3v4l.org

run code in 300+ PHP versions simultaneously
<?php 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)
8.3.40.0120.00318.82
8.3.30.0150.00419.27
8.3.20.0000.00820.16
8.3.10.0080.00020.65
8.3.00.0050.00319.63
8.2.170.0110.00322.96
8.2.160.0130.00320.44
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0070.00019.83
8.2.110.0000.01021.05
8.2.100.0070.00418.22
8.2.90.0040.00419.40
8.2.80.0030.00517.97
8.2.70.0090.00017.48
8.2.60.0080.00019.77
8.2.50.0060.00318.07
8.2.40.0080.00018.22
8.2.30.0030.00319.51
8.2.20.0000.00717.63
8.2.10.0050.00318.13
8.2.00.0040.00417.86
8.1.270.0050.00322.14
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0060.00323.74
8.1.230.0070.00417.70
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0030.00717.48
8.1.190.0040.00717.35
8.1.180.0030.00518.10
8.1.170.0080.00018.70
8.1.160.0070.00022.02
8.1.150.0040.00418.99
8.1.140.0000.00817.33
8.1.130.0000.00717.71
8.1.120.0050.00217.46
8.1.110.0000.00717.29
8.1.100.0050.00217.42
8.1.90.0000.00717.38
8.1.80.0000.00817.36
8.1.70.0040.00417.35
8.1.60.0000.00817.60
8.1.50.0050.00317.53
8.1.40.0040.00417.57
8.1.30.0050.00317.60
8.1.20.0040.00417.55
8.1.10.0050.00217.54
8.1.00.0000.00817.49
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0030.00318.37
8.0.270.0000.00917.34
8.0.260.0030.00317.33
8.0.250.0070.00017.07
8.0.240.0000.00816.98
8.0.230.0030.00317.04
8.0.220.0030.00316.96
8.0.210.0030.00316.97
8.0.200.0000.00617.01
8.0.190.0000.00816.98
8.0.180.0040.00416.87
8.0.170.0050.00316.96
8.0.160.0040.00416.90
8.0.150.0040.00416.91
8.0.140.0000.00716.95
8.0.130.0050.00013.36
8.0.120.0000.00816.96
8.0.110.0000.00716.84
8.0.100.0000.00716.79
8.0.90.0030.00417.03
8.0.80.0070.01017.02
8.0.70.0040.00416.94
8.0.60.0040.00417.05
8.0.50.0080.00016.95
8.0.30.0120.00717.12
8.0.20.0100.00917.40
8.0.10.0040.00417.14
8.0.00.0080.01016.90
7.4.330.0000.00515.07
7.4.320.0040.00416.60
7.4.300.0000.00716.64
7.4.290.0000.00716.52
7.4.280.0060.00316.62
7.4.270.0030.00316.63
7.4.260.0000.00716.62
7.4.250.0000.00716.50
7.4.240.0000.00716.58
7.4.230.0050.00216.57
7.4.220.0030.01316.51
7.4.210.0040.01116.54
7.4.200.0050.00216.66
7.4.160.0030.01316.64
7.4.150.0190.00617.40
7.4.140.0100.00817.86
7.4.130.0090.00916.57
7.4.120.0080.01016.61
7.4.110.0080.00916.63
7.4.100.0100.00716.54
7.4.90.0080.00816.66
7.4.80.0040.01219.39
7.4.70.0110.00616.47
7.4.60.0070.01016.69
7.4.50.0000.00716.66
7.4.40.0070.01116.55
7.4.30.0100.00516.59
7.4.00.0070.00714.92
7.3.330.0050.00013.31
7.3.320.0040.00213.37
7.3.310.0030.00316.46
7.3.300.0000.00716.49
7.3.290.0070.00716.44
7.3.280.0070.00816.49
7.3.270.0180.00317.40
7.3.260.0100.00816.69
7.3.250.0060.01616.51
7.3.240.0090.00916.44
7.3.230.0120.01316.41
7.3.210.0090.00916.49
7.3.200.0110.00719.39
7.3.190.0030.01416.45
7.3.180.0040.01316.63
7.3.170.0040.01916.37
7.3.160.0080.00816.46
7.2.330.0070.01016.84
7.2.320.0090.00916.49
7.2.310.0090.00916.67
7.2.300.0040.01216.80
7.2.290.0200.01716.50
7.2.60.0240.00317.00
7.2.00.0040.01219.60
7.1.200.0100.00315.79
7.1.100.0040.00718.27
7.1.70.0070.00317.15
7.1.60.0090.00319.61
7.1.50.0200.01634.80
7.1.00.0030.07722.36
7.0.200.0000.00816.96
7.0.140.0030.07322.18
7.0.60.0000.09019.99
7.0.50.0070.08317.89
7.0.40.0070.05720.30
7.0.30.0370.07020.30
7.0.20.0330.07320.07
7.0.10.0030.04720.02
7.0.00.0100.07320.23
5.6.280.0030.07321.16
