3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(0); class FooClass {} $foo = new FooClass(); $foo->bar = "qux"; $thing = "bar"; $qux = "th"; $grault = "ing"; function th($waldo){ global $qux, $grault, $thing; return ${$qux . $grault} . $waldo; } echo ${($foo->${${$foo->bar}.((${qux}.${grault}===$qux.${grault})?${grault}:${$qux.$grault})})}(($foo->${${$foo->bar}.((${qux}.${grault}===$qux.${grault})?${grault}:${$qux.$grault})})); // echos 'barqux'

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)
8.3.60.0110.00716.63
8.3.50.0110.00421.97
8.3.40.0090.00618.84
8.3.30.0120.00319.04
8.3.20.0050.00220.39
8.3.10.0080.00020.67
8.3.00.0000.00919.33
8.2.180.0080.00816.63
8.2.170.0110.00422.96
8.2.160.0080.00820.38
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.02
8.2.110.0090.00021.00
8.2.100.0000.01118.22
8.2.90.0040.00419.17
8.2.80.0000.00917.97
8.2.70.0030.00617.75
8.2.60.0000.00817.79
8.2.50.0080.00018.07
8.2.40.0040.00418.22
8.2.30.0000.00719.57
8.2.20.0080.00017.82
8.2.10.0070.00018.15
8.2.00.0000.00717.92
8.1.280.0070.00725.92
8.1.270.0030.00621.98
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0090.00023.92
8.1.230.0040.00717.70
8.1.220.0050.00317.76
8.1.210.0060.00318.77
8.1.200.0100.00017.13
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0000.00818.55
8.1.160.0040.00422.02
8.1.150.0030.00618.94
8.1.140.0080.00017.41
8.1.130.0000.00817.74
8.1.120.0040.00417.46
8.1.110.0000.00817.35
8.1.100.0040.00417.50
8.1.90.0000.00817.53
8.1.80.0000.00817.35
8.1.70.0030.00317.38
8.1.60.0040.00417.48
8.1.50.0000.00717.55
8.1.40.0000.00717.43
8.1.30.0030.00617.51
8.1.20.0030.00617.51
8.1.10.0000.00817.48
8.1.00.0030.00617.41
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00518.46
8.0.270.0030.00617.18
8.0.260.0000.00617.27
8.0.250.0030.00317.02
8.0.240.0000.00717.03
8.0.230.0030.00317.06
8.0.220.0030.00316.88
8.0.210.0050.00316.89
8.0.200.0060.00017.02
8.0.190.0030.00316.89
8.0.180.0000.00717.05
8.0.170.0000.00716.95
8.0.160.0040.00416.96
8.0.150.0050.00216.89
8.0.140.0000.00816.91
8.0.130.0060.00013.38
8.0.120.0030.00617.02
8.0.110.0040.00416.86
8.0.100.0040.00416.76
8.0.90.0000.00717.00
8.0.80.0110.00416.94
8.0.70.0000.00716.97
8.0.60.0050.00316.93
8.0.50.0000.00717.05
8.0.30.0090.00917.13
8.0.20.0100.01417.40
8.0.10.0080.00017.19
8.0.00.0140.00517.01
7.4.330.0000.00515.00
7.4.320.0030.00316.52
7.4.300.0060.00016.44
7.4.290.0070.00016.53
7.4.280.0000.00816.53
7.4.270.0030.00316.48
7.4.260.0000.00716.45
7.4.250.0030.00516.59
7.4.240.0040.00416.55
7.4.230.0070.00016.46
7.4.220.0000.01616.72
7.4.210.0120.00616.56
7.4.200.0070.00016.37
7.4.160.0060.00916.59
7.4.150.0100.01017.40
7.4.140.0130.00517.86
7.4.130.0050.01216.58
