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 %4d\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)
8.3.60.0090.01216.50
8.3.50.0120.00423.02
8.3.40.0120.00318.84
8.3.30.0110.00419.27
8.3.20.0070.00020.21
8.3.10.0070.00021.89
8.3.00.0040.00417.75
8.2.180.0150.00616.88
8.2.170.0040.01122.96
8.2.160.0070.00720.28
8.2.150.0080.00024.18
8.2.140.0050.00224.66
8.2.130.0000.00726.16
8.2.120.0040.00420.91
8.2.110.0030.00622.20
8.2.100.0080.00319.42
8.2.90.0030.00919.26
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0000.00818.05
8.2.50.0040.00418.07
8.2.40.0030.00518.16
8.2.30.0040.00418.14
8.2.20.0000.00717.75
8.2.10.0080.00018.07
8.2.00.0050.00317.76
8.1.280.0090.00925.92
8.1.270.0060.00323.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.91
8.1.230.0090.00318.98
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0090.00017.35
8.1.190.0040.00417.36
8.1.180.0050.00318.10
8.1.170.0040.00418.44
8.1.160.0000.00722.07
8.1.150.0030.00518.76
8.1.140.0000.00717.41
8.1.130.0040.00417.90
8.1.120.0000.00717.44
8.1.110.0040.00417.45
8.1.100.0000.00717.53
8.1.90.0000.00717.45
8.1.80.0050.00317.43
8.1.70.0030.00317.43
8.1.60.0040.00417.60
8.1.50.0080.00017.59
8.1.40.0030.00517.51
8.1.30.0060.00317.68
8.1.20.0030.00517.61
8.1.10.0050.00317.57
8.1.00.0040.00417.41
8.0.300.0050.00318.77
8.0.290.0080.00016.75
8.0.280.0050.00218.51
8.0.270.0090.00017.30
8.0.260.0040.00417.31
8.0.250.0030.00316.88
8.0.240.0000.00716.96
8.0.230.0070.00016.91
8.0.220.0000.00716.91
8.0.210.0030.00316.79
8.0.200.0030.00316.97
8.0.190.0040.00416.84
8.0.180.0040.00416.84
8.0.170.0030.00516.84
8.0.160.0000.00716.96
8.0.150.0000.00716.87
8.0.140.0000.00716.72
8.0.130.0060.00013.34
8.0.120.0000.00816.90
8.0.110.0000.00716.82
8.0.100.0040.00416.81
8.0.90.0070.00016.96
8.0.80.0130.00716.88
8.0.70.0030.00516.71
8.0.60.0040.00416.96
8.0.50.0080.00016.81
8.0.30.0160.00817.15
8.0.20.0050.01617.40
8.0.10.0040.00417.05
8.0.00.0140.00616.88
7.4.330.0030.00315.13
7.4.320.0030.00316.45
7.4.300.0030.00316.50
7.4.290.0030.00316.50
7.4.280.0000.00716.46
7.4.270.0030.00316.54
7.4.260.0100.00016.43
7.4.250.0040.00416.51
7.4.240.0040.00316.53
7.4.230.0030.00316.62
7.4.220.0030.01516.54
7.4.210.0070.00716.66
7.4.200.0070.00016.68
7.4.160.0100.00716.53
7.4.150.0100.00717.40
7.4.140.0110.00617.86
7.4.130.0090.00916.63
7.4.120.0070.01016.45
7.4.110.0120.00916.61
7.4.100.0090.01216.56
7.4.90.0100.00716.43
7.4.80.0050.01119.39
7.4.70.0040.01216.59
