915.75
7.1.110.0030.00715.78
7.1.100.0110.00416.98
7.1.90.0040.00715.77
7.1.80.0040.00815.69
7.1.70.0000.01516.22
7.1.60.0030.01517.47
7.1.50.0090.01116.11
7.1.40.0030.01015.81
7.1.30.0070.00715.48
7.1.20.0040.00815.46
7.1.10.0030.01215.37
7.1.00.0100.03819.15
7.0.330.0110.00615.23
7.0.320.0060.00715.48
7.0.310.0000.01415.45
7.0.300.0000.00715.56
7.0.290.0100.00015.30
7.0.280.0000.01115.30
7.0.270.0060.00915.36
7.0.260.0000.01115.13
7.0.250.0040.00815.46
7.0.240.0060.00615.36
7.0.230.0130.00015.26
7.0.220.0030.00615.44
7.0.210.0030.00915.25
7.0.200.0040.00716.07
7.0.190.0030.00515.37
7.0.180.0040.00715.28
7.0.170.0030.00915.05
7.0.160.0100.00715.25
7.0.150.0030.01015.33
7.0.140.0080.03818.74
7.0.130.0080.00015.51
7.0.120.0030.01315.49
7.0.110.0030.00615.44
7.0.100.0090.00615.25
7.0.90.0070.00715.44
7.0.80.0090.00015.43
7.0.70.0090.00015.34
7.0.60.0030.04217.51
7.0.50.0100.02216.62
7.0.40.0050.02616.77
7.0.30.0200.02316.70
7.0.20.0130.04516.86
7.0.10.0030.02516.86
7.0.00.0110.04316.82
5.6.380.0080.00413.96
5.6.370.0060.00614.29
5.6.360.0030.00614.13
5.6.350.0120.00614.27
5.6.340.0030.00614.14
5.6.330.0040.01214.28
5.6.320.0040.00814.28
5.6.310.0100.00313.91
5.6.300.0030.00913.89
5.6.290.0070.01014.27
5.6.280.0040.04117.52
5.6.270.0030.01014.13
5.6.260.0080.00414.13
5.6.250.0070.00314.11
5.6.240.0000.01414.18
5.6.230.0040.01114.23
5.6.220.0070.01014.43
5.6.210.0080.04017.38
5.6.200.0070.02516.20
5.6.190.0060.03317.39
5.6.180.0100.03017.45
5.6.170.0120.02917.41
5.6.160.0050.02317.28
5.6.150.0080.03116.20
5.6.140.0090.04016.09
5.6.130.0030.02516.27
5.6.120.0070.04417.81
5.6.110.0050.04317.59
5.6.100.0030.02317.78
5.6.90.0030.05217.54
5.6.80.0120.04017.30
5.6.70.0130.00314.24
5.6.60.0070.00714.26
5.6.50.0050.00814.11
5.6.40.0060.00314.18
5.6.30.0100.00314.13
5.6.20.0000.01013.95
5.6.10.0030.01014.37
5.6.00.0070.00314.38
5.5.380.0040.00411.26
5.5.370.0000.01011.19
5.5.360.0080.00310.83
5.5.350.0110.02415.83
5.5.340.0030.04714.66
5.5.330.0080.04115.69
5.5.320.0100.03415.64
5.5.310.0170.04215.75
5.5.300.0030.02714.47
5.5.290.0030.04514.65
5.5.280.0020.05015.90
5.5.270.0090.02515.93
5.5.260.0050.04215.81
5.5.250.0000.04815.83
5.5.240.0050.01715.60
5.5.230.0090.00311.28
5.5.220.0060.00611.04
5.5.210.0100.00310.80
5.5.200.0000.01211.07
5.5.190.0060.00610.98
5.5.180.0000.01011.20
5.5.170.0030.00610.83
5.5.160.0060.00611.07
5.5.150.0000.01310.91
5.5.140.0040.00411.14
5.5.130.0070.00311.13
5.5.120.0100.00310.93
5.5.110.0000.00910.93
5.5.100.0050.00311.00
5.5.90.0100.00611.21
5.5.80.0000.01011.01
5.5.70.0070.00310.82
5.5.60.0040.00711.16
5.5.50.0040.00810.77
5.5.40.0060.00611.18
5.5.30.0000.01211.16
5.5.20.0060.00310.97
5.5.10.0030.00610.89
5.5.00.0090.00011.14
5.4.450.0160.02615.30