7.4.120.0070.01316.53
7.4.110.0070.01016.43
7.4.100.0100.00616.60
7.4.90.0070.01116.59
7.4.80.0150.00319.39
7.4.70.0120.00616.55
7.4.60.0130.00316.37
7.4.50.0050.00016.47
7.4.40.0060.01016.56
7.4.30.0070.01016.53
7.4.00.0120.00714.98
7.3.330.0000.00613.32
7.3.320.0060.00013.21
7.3.310.0000.00716.54
7.3.300.0030.00316.34
7.3.290.0100.00316.48
7.3.280.0110.00516.42
7.3.270.0190.00617.40
7.3.260.0070.01016.60
7.3.250.0090.01016.54
7.3.240.0100.01316.39
7.3.230.0100.00716.61
7.3.210.0100.01516.58
7.3.200.0180.00619.39
7.3.190.0130.00916.46
7.3.180.0000.01716.48
7.3.170.0130.01016.46
7.3.160.0130.00416.70
7.3.120.0020.00914.89
7.3.110.0080.00814.87
7.3.100.0050.01014.80
7.3.90.0080.00814.82
7.3.80.0030.01014.86
7.3.70.0050.00914.76
7.3.60.0050.00814.88
7.3.50.0070.00614.78
7.3.40.0020.01214.85
7.3.30.0020.01114.89
7.3.20.0070.00816.72
7.3.10.0080.00616.83
7.3.00.0060.00616.69
7.2.330.0030.01316.79
7.2.320.0030.01316.75
7.2.310.0060.01216.75
7.2.300.0090.00616.78
7.2.290.0070.01116.73
7.2.250.0000.01615.13
7.2.240.0070.00714.99
7.2.230.0100.00714.68
7.2.220.0030.00914.95
7.2.210.0050.01014.87
7.2.200.0030.00714.77
7.2.190.0100.00514.91
7.2.180.0090.00315.15
7.2.170.0060.01014.98
7.2.160.0040.01415.00
7.2.150.0000.01616.63
7.2.140.0040.01116.56
7.2.130.0040.00816.62
7.2.120.0090.00616.83
7.2.110.0000.01016.71
7.2.100.0070.00716.93
7.2.90.0040.01116.95
7.2.80.0270.00317.06
7.2.70.0030.01016.85
7.2.60.0040.01116.57
7.2.50.0120.00316.78
7.2.40.0080.00416.91
7.2.30.0090.00617.00
7.2.20.0040.01116.90
7.2.10.0070.00716.86
7.2.00.0050.01118.22
7.1.330.0080.00615.81
7.1.320.0060.00715.75
7.1.310.0050.00915.92
7.1.300.0080.00715.53
7.1.290.0070.00915.63
7.1.280.0020.01215.64
7.1.270.0110.00815.70
7.1.260.0130.00215.88
7.1.250.0030.00915.83
7.1.100.0060.00618.21
7.1.70.0040.00417.16
7.1.60.0130.00719.61
7.1.50.0250.00934.48
7.1.00.0100.07022.44
7.0.200.0000.00816.85
7.0.140.0030.07322.02
7.0.60.0100.06020.07
7.0.50.0100.03317.88
7.0.40.0070.06720.14
7.0.30.0500.05320.09
7.0.20.0270.08320.17
7.0.10.0130.03720.07
7.0.00.0000.09020.15
5.6.280.0070.07021.09
5.6.210.0070.07320.48
5.6.200.0000.04318.16
5.6.190.0130.07720.52
5.6.180.0330.04020.64
5.6.170.0300.07720.47
5.6.160.0030.08320.39
5.6.150.0130.07718.21
5.6.140.0000.09318.13
5.6.130.0030.08018.12
5.6.120.0100.05020.76
5.6.110.0070.07021.00
5.6.100.0170.05721.14
5.6.90.0030.04320.98
5.6.80.0070.08320.51
5.5.350.0200.07720.41
5.5.340.0070.08318.04
5.5.330.0100.07020.37
5.5.320.0330.05720.36
5.5.310.0270.08020.31
5.5.300.0070.07717.94
5.5.290.0130.07717.94
5.5.280.0100.08720.88
5.5.270.0100.03720.86
5.5.260.0130.04320.86
5.5.250.0070.06020.69
5.5.240.0130.07720.26
5.4.450.0430.02719.46
5.4.440.0670.04319.41