7.4.60.0060.01116.43
7.4.50.0000.00716.49
7.4.40.0120.00616.36
7.4.30.0110.00616.57
7.4.00.0000.01314.70
7.3.330.0030.00313.42
7.3.320.0050.00013.20
7.3.310.0040.00416.50
7.3.300.0040.00416.41
7.3.290.0080.00516.42
7.3.280.0090.00716.36
7.3.270.0170.00017.40
7.3.260.0070.01016.62
7.3.240.0150.00316.45
7.3.230.0090.00916.62
7.3.210.0060.01216.26
7.3.200.0070.01119.39
7.3.190.0060.01216.69
7.3.180.0040.01216.64
7.3.170.0090.01316.40
7.3.160.0040.01216.70
7.3.120.0050.00814.68
7.3.110.0040.01214.78
7.3.100.0040.00914.86
7.3.90.0040.01114.77
7.3.80.0030.00815.17
7.3.70.0030.01015.00
7.3.60.0080.00815.00
7.3.50.0070.00714.71
7.3.40.0080.00814.98
7.3.30.0070.00814.98
7.3.20.0110.00416.65
7.3.10.0030.01016.54
7.3.00.0110.00216.47
7.2.330.0030.01716.75
7.2.320.0100.00716.80
7.2.310.0070.01016.85
7.2.300.0080.00916.78
7.2.290.0120.00916.64
7.2.240.0030.00515.20
7.2.230.0060.01015.00
7.2.220.0000.01515.08
7.2.210.0040.01215.08
7.2.200.0040.01115.12
7.2.190.0050.00315.06
7.2.180.0030.01015.11
7.2.170.0030.01015.23
7.2.160.0070.00715.24
7.2.150.0000.01117.07
7.2.140.0070.00717.13
7.2.130.0070.00816.95
7.2.120.0070.01016.99
7.2.110.0070.01016.81
7.2.100.0100.00716.79
7.2.90.0070.01016.84
7.2.80.0070.00716.90
7.2.70.0020.01316.79
7.2.60.0060.00817.03
7.2.50.0060.01017.04
7.2.40.0050.01017.01
7.2.30.0040.00917.06
7.2.20.0070.01217.00
7.2.10.0030.01316.80
7.2.00.0070.00717.72
7.1.330.0070.00315.62
7.1.320.0070.00615.98
7.1.310.0060.01015.97
7.1.300.0030.01015.84
7.1.290.0030.00615.70
7.1.280.0000.01415.62
7.1.270.0110.00315.52
7.1.260.0030.01015.91
7.1.250.0090.00515.68
7.1.240.0070.01115.64
7.1.230.0000.01415.73
7.1.220.0110.00615.80
7.1.210.0060.00615.50
7.1.200.0060.00515.71
7.1.190.0030.01015.73
7.1.180.0070.01015.53
7.1.170.0070.01115.87
7.1.160.0040.00715.45
7.1.150.0030.01015.56
7.1.140.0120.00615.67
7.1.130.0030.01415.49
7.1.120.0070.01015.48
7.1.110.0090.00615.89
7.1.100.0080.00617.04
7.1.90.0110.00715.74
7.1.80.0130.00315.96
7.1.70.0120.00816.28
7.1.60.0100.00717.57
7.1.50.0110.00525.13
7.1.40.0000.01615.67
7.1.30.0100.00315.68
7.1.20.0080.00415.71
7.1.10.0110.00615.83
7.1.00.0070.04319.03
7.0.330.0030.01315.05
7.0.320.0060.00615.20
7.0.310.0040.00815.00
7.0.300.0030.01215.24
7.0.290.0030.01415.49
7.0.280.0060.00915.39
7.0.270.0110.00715.01
7.0.260.0040.00715.20
7.0.250.0070.01015.25
7.0.240.0040.00815.08
7.0.230.0070.01115.35
7.0.220.0060.01315.30
7.0.210.0070.00715.29
7.0.200.0040.00716.12
7.0.190.0060.01315.42
