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 $val; } function duration($val) { if ($val < 24) { return sprintf('%d', $val).'h'; } if ($val < 24*10) { return sprintf('%1.1f', $val/24).'d'; } if ($val < 168*10) { return sprintf('%1.1f', $val/168).'w'; } //if ($val < 730*10) { // return sprintf('%1.1f', $val/730).'m'; //} return sprintf('%1.1f', $val/8760).'y'; } function cmp($val) { return strlen(gdr_encode($val))+2-strlen($val); } function insert(&$vals, $n) { $min = intval('1'.str_repeat('0', $n-1)); $max = intval(str_repeat('9', $n)); $vals[] = $min; $vals[] = $max; $len = cmp($min); if ($len !== cmp($max)) { return; } while ($min < $max) { $mid = round(($min+$max)/2, 0)-1; $k = cmp($mid); echo "$min $mid $max $k\n"; if ($k == $len && $k < cmp($mid+1)) { $vals[] = $mid; $vals[] = $mid+1; return; } if ($k <= $len) { $max = $mid-1; } else { $min = $mid+1; } } } $vals = array(0); for ($i=1; $i<8; $i++) { insert($vals, $i); } $vals = array_unique($vals); sort($vals); //$vals = array( // 0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, // 100000, 250000, 500000, 750000, 999999, 1000000, 9999999, //4294967295, 4294967296 //); echo sprintf("%7s %7s %7s %4s\n", 'num', 'str', 'time', 'cmp'); foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); if ($dec !== $val) { echo "ERROR: $val => $enc => $dec\n"; } else { echo sprintf("%7d %7s %7s %4d\n", $dec, "\"$enc\"", duration($val), strlen($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)
8.3.60.0120.00616.75
8.3.50.0070.01022.81
8.3.40.0150.00619.14
8.3.30.0180.00419.21
8.3.20.0040.00420.47
8.3.10.0090.00021.79
8.3.00.0080.00017.88
8.2.180.0060.00916.75
8.2.170.0170.00322.96
8.2.160.0150.00020.54
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0030.01526.16
8.2.120.0000.01020.96
8.2.110.0070.01022.23
8.2.100.0040.00817.78
8.2.90.0000.00819.37
8.2.80.0030.00617.97
8.2.70.0060.00317.63
8.2.60.0000.00818.16
8.2.50.0030.00618.07
8.2.40.0060.00618.28
8.2.30.0030.00518.25
8.2.20.0040.00417.93
8.2.10.0030.00518.25
8.2.00.0000.00817.88
8.1.280.0080.00825.92
8.1.270.0030.00624.02
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.00323.91
8.1.230.0000.01119.21
8.1.220.0060.00317.89
8.1.210.0080.00018.77
8.1.200.0070.00317.48
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0090.00018.63
8.1.160.0070.00022.00
8.1.150.0040.00418.91
8.1.140.0000.00717.45
8.1.130.0000.00717.95
8.1.120.0030.00517.54
8.1.110.0080.00017.47
8.1.100.0000.00717.44
8.1.90.0100.00017.59
8.1.80.0000.00817.45
8.1.70.0040.00417.45
8.1.60.0000.00917.66
8.1.50.0030.00617.61
8.1.40.0050.00317.64
8.1.30.0000.00917.79
8.1.20.0030.00517.84
8.1.10.0030.00517.69
8.1.00.0060.00317.71
8.0.300.0040.00418.77
8.0.290.0050.00317.00
8.0.280.0070.00018.46
8.0.270.0000.00717.29
8.0.260.0000.00717.38
8.0.250.0000.00817.00
8.0.240.0030.00516.96
