3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Unicode/multibyte capable equivelant of ord(). function charCodeAt($a, $b) { $a = mb_convert_encoding($a,"UCS-4BE","UTF-8"); $c = unpack("N", mb_substr($a,$b,1,"UCS-4BE")); return $c[1]; } // strToNum - Convert a string into a 32-bit integer. function strToNum ($str, $c, $k) { $Int32U = 4294967296; // 2^32 for ($i = 0; $i < mb_strlen($str); $i++) { $c *= $k; if (PHP_INT_MAX != 0x0000000080000000) { // 2147483647 $c = -(~($c & 0x00000000FFFFFFFF) + 1); } if ($c >= $Int32U) { $c = $c - ($Int32U * (int) ($c / $Int32U)); // if $c is less than -2^31 $c = ($c < 0x0000000080000000) ? ($c + $Int32U) : $c; } $c += charCodeAt($str, $i); } return $c; } function string_inthash($str) { $a = (int)preg_replace('#[^0-9]#u', '', sha1($str)) * (int)date('YmdHis'); if (PHP_INT_MAX != 0x0000000080000000) { // 2147483647 $a = -(~($a & 0x00000000FFFFFFFF) + 1); } return (int)$a; } $str = 'secret'; echo strToNum($str, 0x1505, 0x21); /* $a = date('YmdHi'); $b = 'secret'; $bb = sha1($b); $bc = preg_replace('#[^0-9]#u', '', $bb); $bd = (int)$bc - (int)$a; $c = "{$b}|{$a}"; $d = base64_encode($c); $e = base64_decode($d); echo $a . PHP_EOL; echo $b . PHP_EOL; echo $bb . PHP_EOL; echo $bc . PHP_EOL; echo $bd . PHP_EOL; echo $c . PHP_EOL; echo $d . PHP_EOL; echo $e . PHP_EOL; */

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)
8.3.60.0100.01018.68
8.3.50.0140.00221.14
8.3.40.0140.00718.76
8.3.30.0100.00720.39
8.3.20.0070.00020.29
8.3.10.0080.00021.13
8.3.00.0000.00722.33
8.2.180.0160.00316.75
8.2.170.0160.00022.96
8.2.160.0070.00722.11
8.2.150.0040.00425.66
8.2.140.0050.00324.66
8.2.130.0050.00226.16
8.2.120.0040.00420.81
8.2.110.0050.00519.15
8.2.100.0060.00817.91
8.2.90.0040.00419.30
8.2.80.0040.00418.16
8.2.70.0030.00517.75
8.2.60.0080.00318.05
8.2.50.0030.00618.07
8.2.40.0080.00018.16
8.2.30.0080.00019.45
8.2.20.0050.00317.79
8.2.10.0040.00417.90
8.2.00.0000.00817.78
8.1.280.0110.00425.92
8.1.270.0080.00023.99
8.1.260.0120.00326.35
8.1.250.0050.00328.09
8.1.240.0040.00423.88
8.1.230.0080.00320.97
8.1.220.0030.00518.77
8.1.210.0030.00520.77
8.1.200.0050.00517.36
8.1.190.0040.00417.52
8.1.180.0040.00418.10
8.1.170.0040.00418.66
8.1.160.0000.00718.91
8.1.150.0070.00318.55
8.1.140.0050.00317.47
8.1.130.0070.00017.76
8.1.120.0030.00617.50
8.1.110.0040.00417.50
8.1.100.0000.00817.52
8.1.90.0020.00517.40
8.1.80.0050.00217.52
8.1.70.0040.00417.38
8.1.60.0000.00817.69
8.1.50.0000.00817.64
8.1.40.0040.00417.52
8.1.30.0000.00817.75
8.1.20.0040.00417.66
8.1.10.0030.00617.68
8.1.00.0040.00417.49
8.0.300.0000.00720.05
8.0.290.0070.00017.29
8.0.280.0050.00218.46
8.0.270.0070.00017.41
8.0.260.0000.00816.90
8.0.250.0070.00017.13
8.0.240.0030.00517.09
8.0.230.0080.00017.00
8.0.220.0020.00517.06
8.0.210.0000.00716.89
8.0.200.0050.00217.07
8.0.190.0000.00717.10
8.0.180.0060.00317.02
8.0.170.0050.00216.90
8.0.160.0040.00416.85
8.0.150.0070.00016.95
8.0.140.0040.00416.84
8.0.130.0060.00013.41
8.0.120.0000.00716.85
8.0.110.0040.00417.05
8.0.100.0000.00716.88
8.0.90.0050.00317.11
8.0.80.0100.00717.04
8.0.70.0040.00416.88
