3v4l.org

run code in 300+ PHP versions simultaneously
<?php $digits = array(0,1,2,3,4,5,6,7,7,8,9,'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'); $base = count($digits); function enc($val) { $str = ''; if (0 === $val) { return '0'; } if (0 > $val) { $str = '-'; $val = -$val; } $digits = $GLOBALS['digits']; $base = $GLOBALS['base']; while (0 < $val) { $str .= $digits[$val % $base]; $val = (int)($val / $base); } return $str; } function gdr_encode($val) { $bin = ''; while ($val > 0) { $bin .= chr($val & 0xFF); $val >>= 8; } return str_replace(array('/', '='), array('_', ''), base64_encode($bin)); } function gdr_decode($str) { $bin = base64_decode(str_replace('_', '/', $str)); $val = 0; for ($i=strlen($bin)-1; $i>=0; $i--) { $val |= ord($bin[$i]) << $i*8; } return $val; } if (!function_exists('json_encode')) { // crappy json_encode function that can handle our narrow input function json_encode($val) { if (is_string($val)) { return "\"$val\""; } if (is_int($val)) { return strval($val); } return "???"; } } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 4294967295, 4294967296); foreach ($vals as $val) { $enc = json_encode(gdr_encode($val)); $dec = json_encode(gdr_decode($enc)); $val = json_encode($val); $enc2 = json_encode(enc($val)); if (strlen($enc) > strlen($val)) { echo "$enc $val $enc2 WORSE\n"; } else if (strlen($enc) == strlen($val)) { echo "$enc $val $enc2 EQUAL\n"; } else { echo "$enc $val $enc2\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)
8.3.70.0120.00316.63
8.3.60.0110.00716.50
8.3.50.0090.01523.02
8.3.40.0150.00018.98
8.3.30.0140.00019.13
8.3.20.0040.00420.30
8.3.10.0030.00521.57
8.3.00.0080.00017.59
8.2.180.0090.01218.00
8.2.170.0040.01122.96
8.2.160.0100.00320.41
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0000.00821.07
8.2.110.0030.00620.92
8.2.100.0030.00917.94
8.2.90.0060.00317.84
8.2.80.0060.00317.97
8.2.70.0030.00517.63
8.2.60.0050.00317.90
8.2.50.0030.00618.07
8.2.40.0060.00318.28
8.2.30.0050.00318.18
8.2.20.0050.00317.80
8.2.10.0030.00618.18
8.2.00.0020.00517.80
8.1.280.0150.00025.92
8.1.270.0060.00323.87
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00322.52
8.1.230.0110.00021.04
8.1.220.0040.00417.74
8.1.210.0000.00818.93
8.1.200.0030.00617.47
8.1.190.0090.00017.35
8.1.180.0040.00418.10
8.1.170.0000.00918.62
8.1.160.0000.00722.08
8.1.150.0000.00718.95
8.1.140.0070.00017.50
8.1.130.0000.00717.84
8.1.120.0050.00217.53
8.1.110.0000.00817.52
8.1.100.0000.00717.50
8.1.90.0040.00417.52
8.1.80.0000.00717.41
8.1.70.0060.00317.49
8.1.60.0090.00017.61
8.1.50.0030.00517.52
8.1.40.0040.00417.47
8.1.30.0060.00617.70
8.1.20.0030.00617.61
8.1.10.0000.00817.65
8.1.00.0040.00417.53
8.0.300.0040.00420.16
8.0.290.0070.00016.88
8.0.280.0040.00418.47
8.0.270.0080.00017.33
8.0.260.0000.00817.35
8.0.250.0000.00717.05
8.0.240.0050.00317.02