7.0.180.0040.01115.34
7.0.170.0060.01015.42
7.0.160.0070.00715.07
7.0.150.0090.00415.24
7.0.140.0050.04018.60
7.0.130.0080.00315.52
7.0.120.0030.01015.12
7.0.110.0070.01015.39
7.0.100.0070.01015.18
7.0.90.0120.00315.41
7.0.80.0080.00915.27
7.0.70.0070.01015.29
7.0.60.0080.04117.30
7.0.50.0090.02116.55
7.0.40.0130.04016.73
7.0.30.0160.02716.77
7.0.20.0120.02316.81
7.0.10.0130.04516.75
7.0.00.0000.03216.79
5.6.380.0040.01114.18
5.6.370.0030.01314.29
5.6.360.0090.00914.11
5.6.350.0070.00414.53
5.6.340.0040.00914.43
5.6.330.0080.00814.20
5.6.320.0060.01114.53
5.6.310.0070.01114.59
5.6.300.0070.01014.22
5.6.290.0100.01014.03
5.6.280.0110.03617.85
5.6.270.0000.01914.32
5.6.260.0060.01114.31
5.6.250.0080.01214.60
5.6.240.0100.00514.62
5.6.230.0100.00814.39
5.6.220.0160.00314.51
5.6.210.0050.03717.49
5.6.200.0110.04016.33
5.6.190.0030.03317.41
5.6.180.0260.03717.43
5.6.170.0090.02517.39
5.6.160.0080.04317.40
5.6.150.0030.03016.28
5.6.140.0110.04316.23
5.6.130.0050.04516.25
5.6.120.0070.03317.84
5.6.110.0070.04817.85
5.6.100.0090.03317.70
5.6.90.0100.04717.66
5.6.80.0080.04317.41
5.6.70.0000.01414.15
5.6.60.0030.00914.29
5.6.50.0040.01114.52
5.6.40.0040.01214.05
5.6.30.0060.00914.45
5.6.20.0120.00314.18
5.6.10.0060.00914.09
5.6.00.0110.00314.33
5.5.380.0120.00011.31
5.5.370.0040.01111.06
5.5.360.0080.00511.38
5.5.350.1630.01515.93
5.5.340.0110.02014.57
5.5.330.0080.04215.67
5.5.320.0220.03715.65
5.5.310.0150.02115.84
5.5.300.0070.03214.71
5.5.290.0070.03814.57
5.5.280.0070.02216.05
5.5.270.0070.02515.93
5.5.260.0050.02416.11
5.5.250.0050.04515.94
5.5.240.0050.02615.63
5.5.230.0030.00611.06
5.5.220.0050.00611.14
5.5.210.0090.00311.14
5.5.200.0100.00011.06
5.5.190.0100.00311.08
5.5.180.0040.00811.24
5.5.170.0000.01511.13
5.5.160.0100.00011.32
5.5.150.0080.00411.26
5.5.140.0070.00711.37
5.5.130.0090.00311.36
5.5.120.0060.00311.44
5.5.110.0000.01411.38
5.5.100.0000.01411.20
5.5.90.0060.00611.06
5.5.80.0060.00311.14
5.5.70.0040.00711.06
5.5.60.0070.00711.06
5.5.50.0030.00911.06
5.5.40.0030.00611.34
5.5.30.0030.00611.20
5.5.20.0060.00611.12
5.5.10.0030.01011.21
5.5.00.0090.00311.06
5.4.450.0470.02815.38
5.4.440.0330.03315.42
5.4.430.0430.02815.14
5.4.420.0390.03015.36
5.4.410.0100.03115.08
5.4.400.0120.02715.12
5.4.390.0140.02915.13
5.4.380.0070.03214.77
5.4.370.0110.02614.82
5.4.360.0140.02514.92
5.4.350.0090.02811.55
5.4.340.0100.05111.55
5.4.330.0070.00711.11
5.4.320.0040.02111.79
5.4.310.0080.02311.79