5.6.210.0100.07720.63
5.6.200.0070.07718.28
5.6.190.0100.08320.61
5.6.180.0470.05720.50
5.6.170.0130.05020.47
5.6.160.0070.03720.46
5.6.150.0100.07318.18
5.6.140.0070.05318.24
5.6.130.0030.07718.26
5.6.120.0070.08720.94
5.6.110.0100.09021.02
5.6.100.0100.06020.98
5.6.90.0030.04021.00
5.6.80.0070.08020.38
5.5.350.0130.08720.43
5.5.340.0100.05317.99
5.5.330.0100.07320.14
5.5.320.0400.06020.52
5.5.310.0170.05720.27
5.5.300.0100.08318.03
5.5.290.0170.07317.96
5.5.280.0200.07720.77
5.5.270.0100.05020.75
5.5.260.0070.06020.86
5.5.250.0100.07020.61
5.5.240.0070.08020.12
5.4.450.0330.04019.46
5.4.440.0370.04019.49
5.4.430.0630.06019.44
5.4.420.0570.05319.57
5.4.410.0770.06019.28
5.4.400.0700.05319.25
5.4.390.0030.06019.22
5.4.380.0330.05718.57
5.4.370.0370.05718.46
5.4.360.0400.06018.73
5.4.350.0330.04718.48
5.4.340.0300.04718.57
5.4.320.0120.03112.50
5.4.310.0090.03912.50
5.4.300.0100.04212.50
5.4.290.0080.04212.50
5.4.280.0110.03312.40
5.4.270.0060.03712.39
5.4.260.0040.04612.39
5.4.250.0050.03812.40
5.4.240.0090.03312.40
5.4.230.0110.04112.39
5.4.220.0070.03912.39
5.4.210.0070.03412.39
5.4.200.0060.04512.39
5.4.190.0060.03612.38
5.4.180.0070.03512.39
5.4.170.0100.03612.39
5.4.160.0070.04112.39
5.4.150.0080.04512.39
5.4.140.0070.04012.07
5.4.130.0070.03712.06
5.4.120.0080.03512.02
5.4.110.0060.04112.01
5.4.100.0040.03712.01
5.4.90.0060.03812.01
5.4.80.0090.04012.01
5.4.70.0060.03512.00
5.4.60.0080.03312.01
5.4.50.0060.03412.00
5.4.40.0020.03812.00
5.4.30.0040.03611.99
5.4.20.0080.03312.00
5.4.10.0050.03512.00
5.4.00.0040.03711.48
5.3.290.0050.04512.80
5.3.280.0080.03712.71
5.3.270.0080.04112.72
5.3.260.0070.03812.71
5.3.250.0090.03412.72
5.3.240.0070.03612.72
5.3.230.0070.03712.71
5.3.220.0060.03812.68
5.3.210.0080.03712.68
5.3.200.0090.04512.68
5.3.190.0080.03512.68
5.3.180.0060.03612.67
5.3.170.0070.03712.67
5.3.160.0070.03612.68
5.3.150.0070.03612.67
5.3.140.0060.03612.66
5.3.130.0050.03912.66
5.3.120.0080.04212.66
5.3.110.0060.03912.66
5.3.100.0070.03512.12
5.3.90.0050.03712.10
5.3.80.0090.03412.09
5.3.70.0070.03712.09
5.3.60.0080.03512.09
5.3.50.0080.03512.02
5.3.40.0040.03912.02
5.3.30.0070.03411.98
5.3.20.0060.03511.77
5.3.10.0050.03511.73
5.3.00.0070.03511.72
5.2.170.0070.0299.22
5.2.160.0050.0399.21
5.2.150.0050.0309.21
5.2.140.0020.0349.21
5.2.130.0040.0319.18
5.2.120.0140.0259.17
5.2.110.0040.0319.19
5.2.100.0070.0339.18
5.2.90.0080.0289.18
5.2.80.0090.0399.18
5.2.70.0040.0359.18
5.2.60.0040.0379.13
5.2.50.0090.0259.09
5.2.40.0070.0299.07
5.2.30.0070.0279.05
5.2.20.0010.0329.04
5.2.10.0080.0258.94
5.2.00.0070.0278.81
5.1.60.0040.0248.09
5.1.50.0080.0218.09
5.1.40.0030.0258.07
5.1.30.0050.0328.42
5.1.20.0050.0268.44
5.1.10.0060.0248.16
5.1.00.0080.0238.16
5.0.50.0010.0256.65
5.0.40.0050.0196.51
5.0.30.0030.0336.33
5.0.20.0020.0216.30
5.0.10.0030.0206.27
5.0.00.0050.0296.26
4.4.90.0020.0174.78
4.4.80.0030.0164.75
4.4.70.0050.0144.75
4.4.60.0050.0144.75
4.4.50.0060.0264.77
4.4.40.0050.0284.71
4.4.30.0040.0144.76
4.4.20.0020.0164.84
4.4.10.0040.0164.85
4.4.00.0030.0244.76
4.3.110.0020.0164.67
4.3.100.0040.0144.66
4.3.90.0020.0164.63
4.3.80.0020.0264.58
4.3.70.0030.0144.63
4.3.60.0040.0134.63
4.3.50.0040.0164.63
4.3.40.0020.0244.54
4.3.30.0000.0173.32
4.3.20.0030.0153.29
4.3.10.0030.0153.25
4.3.00.0000.01713.57

preferences:
38.65 ms | 400 KiB | 5 Q