3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!='; $base = strlen($chars); $str = ''; while ($val > 0) { $str .= $chars[$val % $base]; $val = (int)($val / $base); } return $str; } function gdr_decode($str) { $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!='; $base = strlen($chars); $map = array(); for ($i=0; $i<$base; $i++) { $map[$chars[$i]] = $i; } $val = 0; for ($i=0; $i<strlen($str); $i++) { $val *= $base; $val += (int)$map[$str[$i]]; } return $val; } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 4294967295, 4294967296); //$vals = array(1); foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); if (strlen($enc)+2 > strlen($val)) { echo "\"$enc\" $val WORSE\n"; } else if (strlen($enc)+2 == strlen($val)) { echo "\"$enc\" $val EQUAL\n"; } else { echo "\"$enc\" $val\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)
8.3.60.0090.00918.26
8.3.50.0000.01419.74
8.3.40.0090.00618.87
8.3.30.0100.00319.29
8.3.20.0070.00020.20
8.3.10.0040.00421.89
8.3.00.0050.00317.71
8.2.180.0130.01018.04
8.2.170.0100.01022.96
8.2.160.0030.01122.16
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0040.00420.99
8.2.110.0050.00522.07
8.2.100.0090.00319.51
8.2.90.0040.00419.21
8.2.80.0000.00917.97
8.2.70.0030.00517.75
8.2.60.0040.00818.03
8.2.50.0050.00318.07
8.2.40.0030.01018.03
8.2.30.0040.00418.23
8.2.20.0030.00517.77
8.2.10.0070.00018.16
8.2.00.0040.00417.77
8.1.270.0060.00323.91
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.83
8.1.230.0040.00819.07
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0070.00317.35
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0000.00722.09
8.1.150.0040.00418.82
8.1.140.0040.00417.41
8.1.130.0030.00317.91
8.1.120.0050.00217.50
8.1.110.0000.00817.38
8.1.100.0040.00417.46
8.1.90.0030.00517.53
8.1.80.0040.00417.51
8.1.70.0000.00817.43
8.1.60.0040.00417.54
8.1.50.0080.00017.55
8.1.40.0000.00817.55
8.1.30.0000.00817.63
8.1.20.0000.00817.63
8.1.10.0030.00517.56
8.1.00.0000.00817.52
8.0.300.0070.00018.77
8.0.290.0050.00216.75
8.0.280.0040.00418.54
8.0.270.0050.00317.20
8.0.260.0040.00417.34
8.0.250.0000.00717.05
8.0.240.0000.00717.09
8.0.230.0030.00316.97
8.0.220.0000.00716.97
8.0.210.0000.00716.99
8.0.200.0030.00316.84
8.0.190.0050.00317.03
8.0.180.0000.00816.97
8.0.170.0040.00416.96
8.0.160.0080.00016.98
8.0.150.0000.00716.88
8.0.140.0040.00416.82
8.0.130.0030.00313.29
8.0.120.0030.00616.90
8.0.110.0000.00716.83
8.0.100.0000.00716.99
8.0.90.0070.00016.77
8.0.80.0100.00716.91
8.0.70.0070.00016.81
8.0.60.0040.00417.03
8.0.50.0050.00216.82
8.0.30.0080.01217.16
8.0.20.0130.00617.40
8.0.10.0000.00716.92
8.0.00.0070.01116.84
7.4.330.0020.00215.14