8.0.60.0050.00316.86
8.0.50.0000.00816.99
8.0.30.0110.01117.15
8.0.20.0090.01017.40
8.0.10.0040.00417.16
8.0.00.0090.00916.84
7.4.330.0000.00616.71
7.4.320.0000.00716.73
7.4.300.0000.00616.59
7.4.290.0070.00016.70
7.4.280.0000.00716.64
7.4.270.0030.00316.75
7.4.260.0060.00013.39
7.4.250.0030.00316.67
7.4.240.0030.00316.57
7.4.230.0050.00316.63
7.4.220.0120.00616.66
7.4.210.0060.01116.64
7.4.200.0030.00516.53
7.4.190.0030.00316.79
7.4.160.0160.00016.79
7.4.150.0100.00717.40
7.4.140.0050.01217.86
7.4.130.0050.01216.72
7.4.120.0100.00716.65
7.4.110.0070.01016.61
7.4.100.0120.00916.71
7.4.90.0140.00416.71
7.4.80.0070.01019.39
7.4.70.0060.01116.69
7.4.60.0090.00616.51
7.4.50.0000.00816.47
7.4.40.0100.00722.77
7.4.30.0030.01916.66
7.4.00.0070.00715.08
7.3.330.0030.00213.39
7.3.320.0050.00313.46
7.3.310.0000.00816.41
7.3.300.0040.00416.53
7.3.290.0060.00916.53
7.3.280.0070.00916.53
7.3.270.0120.00617.40
7.3.260.0100.00918.24
7.3.250.0080.00816.38
7.3.240.0130.01016.45
7.3.230.0100.00716.45
7.3.210.0090.00816.62
7.3.200.0200.00319.39
7.3.190.0120.00616.58
7.3.180.0130.00816.68
7.3.170.0160.00616.59
7.3.160.0160.00016.59
7.3.120.0080.00414.77
7.3.10.0030.00916.77
7.3.00.0030.01116.87
7.2.330.0130.01016.54
7.2.320.0060.01216.71
7.2.310.0070.01816.55
7.2.300.0060.01016.84
7.2.290.0140.00416.81
7.2.130.0050.00716.93
7.2.120.0080.00616.89
7.2.110.0060.00816.95
7.2.100.0100.00417.13
7.2.90.0080.00516.90
7.2.80.0080.00416.83
7.2.70.0050.00816.95
7.2.60.0050.00916.88
7.2.50.0040.01016.88
7.2.40.0040.00916.97
7.2.30.0070.00616.94
7.2.20.0050.01116.89
7.2.10.0080.00616.97
7.2.00.0040.00917.96
7.1.250.0080.00515.78
7.1.200.0060.00316.02
7.1.100.0030.00618.23
7.1.70.0070.00017.03
7.1.60.0120.00619.17
7.1.50.0150.00716.75
7.1.00.0030.04322.44
7.0.200.0030.00516.84
7.0.140.0030.07321.93
7.0.100.0000.08321.97
7.0.90.0030.08721.69
7.0.80.0030.08321.82
7.0.70.0030.07721.61
7.0.60.0030.04721.77
7.0.50.0030.08322.05
7.0.40.0000.05020.15
7.0.30.0000.06020.09
7.0.20.0100.06720.03
7.0.10.0030.08320.09
7.0.00.0030.08319.95
5.6.280.0000.07721.03
5.6.250.0000.07720.70
5.6.240.0000.04720.64
5.6.230.0070.07720.68
5.6.220.0170.07320.59
5.6.210.0000.08720.46
5.6.200.0100.07720.95
5.6.190.0030.08021.12
5.6.180.0030.04721.09
5.6.170.0030.08321.11
5.6.160.0070.07320.95
5.6.150.0030.08720.94
5.6.140.0030.04721.18
5.6.130.0000.09020.96
5.6.120.0070.07720.96
5.6.110.0030.05021.01
5.6.100.0130.07021.04
5.6.90.0030.05321.01
5.6.80.0030.07720.43
5.6.70.0100.07320.45
5.6.60.0030.04720.39
5.6.50.0100.05320.45
5.6.40.0070.06320.46
5.6.30.0130.06020.39
5.6.20.0000.04320.32
5.6.10.0100.03720.53
5.6.00.0070.03720.38
5.5.380.0100.07320.40
5.5.370.0070.05320.43
5.5.360.0030.07720.42
5.5.350.0070.08020.46
5.5.340.0030.05320.81
5.5.330.0070.04320.86
5.5.320.0070.08020.89
5.5.310.0000.05020.78
5.5.300.0100.07320.79
5.5.290.0030.09020.93
5.5.280.0030.08720.65
5.5.270.0170.06320.76
5.5.260.0070.05020.76
5.5.250.0030.05320.68
5.5.240.0000.04720.15
5.5.230.0030.04720.03
5.5.220.0100.06320.12
5.5.210.0000.04720.27
5.5.200.0000.08320.28
5.5.190.0030.05020.23
5.5.180.0030.08020.28
5.5.160.0030.07020.21