8.0.230.0000.00716.96
8.0.220.0030.00316.95
8.0.210.0000.00717.00
8.0.200.0030.00316.90
8.0.190.0000.00717.05
8.0.180.0000.00816.93
8.0.170.0070.00016.97
8.0.160.0000.00717.07
8.0.150.0040.00416.79
8.0.140.0050.00316.89
8.0.130.0030.00313.39
8.0.120.0040.00416.92
8.0.110.0040.00416.89
8.0.100.0000.00816.78
8.0.90.0040.00316.91
8.0.80.0080.01216.91
8.0.70.0070.00016.89
8.0.60.0040.00416.75
8.0.50.0000.00817.02
8.0.30.0120.00916.96
8.0.20.0090.01017.40
8.0.10.0000.00717.05
8.0.00.0070.01316.77
7.4.330.0060.00015.08
7.4.320.0070.00016.55
7.4.300.0040.00416.45
7.4.290.0040.00416.56
7.4.280.0040.00416.55
7.4.270.0030.00316.70
7.4.260.0070.00316.68
7.4.250.0000.00716.48
7.4.240.0060.00216.63
7.4.230.0070.00016.57
7.4.220.0120.00616.54
7.4.210.0100.00716.68
7.4.200.0000.00716.73
7.4.160.0030.01316.30
7.4.150.0070.01417.40
7.4.140.0090.00917.86
7.4.130.0110.00816.68
7.4.120.0090.00816.55
7.4.110.0110.00516.68
7.4.100.0080.00916.54
7.4.90.0070.01116.49
7.4.80.0160.00419.39
7.4.70.0140.00816.40
7.4.60.0110.00716.61
7.4.50.0040.00416.55
7.4.40.0090.01216.42
7.4.30.0100.00716.54
7.4.10.0090.00914.93
7.4.00.0050.00814.91
7.3.330.0050.00013.23
7.3.320.0000.00513.39
7.3.310.0000.00616.38
7.3.300.0030.00316.40
7.3.290.0060.01116.33
7.3.280.0080.01016.39
7.3.270.0100.01317.40
7.3.260.0090.00816.43
7.3.250.0090.00816.68
7.3.240.0060.01116.68
7.3.230.0060.01216.70
7.3.210.0170.00016.52
7.3.200.0130.01019.39
7.3.190.0090.01216.35
7.3.180.0130.01016.43
7.3.170.0090.01316.41
7.3.160.0110.00716.43
7.3.130.0060.00614.87
7.3.120.0040.01215.10
7.3.110.0070.00914.84
7.3.100.0060.01015.04
7.3.90.0050.01214.84
7.3.80.0060.00714.84
7.3.70.0080.00314.88
7.3.60.0020.01214.70
7.3.50.0040.01214.97
7.3.40.0050.00914.96
7.3.30.0080.00714.84
7.3.20.0060.00816.65
7.3.10.0100.00516.51
7.3.00.0060.00916.57
7.2.330.0110.00716.77
7.2.320.0110.00516.84
7.2.310.0000.01916.54
7.2.300.0080.00816.84
7.2.290.0100.00616.54
7.2.260.0040.01515.02
7.2.250.0140.00315.29
7.2.240.0100.00315.09
7.2.230.0080.00715.02
7.2.220.0080.00715.12
7.2.210.0060.00815.30
7.2.200.0030.01115.09
7.2.190.0020.01015.08
7.2.180.0080.00715.06
7.2.170.0060.01015.08
7.2.160.0050.00915.05
7.2.150.0070.00816.82
7.2.140.0050.01216.85
7.2.130.0080.00916.79
7.2.120.0070.00916.63
7.2.110.0060.01116.63
7.2.100.0090.00816.68
7.2.90.0070.00916.83
7.2.80.0060.00916.77
7.2.70.0040.01316.90
7.2.60.0050.01016.72
7.2.50.0100.00416.98
7.2.40.0050.01216.70
7.2.30.0070.01016.83
7.2.20.0100.00616.74
7.2.10.0090.00816.85
7.2.00.0080.00817.40
7.1.330.0080.00715.62
7.1.320.0060.01015.60
7.1.310.0050.00715.74
7.1.300.0060.00715.87
7.1.290.0030.01215.75
7.1.280.0000.01415.68
7.1.270.0050.00715.58
7.1.260.0070.01015.84
7.1.250.0060.00715.76
7.1.240.0040.01015.79
7.1.230.0070.01115.68
7.1.220.0110.00715.86
7.1.210.0060.00616.06
7.1.200.0040.01115.93
7.1.190.0030.00715.93
7.1.180.0030.01016.03