8.0.230.0000.00717.10
8.0.220.0030.00317.09
8.0.210.0000.00716.94
8.0.200.0030.00316.95
8.0.190.0020.00517.10
8.0.180.0050.00316.95
8.0.170.0030.00517.05
8.0.160.0000.00716.99
8.0.150.0030.00516.91
8.0.140.0000.00716.90
8.0.130.0030.00313.41
8.0.120.0000.00816.88
8.0.110.0040.00417.01
8.0.100.0000.00716.86
8.0.90.0000.00817.07
8.0.80.0030.01517.00
8.0.70.0000.00817.06
8.0.60.0000.00716.84
8.0.50.0040.00417.10
8.0.30.0140.00617.21
8.0.20.0100.01417.40
8.0.10.0000.00817.07
8.0.00.0150.00516.80
7.4.330.0000.00515.04
7.4.320.0070.00016.69
7.4.300.0050.00216.52
7.4.290.0000.00816.59
7.4.280.0040.00416.49
7.4.270.0070.00016.62
7.4.260.0060.00316.59
7.4.250.0060.00316.66
7.4.240.0040.00416.75
7.4.230.0030.00416.54
7.4.220.0100.01016.63
7.4.210.0000.01416.67
7.4.200.0000.00816.53
7.4.160.0100.00716.63
7.4.150.0100.00917.40
7.4.140.0080.01217.86
7.4.130.0090.01116.58
7.4.120.0050.01616.57
7.4.110.0180.00716.63
7.4.100.0110.00716.70
7.4.90.0090.01016.55
7.4.80.0170.00219.39
7.4.70.0140.00416.79
7.4.60.0100.01016.55
7.4.50.0030.00616.51
7.4.40.0070.01416.45
7.4.30.0150.01216.67
7.4.00.0070.01015.08
7.3.330.0040.00413.30
7.3.320.0000.00513.51
7.3.310.0000.00816.38
7.3.300.0030.00316.49
7.3.290.0120.00316.50
7.3.280.0060.01216.46
7.3.270.0130.00717.40
7.3.260.0120.00616.48
7.3.250.0100.01016.64
7.3.240.0120.00916.71
7.3.230.0060.01216.58
7.3.210.0120.00616.67
7.3.200.0050.01419.39
7.3.190.0060.01216.73
7.3.180.0060.01216.49
7.3.170.0090.00816.49
7.3.160.0080.00916.73
7.3.120.0030.01714.90
7.3.110.0040.01515.13
7.3.100.0100.01014.55
7.3.90.0100.00715.13
7.3.80.0090.00314.70
7.3.70.0070.00714.74
7.3.60.0060.00614.86
7.3.50.0030.01015.02
7.3.40.0070.00714.86
7.3.30.0030.00914.88
7.3.20.0030.00916.86
7.3.10.0100.00316.64
7.3.00.0080.00816.28
7.2.330.0120.00816.93
7.2.320.0120.01216.86
7.2.310.0110.00716.82
7.2.300.0120.00916.48
7.2.290.0120.00616.95
7.2.250.0070.01015.06
7.2.240.0150.00414.95
7.2.230.0130.00614.80
7.2.220.0070.00715.31
7.2.210.0000.01415.25
7.2.200.0000.01414.75
7.2.190.0000.01314.98
7.2.180.0090.00314.95
7.2.170.0040.00714.99
7.2.160.0040.01415.04
7.2.150.0030.00716.84
7.2.140.0030.01416.92
7.2.130.0100.00516.64
7.2.120.0050.00916.88
7.2.110.0090.00516.81
7.2.100.0090.00816.75
7.2.90.0050.01016.81
7.2.80.0050.01016.89
7.2.70.0090.00917.00
7.2.60.0090.00616.88
7.2.50.0000.01416.92
7.2.40.0090.00916.83
7.2.30.0060.00916.78
7.2.20.0050.00916.84
7.2.10.0090.00716.74
7.2.00.0100.00717.66
7.1.330.0030.01315.85
7.1.320.0040.01115.63
7.1.310.0070.00715.73
7.1.300.0060.00915.79
7.1.290.0000.01115.71
7.1.280.0060.00615.75
7.1.270.0030.00715.84
7.1.260.0030.01015.53
7.1.250.0090.00715.66
7.1.240.0070.01115.47
7.1.230.0080.00615.64
7.1.220.0090.00715.54
7.1.210.0050.01015.67
7.1.200.0100.00415.70
7.1.190.0050.01115.67
7.1.180.0060.00915.63
7.1.170.0070.00815.86
