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) { $int32unit = 4294967296; // 2^32 for ($i=0; $i<strlen($str); $i++) { $c *= $k; if ($c >= $int32unit) { $c = ($c - $int32unit * (int)($c / $int32unit)); if (PHP_INT_MAX != 0x0000000080000000) { // 2147483647 $c = -(~($c & 0x00000000FFFFFFFF) + 1); } // if $c is less than -2^31 $c = ($c < 0x0000000080000000) ? ($c + $int32unit) : $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)
8.3.60.0120.00618.68
8.3.50.0070.00921.14
8.3.40.0090.00618.79
8.3.30.0060.00920.34
8.3.20.0030.00620.00
8.3.10.0040.00421.22
8.3.00.0040.00422.34
8.2.180.0150.00616.75
8.2.170.0140.00322.96
8.2.160.0130.00021.99
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0050.00226.16
8.2.120.0080.00020.60
8.2.110.0000.00819.39
8.2.100.0060.00617.91
8.2.90.0050.00319.16
8.2.80.0030.00618.16
8.2.70.0090.00017.72
8.2.60.0060.00318.16
8.2.50.0060.00318.07
8.2.40.0080.00018.21
8.2.30.0040.00419.52
8.2.20.0030.00517.94
8.2.10.0000.00817.92
8.2.00.0050.00517.96
8.1.280.0060.00925.92
8.1.270.0040.00423.99
8.1.260.0070.01026.35
8.1.250.0140.00328.09
8.1.240.0030.00723.79
8.1.230.0080.00420.95
8.1.220.0090.00018.77
8.1.210.0040.00419.10
8.1.200.0000.00917.36
8.1.190.0030.00617.63
8.1.180.0040.00418.10
8.1.170.0030.00518.71
8.1.160.0020.00518.92
8.1.150.0040.00418.65
8.1.140.0000.00717.36
8.1.130.0070.00017.90
8.1.120.0050.00517.51
8.1.110.0020.00517.45
8.1.100.0070.00017.55
8.1.90.0030.00417.47
8.1.80.0000.00817.63
8.1.70.0030.00317.56
8.1.60.0000.00817.57
8.1.50.0050.00217.58
8.1.40.0000.00817.52
8.1.30.0000.00817.69
8.1.20.0040.00417.75
8.1.10.0050.00317.63
8.1.00.0050.00317.59
8.0.300.0060.00320.15
8.0.290.0030.00517.28
8.0.280.0000.00818.45
8.0.270.0000.00717.36
8.0.260.0040.00416.98
8.0.250.0060.00317.10
8.0.240.0000.00817.00
8.0.230.0000.00717.13
8.0.220.0060.00017.06
8.0.210.0000.00717.00
8.0.200.0000.00617.13
8.0.190.0000.00717.09
8.0.180.0040.00417.07
8.0.170.0040.00316.99
8.0.160.0070.00016.86
8.0.150.0000.00716.99
8.0.140.0080.00016.85
8.0.130.0030.00413.46
8.0.120.0040.00416.84
8.0.110.0000.00717.00
8.0.100.0070.00016.99
8.0.90.0000.00716.93
8.0.80.0100.01016.87
8.0.70.0040.00416.87
8.0.60.0000.00817.04
8.0.50.0040.00417.05
8.0.30.0050.01417.21
8.0.20.0150.00517.40
8.0.10.0040.00417.21
8.0.00.0120.00716.85
7.4.330.0030.00316.69
7.4.320.0030.00316.51
7.4.300.0030.00316.55
7.4.290.0030.00316.62
7.4.280.0070.00016.60
7.4.270.0000.00716.61
7.4.260.0000.00513.27
7.4.250.0030.00516.59
7.4.240.0030.00516.71
7.4.230.0030.00316.68
7.4.220.0110.00716.68
7.4.210.0090.00516.61
7.4.200.0000.00716.75
7.4.190.0070.00016.50
7.4.160.0120.00416.44
7.4.150.0090.00917.40
7.4.140.0100.00717.86
7.4.130.0080.00816.54
7.4.120.0120.00616.61
7.4.110.0090.00916.60
7.4.100.0070.01716.50
7.4.90.0060.00916.55
7.4.80.0160.00619.39
7.4.70.0040.01416.39
7.4.60.0070.01016.59
7.4.50.0000.00816.59
7.4.40.0090.00622.77
7.4.30.0090.00616.64
7.4.00.0070.00714.91
7.3.330.0030.00313.30
7.3.320.0000.00513.33
7.3.310.0000.00816.36
7.3.300.0000.00716.52
7.3.290.0030.01016.58
