3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { var $bar = 'I am bar.'; var $arr = array('I am A.', 'I am B.', 'I am C.'); var $r = 'I am r.'; } $foo = new foo(); $bar = 'bar'; $baz = array('foo', 'bar', 'baz', 'quux'); echo $foo->$bar . "\n"; echo $foo->$baz[1] . "\n"; $start = 'b'; $end = 'ar'; echo $foo->{$start . $end} . "\n"; $arr = 'arr'; echo $foo->$arr[1] . "\n"; echo $foo->{$arr}[1] . "\n";

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)
8.3.60.0190.00616.75
8.3.50.0130.00821.92
8.3.40.0090.00618.82
8.3.30.0100.00320.29
8.3.20.0040.00420.34
8.3.10.0080.00021.96
8.3.00.0080.00022.39
8.2.180.0070.01118.29
8.2.170.0030.01522.96
8.2.160.0070.00722.21
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0060.00319.25
8.2.110.0000.00922.21
8.2.100.0060.00617.84
8.2.90.0000.00819.37
8.2.80.0080.00019.47
8.2.70.0080.00017.75
8.2.60.0030.00517.93
8.2.50.0030.00618.07
8.2.40.0040.00418.28
8.2.30.0040.00418.18
8.2.20.0030.00517.70
8.2.10.0050.00317.62
8.2.00.0130.00017.68
8.1.280.0070.00725.92
8.1.270.0000.00824.66
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00023.83
8.1.230.0040.00719.22
8.1.220.0080.00017.74
8.1.210.0030.00618.77
8.1.200.0060.00317.23
8.1.190.0040.00417.39
8.1.180.0030.00619.01
8.1.170.0000.00918.46
8.1.160.0000.00820.88
8.1.150.0070.00018.59
8.1.140.0040.00417.50
8.1.130.0080.00017.82
8.1.120.0070.00017.46
8.1.110.0000.00817.45
8.1.100.0070.00017.29
8.1.90.0070.00017.43
8.1.80.0070.00017.45
8.1.70.0040.00417.44
8.1.60.0060.00317.46
8.1.50.0080.00017.49
8.1.40.0040.00417.55
8.1.30.0000.00717.60
8.1.20.0040.00417.58
8.1.10.0000.00717.53
8.1.00.0060.00617.39
8.0.300.0040.00418.77
8.0.290.0070.00017.05
8.0.280.0070.00018.31
8.0.270.0040.00417.29
8.0.260.0000.00616.98
8.0.250.0030.00316.91
8.0.240.0030.00616.95
8.0.230.0040.00416.88
8.0.220.0030.00316.94
8.0.210.0040.00416.88
8.0.200.0000.00716.98
8.0.190.0030.00516.99
8.0.180.0000.00716.98
8.0.170.0070.00016.99
8.0.160.0030.00516.82
8.0.150.0000.00717.01
8.0.140.0070.00016.83
8.0.130.0000.00613.37
8.0.120.0070.00016.84
8.0.110.0080.00016.85
8.0.100.0040.00416.89
8.0.90.0040.00416.75
8.0.80.0120.00916.99
8.0.70.0000.00716.98
8.0.60.0040.00416.92
8.0.50.0070.00016.98
8.0.30.0140.00717.13
8.0.20.0120.01317.40
8.0.10.0000.00717.09
8.0.00.0060.01416.58
7.4.330.0040.00415.00
7.4.320.0000.00716.43
7.4.300.0030.00316.54
7.4.290.0030.00316.44
7.4.280.0030.00316.51
7.4.270.0000.00716.55
7.4.260.0000.00716.52
