3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { // all characters that json encode without escaping $chrs = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 !#$%&\'()*+,-.:;<=>?@[]^_`{|}~'; $base = strlen($chrs); $str = ''; while ($val > 0) { $str = $chrs[$val % $base] . $str; $val = (int)($val / $base); } return $str; } function gdr_decode($str) { // all characters that json encode without escaping $chrs = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 !#$%&\'()*+,-.:;<=>?@[]^_`{|}~'; $base = strlen($chrs); $map = array(); for ($i=0; $i<$base; $i++) { $map[$chrs[$i]] = $i; } $val = 0; for ($i=0; $i<strlen($str); $i++) { $val *= $base; $val += (int)$map[$str[$i]]; } return $val; } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 500000, 999999, 1000000, 4294967295, 4294967296); echo " number string diff\n"; foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); if ($dec !== $val) { echo "ERROR: $val => $enc => $dec\n"; } else { echo sprintf("%10d %7s %2d\n", $dec, "\"$enc\"", strlen($enc)+2-strlen($val)); } }

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)
8.3.60.0100.01016.50
8.3.50.0110.01022.85
8.3.40.0120.00318.83
8.3.30.0070.00719.08
8.3.20.0040.00420.33
8.3.10.0100.00321.73
8.3.00.0050.00317.50
8.2.180.0130.01016.50
8.2.170.0070.00722.96
8.2.160.0170.00020.46
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0060.00326.16
8.2.120.0060.00321.02
8.2.110.0140.00020.54
8.2.100.0040.00817.91
8.2.90.0030.00719.17
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0080.00017.93
8.2.50.0050.00518.07
8.2.40.0060.00318.09
8.2.30.0040.00418.16
8.2.20.0040.00417.64
8.2.10.0060.00318.13
8.2.00.0080.00017.75
8.1.280.0120.00325.92
8.1.270.0070.00423.99
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0070.00422.08
8.1.230.0110.00020.88
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0000.01017.48
8.1.190.0060.00317.23
8.1.180.0030.00519.14
8.1.170.0030.00518.57
8.1.160.0070.00022.09
8.1.150.0000.00718.89
8.1.140.0040.00417.42
8.1.130.0000.00717.83
8.1.120.0070.00017.34
8.1.110.0080.00017.45
8.1.100.0070.00017.48
8.1.90.0050.00217.47
8.1.80.0040.00417.35
8.1.70.0050.00317.41
8.1.60.0030.00517.64
8.1.50.0050.00317.56
8.1.40.0040.00417.55
8.1.30.0000.00817.67
8.1.20.0050.00317.69
8.1.10.0080.00017.60
8.1.00.0030.00617.53
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0050.00218.36
8.0.270.0000.00817.18
8.0.260.0080.00317.18
8.0.250.0040.00416.89
8.0.240.0030.00316.98
8.0.230.0070.00016.94
8.0.220.0030.00316.91
8.0.210.0040.00316.91
8.0.200.0030.00316.97
8.0.190.0050.00316.96
8.0.180.0000.00816.84
8.0.170.0000.00716.81
8.0.160.0040.00416.78
8.0.150.0080.00016.78
8.0.140.0020.00516.91
8.0.130.0000.00613.28
8.0.120.0050.00316.88
8.0.110.0040.00416.89
