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 $val; } mt_srand(42); // seed rng for semi-consistent values for ($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)
7.4.10.0120.00615.10
7.4.00.0070.01114.80
7.3.130.0030.01214.59
7.3.120.0100.00714.70
7.3.110.0070.01014.85
7.3.100.0060.00915.17
7.3.90.0000.01514.84
7.3.80.0040.01214.95
7.3.70.0100.00715.02
7.3.60.0060.00614.87
7.3.50.0100.00314.89
7.3.40.0030.01014.92
7.3.30.0080.00414.65
7.3.20.0090.00316.85
7.3.10.0130.00016.71
7.3.00.0030.01016.42
7.2.260.0070.00715.26
7.2.250.0070.01115.09
7.2.240.0030.01014.94
7.2.230.0070.01015.02
7.2.220.0000.01814.70
7.2.210.0070.00715.02
7.2.200.0040.01115.33
7.2.190.0070.00714.95
7.2.180.0130.00015.26
7.2.170.0070.00714.89
7.2.160.0030.01315.16
7.2.150.0070.01017.11
7.2.140.0130.00316.70
7.2.130.0090.00016.95
7.2.120.0030.00716.89
7.2.110.0040.00816.92
7.2.100.0060.00316.98
7.2.90.0000.01316.75
7.2.80.0090.00616.80
7.2.70.0060.00917.02
7.2.60.0060.00917.09
7.2.50.0030.01016.97
7.2.40.0030.01016.83
7.2.30.0060.00917.04
7.2.20.0100.00616.96
7.2.10.0130.00316.98
7.2.00.0050.00818.26
7.1.330.0070.01015.68
7.1.320.0030.00615.84
7.1.310.0080.00816.11
7.1.300.0030.00615.91
7.1.290.0030.01315.70
7.1.280.0060.00615.84
7.1.270.0060.00915.69
7.1.260.0100.00315.75
7.1.250.0120.00315.89
7.1.240.0030.00615.79
7.1.230.0000.01215.78
7.1.220.0040.01115.82
7.1.210.0000.01315.76
7.1.200.0100.00015.89
7.1.190.0040.00715.97
7.1.180.0100.00315.63
7.1.170.0070.00715.98
7.1.160.0060.00915.77
7.1.150.0090.00615.77
7.1.140.0060.00315.91
7.1.130.0070.00715.61
7.1.120.0090.00615.61
7.1.110.0060.00815.93
7.1.100.0030.00915.78
7.1.90.0030.00615.77
7.1.80.0030.00916.03
7.1.70.0050.00716.53
7.1.60.0100.00717.72
7.1.50.0020.01516.20
7.1.40.0050.00515.82
7.1.30.0000.00915.95
7.1.20.0040.00715.60
7.1.10.0000.01115.86
7.1.00.0060.04018.96
7.0.330.0030.01315.53
7.0.320.0000.00915.44
7.0.310.0000.01415.43
7.0.300.0100.00315.49
7.0.290.0040.00715.58
7.0.280.0000.00915.45
7.0.270.0060.00315.59
7.0.260.0070.00315.54
7.0.250.0070.00415.46
7.0.240.0030.01015.62
7.0.230.0000.01015.52
7.0.220.0070.00715.54
7.0.210.0030.01015.57
7.0.200.0030.00515.98
7.0.190.0070.00715.50
7.0.180.0040.01215.53
7.0.170.0030.01315.52
7.0.160.0030.01015.37
7.0.150.0070.00715.26
7.0.140.0000.04218.80
7.0.130.0070.00315.39
7.0.120.0060.00715.34
7.0.110.0040.01115.43
7.0.100.0010.02617.71
7.0.90.0050.03017.79
7.0.80.0090.04417.65
7.0.70.0080.04317.73
7.0.60.0030.02817.80
7.0.50.0160.04017.90
7.0.40.0090.02516.84
7.0.30.0070.04216.75
7.0.20.0030.04716.75
7.0.10.0050.04716.89
7.0.00.0050.03216.81
5.6.400.0040.00814.13
5.6.390.0000.01114.41
5.6.380.0030.00614.43
5.6.370.0040.01114.46
5.6.360.0060.00314.34
5.6.350.0000.01514.73
5.6.340.0030.00614.25
5.6.330.0000.01214.29
5.6.320.0090.00314.60
5.6.310.0030.01014.19
5.6.300.0060.00614.67
5.6.290.0000.00914.40
5.6.280.0040.04217.55
5.6.270.0040.01114.71
5.6.260.0070.01014.10
5.6.250.0070.02717.68
5.6.240.0060.02017.52
5.6.230.0050.03017.36
5.6.220.0040.05117.41
5.6.210.0070.03817.65
5.6.200.0080.03317.69
5.6.190.0130.03817.78
5.6.180.0120.04017.68
5.6.170.0080.04317.65
5.6.160.0080.04517.69
5.6.150.0090.04717.59
5.6.140.0060.04117.63
5.6.130.0020.05217.89
5.6.120.0070.04717.71
5.6.110.0100.03917.73
5.6.100.0150.02217.58
5.6.90.0070.04617.77
5.6.80.0150.01817.52
5.6.70.0070.04117.32
5.6.60.0030.02617.56
5.6.50.0080.04117.49
5.6.40.0070.04317.32
5.6.30.0020.03317.31
5.6.20.0110.04017.39
5.6.10.0030.03217.28
5.6.00.0040.03117.35
5.5.380.0080.02517.37
5.5.370.0130.02317.39
5.5.360.0050.03617.33
5.5.350.0100.03717.53