5.4.430.0870.04719.39
5.4.420.0970.05019.55
5.4.410.0130.05719.30
5.4.400.0930.04719.22
5.4.390.0870.05019.07
5.4.380.0300.06018.61
5.4.370.0470.06718.57
5.4.360.0330.06318.79
5.4.350.0300.06318.79
5.4.340.0200.07018.57
5.4.320.0060.03812.50
5.4.310.0100.03612.50
5.4.300.0090.03512.50
5.4.290.0080.03712.50
5.4.280.0100.03312.40
5.4.270.0120.03312.40
5.4.260.0090.03512.40
5.4.250.0040.04112.40
5.4.240.0040.03912.40
5.4.230.0030.04112.39
5.4.220.0040.04012.39
5.4.210.0050.03512.39
5.4.200.0050.04012.39
5.4.190.0080.03412.39
5.4.180.0070.03512.39
5.4.170.0040.03912.39
5.4.160.0050.03712.39
5.4.150.0060.03612.39
5.4.140.0070.03612.07
5.4.130.0050.03812.05
5.4.120.0060.03612.02
5.4.110.0050.03712.02
5.4.100.0070.03512.01
5.4.90.0070.03712.01
5.4.80.0050.03812.02
5.4.70.0050.03512.00
5.4.60.0060.03612.01
5.4.50.0010.04012.01
5.4.40.0050.03511.99
5.4.30.0050.03511.99
5.4.20.0070.03312.00
5.4.10.0110.04212.00
5.4.00.0050.05111.48
5.3.290.0070.04012.80
5.3.280.0090.03412.71
5.3.270.0030.04112.72
5.3.260.0080.03612.72
5.3.250.0060.03812.72
5.3.240.0090.03412.72
5.3.230.0080.03612.71
5.3.220.0070.03612.68
5.3.210.0040.04112.68
5.3.200.0080.03512.68
5.3.190.0040.04012.68
5.3.180.0070.03612.67
5.3.170.0070.03512.67
5.3.160.0020.04012.67
5.3.150.0100.03412.68
5.3.140.0050.04212.66
5.3.130.0080.03812.66
5.3.120.0070.03812.66
5.3.110.0060.03912.66
5.3.100.0050.03712.11
5.3.90.0060.03712.10
5.3.80.0050.04012.09
5.3.70.0070.03512.09
5.3.60.0040.03912.07
5.3.50.0090.03412.02
5.3.40.0060.03712.02
5.3.30.0060.03511.98
5.3.20.0060.03611.77
5.3.10.0060.03611.73
5.3.00.0090.03311.71
5.2.170.0050.0309.22
5.2.160.0070.0349.22
5.2.150.0050.0339.22
5.2.140.0040.0329.21
5.2.130.0060.0289.18
5.2.120.0060.0289.18
5.2.110.0060.0289.18
5.2.100.0060.0279.18
5.2.90.0050.0299.18
5.2.80.0060.0299.17
5.2.70.0050.0309.18
5.2.60.0070.0289.13
5.2.50.0040.0319.09
5.2.40.0030.0309.07
5.2.30.0040.0309.05
5.2.20.0050.0289.04
5.2.10.0030.0298.94
5.2.00.0060.0298.80
5.1.60.0060.0238.09
5.1.50.0040.0258.09
5.1.40.0030.0268.07
5.1.30.0010.0298.42
5.1.20.0050.0268.44
5.1.10.0070.0338.16
5.1.00.0060.0288.17
5.0.50.0040.0206.65
5.0.40.0070.0176.51
5.0.30.0040.0356.33
5.0.20.0030.0236.30
5.0.10.0010.0236.27
5.0.00.0050.0296.26
4.4.90.0050.0134.78
4.4.80.0030.0154.76
4.4.70.0020.0164.75
4.4.60.0030.0164.75
4.4.50.0020.0174.77
4.4.40.0050.0234.71
4.4.30.0040.0154.76
4.4.20.0040.0144.84
4.4.10.0040.0144.85
4.4.00.0040.0324.75
4.3.110.0060.0154.66
4.3.100.0030.0154.67
4.3.90.0040.0144.64
4.3.80.0010.0264.59
4.3.70.0040.0144.63
4.3.60.0030.0144.63
4.3.50.0040.0154.63
4.3.40.0020.0254.54
4.3.30.0030.0153.32
4.3.20.0010.0183.30
4.3.10.0010.0173.25
4.3.00.0100.01713.57

preferences:
36.58 ms | 401 KiB | 5 Q