7.4.320.0000.00616.46
7.4.300.0040.00416.58
7.4.290.0000.00716.56
7.4.280.0030.00616.64
7.4.270.0000.00716.54
7.4.260.0030.00316.61
7.4.250.0060.00316.50
7.4.240.0030.00416.51
7.4.230.0000.00716.75
7.4.220.0060.01216.61
7.4.210.0080.00616.72
7.4.200.0040.00416.55
7.4.160.0130.00316.45
7.4.150.0110.00717.40
7.4.140.0150.00517.86
7.4.130.0150.00416.50
7.4.120.0060.01516.60
7.4.110.0030.02116.45
7.4.100.0100.00716.46
7.4.90.0060.01116.68
7.4.80.0090.00919.39
7.4.70.0100.01016.78
7.4.60.0030.01416.48
7.4.50.0000.00416.60
7.4.40.0120.00916.34
7.4.30.0060.01016.48
7.4.10.0090.01014.90
7.4.00.0040.01314.76
7.3.330.0030.00313.22
7.3.320.0050.00013.42
7.3.310.0040.00416.45
7.3.300.0030.00316.29
7.3.290.0100.01016.42
7.3.280.0150.00416.41
7.3.270.0100.00717.40
7.3.260.0140.00416.67
7.3.240.0140.00316.44
7.3.230.0040.01616.48
7.3.210.0110.00716.37
7.3.200.0140.00319.39
7.3.190.0130.00716.62
7.3.180.0080.00816.46
7.3.170.0100.00616.73
7.3.160.0100.01016.41
7.3.130.0090.00915.13
7.3.120.0070.00915.00
7.3.110.0120.00614.89
7.3.100.0050.00814.74
7.3.90.0070.00914.94
7.3.80.0060.00514.78
7.3.70.0070.00614.82
7.3.60.0060.00815.02
7.3.50.0110.00414.89
7.3.40.0080.00414.69
7.3.30.0030.00914.70
7.3.20.0080.00716.72
7.3.10.0030.01016.65
7.3.00.0070.00616.72
7.2.330.0070.01016.67
7.2.320.0110.01116.61
7.2.310.0040.01516.71
7.2.300.0030.01216.72
7.2.290.0130.00316.89
7.2.260.0080.00815.27
7.2.250.0070.01115.23
7.2.240.0060.01115.14
7.2.230.0060.01015.18
7.2.220.0050.00815.15
7.2.210.0050.00715.12
7.2.200.0060.00815.15
7.2.190.0070.00515.16
7.2.180.0090.00714.99
7.2.170.0040.01015.04
7.2.160.0080.00514.94
7.2.150.0060.00616.91
7.2.140.0050.00917.09
7.2.130.0080.00416.84
7.2.120.0040.01016.85
7.2.110.0100.00616.75
7.2.100.0060.00716.80
7.2.90.0040.01016.75
7.2.80.0060.00916.92
7.2.70.0040.00916.91
7.2.60.0090.00616.89
7.2.50.0120.00416.87
7.2.40.0060.00616.85
7.2.30.0090.01016.86
7.2.20.0100.00716.88
7.2.10.0110.00616.97
7.2.00.0090.00817.53
7.1.330.0060.00815.89
7.1.320.0050.00515.86
7.1.310.0040.01015.86
7.1.300.0060.00815.83
7.1.290.0010.01115.83
7.1.280.0050.00515.74
7.1.270.0040.00715.74
7.1.260.0040.01015.81
7.1.250.0030.00815.83
7.1.240.0030.00815.84
7.1.230.0040.00715.88
7.1.220.0070.00615.79
7.1.210.0100.00315.86
7.1.200.0030.01015.57
7.1.190.0050.00615.98
7.1.180.0060.00515.66
7.1.170.0050.00715.73
7.1.160.0070.00615.73
7.1.150.0100.00615.75
7.1.140.0060.00415.77
7.1.130.0080.00415.85
7.1.120.0070.00915.68
7.1.110.0070.01015.74
7.1.100.0050.00716.62
7.1.90.0020.01215.77
7.1.80.0090.00415.83
7.1.70.0040.00616.36
7.1.60.0060.00917.08
7.1.50.0050.01016.10
7.1.40.0050.01015.65
7.1.30.0030.01215.84
7.1.20.0080.00315.80
