3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { $str = ''; while ($val > 0) { $str .= chr($val & 0xFF); $val = $val >> 8; } return str_replace(array('/', '='), array('_', ''), base64_encode($str)); } function gdr_decode($bin) { $str = base64_decode(str_replace('_', '/', $bin)); $val = 0; for ($i=0; $i<strlen($str); $i++) { $val |= ord($str[$i]) << $i*8; } return $val; } for ($i=0; $i<32; $i++) { $val = 1<<$i; $val += mt_rand(0, $val/2); $enc = gdr_encode($val); $dec = gdr_decode($enc); echo "$val => $enc => $dec\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)
7.2.00.0110.00719.50
7.1.70.0040.00417.28
7.1.60.0070.01819.40
7.1.50.0040.01116.69
7.1.00.0000.08022.26
7.0.200.0000.00716.47
7.0.140.0030.07721.95
7.0.60.0070.04019.90
7.0.50.0100.07717.93
7.0.40.0100.08320.16
7.0.30.0300.07720.15
7.0.20.0270.05020.21
7.0.10.0030.08720.09
7.0.00.0100.08020.16
5.6.280.0030.07320.79
5.6.210.0100.06320.71
5.6.200.0130.04318.19
5.6.190.0130.03720.48
5.6.180.0530.07020.61
5.6.170.0430.05320.48
5.6.160.0130.08320.59
5.6.150.0000.05318.18
5.6.140.0170.06018.18
5.6.130.0200.05718.23
5.6.120.0100.08321.05
5.6.110.0100.08021.00
5.6.100.0130.08320.99
5.6.90.0100.05721.05
5.6.80.0130.07720.41
5.5.350.0230.08020.39
5.5.340.0130.07718.04
5.5.330.0070.07720.40
5.5.320.0400.07320.52
5.5.310.0400.06720.39
5.5.300.0130.07317.98
5.5.290.0170.06318.04
5.5.280.0170.07320.77
5.5.270.0070.03720.67
5.5.260.0100.07720.80
5.5.250.0030.04720.70
5.5.240.0130.07020.26
5.4.450.0500.07019.71
5.4.440.0100.06019.45
5.4.430.0130.05319.43
5.4.420.0130.05319.24
5.4.410.0230.05019.42
5.4.400.0370.06318.50
5.4.390.0530.06018.58
5.4.380.0170.05318.61
5.4.370.0130.04018.75
5.4.360.0130.03718.74
5.4.350.0110.03712.02
5.4.340.0120.03112.02
5.4.320.0050.03712.51
5.4.310.0070.05112.50
5.4.300.0100.06012.51
5.4.290.0090.04212.51
5.4.280.0060.04112.40
5.4.270.0050.03812.40
5.4.260.0050.03812.40
5.4.250.0070.03712.40
5.4.240.0070.03512.40
5.4.230.0070.04012.40
5.4.220.0070.03612.39
5.4.210.0080.03312.39
5.4.200.0080.03912.39
5.4.190.0060.04412.39
5.4.180.0050.03812.39
5.4.170.0100.03212.40
5.4.160.0060.03612.39
5.4.150.0090.04012.39
5.4.140.0030.04012.08
5.4.130.0100.03612.06
5.4.120.0070.03612.02
5.4.110.0050.03712.01
5.4.100.0040.04412.02
5.4.90.0070.05112.02
5.4.80.0070.04712.02
5.4.70.0040.04312.01
5.4.60.0100.03012.01
5.4.50.0060.03512.01
5.4.40.0040.03712.00
5.4.30.0030.03911.99
5.4.20.0040.03812.00
5.4.10.0030.03912.00
5.4.00.0060.03711.49
5.3.290.0040.04812.80
5.3.280.0050.04012.71
5.3.270.0050.04212.72
5.3.260.0140.05312.72
5.3.250.0070.03812.72
5.3.240.0030.04212.72
5.3.230.0040.04012.71
5.3.220.0050.03912.68
5.3.210.0060.04112.68
5.3.200.0070.03812.68
5.3.190.0050.04012.68
5.3.180.0090.03612.67
5.3.170.0060.03912.67
5.3.160.0080.03812.68
5.3.150.0040.03912.67
5.3.140.0090.04512.66
5.3.130.0050.04112.66
5.3.120.0070.04212.66
5.3.110.0050.05812.66
5.3.100.0120.05112.13
5.3.90.0110.03312.11
5.3.80.0050.03712.10
5.3.70.0090.03512.10
5.3.60.0050.03812.09
5.3.50.0030.04012.04
5.3.40.0080.03512.04
5.3.30.0060.03511.99
5.3.20.0030.03911.77
5.3.10.0060.03511.73
5.3.00.0040.04011.73
5.2.170.0080.0299.23
5.2.160.0090.0279.23
5.2.150.0050.0329.23
5.2.140.0060.0319.23
5.2.130.0040.0449.19
5.2.120.0070.0359.18
5.2.110.0020.0339.19
5.2.100.0070.0369.18
5.2.90.0050.0359.19
5.2.80.0040.0449.18
5.2.70.0070.0289.19
5.2.60.0050.0309.14
5.2.50.0070.0289.11
5.2.40.0040.0309.09
5.2.30.0030.0329.06
5.2.20.0030.0329.05
5.2.10.0050.0288.95
5.2.00.0030.0348.82
5.1.60.0060.0228.09
5.1.50.0020.0298.09
5.1.40.0050.0248.07
5.1.30.0050.0318.42
5.1.20.0030.0288.44
5.1.10.0050.0268.17
5.1.00.0040.0268.16
5.0.50.0030.0216.64
5.0.40.0020.0216.51
5.0.30.0070.0376.32
5.0.20.0030.0216.29
5.0.10.0040.0196.27
5.0.00.0040.0306.26
4.4.90.0020.0174.78
4.4.80.0030.0244.75
4.4.70.0020.0234.75
4.4.60.0040.0174.75
4.4.50.0060.0134.77
4.4.40.0020.0264.71
4.4.30.0020.0174.76
4.4.20.0050.0144.84
4.4.10.0040.0154.85
4.4.00.0030.0284.76
4.3.110.0040.0164.67
4.3.100.0020.0164.66
4.3.90.0020.0174.63
4.3.80.0060.0314.59
4.3.70.0010.0174.63
4.3.60.0040.0184.62
4.3.50.0030.0154.63
4.3.40.0030.0254.54
4.3.30.0010.0183.31
4.3.20.0020.0163.29
4.3.10.0040.0143.25
4.3.00.0100.0237.16

preferences:
36.48 ms | 400 KiB | 5 Q