8.0.100.0080.00016.96
8.0.90.0000.00716.93
8.0.80.0160.00016.84
8.0.70.0050.00316.82
8.0.60.0040.00417.02
8.0.50.0060.00316.80
8.0.30.0110.01116.96
8.0.20.0090.01317.40
8.0.10.0040.00417.09
8.0.00.0090.01016.79
7.4.330.0060.00015.03
7.4.320.0030.00316.64
7.4.300.0000.00716.45
7.4.290.0000.00716.43
7.4.280.0000.00716.42
7.4.270.0030.00316.59
7.4.260.0040.00716.66
7.4.250.0000.00816.40
7.4.240.0020.00516.52
7.4.230.0000.00816.52
7.4.220.0030.01616.61
7.4.210.0040.01516.55
7.4.200.0050.00216.42
7.4.160.0070.01016.52
7.4.150.0030.01617.40
7.4.140.0150.00817.86
7.4.130.0090.00816.57
7.4.120.0060.01116.50
7.4.110.0080.00816.54
7.4.100.0070.01016.57
7.4.90.0060.01216.60
7.4.80.0130.01019.39
7.4.70.0130.00416.32
7.4.60.0100.00916.57
7.4.50.0000.00516.64
7.4.40.0070.01316.20
7.4.30.0130.00316.51
7.4.10.0070.00715.09
7.4.00.0050.01215.03
7.3.330.0050.00513.36
7.3.320.0030.00313.38
7.3.310.0000.00716.29
7.3.300.0050.00216.45
7.3.290.0080.00616.39
7.3.280.0050.01216.39
7.3.270.0090.01517.40
7.3.260.0030.01316.44
7.3.250.0130.00516.41
7.3.240.0060.01316.54
7.3.230.0040.01216.54
7.3.210.0070.01016.39
7.3.200.0100.00719.39
7.3.190.0080.00916.30
7.3.180.0040.01216.45
7.3.170.0090.01316.41
7.3.160.0070.01016.65
7.3.130.0070.01014.80
7.3.120.0090.00914.91
7.3.110.0070.01314.91
7.3.100.0100.00614.89
7.3.90.0080.00414.95
7.3.80.0060.00314.84
7.3.70.0060.00914.99
7.3.60.0070.00314.71
7.3.50.0000.01114.64
7.3.40.0030.00914.82
7.3.30.0080.00515.00
7.3.20.0040.01116.58
7.3.10.0050.00616.78
7.3.00.0060.00516.71
7.2.330.0110.00716.64
7.2.320.0090.00916.68
7.2.310.0130.00416.42
7.2.300.0060.01216.71
7.2.290.0090.01216.82
7.2.260.0090.00914.96
7.2.250.0120.00614.84
7.2.240.0070.01014.86
7.2.230.0040.01215.22
7.2.220.0120.00315.18
7.2.210.0030.00915.09
7.2.200.0090.00615.31
7.2.190.0030.00915.09
7.2.180.0000.01214.96
7.2.170.0040.00815.09
7.2.160.0070.01115.21
7.2.150.0070.00417.00
7.2.140.0060.00917.04
7.2.130.0100.00616.83
7.2.120.0030.01016.88
7.2.110.0080.00517.00
7.2.100.0030.01016.98
7.2.90.0050.01116.98
7.2.80.0070.00516.97
7.2.70.0030.01216.90
7.2.60.0080.00817.07
7.2.50.0060.00916.90
7.2.40.0100.00216.85
7.2.30.0120.00517.03
7.2.20.0070.00716.77
7.2.10.0090.00716.81
7.2.00.0040.01116.90
7.1.330.0100.00315.88
7.1.320.0090.00615.93
7.1.310.0030.01315.98
7.1.300.0040.01115.85
7.1.290.0130.00315.85
7.1.280.0050.00515.50
7.1.270.0040.01216.02
7.1.260.0030.01015.78
7.1.250.0050.00515.92
7.1.240.0060.00915.92
7.1.230.0090.00615.93
7.1.220.0040.00415.85
7.1.210.0040.00815.93
7.1.200.0000.01115.63
7.1.190.0080.00415.88
7.1.180.0030.01015.95
7.1.170.0070.00715.46
7.1.160.0090.00615.81
7.1.150.0150.00015.91
7.1.140.0060.00615.79
7.1.130.0090.00015.61
7.1.120.0000.01315.94
7.1.110.0000.01515.80