7.1.160.0060.00715.67
7.1.150.0050.00715.58
7.1.140.0030.01015.79
7.1.130.0080.00715.57
7.1.120.0040.00915.56
7.1.110.0080.00715.46
7.1.100.0090.00816.75
7.1.90.0070.00815.60
7.1.80.0060.00615.74
7.1.70.0110.00716.16
7.1.60.0050.01016.94
7.1.50.0130.01016.18
7.1.40.0100.00415.58
7.1.30.0120.00515.69
7.1.20.0090.00915.80
7.1.10.0050.01315.76
7.1.00.0080.02617.83
7.0.330.0080.00615.21
7.0.320.0080.00615.18
7.0.310.0050.00915.27
7.0.300.0060.00815.46
7.0.290.0060.00815.48
7.0.280.0090.00515.47
7.0.270.0100.00515.36
7.0.260.0070.00815.35
7.0.250.0090.00415.38
7.0.240.0090.00715.43
7.0.230.0080.00515.52
7.0.220.0000.01215.33
7.0.210.0050.01015.46
7.0.200.0090.00515.77
7.0.190.0050.01015.34
7.0.180.0090.00715.31
7.0.170.0050.00915.41
7.0.160.0030.01415.38
7.0.150.0060.01115.27
7.0.140.0070.03117.71
7.0.130.0120.00615.38
7.0.120.0040.01115.27
7.0.110.0070.00715.29
7.0.100.0050.00815.34
7.0.90.0060.00815.32
7.0.80.0030.01015.28
7.0.70.0070.01015.42
7.0.60.0070.03416.90
7.0.50.0080.02016.14
7.0.40.0090.02515.56
7.0.30.0130.02115.73
7.0.20.0160.02315.56
7.0.10.0070.03115.70
7.0.00.0060.02115.65
5.6.400.0030.00814.44
5.6.390.0000.01714.25
5.6.380.0090.00614.54
5.6.370.0050.01414.33
5.6.360.0070.00814.22
5.6.350.0050.01114.42
5.6.340.0090.00414.43
5.6.330.0030.01014.41
5.6.320.0090.00814.56
5.6.310.0080.00814.35
5.6.300.0060.00914.57
5.6.290.0050.00914.43
5.6.280.0020.03316.71
5.6.270.0070.00714.52
5.6.260.0050.00914.31
5.6.250.0080.00514.52
5.6.240.0100.00314.20
5.6.230.0030.01114.29
5.6.220.0050.00814.18
5.6.210.0080.03316.38
5.6.200.0090.02315.54
5.6.190.0050.02716.33
5.6.180.0160.02316.46
5.6.170.0150.03116.48
5.6.160.0040.03516.47
5.6.150.0000.02415.52
5.6.140.0060.03115.50
5.6.130.0040.02015.66
5.6.120.0100.02916.51
5.6.110.0050.03416.57
5.6.100.0080.02616.58
5.6.90.0070.03316.46
5.6.80.0080.03016.37
5.6.70.0040.01114.22
5.6.60.0080.00314.44
5.6.50.0070.00914.24
5.6.40.0020.01214.41
5.6.30.0070.00814.33
5.6.20.0110.00414.21
5.6.10.0080.00914.10
5.6.00.0060.00514.34
5.5.380.0030.00912.89
5.5.370.0070.00512.82
5.5.360.0050.00612.93
5.5.350.0040.01915.23
5.5.340.0050.03114.54
5.5.330.0090.02015.29
5.5.320.0130.02415.31
5.5.310.0070.02115.34
5.5.300.0080.03114.60
5.5.290.0050.02014.40
5.5.280.0090.02815.49
5.5.270.0080.03515.43
5.5.260.0060.02915.42
5.5.250.0100.02615.39
5.5.240.0090.02015.15
5.5.230.0080.00612.76
5.5.220.0040.00812.79
5.5.210.0090.00512.71
5.5.200.0020.01312.79
5.5.190.0050.00912.81
5.5.180.0040.01012.50
5.5.170.0070.00812.65
5.5.160.0030.00512.66
5.5.150.0020.01312.76
5.5.140.0020.00912.71
5.5.130.0000.01212.65
5.5.120.0080.00312.70
5.5.110.0050.00312.72
5.5.100.0090.00512.56
5.5.90.0050.00612.70
5.5.80.0040.00612.63
5.5.70.0050.00812.60
5.5.60.0020.00912.60
5.5.50.0070.00512.64
5.5.40.0050.00712.53
5.5.30.0020.00912.60
5.5.20.0080.00312.81
5.5.10.0020.01412.57
