3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { function test() { echo 'foo test'; } } class Bar { function test() { echo 'bar test'; } } $foo = new Foo(); $foo = change_class($foo, 'Bar'); $foo->test(); function change_class($object, $new_class) { preg_match('~^O:[0-9]+:"[^"]+":(.+)$~', serialize($object), $matches); return unserialize(sprintf('O:%s:"%s":%s', strlen($new_class), $new_class, $matches[1])); }

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)
8.3.60.0070.01318.39
8.3.50.0120.00721.20
8.3.40.0090.01319.04
8.3.30.0070.01419.11
8.3.20.0030.00620.25
8.3.10.0030.00521.92
8.3.00.0080.00022.44
8.2.180.0140.00716.75
8.2.170.0140.00722.96
8.2.160.0120.00319.29
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0110.00726.16
8.2.120.0030.00519.91
8.2.110.0030.00622.39
8.2.100.0000.01119.39
8.2.90.0000.00819.30
8.2.80.0050.00317.97
8.2.70.0040.00417.75
8.2.60.0040.00417.93
8.2.50.0080.00018.07
8.2.40.0030.00618.22
8.2.30.0050.00318.08
8.2.20.0040.00417.80
8.2.10.0060.00317.92
8.2.00.0000.00917.76
8.1.280.0100.01025.92
8.1.270.0090.00022.03
8.1.260.0050.00326.35
8.1.250.0030.00528.09
8.1.240.0090.00023.84
8.1.230.0120.00019.12
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0080.00417.35
8.1.190.0000.00917.50
8.1.180.0030.00620.20
8.1.170.0060.00318.73
8.1.160.0030.00322.11
8.1.150.0040.00418.77
8.1.140.0030.00517.58
8.1.130.0000.00817.77
8.1.120.0000.00717.57
8.1.110.0080.00017.55
8.1.100.0030.00317.56
8.1.90.0030.00517.47
8.1.80.0000.00817.50
8.1.70.0030.00317.56
8.1.60.0040.00417.73
8.1.50.0080.00017.55
8.1.40.0000.00717.64
8.1.30.0040.00417.76
8.1.20.0050.00317.79
8.1.10.0000.00717.77
8.1.00.0030.00617.63
8.0.300.0000.00718.77
8.0.290.0070.00017.05
8.0.280.0040.00418.47
8.0.270.0030.00517.25
8.0.260.0000.00717.08
8.0.250.0040.00417.00
8.0.240.0060.00316.93
8.0.230.0070.00017.04
8.0.220.0070.00017.03
8.0.210.0000.00717.11
8.0.200.0030.00317.08
8.0.190.0030.00516.97
8.0.180.0000.00716.95
8.0.170.0030.00617.09
8.0.160.0040.00416.91
8.0.150.0040.00417.02
8.0.140.0080.00017.05
8.0.130.0030.00313.40
8.0.120.0000.00717.03
8.0.110.0050.00316.95
8.0.100.0000.00816.86
8.0.90.0050.00217.06
8.0.80.0060.00916.92
8.0.70.0070.00016.91
8.0.60.0040.00416.90
8.0.50.0000.00716.93
8.0.30.0130.00517.13
8.0.20.0090.00917.40
8.0.10.0050.00317.12
8.0.00.0060.01116.81
7.4.330.0020.00215.01
7.4.320.0000.00716.79
7.4.300.0000.00616.80
7.4.290.0000.00716.64
7.4.280.0000.00716.75
7.4.270.0030.00316.80
7.4.260.0040.00416.65
7.4.250.0030.00516.80
7.4.240.0070.00016.74
7.4.230.0030.00316.82
7.4.220.0090.00616.64
7.4.210.0110.00716.83
7.4.200.0030.00316.70
7.4.190.0040.00416.91
7.4.160.0100.00716.78
7.4.150.0110.00617.40
7.4.140.0120.00617.86
7.4.130.0100.01216.79
7.4.120.0080.00916.62
7.4.110.0090.00916.70
7.4.100.0100.01416.50
7.4.90.0090.00916.70
7.4.80.0040.01819.39
7.4.70.0090.00916.70
7.4.60.0070.01016.74
7.4.50.0000.00516.68
7.4.40.0070.01122.77
7.4.30.0000.01916.79
7.4.00.0110.00615.12
7.3.330.0050.00013.35
7.3.320.0030.00313.50
7.3.310.0040.00416.40
7.3.300.0040.00416.45
7.3.290.0000.01316.55
7.3.280.0080.01216.54
7.3.270.0100.00617.40
7.3.260.0060.01116.88
7.3.250.0100.00916.70
7.3.240.0060.01016.55
7.3.230.0170.00616.70