5.4.440.0070.03214.99
5.4.430.0140.02715.30
5.4.420.0100.03815.14
5.4.410.0070.02915.05
5.4.400.0250.03014.87
5.4.390.0300.03314.82
5.4.380.0100.02714.75
5.4.370.0050.02414.70
5.4.360.0130.02014.91
5.4.350.0100.03211.50
5.4.340.0030.02211.50
5.4.330.0000.01210.94
5.4.320.0040.02111.81
5.4.310.0070.02511.86
5.4.300.0070.02111.79
5.4.290.0050.02011.67
5.4.280.0080.01811.76
5.4.270.0050.01811.74
5.4.260.0030.02311.64
5.4.250.0020.02411.59
5.4.240.0080.02011.65
5.4.230.0060.02611.58
5.4.220.0040.02311.67
5.4.210.0040.02011.70
5.4.200.0070.01911.71
5.4.190.0060.01911.66
5.4.180.0030.02311.73
5.4.170.0030.02311.56
5.4.160.0020.02411.69
5.4.150.0040.02211.77
5.4.140.0040.02211.47
5.4.130.0040.02111.53
5.4.120.0020.02211.42
5.4.110.0020.02111.47
5.4.100.0040.02211.47
5.4.90.0030.02311.48
5.4.80.0040.02311.58
5.4.70.0060.02011.63
5.4.60.0070.02011.53
5.4.50.0080.02111.53
5.4.40.0070.02011.57
5.4.30.0040.02211.57
5.4.20.0050.02311.60
5.4.10.0060.01611.44
5.4.00.0030.02611.31
5.3.290.0040.02711.59
5.3.280.0050.02211.65
5.3.270.0090.01811.73
5.3.260.0040.02111.55
5.3.250.0010.02611.64
5.3.240.0040.02011.62
5.3.230.0050.02211.51
5.3.220.0020.02411.61
5.3.210.0030.02611.47
5.3.200.0020.02211.61
5.3.190.0080.01911.61
5.3.180.0070.01811.65
5.3.170.0050.01911.64
5.3.160.0020.02111.62
5.3.150.0040.02211.49
5.3.140.0010.02311.67
5.3.130.0050.02311.60
5.3.120.0050.02311.59
5.3.110.0080.02111.54
5.3.100.0060.01911.23
5.3.90.0080.02111.37
5.3.80.0020.02311.18
5.3.70.0070.01911.21
5.3.60.0020.02211.32
5.3.50.0050.02211.20
5.3.40.0070.01911.34
5.3.30.0050.02111.28
5.3.20.0040.02111.18
5.3.10.0060.01811.05
5.3.00.0040.01911.06
5.2.170.0050.0179.59
5.2.160.0030.0169.59
5.2.150.0040.0169.59
5.2.140.0040.0189.59
5.2.130.0070.0149.57
5.2.120.0050.0229.57
5.2.110.0050.0159.57
5.2.100.0050.0139.57
5.2.90.0060.0199.57
5.2.80.0070.0209.57
5.2.70.0070.0199.56
5.2.60.0070.0179.54
5.2.50.0040.0199.53
5.2.40.0020.0209.51
5.2.30.0020.0219.50
5.2.20.0050.0189.49
5.2.10.0020.0209.45
5.2.00.0020.0229.38
5.1.60.0050.0159.02
5.1.50.0050.0149.02
5.1.40.0040.0149.01
5.1.30.0040.0169.18
5.1.20.0050.0149.20
5.1.10.0040.0179.06
5.1.00.0010.0189.06
5.0.50.0030.0148.30
5.0.40.0040.0108.23
5.0.30.0070.0148.13
5.0.20.0020.0128.12
5.0.10.0010.0138.10
5.0.00.0030.0208.10
4.4.90.0020.0137.37
4.4.80.0010.0107.36
4.4.70.0030.0107.36
4.4.60.0030.0107.36
4.4.50.0020.0127.37
4.4.40.0050.0157.33
4.4.30.0010.0117.36
4.4.20.0020.0117.40
4.4.10.0040.0107.40
4.4.00.0020.0187.36
4.3.110.0010.0147.31
4.3.100.0010.0107.31
4.3.90.0050.0077.30
4.3.80.0030.0137.27
4.3.70.0010.0137.29
4.3.60.0040.0097.29
4.3.50.0020.0097.29
4.3.40.0030.0127.25
4.3.30.0010.0126.63
4.3.20.0010.0136.62
4.3.10.0020.0116.59
4.3.00.0060.0118.53

preferences:
98.91 ms | 401 KiB | 5 Q