7.4.250.0000.00816.41
7.4.240.0000.00816.47
7.4.230.0000.00716.35
7.4.220.0120.00616.64
7.4.210.0090.00716.42
7.4.200.0000.00716.34
7.4.190.0040.00416.49
7.4.160.0030.01316.55
7.4.150.0070.01317.40
7.4.140.0090.01117.86
7.4.130.0120.00716.59
7.4.120.0150.00716.45
7.4.110.0070.01016.38
7.4.100.0080.00816.53
7.4.90.0070.01016.70
7.4.80.0120.00619.39
7.4.70.0150.00016.45
7.4.60.0060.01016.42
7.4.50.0080.00016.63
7.4.40.0060.01022.77
7.4.30.0090.00916.66
7.4.00.0070.01115.15
7.3.330.0000.00513.24
7.3.320.0030.00313.40
7.3.310.0030.00316.31
7.3.300.0030.00316.33
7.3.290.0000.01516.41
7.3.280.0090.00716.39
7.3.270.0120.00417.40
7.3.260.0060.01316.69
7.3.250.0090.00916.44
7.3.240.0140.01116.46
7.3.230.0070.01316.59
7.3.210.0100.00716.64
7.3.200.0060.01419.39
7.3.190.0070.01516.61
7.3.180.0140.00316.46
7.3.170.0100.00716.43
7.3.160.0060.01216.37
7.3.120.0060.01114.80
7.3.30.0150.00714.72
7.3.20.0540.00614.87
7.3.10.0520.00614.45
7.3.00.1060.00314.59
7.2.330.0150.00416.69
7.2.320.0150.00316.57
7.2.310.0140.00316.80
7.2.300.0080.01116.72
7.2.290.0060.01016.39
7.2.160.0110.01314.70
7.2.150.0540.01014.80
7.2.140.0550.00914.76
7.2.130.0660.00914.92
7.2.120.1090.00715.02
7.2.110.1220.00615.03
7.2.100.0670.00614.88
7.2.90.1100.00914.75
7.2.80.1190.00615.02
7.2.70.1150.00815.05
7.2.60.0800.00615.46
7.2.50.0960.01014.98
7.2.40.0650.01215.01
7.2.30.1010.00814.81
7.2.20.1140.00614.98
7.2.10.0780.00915.05
7.2.00.0920.00714.97
7.1.270.0730.00613.78
7.1.260.0510.00713.56
7.1.250.1090.00713.75
7.1.240.0480.00313.69
7.1.230.1370.00913.89
7.1.220.0680.00914.03
7.1.210.1170.00613.76
7.1.200.0880.00314.32
7.1.190.0630.01113.83
7.1.180.0720.00613.81
7.1.170.0620.00713.95
7.1.160.1220.00613.78
7.1.150.0930.01313.83
7.1.140.0850.00913.87
7.1.130.0850.01313.79
7.1.120.0840.00513.89
7.1.110.1190.00413.78
7.1.100.1060.00813.91
7.1.90.0700.00813.80
7.1.80.0630.00713.60
7.1.70.0770.00314.86
7.1.60.0910.01015.21
7.1.50.0700.01014.60
7.1.40.1010.00813.68
7.1.30.0880.00213.86
7.1.20.0900.00413.76
7.1.10.0880.00713.86
7.1.00.0740.01715.95
7.0.330.0530.00213.29
7.0.320.0610.00713.45
7.0.310.1140.00713.46
7.0.300.0970.00913.32
7.0.290.0970.00613.44
7.0.280.1410.00513.38
7.0.270.1110.01013.52
7.0.260.0980.00613.36
7.0.250.0770.00813.35
7.0.240.0850.01113.49
7.0.230.1010.00813.38
7.0.220.0940.01013.29
7.0.210.1160.00713.32
7.0.200.1180.00713.88
7.0.190.0890.00813.56
7.0.180.0930.00613.29
7.0.170.0920.00913.55
7.0.160.1030.00913.46
7.0.150.0940.00713.34