7.3.210.0000.01716.91
7.3.200.0160.00619.39
7.3.190.0090.01416.83
7.3.180.0100.00616.75
7.3.170.0140.00416.76
7.3.160.0100.00716.79
7.3.120.0030.01415.19
7.3.10.0100.00616.82
7.3.00.0130.00316.76
7.2.330.0100.00716.80
7.2.320.0030.01416.87
7.2.310.0100.00716.51
7.2.300.0080.01316.84
7.2.290.0210.00316.70
7.2.130.0050.01017.11
7.2.120.0180.00316.64
7.2.110.0030.01417.17
7.2.100.0110.00717.14
7.2.90.0140.00716.93
7.2.80.0000.01517.13
7.2.70.0100.00617.35
7.2.60.0090.00916.92
7.2.50.0110.00417.10
7.2.40.0140.00417.17
7.2.30.0030.01216.84
7.2.20.0130.00717.06
7.2.10.0150.00317.21
7.2.00.0060.01018.35
7.1.250.0110.00715.87
7.1.240.0150.00315.72
7.1.230.0060.00915.70
7.1.220.0070.01015.96
7.1.210.0090.00615.85
7.1.200.0130.00415.97
7.1.190.0070.01016.00
7.1.180.0070.00716.00
7.1.170.0110.00415.86
7.1.160.0150.00015.90
7.1.150.0030.01015.80
7.1.140.0100.00716.17
7.1.130.0040.01115.85
7.1.120.0070.01015.99
7.1.110.0100.00315.97
7.1.100.0240.00517.07
7.1.90.0130.00315.88
7.1.80.0070.00715.90
7.1.70.0070.00516.79
7.1.60.0080.01017.79
7.1.50.0080.01016.36
7.1.40.0100.00715.90
7.1.30.0100.00315.64
7.1.20.0100.00715.65
7.1.10.0070.01016.19
7.1.00.0050.04219.09
7.0.330.0100.00715.49
7.0.320.0090.00515.39
7.0.310.0090.00615.57
7.0.300.0090.00615.35
7.0.290.0090.00615.61
7.0.280.0100.00615.68
7.0.270.0070.01115.70
7.0.260.0130.00615.39
7.0.250.0100.00715.64
7.0.240.0070.01015.45
7.0.230.0040.01115.80
7.0.220.0030.01315.45
7.0.210.0100.00715.66
7.0.200.0040.00716.15
7.0.190.0080.00415.51
7.0.180.0090.00615.57
7.0.170.0070.01015.61
7.0.160.0110.00415.43
7.0.150.0060.00615.57
7.0.140.0110.03818.78
7.0.130.0100.00715.35
7.0.120.0080.00815.48
7.0.110.0100.00715.35
7.0.100.0060.00915.68
7.0.90.0110.00715.60
7.0.80.0150.00315.34
7.0.70.0060.00615.33
7.0.60.0070.03317.70
7.0.50.0100.03816.79
7.0.40.0080.03816.88
7.0.30.0260.03416.73
7.0.20.0150.04216.88
7.0.10.0240.02616.70
7.0.00.0070.02216.85
5.6.380.0070.00014.49
5.6.370.0120.00614.30
5.6.360.0060.01314.23
5.6.350.0060.00914.32
5.6.340.0030.00614.30
5.6.330.0060.00314.52
5.6.320.0080.00814.46
5.6.310.0030.01514.63
5.6.300.0090.00614.63
5.6.290.0070.00814.41
5.6.280.0080.03817.75
5.6.270.0030.01014.63
5.6.260.0040.00414.33
5.6.250.0030.01014.24
5.6.240.0090.00614.40
5.6.230.0090.00614.30
5.6.220.0110.00414.29
5.6.210.0050.04717.57
5.6.200.0080.03016.26
5.6.190.0040.03117.38
5.6.180.1580.02917.42
5.6.170.0210.03817.46
5.6.160.0040.04617.44
5.6.150.0070.04016.11
5.6.140.0110.04216.40
5.6.130.0080.03816.31
5.6.120.0130.04017.77
5.6.110.0100.04217.62
5.6.100.0080.03317.67
5.6.90.0070.04417.72
5.6.80.0070.04317.55
5.6.70.0170.04217.22
5.6.60.0110.00714.33
5.6.50.0060.01214.01
5.6.40.0060.01314.45
5.6.30.0090.01214.20
5.6.20.0000.01114.25
5.6.10.0000.01314.52
5.6.00.0060.01014.28
5.5.380.0030.00911.32
5.5.370.0070.00011.41
5.5.360.0070.00510.74
5.5.350.0120.03215.66
5.5.340.0090.02514.57
5.5.330.0080.02615.85
5.5.320.0140.03015.67
5.5.310.0130.03015.64
5.5.300.0100.03514.35
5.5.290.0050.02914.54
5.5.280.0030.04815.78
5.5.270.0070.04115.93
5.5.260.0070.04716.01
5.5.250.0000.02515.89
5.5.240.0100.03615.61
5.5.230.0060.00610.96
5.5.220.0130.00310.92
5.5.210.0110.00411.13
5.5.200.0070.00710.70
5.5.190.0080.00611.33