7.3.280.0080.01016.47
7.3.270.0100.01017.40
7.3.260.0080.00918.24
7.3.250.0060.01116.48
7.3.240.0120.00616.67
7.3.230.0030.01316.59
7.3.210.0060.01016.53
7.3.200.0050.01019.39
7.3.190.0080.00816.60
7.3.180.0150.00016.35
7.3.170.0060.00916.42
7.3.160.0140.00316.58
7.3.120.0000.01315.04
7.3.00.0030.01016.77
7.2.330.0110.00816.78
7.2.320.0090.00916.84
7.2.310.0110.01416.85
7.2.300.0080.00916.88
7.2.290.0080.00916.77
7.2.130.0030.01017.12
7.2.120.0030.01017.05
7.2.110.0030.00616.96
7.2.100.0040.00417.21
7.2.90.0030.00917.05
7.2.80.0000.01516.97
7.2.70.0030.01416.68
7.2.60.0040.00716.99
7.2.50.0100.00317.09
7.2.40.0040.00816.97
7.2.30.0000.01117.07
7.2.20.0070.01017.02
7.2.10.0090.00616.87
7.2.00.0070.00518.11
7.1.250.0070.00715.86
7.1.240.0120.00015.90
7.1.230.0000.00815.94
7.1.220.0040.01215.78
7.1.210.0030.00815.75
7.1.200.0040.00415.97
7.1.190.0040.00815.63
7.1.180.0090.00415.60
7.1.170.0050.00515.80
7.1.160.0070.00715.90
7.1.150.0100.00315.99
7.1.140.0030.00615.86
7.1.130.0030.00716.00
7.1.120.0040.00715.68
7.1.110.0070.00716.04
7.1.100.0030.01017.08
7.1.90.0070.00315.59
7.1.80.0120.00315.86
7.1.70.0050.00516.49
7.1.60.0080.00517.60
7.1.50.0030.01316.41
7.1.40.0030.01015.90
7.1.30.0050.00315.86
7.1.20.0000.01315.98
7.1.10.0080.00315.61
7.1.00.0010.02119.02
7.0.330.0060.00315.31
7.0.320.0030.00615.29
7.0.310.0070.00015.42
7.0.300.0070.00415.43
7.0.290.0030.01315.02
7.0.280.0030.00615.40
7.0.270.0030.00615.14
7.0.260.0070.00715.22
7.0.250.0100.00315.49
7.0.240.0030.01015.34
7.0.230.0030.01015.39
7.0.220.0040.00415.61
7.0.210.0040.00415.44
7.0.200.0030.00716.11
7.0.190.0030.00615.30
7.0.180.0030.00615.11
7.0.170.0090.00315.11
7.0.160.0070.00715.34
7.0.150.0120.00315.33
7.0.140.0050.04018.57
7.0.130.0000.01215.39
7.0.120.0030.01015.36
7.0.110.0100.00315.26
7.0.100.0170.04317.69
7.0.90.0040.03717.65
7.0.80.0040.02617.60
7.0.70.0090.03117.61
7.0.60.0200.03817.64
7.0.50.0030.03017.96
7.0.40.0090.03416.79
7.0.30.0080.04516.79
7.0.20.0030.03816.64
7.0.10.0050.02316.81
7.0.00.0090.02516.70
5.6.380.0060.00614.25
5.6.370.0100.00614.35
5.6.360.0060.00914.40
5.6.350.0040.00414.30
5.6.340.0060.00614.16
5.6.330.0000.00814.17
5.6.320.0000.01214.34
5.6.310.0070.00714.25
5.6.300.0030.00914.25
5.6.290.0030.00614.23
5.6.280.0050.03817.68
5.6.270.0130.00014.39
5.6.260.0030.00614.45
5.6.250.0070.02717.29
5.6.240.0100.03317.57
5.6.230.0080.02717.53
5.6.220.0070.02017.37
5.6.210.0110.01817.57
5.6.200.0090.03717.59
5.6.190.0050.03517.75
5.6.180.0040.04617.81
5.6.170.0100.04017.61
5.6.160.0030.02417.74
5.6.150.0020.03417.49
5.6.140.0100.03717.68
5.6.130.0060.02617.86
5.6.120.0030.03817.66
5.6.110.0080.02117.66
5.6.100.0070.04417.72
5.6.90.0090.03317.69
5.6.80.0030.02317.32
5.6.70.0080.03717.40
5.6.60.0050.04217.27
5.6.50.0050.03417.38
5.6.40.0040.03517.27
5.6.30.0100.02817.23
5.6.20.0030.02717.24
5.6.10.0030.03617.26
5.6.00.0060.02017.25
5.5.380.0070.03515.84
5.5.370.0060.02715.96
5.5.360.0080.04215.91
5.5.350.0050.02215.79
5.5.340.0030.03215.96
5.5.330.0080.03316.08
5.5.320.0050.04815.96
5.5.310.0060.02216.17