7.1.100.0000.01415.83
7.1.90.0090.00615.97
7.1.80.0030.00715.65
7.1.70.0090.00516.54
7.1.60.0050.00916.46
7.1.50.0100.00816.34
7.1.40.0100.00015.61
7.1.30.0070.00715.79
7.1.20.0070.01015.82
7.1.10.0040.00815.75
7.1.00.0030.04419.11
7.0.330.0030.00915.62
7.0.320.0030.00715.52
7.0.310.0100.00315.44
7.0.300.0040.01115.50
7.0.290.0070.00715.24
7.0.280.0040.00815.46
7.0.270.0080.00515.48
7.0.260.0030.00615.34
7.0.250.0000.00915.55
7.0.240.0030.01015.47
7.0.230.0060.00615.43
7.0.220.0000.01015.50
7.0.210.0000.01215.53
7.0.200.0080.00616.03
7.0.190.0040.00415.48
7.0.180.0030.00715.51
7.0.170.0070.00715.29
7.0.160.0060.00815.25
7.0.150.0030.00715.37
7.0.140.0070.03918.81
7.0.130.0030.01015.37
7.0.120.0070.00415.50
7.0.110.0040.00815.58
7.0.100.0000.01415.48
7.0.90.0060.00615.53
7.0.80.0040.00815.17
7.0.70.0030.01215.51
7.0.60.0150.02318.57
7.0.50.0100.03616.75
7.0.40.0050.04816.85
7.0.30.0190.03816.90
7.0.20.0150.02516.81
7.0.10.0050.03316.81
7.0.00.0070.04216.83
5.6.400.0060.00914.75
5.6.390.0060.01214.50
5.6.380.0030.01214.54
5.6.370.0090.00614.17
5.6.360.0040.01514.32
5.6.350.0070.00714.71
5.6.340.0000.01114.06
5.6.330.0100.00714.54
5.6.320.0060.00614.51
5.6.310.0090.00614.37
5.6.300.0040.00814.72
5.6.290.0040.00714.86
5.6.280.0050.04017.47
5.6.270.0060.00614.20
5.6.260.0030.00914.61
5.6.250.0030.01014.53
5.6.240.0030.01014.73
5.6.230.0060.00614.46
5.6.220.0000.01714.35
5.6.210.0140.03917.47
5.6.200.0020.04816.30
5.6.190.0090.02117.42
5.6.180.1880.02517.55
5.6.170.0150.04217.41
5.6.160.0000.03117.43
5.6.150.0070.04316.31
5.6.140.0060.03216.46
5.6.130.0030.04816.28
5.6.120.0030.04517.65
5.6.110.0070.05217.75
5.6.100.0080.04617.73
5.6.90.0080.03317.61
5.6.80.0080.04317.29
5.6.70.0090.00614.46
5.6.60.0000.01714.48
5.6.50.0060.01014.50
5.6.40.0000.01814.32
5.6.30.0000.01514.64
5.6.20.0100.00014.33
5.6.10.0060.00614.49
5.6.00.0040.01214.29
5.5.380.0050.00514.54
5.5.370.0090.00014.38
5.5.360.0040.01114.04
5.5.350.0020.04917.31
5.5.340.0150.03016.26
5.5.330.0050.02517.45
5.5.320.0170.02517.41
5.5.310.0130.02317.24
5.5.300.0090.04516.15
5.5.290.0000.04916.26
5.5.280.0070.02517.55
5.5.270.0060.04317.79
5.5.260.0060.03117.65
5.5.250.0050.04817.62
5.5.240.0050.04317.37
5.5.230.0040.01114.17
5.5.220.0030.00814.28
5.5.210.0030.01014.45
5.5.200.0100.00314.19
5.5.190.0130.00014.38
5.5.180.0100.00314.44
5.5.170.0040.01114.41
5.5.160.0000.01114.45
5.5.150.0040.01114.44
5.5.140.0030.00714.26
5.5.130.0070.01014.30
5.5.120.0070.01014.44
5.5.110.0120.00414.07
5.5.100.0060.00614.29
5.5.90.0030.00914.53
5.5.80.0000.01214.23
5.5.70.0060.00914.25
5.5.60.0130.00014.63
5.5.50.0060.00314.48
5.5.40.0040.00814.42
5.5.30.0070.00714.38
5.5.20.0000.01114.23
5.5.10.0030.01414.47
5.5.00.0030.01214.09
5.4.450.0500.03216.44
