3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { $bin = ''; while ($val > 0) { $bin .= chr($val & 0xFF); $val >>= 8; } return str_replace(array('/', '='), array('_', ''), base64_encode($bin)); } function gdr_decode($str) { $bin = base64_decode(str_replace('_', '/', $str)); $val = 0; for ($i=strlen($bin)-1; $i>=0; $i--) { $val |= ord($bin[$i]) << $i*8; } return $val; } mt_srand(42); // seed rng for semi-consistent values for ($i=0; $i<32; $i++) { $val = 1<<$i; $val += mt_rand(0, $val/2); $enc = gdr_encode($val); $dec = gdr_decode($enc); if ($val === $dec) { echo "$enc $val\n"; } else { echo "$enc $valĀ ERROR: gdr_decode($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)
7.4.00.0110.00714.97
7.3.120.0060.01215.18
7.3.110.0000.01114.91
7.3.100.0060.00614.83
7.3.90.0000.00914.91
7.3.80.0100.00314.68
7.3.70.0000.01414.64
7.3.60.0030.01215.03
7.3.50.0050.00514.64
7.3.40.0090.00614.61
7.3.30.0030.01014.97
7.3.20.0100.00316.72
7.3.10.0060.00616.73
7.3.00.0000.01516.91
7.2.250.0060.01315.08
7.2.240.0030.01615.31
7.2.230.0110.00415.29
7.2.220.0030.01215.32
7.2.210.0030.00914.74
7.2.200.0030.00614.91
7.2.190.0030.00714.99
7.2.180.0060.00314.86
7.2.170.0000.01315.20
7.1.330.0060.00615.79
7.1.320.0040.00715.96
7.1.310.0040.00815.90
7.1.300.0000.01315.88
7.1.290.0000.01016.01
7.1.280.0040.00415.79
7.1.270.0000.01515.79
7.1.260.0040.01115.75
7.1.70.0000.00817.34
7.1.60.0140.01119.40
7.1.50.0040.01817.01
7.1.00.0070.07322.50
7.0.200.0030.00616.56
7.0.140.0030.07322.00
7.0.60.0030.04019.97
7.0.50.0070.03717.84
7.0.40.0100.08320.21
7.0.30.0300.03020.21
7.0.20.0170.04720.22
7.0.10.0000.05020.25
7.0.00.0130.07720.19
5.6.280.0000.07321.08
5.6.210.0130.08320.57
5.6.200.0070.05718.29
5.6.190.0070.06720.64
5.6.180.0330.07320.63
5.6.170.0270.04720.49
5.6.160.0130.06320.54
5.6.150.0070.04718.27
5.6.140.0070.05018.28
5.6.130.0030.04018.19
5.6.120.0170.06321.00
5.6.110.0030.09021.02
5.6.100.0100.07321.12
5.6.90.0130.03720.99
5.6.80.0230.07020.43
5.5.350.0230.08320.29
5.5.340.0000.09017.93
5.5.330.0070.08720.44
5.5.320.0270.07020.27
5.5.310.0330.07720.39
5.5.300.0170.07017.98
5.5.290.0030.08717.98
5.5.280.0100.07720.77
5.5.270.0030.04720.65
5.5.260.0070.04020.77
5.5.250.0070.07720.59
5.5.240.0070.07720.18
5.4.450.0730.05319.38
5.4.440.0800.06319.21
5.4.430.0130.06019.66
5.4.420.0300.06319.23
5.4.410.0130.06319.26
5.4.400.0430.07018.73
5.4.390.0400.05018.47
5.4.380.0270.04018.57
5.4.370.0200.04018.71
5.4.360.0170.04318.76
5.4.350.0080.03412.02
5.4.340.0050.04012.02
