3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "start",PHP_EOL; $i=0; $b=1; $z=2; echo "before loop",PHP_EOL; while (true) { $i++; $b*=2; $z**=$z; echo "inside loop",PHP_EOL; if ($z>1e300) goto w0; } echo "after loop, something went wrong... debugging :)",PHP_EOL; var_dump($i, $b, $z); w0: echo "after loop",PHP_EOL; echo "after default",PHP_EOL;

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)
8.3.60.0090.00616.88
8.3.50.0100.00822.95
8.3.40.0120.00319.04
8.3.30.0120.00919.22
8.3.20.0130.00620.58
8.3.10.0060.00320.91
8.3.00.0000.00819.63
8.2.180.0120.00916.75
8.2.170.0100.00722.96
8.2.160.0090.00620.64
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0090.00921.06
8.2.110.0030.00620.72
8.2.100.0110.00018.59
8.2.90.0060.00319.60
8.2.80.0030.00618.00
8.2.70.0040.00417.87
8.2.60.0000.00818.30
8.2.50.0060.00318.07
8.2.40.0080.00018.57
8.2.30.0040.00419.75
8.2.20.0030.00518.04
8.2.10.0070.00018.31
8.2.00.0040.00417.85
8.1.280.0070.00725.92
8.1.270.0060.00324.07
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00324.07
8.1.230.0060.00619.38
8.1.220.0000.00817.78
8.1.210.0030.00518.77
8.1.200.0000.01017.47
8.1.190.0050.00317.35
8.1.180.0040.00418.10
8.1.170.0040.00418.81
8.1.160.0070.00022.14
8.1.150.0000.00719.08
8.1.140.0020.00517.56
8.1.130.0030.00318.09
8.1.120.0030.00317.61
8.1.110.0020.00517.71
8.1.100.0040.00417.48
8.1.90.0030.00317.66
8.1.80.0000.00717.58
8.1.70.0030.00317.50
8.1.60.0050.00317.62
8.1.50.0000.00817.76
8.1.40.0000.00717.77
8.1.30.0040.00417.77
8.1.20.0030.00717.85
8.1.10.0030.00517.81
8.1.00.0000.00817.73
8.0.300.0000.00718.77
8.0.290.0000.00717.13
8.0.280.0000.00718.67
8.0.270.0030.00317.54
8.0.260.0070.00017.53
8.0.250.0020.00517.20
8.0.240.0000.00717.11
8.0.230.0000.00717.28
8.0.220.0030.00717.16
8.0.210.0030.00317.17
8.0.200.0030.00317.18
8.0.190.0030.00317.27
8.0.180.0030.00517.09
8.0.170.0030.00517.08
8.0.160.0050.00317.10
8.0.150.0040.00417.11
8.0.140.0080.00017.10
8.0.130.0000.00513.57
8.0.120.0030.00617.13
8.0.110.0040.00417.11
8.0.100.0000.00717.18
8.0.90.0000.00717.14
8.0.80.0100.00717.04
8.0.70.0000.00716.98
8.0.60.0040.00417.16
8.0.50.0070.00017.04
8.0.30.0130.00517.36
8.0.20.0080.01117.40
8.0.10.0000.00817.37
8.0.00.0110.01116.90
7.4.330.0050.00015.25
7.4.320.0030.00316.68
7.4.300.0000.00716.76
7.4.290.0000.00716.75
7.4.280.0050.00316.63
7.4.270.0000.00716.70
7.4.260.0000.00716.76
7.4.250.0070.00016.73
7.4.240.0030.00316.83
7.4.230.0030.00316.89
7.4.220.0090.01116.80
7.4.210.0070.01316.70
7.4.200.0030.00316.58
7.4.160.0040.01316.43
7.4.150.0160.00317.40
7.4.140.0120.00617.86
7.4.130.0090.01216.57
7.4.120.0080.01116.83
7.4.110.0120.00616.57
7.4.100.0030.01916.73
7.4.90.0030.01416.71
7.4.80.0080.01219.39
7.4.70.0000.01716.68
7.4.60.0140.00416.49
7.4.50.0000.00516.71
7.4.40.0110.00916.73
7.4.30.0140.01116.65
7.4.00.0070.01114.93
7.3.330.0000.00613.42
7.3.320.0000.00613.32
7.3.310.0000.00716.75
7.3.300.0030.00316.67
7.3.290.0140.00716.62
7.3.280.0100.00716.59
7.3.270.0140.00417.40
7.3.260.0070.01716.75
7.3.250.0080.01216.74
7.3.240.0100.01016.54
7.3.230.0080.00816.73
7.3.210.0090.01216.50
7.3.200.0050.01519.39
7.3.190.0030.01516.87
7.3.180.0170.00016.57
7.3.170.0040.01316.72
7.3.160.0090.00616.51
7.2.330.0090.00916.97
7.2.320.0130.00316.89
7.2.310.0160.00016.88
7.2.300.0080.00816.66
7.2.290.0080.00916.72
7.2.00.0030.00619.25
7.1.100.0000.01118.44
7.1.70.0000.00817.16
7.1.60.0070.01419.46
7.1.50.0040.01117.14
7.1.00.0030.07722.68
7.0.200.0030.00317.05
7.0.140.0030.07322.40