5.5.340.0120.03717.59
5.5.330.0060.02617.55
5.5.320.0090.04017.71
5.5.310.0100.04717.58
5.5.300.0050.03117.60
5.5.290.0030.05017.59
5.5.280.0060.03317.60
5.5.270.0070.02717.78
5.5.260.0110.04317.43
5.5.250.0100.02717.49
5.5.240.0070.04317.28
5.5.230.0080.04117.34
5.5.220.0120.02817.17
5.5.210.0050.04017.32
5.5.200.0080.04417.43
5.5.190.0130.03517.26
5.5.180.0030.04317.07
5.5.170.0030.01314.23
5.5.160.0050.04317.29
5.5.150.0100.03417.28
5.5.140.0080.04317.33
5.5.130.0100.02317.19
5.5.120.0100.02617.23
5.5.110.0080.03817.21
5.5.100.0060.04617.03
5.5.90.0030.04417.32
5.5.80.0100.04017.15
5.5.70.0110.03517.02
5.5.60.0070.04017.06
5.5.50.0100.02817.19
5.5.40.0080.03617.28
5.5.30.0070.02617.27
5.5.20.0050.04217.31
5.5.10.0070.04617.26
5.5.00.0020.03217.16
5.4.450.0090.02215.29
5.4.440.0030.02815.17
5.4.430.0070.03915.42
5.4.420.0030.02815.26
5.4.410.0050.03915.28
5.4.400.0090.02315.08
5.4.390.0030.04015.13
5.4.380.0100.03515.25
5.4.370.0120.03715.11
5.4.360.0060.03815.19
5.4.350.0060.03715.29
5.4.340.0100.03014.95
5.4.330.0000.00811.43
5.4.320.0040.03915.12
5.4.310.0090.04115.16
5.4.300.0080.03815.08
5.4.290.0050.04614.94
5.4.280.0050.03315.15
5.4.270.0060.02315.28
5.4.260.0040.04215.00
5.4.250.0040.02814.98
5.4.240.0120.02515.00
5.4.230.0060.02314.95
5.4.220.0050.03915.10
5.4.210.0030.02715.18
5.4.200.0100.04015.06
5.4.190.0030.04015.18
5.4.180.0070.04015.14
5.4.170.0090.04015.04
5.4.160.0050.03715.06
5.4.150.0060.03515.30
5.4.140.0040.03713.88
5.4.130.0020.02613.92
5.4.120.0070.03113.81
5.4.110.0050.02613.62
5.4.100.0080.03713.89
5.4.90.0100.01813.96
5.4.80.0030.02513.90
5.4.70.0070.03013.82
5.4.60.0130.03213.72
5.4.50.0000.02913.73
5.4.40.0030.04013.90
5.4.30.0070.03713.77
5.4.20.0050.03413.76
5.4.10.0080.03813.80
5.4.00.0070.03713.33
5.3.290.0070.03612.72
5.3.280.0050.03812.75
5.3.270.0080.03812.72
5.3.260.0050.04712.73
5.3.250.0010.04312.79
5.3.240.0100.02612.74
5.3.230.0030.04612.74
5.3.220.0070.04312.74
5.3.210.0080.04512.71
5.3.200.0030.03312.73
5.3.190.0040.03212.78
5.3.180.0060.03112.70
5.3.170.0030.02312.69
5.3.160.0030.02612.73
5.3.150.0020.04112.72
5.3.140.0060.03812.78
5.3.130.0070.03712.75
5.3.120.0050.04012.67
5.3.110.0060.02312.67
5.3.100.0140.02012.52
5.3.90.0020.04412.47
5.3.80.0030.02112.40
5.3.70.0090.03712.50
5.3.60.0060.02512.45
5.3.50.0030.04312.41
5.3.40.0030.02712.46
5.3.30.0060.02012.33
5.3.20.0040.03712.27
5.3.10.0040.02212.20
5.3.00.0050.04312.29
5.2.170.0030.03311.26
5.2.160.0000.04311.04
5.2.150.0000.03711.15
5.2.140.0130.05011.01
5.2.130.0070.05311.23
5.2.120.0070.02311.11
5.2.110.0030.03711.17
5.2.100.0130.04010.99
5.2.90.0070.06011.18
5.2.80.0070.03311.13
5.2.70.0000.07011.22
5.2.60.0070.06011.15
5.2.50.0100.04711.06
5.2.40.0130.05711.13
5.2.30.0030.06010.99
5.2.20.0000.06010.99
5.2.10.0100.02710.89
5.2.00.0030.03010.68
5.1.60.0070.04310.05
5.1.50.0030.0239.99
5.1.40.0030.05010.05
5.1.30.0000.03010.43
5.1.20.0100.04010.29
5.1.10.0000.0309.92
5.1.00.0070.05010.13
5.0.50.0030.0508.63
5.0.40.0030.0338.52
5.0.30.0070.0638.29
5.0.20.0030.0238.30
5.0.10.0030.0208.27
5.0.00.0030.0308.23
4.4.90.0030.0208.12
4.4.80.0000.0378.12
4.4.70.0000.0378.12
4.4.60.0030.0208.12
4.4.50.0030.0238.12
4.4.40.0070.0538.12
4.4.30.0030.0338.12
4.4.20.0000.0338.12
4.4.10.0000.0208.12
4.4.00.0030.0538.12
4.3.110.0030.0308.12
4.3.100.0000.0278.12
4.3.90.0030.0178.12
4.3.80.0070.0508.12
4.3.70.0030.0338.12
4.3.60.0000.0308.12
4.3.50.0000.0378.12
4.3.40.0100.0308.12
4.3.30.0000.0178.12
4.3.20.0030.0408.12
4.3.10.0030.0378.12
4.3.00.0030.0308.12

preferences:
38.03 ms | 400 KiB | 5 Q