7.1.10.0090.00515.72
7.1.00.0050.03118.04
7.0.330.0060.00615.42
7.0.320.0080.00515.34
7.0.310.0080.00515.31
7.0.300.0050.00915.36
7.0.290.0070.00615.52
7.0.280.0040.00615.44
7.0.270.0060.00715.47
7.0.260.0100.00615.47
7.0.250.0030.00815.44
7.0.240.0090.00415.34
7.0.230.0020.01215.39
7.0.220.0020.00915.34
7.0.210.0090.00515.54
7.0.200.0020.00815.87
7.0.190.0070.00615.42
7.0.180.0050.00715.42
7.0.170.0050.00615.55
7.0.160.0090.00315.35
7.0.150.0080.00515.28
7.0.140.0030.03117.70
7.0.130.0050.00515.54
7.0.120.0060.00915.39
7.0.110.0080.00615.44
7.0.100.0060.00815.48
7.0.90.0050.00815.46
7.0.80.0100.00615.32
7.0.70.0040.00915.24
7.0.60.0040.03216.90
7.0.50.0040.03316.27
7.0.40.0050.02515.76
7.0.30.0090.01915.77
7.0.20.0110.02415.74
7.0.10.0040.03715.63
7.0.00.0050.03315.68
5.6.400.0050.00914.29
5.6.390.0100.00514.24
5.6.380.0080.00714.59
5.6.370.0000.01014.67
5.6.360.0040.00714.47
5.6.350.0070.00714.62
5.6.340.0080.00614.65
5.6.330.0080.01014.62
5.6.320.0030.00914.51
5.6.310.0050.00814.37
5.6.300.0070.00614.72
5.6.290.0050.00914.40
5.6.280.0100.02716.72
5.6.270.0110.00614.18
5.6.260.0030.01214.58
5.6.250.0070.00714.53
5.6.240.0120.00014.33
5.6.230.0020.01114.44
5.6.220.0090.00714.42
5.6.210.0080.03216.45
5.6.200.0050.02915.72
5.6.190.0070.02216.50
5.6.180.0080.02216.54
5.6.170.0140.02716.41
5.6.160.0060.01916.47
5.6.150.0070.03715.66
5.6.140.0080.03115.73
5.6.130.0040.02815.85
5.6.120.0070.02916.74
5.6.110.0090.03216.75
5.6.100.0060.03316.63
5.6.90.0070.03616.55
5.6.80.0060.03216.39
5.6.70.0090.00514.38
5.6.60.0050.01014.17
5.6.50.0060.01114.43
5.6.40.0050.00514.41
5.6.30.0070.00814.50
5.6.20.0070.00814.36
5.6.10.0100.00314.22
5.6.00.0040.00914.41
5.5.380.0070.00714.46
5.5.370.0090.00814.36
5.5.360.0060.01014.10
5.5.350.0030.02416.26
5.5.340.0050.02215.66
5.5.330.0090.01516.46
5.5.320.0050.03316.57
5.5.310.0160.02816.35
5.5.300.0080.02815.57
5.5.290.0020.03515.70
5.5.280.0090.03016.55
5.5.270.0080.02016.69
5.5.260.0050.02916.65
5.5.250.0080.01816.40
5.5.240.1410.01716.07
5.5.230.0040.00814.23
5.5.220.0110.00514.34
5.5.210.0050.01014.37
5.5.200.0060.00814.53
5.5.190.0050.01014.53
5.5.180.0060.00814.48
5.5.170.0060.00614.26
5.5.160.0040.00914.35
5.5.150.0080.00414.44
5.5.140.0020.01014.47
5.5.130.0040.01114.50
5.5.120.0050.00514.33
5.5.110.0010.01314.37
5.5.100.0050.00714.22
5.5.90.0060.00714.21
5.5.80.0030.01014.24
5.5.70.0060.00414.50
5.5.60.0060.01014.43
5.5.50.0030.01114.53
5.5.40.0050.00914.35
5.5.30.0020.01114.51
5.5.20.0050.00814.34
5.5.10.0050.00514.53
5.5.00.0070.00614.43
5.4.450.0150.01714.36
5.4.440.0090.01714.38
5.4.430.0150.01914.25
5.4.420.0120.01514.37
5.4.410.0240.01514.25