5.4.300.0060.02211.79
5.4.290.0080.02411.79
5.4.280.0070.02911.74
5.4.270.0090.02111.74
5.4.260.0090.02111.74
5.4.250.0040.02311.74
5.4.240.0060.03111.74
5.4.230.0040.02411.77
5.4.220.0040.02311.74
5.4.210.0050.02311.83
5.4.200.0060.02111.79
5.4.190.0070.02111.73
5.4.180.0070.02211.73
5.4.170.0120.01811.78
5.4.160.0060.02311.73
5.4.150.0040.02311.73
5.4.140.0100.01811.57
5.4.130.0080.02711.57
5.4.120.0050.02511.55
5.4.110.0080.02111.54
5.4.100.0090.02311.54
5.4.90.0080.03211.59
5.4.80.0070.03211.54
5.4.70.0090.02711.55
5.4.60.0060.03111.54
5.4.50.0070.02911.54
5.4.40.0080.02711.54
5.4.30.0070.03011.54
5.4.20.0080.03011.54
5.4.10.0080.02211.67
5.4.00.0090.02011.28
5.3.290.0080.02911.93
5.3.280.0080.02111.88
5.3.270.0080.02211.89
5.3.260.0040.02811.89
5.3.250.0080.02311.89
5.3.240.0070.02611.89
5.3.230.0080.03011.89
5.3.220.0050.03011.87
5.3.210.0040.02611.87
5.3.200.0100.02111.87
5.3.190.0070.02811.87
5.3.180.0030.02311.87
5.3.170.0060.02211.87
5.3.160.0070.02211.87
5.3.150.0070.02211.87
5.3.140.0060.02211.86
5.3.130.0070.02311.86
5.3.120.0070.02311.86
5.3.110.0050.02511.86
5.3.100.0040.02411.60
5.3.90.0080.02111.59
5.3.80.0070.02111.59
5.3.70.0040.02411.59
5.3.60.0050.02211.58
5.3.50.0030.02511.55
5.3.40.0040.02511.55
5.3.30.0070.02111.53
5.3.20.0060.02011.42
5.3.10.0070.01811.41
5.3.00.0020.02611.40
5.2.170.0060.01710.15
5.2.160.0050.02410.15
5.2.150.0060.01710.15
5.2.140.0040.02010.15
5.2.130.0040.02010.13
5.2.120.0070.01410.13
5.2.110.0060.01810.13
5.2.100.0090.01510.13
5.2.90.0050.01810.13
5.2.80.0030.02010.13
5.2.70.0020.02210.13
5.2.60.0040.01710.11
5.2.50.0030.02110.09
5.2.40.0030.02010.08
5.2.30.0050.01810.07
5.2.20.0040.01810.06
5.2.10.0020.02010.01
5.2.00.0030.0189.95
5.1.60.0070.0139.59
5.1.50.0020.0189.59
5.1.40.0050.0139.58
5.1.30.0040.0209.75
5.1.20.0060.0149.76
5.1.10.0020.0199.63
5.1.00.0030.0179.63
5.0.50.0050.0148.87
5.0.40.0050.0178.80
5.0.30.0050.0248.70
5.0.20.0030.0188.69
5.0.10.0070.0118.68
5.0.00.0040.0248.67
4.4.90.0030.0117.92
4.4.80.0040.0137.91
4.4.70.0030.0117.91
4.4.60.0030.0137.91
4.4.50.0020.0127.92
4.4.40.0010.0187.88
4.4.30.0030.0147.91
4.4.20.0050.0157.96
4.4.10.0050.0157.96
4.4.00.0040.0217.91
4.3.110.0030.0167.87
4.3.100.0030.0107.87
4.3.90.0020.0137.85
4.3.80.0030.0167.82
4.3.70.0020.0127.84
4.3.60.0020.0117.84
4.3.50.0030.0127.85
4.3.40.0050.0157.80
4.3.30.0040.0147.20
4.3.20.0020.0147.19
4.3.10.0020.0137.16
4.3.00.0080.0169.14

preferences:
39.98 ms | 401 KiB | 5 Q