7.0.60.0030.05020.19
7.0.50.0070.03717.95
7.0.40.0030.09320.38
7.0.30.0270.07320.32
7.0.20.0370.07320.31
7.0.10.0070.04020.20
7.0.00.0030.04320.36
5.6.280.0000.07721.31
5.6.210.0070.03720.84
5.6.200.0030.04718.30
5.6.190.0030.05020.52
5.6.180.0330.07020.76
5.6.170.0170.07020.66
5.6.160.0200.06720.65
5.6.150.0070.06718.37
5.6.140.0030.04018.42
5.6.130.0100.08018.47
5.6.120.0030.07321.33
5.6.110.0030.04321.25
5.6.100.0070.06321.28
5.6.90.0030.04021.26
5.6.80.0000.04320.73
5.6.70.4430.04020.63
5.5.350.0170.07320.36
5.5.340.0030.04317.96
5.5.330.0100.06320.41
5.5.320.0330.07320.28
5.5.310.0330.07720.27
5.5.300.0030.04317.99
5.5.290.0100.07318.08
5.5.280.0100.07720.87
5.5.270.0070.04020.95
5.5.260.0130.05020.75
5.5.250.0100.08020.71
5.5.240.0200.06720.23
5.4.450.0230.04719.16
5.4.440.0530.05019.41
5.4.430.0270.04319.32
5.4.420.0500.04319.41
5.4.410.0200.03319.44
5.4.400.0400.03318.87
5.4.390.0170.02719.07
5.4.380.0270.06018.48
5.4.370.0230.06318.51
5.4.360.0270.06018.85
5.4.350.0330.05718.71
5.4.340.0300.05718.49
5.4.320.0060.03712.50
5.4.310.0090.03612.49
5.4.300.0050.04112.50
5.4.290.0050.04212.50
5.4.280.0060.03512.39
5.4.270.0030.03912.39
5.4.260.0070.03712.39
5.4.250.0090.03412.39
5.4.240.0090.03812.39
5.4.230.0080.03512.38
5.4.220.0070.03512.38
5.4.210.0060.03512.38
5.4.200.0060.04012.38
5.4.190.0070.03512.38
5.4.180.0080.03412.38
5.4.170.0040.03812.39
5.4.160.0040.03912.38
5.4.150.0070.03512.38
5.4.140.0060.03712.07
5.4.130.0060.03712.05
5.4.120.0050.03612.02
5.4.110.0050.03712.01
5.4.100.0090.04012.01
5.4.90.0060.03712.01
5.4.80.0060.03612.01
5.4.70.0080.03312.01
5.4.60.0080.03412.01
5.4.50.0050.03512.01
5.4.40.0060.03412.00
5.4.30.0030.03711.99
5.4.20.0050.03611.99
5.4.10.0070.03311.99
5.4.00.0060.03511.49
5.3.290.0040.04112.80
5.3.280.0060.03812.71
5.3.270.0080.03712.72
5.3.260.0090.03612.72
5.3.250.0090.03412.72
5.3.240.0090.03412.72
5.3.230.0060.03712.71
5.3.220.0070.04012.68
5.3.210.0070.03912.68
5.3.200.0050.03812.68
5.3.190.0070.03712.68
5.3.180.0040.03812.67
5.3.170.0090.03412.67
5.3.160.0080.03612.68
5.3.150.0090.03412.67
5.3.140.0090.03512.66
5.3.130.0040.04112.66
5.3.120.0070.03812.66
5.3.110.0060.04012.66
5.3.100.0080.03612.12
5.3.90.0060.03712.08
5.3.80.0100.04612.08
5.3.70.0110.04512.07
5.3.60.0060.03612.06
5.3.50.0060.03612.00
5.3.40.0050.03712.00
5.3.30.0070.03411.95
5.3.20.0040.03611.73
5.3.10.0050.03511.70
5.3.00.0040.03811.69
5.2.170.0050.0309.19
5.2.160.0030.0309.18
5.2.150.0040.0309.19
5.2.140.0050.0309.18
5.2.130.0070.0279.14
5.2.120.0030.0409.14
5.2.110.0080.0299.14
5.2.100.0050.0319.14
5.2.90.0070.0319.14
5.2.80.0050.0329.14
5.2.70.0020.0339.14
5.2.60.0050.0319.09
5.2.50.0050.0329.06
5.2.40.0060.0279.04
5.2.30.0040.0309.02
5.2.20.0050.0289.00
5.2.10.0050.0288.92
5.2.00.0060.0318.78
5.1.60.0040.0248.07
5.1.50.0070.0338.07
5.1.40.0040.0278.05
5.1.30.0030.0278.40
5.1.20.0080.0228.42
5.1.10.0030.0278.14
5.1.00.0040.0268.14
5.0.50.0030.0216.63
5.0.40.0040.0186.48
5.0.30.0040.0316.30
5.0.20.0060.0176.26
5.0.10.0050.0186.24
5.0.00.0030.0316.24
4.4.90.0040.0144.78
4.4.80.0030.0184.76
4.4.70.0070.0134.75
4.4.60.0070.0114.76
4.4.50.0020.0174.77
4.4.40.0020.0264.71
4.4.30.0010.0184.76
4.4.20.0030.0154.84
4.4.10.0050.0144.85
4.4.00.0030.0254.76
4.3.110.0010.0184.67
4.3.100.0020.0164.67
4.3.90.0070.0134.63
4.3.80.0020.0254.58
4.3.70.0050.0134.63
4.3.60.0030.0154.63
4.3.50.0030.0164.63
4.3.40.0030.0244.54
4.3.30.0030.0153.29
4.3.20.0010.0173.26
4.3.10.0020.0163.22
4.3.00.0000.01714.49

preferences:
53.86 ms | 401 KiB | 5 Q