7.1.170.0090.00315.75
7.1.160.0000.01315.96
7.1.150.0030.01015.89
7.1.140.0100.00315.84
7.1.130.0040.00815.79
7.1.120.0040.00815.96
7.1.110.0000.00915.74
7.1.100.0050.01117.06
7.1.90.0080.00415.92
7.1.80.0040.00715.78
7.1.70.0020.01116.53
7.1.60.0160.00517.68
7.1.50.0130.00816.37
7.1.40.0090.00615.81
7.1.30.0040.01115.62
7.1.20.0000.01215.95
7.1.10.0030.00615.53
7.1.00.0070.04119.10
7.0.330.0000.01215.25
7.0.320.0070.00715.47
7.0.310.0000.01215.47
7.0.300.0100.00315.38
7.0.290.0110.00715.40
7.0.280.0030.00715.43
7.0.270.0090.00315.47
7.0.260.0070.00715.48
7.0.250.0120.00615.41
7.0.240.0030.01015.55
7.0.230.0070.00715.40
7.0.220.0100.00715.63
7.0.210.0080.00315.39
7.0.200.0030.00716.03
7.0.190.0030.00615.44
7.0.180.0030.01015.27
7.0.170.0030.00915.30
7.0.160.0040.01115.58
7.0.150.0000.01215.45
7.0.140.0070.04018.71
7.0.130.0040.00415.29
7.0.120.0030.01015.56
7.0.110.0100.00315.50
7.0.100.0000.01115.60
7.0.90.0100.03717.71
7.0.80.0360.04717.73
7.0.70.0360.03817.68
7.0.60.0170.04217.68
7.0.50.0350.04618.01
7.0.40.0050.03416.68
7.0.30.0020.04816.76
7.0.20.0130.04216.69
7.0.10.0030.04016.74
7.0.00.0100.03816.72
5.6.400.0000.01714.59
5.6.390.0000.01514.40
5.6.380.0150.00314.59
5.6.370.0040.01114.42
5.6.360.0030.01014.68
5.6.350.0030.01614.29
5.6.340.0060.00614.43
5.6.330.0030.00714.49
5.6.320.0060.00914.50
5.6.310.0000.01214.35
5.6.300.0100.00714.35
5.6.290.0070.00714.66
5.6.280.0040.01214.49
5.6.270.0000.01314.39
5.6.260.0000.01014.40
5.6.250.0090.00014.25
5.6.240.0100.04317.53
5.6.230.0030.04517.53
5.6.220.0080.04017.49
5.6.210.0040.04317.52
5.6.200.0050.03017.77
5.6.190.0110.02117.79
5.6.180.0070.03917.82
5.6.170.0050.04717.73
5.6.160.0070.04817.73
5.6.150.0060.04517.72
5.6.140.0160.03217.92
5.6.130.0020.04417.74
5.6.120.0070.04217.70
5.6.110.0060.04617.92
5.6.100.0080.02017.72
5.6.90.0070.02717.77
5.6.80.0020.04717.41
5.6.70.0080.02817.39
5.6.60.0000.03917.31
5.6.50.0110.04317.48
5.6.40.0070.02317.33
5.6.30.0130.02917.54
5.6.20.0060.03117.24
5.6.10.0030.03817.38
5.6.00.0090.04417.37
5.5.380.0070.04417.57
5.5.370.0120.03517.48
5.5.360.0060.04117.32
5.5.350.0040.03217.47
5.5.340.0070.02317.65
5.5.330.0090.02217.83
5.5.320.0060.03817.47
5.5.310.0050.03717.66
5.5.300.0020.04117.51
5.5.290.0070.04517.84
5.5.280.0050.04017.47
5.5.270.0130.03317.57
5.5.260.0030.03317.37
5.5.250.0030.03017.54
5.5.240.0100.03017.26
5.5.230.0090.03617.28
5.5.220.0050.04617.31
5.5.210.0050.04817.28
5.5.200.0050.04017.31
5.5.190.0070.03817.35
5.5.180.0120.04017.30
5.5.170.0070.01014.48
5.5.160.0110.02617.29
5.5.150.0070.03717.39
5.5.140.0030.04917.26
5.5.130.0050.04317.37
5.5.120.0060.03117.41
5.5.110.0120.04217.26
5.5.100.0090.03417.27
5.5.90.0150.03717.28
5.5.80.0050.04517.31
5.5.70.0090.04417.30
5.5.60.0050.04217.10
5.5.50.0030.04417.19
5.5.40.0100.03117.23
5.5.30.0030.04717.11
5.5.20.0100.03717.05