5.4.400.0160.01814.20
5.4.390.0310.01614.14
5.4.380.0080.02814.04
5.4.370.0110.02914.09
5.4.360.0060.02414.09
5.4.350.0070.02614.11
5.4.340.0060.02214.13
5.4.330.0040.00411.79
5.4.320.0050.01812.04
5.4.310.0010.01812.04
5.4.300.0020.02012.04
5.4.290.0040.01812.04
5.4.280.0050.01412.00
5.4.270.0030.01612.00
5.4.260.0070.01312.00
5.4.250.0040.01612.00
5.4.240.0050.01312.00
5.4.230.0040.01712.00
5.4.220.0030.01612.00
5.4.210.0040.01812.00
5.4.200.0050.02112.00
5.4.190.0040.01812.00
5.4.180.0020.01811.99
5.4.170.0040.01912.00
5.4.160.0060.01612.00
5.4.150.0040.01712.00
5.4.140.0050.01811.89
5.4.130.0040.02211.88
5.4.120.0030.01711.87
5.4.110.0030.01711.87
5.4.100.0050.01811.87
5.4.90.0080.01311.87
5.4.80.0040.01811.87
5.4.70.0030.02011.87
5.4.60.0060.01711.87
5.4.50.0050.01611.87
5.4.40.0020.01911.87
5.4.30.0050.01711.86
5.4.20.0060.01611.87
5.4.10.0060.01611.87
5.4.00.0050.01611.70
5.3.290.0090.03712.80
5.3.280.0050.03912.71
5.3.270.0060.04012.72
5.3.260.0050.05112.72
5.3.250.0060.03812.72
5.3.240.0040.03912.72
5.3.230.0060.03812.71
5.3.220.0050.03812.68
5.3.210.0070.03812.68
5.3.200.0100.03312.68
5.3.190.0080.03512.68
5.3.180.0050.03812.67
5.3.170.0100.03512.67
5.3.160.0020.04112.67
5.3.150.0060.03712.67
5.3.140.0060.04112.66
5.3.130.0060.04212.66
5.3.120.0070.04012.66
5.3.110.0080.03812.65
5.3.100.0110.03312.14
5.3.90.0130.03812.12
5.3.80.0080.03712.11
5.3.70.0140.03112.11
5.3.60.0130.03212.09
5.3.50.0070.03812.04
5.3.40.0120.03412.04
5.3.30.0070.03712.00
5.3.20.0030.04111.78
5.3.10.0100.03211.75
5.3.00.0080.03611.73
5.2.170.0050.0309.24
5.2.160.0030.0319.23
5.2.150.0040.0319.24
5.2.140.0030.0329.23
5.2.130.0040.0309.20
5.2.120.0080.0269.19
5.2.110.0080.0269.20
5.2.100.0020.0329.20
5.2.90.0040.0309.20
5.2.80.0060.0299.20
5.2.70.0040.0349.19
5.2.60.0070.0369.15
5.2.50.0060.0309.12
5.2.40.0030.0319.09
5.2.30.0050.0309.07
5.2.20.0050.0319.05
5.2.10.0030.0318.96
5.2.00.0040.0318.83
5.1.60.0030.0358.11
5.1.50.0030.0278.11
5.1.40.0040.0258.09
5.1.30.0040.0288.44
5.1.20.0030.0298.46
5.1.10.0020.0298.19
5.1.00.0040.0278.19
5.0.50.0070.0186.67
5.0.40.0020.0216.53
5.0.30.0040.0316.34
5.0.20.0050.0186.31
5.0.10.0020.0226.29
5.0.00.0040.0316.28
4.4.90.0040.0154.77
4.4.80.0040.0154.76
4.4.70.0020.0174.75
4.4.60.0010.0184.76
4.4.50.0030.0174.77
4.4.40.0040.0254.71
4.4.30.0040.0164.76
4.4.20.0030.0174.84
4.4.10.0040.0164.85
4.4.00.0070.0224.75
4.3.110.0020.0174.67
4.3.100.0020.0164.67
4.3.90.0030.0154.64
4.3.80.0040.0244.58
4.3.70.0020.0164.63
4.3.60.0030.0164.63
4.3.50.0030.0164.63
4.3.40.0020.0254.54
4.3.30.0020.0173.34
4.3.20.0030.0163.31
4.3.10.0040.0153.27
4.3.00.0100.01715.90

preferences:
57.31 ms | 400 KiB | 5 Q