5.4.440.0060.03116.31
5.4.430.0420.03216.38
5.4.420.0100.02716.42
5.4.410.0380.02616.44
5.4.400.0450.02516.28
5.4.390.0140.03416.31
5.4.380.0070.03416.09
5.4.370.0050.02715.96
5.4.360.0070.02515.98
5.4.350.0040.02612.72
5.4.340.0070.02312.71
5.4.330.0070.00313.40
5.4.320.0050.02212.96
5.4.310.0050.02612.96
5.4.300.0070.02012.96
5.4.290.0040.02612.96
5.4.280.0050.02012.91
5.4.270.0060.02512.91
5.4.260.0020.02912.91
5.4.250.0060.02012.91
5.4.240.0050.02212.91
5.4.230.0060.02112.90
5.4.220.0050.02212.90
5.4.210.0040.02212.90
5.4.200.0090.01912.90
5.4.190.0020.02212.90
5.4.180.0040.02412.90
5.4.170.0070.02012.91
5.4.160.0060.02212.91
5.4.150.0050.02312.90
5.4.140.0070.02012.74
5.4.130.0080.01712.74
5.4.120.0060.02212.71
5.4.110.0070.02012.71
5.4.100.0090.02212.71
5.4.90.0050.02312.71
5.4.80.0050.02112.71
5.4.70.0070.02412.71
5.4.60.0060.02012.71
5.4.50.0050.02112.71
5.4.40.0070.01812.71
5.4.30.0030.02212.71
5.4.20.0020.02312.71
5.4.10.0040.02312.71
5.4.00.0020.02512.45
5.3.290.0110.05212.80
5.3.280.0040.04012.70
5.3.270.0040.05012.72
5.3.260.0080.03812.72
5.3.250.0060.04312.72
5.3.240.0060.03812.72
5.3.230.0060.03912.71
5.3.220.0030.04012.68
5.3.210.0040.04212.68
5.3.200.0060.03712.68
5.3.190.0070.03812.68
5.3.180.0090.03512.67
5.3.170.0050.03912.67
5.3.160.0040.03912.67
5.3.150.0090.03512.68
5.3.140.0070.03712.66
5.3.130.0070.04012.66
5.3.120.0090.04112.66
5.3.110.0050.04612.66
5.3.100.0070.04012.13
5.3.90.0060.03712.12
5.3.80.0070.03712.11
5.3.70.0090.03512.11
5.3.60.0060.03812.09
5.3.50.0050.03712.04
5.3.40.0040.04012.04
5.3.30.0050.03712.00
5.3.20.0040.03811.79
5.3.10.0030.04411.75
5.3.00.0080.03411.73
5.2.170.0040.0329.24
5.2.160.0110.0379.23
5.2.150.0100.0419.24
5.2.140.0070.0449.23
5.2.130.0030.0399.20
5.2.120.0080.0279.19
5.2.110.0080.0349.20
5.2.100.0070.0299.20
5.2.90.0050.0299.20
5.2.80.0040.0319.20
5.2.70.0060.0299.20
5.2.60.0050.0309.16
5.2.50.0050.0309.13
5.2.40.0050.0299.10
5.2.30.0030.0329.07
5.2.20.0060.0359.06
5.2.10.0050.0298.98
5.2.00.0030.0328.83
5.1.60.0050.0238.11
5.1.50.0060.0248.11
5.1.40.0040.0258.09
5.1.30.0050.0278.45
5.1.20.0050.0278.46
5.1.10.0050.0278.20
5.1.00.0030.0298.19
5.0.50.0060.0226.68
5.0.40.0010.0306.53
5.0.30.0040.0336.35
5.0.20.0030.0246.31
5.0.10.0040.0246.29
5.0.00.0020.0406.28
4.4.90.0040.0184.78
4.4.80.0050.0154.75
4.4.70.0040.0184.76
4.4.60.0030.0194.75
4.4.50.0040.0154.77
4.4.40.0020.0274.71
4.4.30.0060.0144.75
4.4.20.0040.0164.84
4.4.10.0020.0184.85
4.4.00.0030.0264.76
4.3.110.0030.0174.67
4.3.100.0040.0154.67
4.3.90.0030.0194.63
4.3.80.0030.0294.59
4.3.70.0010.0184.63
4.3.60.0030.0154.63
4.3.50.0030.0174.63
4.3.40.0050.0284.53
4.3.30.0010.0223.33
4.3.20.0030.0173.31
4.3.10.0030.0163.27
4.3.00.0130.0238.45

preferences:
52.97 ms | 400 KiB | 5 Q