7.0.140.0540.02015.58
7.0.130.1100.00913.44
7.0.120.0940.00713.57
7.0.110.1030.00913.37
7.0.100.0610.00913.58
7.0.90.0810.02915.07
7.0.80.1250.02015.13
7.0.70.0770.02215.21
7.0.60.0830.02214.99
7.0.50.0760.02615.14
7.0.40.0710.02515.16
7.0.30.0440.02415.19
7.0.20.0580.02415.21
7.0.10.0300.02615.07
7.0.00.0430.02615.18
5.6.400.0090.00914.32
5.6.390.0080.01114.31
5.6.380.0100.01114.27
5.6.370.0070.01014.03
5.6.360.0100.00714.11
5.6.350.0120.00414.44
5.6.340.0120.00814.19
5.6.330.0180.00114.33
5.6.320.0100.00714.08
5.6.310.0100.01214.14
5.6.300.0110.01014.08
5.6.290.0080.01414.18
5.6.280.0130.02315.93
5.6.270.0090.01214.29
5.6.260.0120.01114.20
5.6.250.0080.01014.15
5.6.240.0100.00714.09
5.6.230.0140.02715.81
5.6.220.0120.02815.79
5.6.210.0080.02815.78
5.6.200.0100.01716.00
5.6.190.0060.02716.09
5.6.180.0140.01415.83
5.6.170.0110.02916.04
5.6.160.0120.03015.79
5.6.150.0160.02515.92
5.6.140.0140.01716.00
5.6.130.0080.02715.88
5.6.120.0100.02515.77
5.6.110.0150.02216.04
5.6.100.0130.02515.85
5.6.90.0120.02515.84
5.6.80.0160.01815.70
5.6.70.0110.02315.69
5.6.60.0120.02015.71
5.6.50.0060.02715.61
5.6.40.0110.01715.80
5.6.30.0110.02415.74
5.6.20.0160.02515.76
5.6.10.0180.01615.82
5.6.00.0130.02015.77
5.5.380.0130.00914.14
5.5.370.0100.02615.74
5.5.360.0150.02615.78
5.5.350.0100.01615.74
5.5.340.0070.02115.95
5.5.330.0110.02215.82
5.5.320.0070.02415.73
5.5.310.0100.02315.90
5.5.300.0060.02715.67
5.5.290.0160.02115.91
5.5.280.0090.02015.84
5.5.270.0090.02915.73
5.5.260.0080.02815.70
5.5.250.0110.02715.79
5.5.240.0120.02715.69
5.5.230.0090.01815.50
5.5.220.0090.03215.39
5.5.210.0100.02215.65
5.5.200.0090.03015.67
5.5.190.0100.02315.56
5.5.180.0150.02515.58
5.5.170.0060.01014.12
5.5.160.0120.02615.58
5.5.150.0070.01815.61
5.5.140.0070.02415.46
5.5.130.0090.01815.64
5.5.120.0130.01715.59
5.5.110.0090.01615.69
5.5.100.0170.01115.70
5.5.90.0150.01315.59
5.5.80.0070.01615.59
5.5.70.0130.01715.51
5.5.60.0110.01415.61
5.5.50.0130.01315.58
5.5.40.0060.01715.54
5.5.30.0130.01515.48
5.5.20.0070.01715.52
5.5.10.0090.01815.63
5.5.00.0090.02315.61
5.4.450.0070.02113.72
5.4.440.0070.01813.73
5.4.430.0060.02213.71
5.4.420.0140.02113.72
5.4.410.0110.02313.73
5.4.400.0090.02113.68
5.4.390.0060.01513.63
5.4.380.0050.02013.63
5.4.370.0040.02913.63
5.4.360.0070.02313.59
5.4.350.0070.01913.66
5.4.340.0070.02613.67
5.4.330.0110.00711.83
5.4.320.0090.01913.67
5.4.310.0070.01713.67
5.4.300.0080.02213.63
5.4.290.0060.02313.60