5.5.10.0030.03317.34
5.5.00.0060.03117.25
5.4.450.0070.03215.14
5.4.440.0030.04715.27
5.4.430.0120.03815.26
5.4.420.0120.03415.35
5.4.410.0030.02215.31
5.4.400.0020.02815.11
5.4.390.0060.03815.14
5.4.380.0050.03915.19
5.4.370.0060.03315.17
5.4.360.0070.02515.24
5.4.350.0030.03215.09
5.4.340.0100.03914.94
5.4.330.0030.01211.13
5.4.320.0040.04615.18
5.4.310.0030.04215.07
5.4.300.0080.02115.05
5.4.290.0020.04515.07
5.4.280.0100.02515.17
5.4.270.0030.03715.14
5.4.260.0050.02515.23
5.4.250.0080.03115.12
5.4.240.0050.03815.10
5.4.230.0030.02815.06
5.4.220.0100.03514.97
5.4.210.0090.02014.92
5.4.200.0080.03115.10
5.4.190.0070.02715.21
5.4.180.0070.02815.03
5.4.170.0040.03315.19
5.4.160.0050.03714.90
5.4.150.0050.02515.18
5.4.140.0070.01813.64
5.4.130.0000.04513.80
5.4.120.0050.02613.79
5.4.110.0030.02113.78
5.4.100.0070.03713.83
5.4.90.0050.03613.83
5.4.80.0080.03813.89
5.4.70.0060.03613.74
5.4.60.0020.03913.65
5.4.50.0050.03813.65
5.4.40.0030.04213.81
5.4.30.0080.02313.83
5.4.20.0060.03513.71
5.4.10.0050.03713.85
5.4.00.0070.03713.41
5.3.290.0000.08014.80
5.3.280.0000.05014.68
5.3.270.0070.06714.73
5.3.260.0070.07714.78
5.3.250.0000.08014.65
5.3.240.0000.08014.71
5.3.230.0130.06714.75
5.3.220.0070.07714.73
5.3.210.0070.07014.57
5.3.200.0100.07014.73
5.3.190.0100.07014.71
5.3.180.0030.08014.68
5.3.170.0070.07714.62
5.3.160.0030.07714.63
5.3.150.0070.07314.65
5.3.140.0100.07014.55
5.3.130.0100.07714.68
5.3.120.0070.05714.61
5.3.110.0070.07314.71
5.3.100.0070.06014.18
5.3.90.0000.07713.97
5.3.80.0130.06714.07
5.3.70.0070.06714.16
5.3.60.0170.07014.04
5.3.50.0100.06713.87
5.3.40.0070.05013.97
5.3.30.0030.05714.00
5.3.20.0070.06713.79
5.3.10.0200.05013.69
5.3.00.0070.03313.72
5.2.170.0030.04011.16
5.2.160.0030.06011.04
5.2.150.0070.06011.09
5.2.140.0030.06011.22
5.2.130.0070.06010.99
5.2.120.0070.06011.20
5.2.110.0100.02311.15
5.2.100.0000.06711.06
5.2.90.0030.06311.07
5.2.80.0070.06011.21
5.2.70.0070.06311.26
5.2.60.0230.04311.02
5.2.50.0030.05011.20
5.2.40.0100.03311.05
5.2.30.0070.05710.90
5.2.20.0030.06010.92
5.2.10.0000.06011.01
5.2.00.0000.07310.79
5.1.60.0000.05710.04
5.1.50.0030.03710.13
5.1.40.0000.05710.13
5.1.30.0000.04710.29
5.1.20.0000.03010.44
5.1.10.0030.03310.10
5.1.00.0070.05310.18
5.0.50.0070.0408.43
5.0.40.0070.0408.52
5.0.30.0000.0338.11
5.0.20.0130.0338.25
5.0.10.0000.0238.22
5.0.00.0070.0638.20
4.4.90.0000.0337.88
4.4.80.0030.0307.88
4.4.70.0070.0307.88
4.4.60.0030.0277.88
4.4.50.0070.0137.88
4.4.40.0000.0577.88
4.4.30.0000.0377.88
4.4.20.0000.0307.88
4.4.10.0000.0307.88
4.4.00.0000.0377.88
4.3.110.0000.0307.88
4.3.100.0070.0207.88
4.3.90.0030.0307.88
4.3.80.0000.0537.88
4.3.70.0000.0207.88
4.3.60.0000.0307.88
4.3.50.0030.0207.88
4.3.40.0000.0277.88
4.3.30.0030.0237.88
4.3.20.0000.0237.88
4.3.10.0030.0377.88
4.3.00.0000.0407.88

preferences:
52.25 ms | 401 KiB | 5 Q