5.5.180.0060.00310.63
5.5.170.0120.00010.55
5.5.160.0030.00610.71
5.5.150.0090.00011.08
5.5.140.0040.00710.61
5.5.130.0090.00410.63
5.5.120.0030.00910.70
5.5.110.0070.00411.14
5.5.100.0070.00410.77
5.5.90.0060.00611.05
5.5.80.0030.00911.00
5.5.70.0050.00510.96
5.5.60.0000.00810.77
5.5.50.0040.00810.77
5.5.40.0030.00710.98
5.5.30.0100.00310.78
5.5.20.0090.00011.27
5.5.10.0030.00310.74
5.5.00.0060.00611.15
5.4.450.0430.03515.46
5.4.440.0470.03015.09
5.4.430.0160.03815.44
5.4.420.0160.03115.44
5.4.410.0160.02315.13
5.4.400.0300.02714.85
5.4.390.0190.03114.87
5.4.380.0180.03014.97
5.4.370.0190.02714.84
5.4.360.0160.02515.03
5.4.350.0080.03214.70
5.4.340.0080.02915.08
5.4.330.0050.00511.02
5.4.320.0050.02311.78
5.4.310.0080.02511.88
5.4.300.0070.02011.84
5.4.290.0040.02712.00
5.4.280.0050.02011.59
5.4.270.0060.02011.81
5.4.260.0060.02914.92
5.4.250.0110.02314.92
5.4.240.0020.03315.03
5.4.230.0060.02814.94
5.4.220.0100.03114.74
5.4.210.0050.03215.10
5.4.200.0020.03414.86
5.4.190.0050.03115.00
5.4.180.0070.02614.98
5.4.170.0030.03414.77
5.4.160.0130.02114.88
5.4.150.0080.02714.76
5.4.140.0050.04113.82
5.4.130.0070.02413.85
5.4.120.0130.02313.91
5.4.110.0050.02913.59
5.4.100.0100.02413.67
5.4.90.0080.02713.85
5.4.80.0100.02013.69
5.4.70.0060.02613.71
5.4.60.0090.02513.78
5.4.50.0030.02813.61
5.4.40.0030.02913.78
5.4.30.0070.02813.82
5.4.20.0100.02713.70
5.4.10.0070.03313.69
5.4.00.0110.02313.34
5.3.290.0040.03111.80
5.3.280.0030.02912.62
5.3.270.0050.03012.44
5.3.260.0130.02512.72
5.3.250.0100.02312.65
5.3.240.0060.02812.59
5.3.230.0080.02612.63
5.3.220.0090.02512.50
5.3.210.0110.02512.54
5.3.200.0140.02612.65
5.3.190.0090.03812.57
5.3.180.0050.02712.67
5.3.170.0060.03512.71
5.3.160.0030.02912.63
5.3.150.0030.03212.78
5.3.140.0070.02512.65
5.3.130.0070.02912.65
5.3.120.0110.02812.59
5.3.110.0080.02512.51
5.3.100.0080.02712.30
5.3.90.0030.02912.32
5.3.80.0110.03412.18
5.3.70.0070.02712.34
5.3.60.0110.02212.27
5.3.50.0030.03012.38
5.3.40.0030.02812.28
5.3.30.0070.02812.29
5.3.20.0070.03112.19
5.3.10.0060.02812.11
5.3.00.0080.02611.98
5.2.170.0030.03210.43
5.2.160.0050.03410.42
5.2.150.0060.02710.30
5.2.140.0050.03410.16
5.2.130.0120.01710.32
5.2.120.0040.02310.40
5.2.110.0050.02310.19
5.2.100.0040.02710.22
5.2.90.0080.02110.37
5.2.80.0020.03510.30
5.2.70.0070.02210.35
5.2.60.0030.02610.25
5.2.50.0080.02310.11
5.2.40.0050.02910.22
5.2.30.0110.02610.26
5.2.20.0030.02410.08
5.2.10.0080.02710.14
5.2.00.0030.02310.01
5.1.60.0090.0159.40
5.1.50.0030.0219.35
5.1.40.0000.0259.39
5.1.30.0030.0239.36
5.1.20.0040.0229.59
5.1.10.0050.0279.17
5.1.00.0050.0199.25
5.0.50.0030.0168.37
5.0.40.0030.0218.26
5.0.30.0050.0188.31
5.0.20.0030.0168.13
5.0.10.0030.0158.21
5.0.00.0020.0238.19
4.4.90.0050.0157.57
4.4.80.0060.0107.57
4.4.70.0000.0167.57
4.4.60.0030.0137.57
4.4.50.0030.0127.57
4.4.40.0010.0217.57
4.4.30.0010.0187.57
4.4.20.0000.0167.57
4.4.10.0000.0137.57
4.4.00.0060.0157.57
4.3.110.0020.0137.57
4.3.100.0030.0127.57
4.3.90.0040.0107.57
4.3.80.0000.0277.57
4.3.70.0020.0147.57
4.3.60.0020.0107.57
4.3.50.0000.0197.57
4.3.40.0030.0157.57
4.3.30.0020.0147.57
4.3.20.0020.0157.57
4.3.10.0020.0137.57
4.3.00.0050.0157.62

preferences:
39.36 ms | 401 KiB | 5 Q