5.4.320.0110.04412.50
5.4.310.0070.05312.51
5.4.300.0080.04412.51
5.4.290.0060.03912.51
5.4.280.0060.03612.40
5.4.270.0070.04112.40
5.4.260.0060.05312.40
5.4.250.0070.03912.40
5.4.240.0060.03712.40
5.4.230.0100.03612.40
5.4.220.0060.03812.39
5.4.210.0040.03912.39
5.4.200.0060.03812.39
5.4.190.0050.04212.39
5.4.180.0080.03312.39
5.4.170.0050.03712.39
5.4.160.0120.03512.40
5.4.150.0070.03512.39
5.4.140.0060.03712.08
5.4.130.0060.03912.06
5.4.120.0070.03412.02
5.4.110.0040.03812.02
5.4.100.0070.03512.02
5.4.90.0050.03812.02
5.4.80.0050.03912.02
5.4.70.0060.03712.02
5.4.60.0090.03312.01
5.4.50.0140.04312.02
5.4.40.0050.04212.00
5.4.30.0040.04512.00
5.4.20.0090.04412.00
5.4.10.0090.03312.00
5.4.00.0030.03811.48
5.3.290.0070.03912.80
5.3.280.0080.03512.71
5.3.270.0040.04012.73
5.3.260.0130.03212.72
5.3.250.0080.03612.72
5.3.240.0030.04312.72
5.3.230.0050.04012.71
5.3.220.0050.03812.68
5.3.210.0080.03812.68
5.3.200.0070.03612.68
5.3.190.0050.03912.68
5.3.180.0060.03712.67
5.3.170.0060.03812.67
5.3.160.0090.03912.67
5.3.150.0090.03912.68
5.3.140.0050.04212.66
5.3.130.0100.03812.66
5.3.120.0080.04112.66
5.3.110.0080.03712.66
5.3.100.0050.03912.13
5.3.90.0050.03912.11
5.3.80.0070.03612.10
5.3.70.0070.03612.10
5.3.60.0040.03812.09
5.3.50.0080.03412.03
5.3.40.0050.03712.03
5.3.30.0060.03511.99
5.3.20.0060.03611.78
5.3.10.0060.03511.73
5.3.00.0080.03711.72
5.2.170.0050.0329.23
5.2.160.0080.0369.22
5.2.150.0080.0359.23
5.2.140.0050.0369.22
5.2.130.0040.0319.18
5.2.120.0060.0279.18
5.2.110.0060.0299.19
5.2.100.0090.0249.18
5.2.90.0080.0279.19
5.2.80.0070.0289.18
5.2.70.0060.0299.18
5.2.60.0040.0329.14
5.2.50.0050.0319.11
5.2.40.0070.0309.08
5.2.30.0060.0429.06
5.2.20.0050.0369.05
5.2.10.0030.0328.95
5.2.00.0090.0308.81
5.1.60.0060.0338.09
5.1.50.0050.0318.09
5.1.40.0060.0328.07
5.1.30.0070.0358.42
5.1.20.0050.0388.45
5.1.10.0090.0328.17
5.1.00.0100.0328.16
5.0.50.0030.0286.66
5.0.40.0030.0206.52
5.0.30.0040.0316.33
5.0.20.0060.0186.29
5.0.10.0050.0206.28
5.0.00.0030.0346.27
4.4.90.0040.0224.78
4.4.80.0030.0164.75
4.4.70.0030.0164.75
4.4.60.0080.0174.75
4.4.50.0040.0214.77
4.4.40.0050.0364.71
4.4.30.0020.0184.76
4.4.20.0030.0234.84
4.4.10.0070.0194.85
4.4.00.0040.0264.76
4.3.110.0040.0164.67
4.3.100.0050.0184.66
4.3.90.0050.0164.64
4.3.80.0020.0314.58
4.3.70.0030.0214.63
4.3.60.0050.0154.63
4.3.50.0040.0164.63
4.3.40.0020.0264.54
4.3.30.0030.0153.32
4.3.20.0020.0163.29
4.3.10.0020.0163.25
4.3.00.0130.0207.11

preferences:
34.05 ms | 401 KiB | 5 Q