5.4.280.0080.02513.63
5.4.270.0090.02213.67
5.4.260.0090.01913.59
5.4.250.0100.01313.63
5.4.240.0070.01413.63
5.4.230.0090.01013.65
5.4.220.0080.01313.63
5.4.210.0070.01313.66
5.4.200.0070.01113.58
5.4.190.0060.01713.66
5.4.180.0080.01313.66
5.4.170.0070.01313.63
5.4.160.0070.02313.67
5.4.150.0090.01213.63
5.4.140.0090.01412.98
5.4.130.0060.01212.95
5.4.120.0060.02112.97
5.4.110.0060.01612.98
5.4.100.0080.01012.94
5.4.90.0110.01712.96
5.4.80.0060.01312.97
5.4.70.0070.01112.99
5.4.60.0060.01512.98
5.4.50.0060.01112.99
5.4.40.0040.01512.96
5.4.30.0070.01212.93
5.4.20.0060.02212.97
5.4.10.0030.01412.93
5.4.00.0070.01612.84
5.3.290.0070.01912.55
5.3.280.0080.01312.54
5.3.270.0100.01012.54
5.3.260.0050.01412.50
5.3.250.0080.02312.55
5.3.240.0110.01012.52
5.3.230.0080.02312.52
5.3.220.0080.01112.52
5.3.210.0050.02012.53
5.3.200.0050.01812.53
5.3.190.0050.01512.53
5.3.180.0070.01312.54
5.3.170.0050.01212.50
5.3.160.0070.02012.53
5.3.150.0060.01412.52
5.3.140.0050.01412.54
5.3.130.0070.01812.50
5.3.120.0040.01412.49
5.3.110.0050.01212.54
5.3.100.0030.01212.36
5.3.90.0050.01412.39
5.3.80.0050.01512.40
5.3.70.0090.01112.35
5.3.60.0050.01412.40
5.3.50.0060.01112.34
5.3.40.0070.01612.37
5.3.30.0070.01212.32
5.3.20.0040.01312.30
5.3.10.0080.01712.31
5.3.00.0060.01412.30
5.2.170.0030.02412.72
5.2.160.0020.02212.72
5.2.150.0060.02212.72
5.2.140.0020.02112.72
5.2.130.0040.01412.72
5.2.120.0030.02012.72
5.2.110.0060.01512.72
5.2.100.0060.01812.72
5.2.90.0050.01512.72
5.2.80.0000.01912.72
5.2.70.0020.01512.72
5.2.60.0030.01812.72
5.2.50.0040.01912.72
5.2.40.0070.01912.72
5.2.30.0060.01612.72
5.2.20.0050.02212.72
5.2.10.0050.02812.72
5.2.00.0050.02412.72
5.1.60.0050.02912.72
5.1.50.0070.02812.72
5.1.40.0070.01712.72
5.1.30.0100.02012.72
5.1.20.0120.02212.72
5.1.10.0090.02612.72
5.1.00.0060.02612.72
5.0.50.0080.02212.72
5.0.40.0070.02512.72
5.0.30.0030.03212.72
5.0.20.0060.01912.72
5.0.10.0070.01712.72
5.0.00.0070.03012.72
4.4.90.0030.01112.72
4.4.80.0030.00812.72
4.4.70.0010.01812.72
4.4.60.0020.02312.72
4.4.50.0060.01712.72
4.4.40.0030.03212.72
4.4.30.0030.01812.72
4.4.20.0060.01912.72
4.4.10.0030.02112.72
4.4.00.0040.02412.72
4.3.110.0040.01712.72
4.3.100.0040.01512.72
4.3.90.0070.00812.72
4.3.80.0030.03012.72
4.3.70.0090.01612.72
4.3.60.0020.02012.72
4.3.50.0030.01712.72
4.3.40.0080.02412.72
4.3.30.0030.01812.72
4.3.20.0020.02212.72
4.3.10.0050.01812.72
4.3.00.0020.01612.72

preferences:
40.23 ms | 401 KiB | 5 Q