5.5.00.0090.00612.77
5.4.450.0140.02314.02
5.4.440.0110.01813.75
5.4.430.0110.01714.15
5.4.420.0160.01613.96
5.4.410.0400.02013.93
5.4.400.0120.01413.89
5.4.390.0110.01813.79
5.4.380.0270.02813.44
5.4.370.0330.02213.59
5.4.360.0340.03213.57
5.4.350.0400.01513.61
5.4.340.0290.02013.55
5.4.330.0030.00711.09
5.4.320.0050.01711.47
5.4.310.0070.01811.47
5.4.300.0020.02111.55
5.4.290.0060.01811.66
5.4.280.0060.01511.56
5.4.270.0050.02511.53
5.4.260.0070.02311.65
5.4.250.0040.03411.63
5.4.240.0070.04211.60
5.4.230.0030.02911.47
5.4.220.0060.02411.40
5.4.210.0040.01811.37
5.4.200.0040.02011.46
5.4.190.0060.02311.63
5.4.180.0040.01811.54
5.4.170.0050.01911.55
5.4.160.0040.02011.58
5.4.150.0040.02511.47
5.4.140.0060.02711.32
5.4.130.0060.02011.54
5.4.120.0050.02411.43
5.4.110.0050.02011.43
5.4.100.0050.02111.39
5.4.90.0060.01811.44
5.4.80.0040.01711.33
5.4.70.0040.01711.45
5.4.60.0060.01611.50
5.4.50.0030.01811.53
5.4.40.0070.01311.51
5.4.30.0040.01911.44
5.4.20.0040.01811.44
5.4.10.0050.01711.51
5.4.00.0060.01611.25
5.3.290.0040.02411.85
5.3.280.0030.02711.82
5.3.270.0090.01811.82
5.3.260.0060.02511.82
5.3.250.0060.02311.82
5.3.240.0040.02411.82
5.3.230.0060.02011.81
5.3.220.0060.02111.80
5.3.210.0060.02311.80
5.3.200.0060.02211.80
5.3.190.0040.02911.81
5.3.180.0050.02811.80
5.3.170.0060.01911.80
5.3.160.0030.02211.80
5.3.150.0060.02211.80
5.3.140.0060.02211.79
5.3.130.0050.02611.79
5.3.120.0090.02111.79
5.3.110.0040.02311.79
5.3.100.0040.02311.53
5.3.90.0020.02511.53
5.3.80.0070.02011.52
5.3.70.0080.01911.52
5.3.60.0060.02211.51
5.3.50.0040.02211.48
5.3.40.0050.02411.48
5.3.30.0050.02311.46
5.3.20.0040.02211.35
5.3.10.0060.02111.34
5.3.00.0050.02411.33
5.2.170.0060.01710.09
5.2.160.0020.02010.09
5.2.150.0040.02410.09
5.2.140.0030.02410.09
5.2.130.0060.02410.07
5.2.120.0090.02210.07
5.2.110.0070.02410.08
5.2.100.0040.02710.07
5.2.90.0070.01810.07
5.2.80.0070.02410.07
5.2.70.0040.02210.07
5.2.60.0040.02010.05
5.2.50.0020.02210.03
5.2.40.0060.02110.02
5.2.30.0070.01410.01
5.2.20.0020.02310.00
5.2.10.0090.0309.96
5.2.00.0090.0259.90
5.1.60.0070.0259.54
5.1.50.0070.0269.54
5.1.40.0060.0219.53
5.1.30.0060.0269.71
5.1.20.0050.0199.72
5.1.10.0060.0189.58
5.1.00.0040.0229.58
5.0.50.0040.0188.83
5.0.40.0050.0148.76
5.0.30.0030.0228.66
5.0.20.0030.0158.64
5.0.10.0030.0178.63
5.0.00.0050.0228.63
4.4.90.0050.0127.84
4.4.80.0040.0137.83
4.4.70.0040.0137.83
4.4.60.0020.0157.83
4.4.50.0020.0127.84
4.4.40.0020.0187.83
4.4.30.0040.0137.83
4.4.20.0030.0167.87
4.4.10.0040.0207.88
4.4.00.0020.0407.85
4.3.110.0040.0167.80
4.3.100.0050.0167.79
4.3.90.0020.0167.78
4.3.80.0030.0257.78
4.3.70.0020.0157.77
4.3.60.0030.0177.78
4.3.50.0060.0147.78
4.3.40.0040.0207.75
4.3.30.0040.0147.16
4.3.20.0020.0197.15
4.3.10.0030.0117.12
4.3.00.0100.01213.40

preferences:
49.34 ms | 401 KiB | 5 Q