5.5.150.0070.07320.27
5.5.140.0070.06720.24
5.5.130.0000.08320.15
5.5.120.0070.07320.24
5.5.110.0100.07720.00
5.5.100.0070.07720.17
5.5.90.0100.07320.16
5.5.80.0070.07720.17
5.5.70.0100.07020.04
5.5.60.0000.08320.09
5.5.50.0100.07320.09
5.5.40.0030.08019.93
5.5.30.0030.07720.08
5.5.20.0030.05320.14
5.5.10.0030.04020.12
5.5.00.0030.03320.06
5.4.450.0070.07719.25
5.4.440.0030.07719.45
5.4.430.0030.04319.50
5.4.420.0030.07319.36
5.4.410.0030.07719.36
5.4.400.0070.06719.10
5.4.390.0030.07019.16
5.4.380.0070.04018.85
5.4.370.0030.05319.21
5.4.360.0000.07719.16
5.4.350.0100.05019.14
5.4.340.0000.08019.14
5.4.320.0070.07718.88
5.4.310.0030.07319.14
5.4.300.0000.04019.07
5.4.290.0100.06319.20
5.4.280.0030.05718.85
5.4.270.0030.08019.14
5.4.260.0000.07719.03
5.4.250.0130.07018.87
5.4.240.0070.07019.04
5.4.230.0100.07018.84
5.4.220.0030.07719.09
5.4.210.0070.06319.12
5.4.200.0030.06018.85
5.4.190.0000.03718.90
5.4.180.0030.04018.89
5.4.170.0000.03319.17
5.4.160.0000.05319.02
5.4.150.0000.04019.21
5.4.140.0030.03016.39
5.4.130.0000.03716.48
5.4.120.0030.03316.53
5.4.110.0000.03716.48
5.4.100.0070.03016.34
5.4.90.0070.04016.45
5.4.80.0070.06016.46
5.4.70.0030.03316.50
5.4.60.0000.07716.25
5.4.50.0130.02716.46
5.4.40.0000.07016.39
5.4.30.0070.05716.41
5.4.20.0030.05716.43
5.4.10.0030.03716.46
5.4.00.0030.04015.63
5.3.290.0000.04314.70
5.3.280.0000.06714.57
5.3.270.0100.02714.71
5.3.260.0000.05014.65
5.3.250.0000.04314.75
5.3.240.0030.04314.68
5.3.230.0030.05314.73
5.3.220.0070.03314.59
5.3.210.0000.04014.63
5.3.200.0000.03714.59
5.3.190.0030.03714.57
5.3.180.0030.05014.68
5.3.170.0030.05714.63
5.3.160.0000.06014.50
5.3.150.0070.07014.54
5.3.140.0000.07714.68
5.3.130.0000.04314.49
5.3.120.0030.03714.55
5.3.110.0000.04014.65
5.3.100.0000.03714.03
5.3.90.0000.03714.04
5.3.80.0000.05714.12
5.3.70.0000.07314.13
5.3.60.0000.05014.13
5.3.50.0000.04013.98
5.3.40.0000.03713.97
5.3.30.0000.03714.04
5.3.20.0000.03313.77
5.3.10.0030.03013.79
5.3.00.0000.03313.73
5.2.170.0000.03311.19
5.2.160.0000.03011.01
5.2.150.0000.03011.01
5.2.140.0030.02711.05
5.2.130.0000.02711.10
5.2.120.0030.02711.03
5.2.110.0000.03011.13
5.2.100.0030.02711.12
5.2.90.0070.02311.25
5.2.80.0030.02711.02
5.2.70.0000.02711.11
5.2.60.0030.03010.97
5.2.50.0030.03311.14
5.2.40.0000.03010.92
5.2.30.0000.03710.88
5.2.20.0030.02710.98
5.2.10.0000.02710.80
5.2.00.0030.02710.65
5.1.60.0000.0279.84
5.1.50.0030.02010.07
5.1.40.0000.02310.05
5.1.30.0030.03310.30
5.1.20.0030.02310.45
5.1.10.0000.0239.91
5.1.00.0000.0279.92
5.0.50.0000.0179.13
5.0.40.0030.0279.13
5.0.30.0000.0309.13
5.0.20.0000.0209.13
5.0.10.0030.0179.13
5.0.00.0000.0609.13
4.4.90.0030.0139.13
4.4.80.0000.0179.13
4.4.70.0000.0139.13
4.4.60.0000.0139.13
4.4.50.0000.0139.13
4.4.40.0000.0209.13
4.4.30.0000.0139.13
4.4.20.0000.0139.13
4.4.10.0030.0139.13
4.4.00.0000.0239.13
4.3.110.0000.0139.13
4.3.100.0030.0179.13
4.3.90.0000.0139.13
4.3.80.0030.0509.13
4.3.70.0000.0339.13
4.3.60.0000.0379.13
4.3.50.0000.0309.13
4.3.40.0000.0339.13
4.3.30.0030.0279.13
4.3.20.0000.0409.13
4.3.10.0000.0379.13
4.3.00.0030.0379.13

preferences:
42.87 ms | 401 KiB | 5 Q