5.5.300.0050.04116.14
5.5.290.0040.02216.05
5.5.280.0030.03216.04
5.5.270.0050.03216.16
5.5.260.0030.03416.08
5.5.250.0070.02815.76
5.5.240.0070.03015.89
5.5.230.0060.04015.78
5.5.220.0000.02515.82
5.5.210.0080.04315.69
5.5.200.0080.03515.76
5.5.190.0130.03315.81
5.5.180.0030.02315.45
5.5.170.0000.01110.83
5.5.160.0050.03315.79
5.5.150.0080.04315.68
5.5.140.0020.03015.71
5.5.130.0100.03715.77
5.5.120.0060.02615.66
5.5.110.0080.04115.62
5.5.100.0050.02215.75
5.5.90.0060.04015.67
5.5.80.0070.04015.71
5.5.70.0080.03815.60
5.5.60.0050.03515.59
5.5.50.0020.04015.65
5.5.40.0020.03615.75
5.5.30.0030.03015.73
5.5.20.0080.02115.65
5.5.10.0100.03215.62
5.5.00.0100.02815.59
5.4.450.0100.03715.35
5.4.440.0050.04715.34
5.4.430.0050.03915.22
5.4.420.0050.02515.23
5.4.410.0050.03415.24
5.4.400.0020.02614.94
5.4.390.0040.04315.12
5.4.380.0030.03815.18
5.4.370.0020.02015.09
5.4.360.0050.02015.18
5.4.350.0050.04215.29
5.4.340.0100.03314.89
5.4.330.0060.00311.36
5.4.320.0000.04415.01
5.4.310.0070.03515.06
5.4.300.0110.03515.07
5.4.290.0070.02215.07
5.4.280.0020.03315.00
5.4.270.0030.02214.96
5.4.260.0030.03515.25
5.4.250.0020.02815.20
5.4.240.0030.03515.10
5.4.230.0060.02715.10
5.4.220.0070.04414.92
5.4.210.0050.02914.96
5.4.200.0030.04315.22
5.4.190.0080.03515.13
5.4.180.0070.02015.05
5.4.170.0030.03914.94
5.4.160.0060.03315.11
5.4.150.0030.02214.83
5.4.140.0050.03613.62
5.4.130.0050.03113.91
5.4.120.0100.03513.69
5.4.110.0040.02313.94
5.4.100.0060.02013.91
5.4.90.0020.03313.85
5.4.80.0050.02313.73
5.4.70.0080.01513.88
5.4.60.0020.02613.67
5.4.50.0030.03513.68
5.4.40.0070.02013.76
5.4.30.0030.04013.96
5.4.20.0020.02913.65
5.4.10.0020.02513.81
5.4.00.0030.02513.29
5.3.290.0020.02812.71
5.3.280.0060.03212.60
5.3.270.0070.02512.71
5.3.260.0070.02312.70
5.3.250.0070.03712.65
5.3.240.0070.04012.65
5.3.230.0050.02012.70
5.3.220.0070.03612.64
5.3.210.0050.02312.70
5.3.200.0030.03412.58
5.3.190.0020.02512.48
5.3.180.0020.04012.50
5.3.170.0030.02712.57
5.3.160.0070.02712.62
5.3.150.0020.02612.63
5.3.140.0050.02112.49
5.3.130.0050.02312.57
5.3.120.0070.03312.60
5.3.110.0010.02412.58
5.3.100.0110.03812.42
5.3.90.0070.02912.31
5.3.80.0080.03812.13
5.3.70.0040.03912.32
5.3.60.0050.03412.27
5.3.50.0080.03712.20
5.3.40.0120.03312.20
5.3.30.0080.03012.26
5.3.20.0050.03912.19
5.3.10.0000.03812.05
5.3.00.0020.03911.94
5.2.170.0020.02311.19
5.2.160.0030.02811.19
5.2.150.0030.03111.19
5.2.140.0050.03311.19
5.2.130.0020.02711.19
5.2.120.0050.02311.19
5.2.110.0060.03011.19
5.2.100.0040.01811.19
5.2.90.0020.03211.19
5.2.80.0020.03711.19
5.2.70.0020.03511.19
5.2.60.0070.01511.19
5.2.50.0060.03011.19
5.2.40.0080.02511.19
5.2.30.0070.01811.19
5.2.20.0060.01611.19
5.2.10.0020.03511.19
5.2.00.0080.02811.19
5.1.60.0000.03411.19
5.1.50.0010.01611.19
5.1.40.0030.01411.19
5.1.30.0030.02311.19
5.1.20.0030.03411.19
5.1.10.0050.02211.19
5.1.00.0060.02511.19
5.0.50.0000.01411.19
5.0.40.0050.02211.19
5.0.30.0010.01611.19
5.0.20.0050.02011.19
5.0.10.0030.02011.19
5.0.00.0020.01711.19
4.4.90.0050.01011.19
4.4.80.0010.01811.19
4.4.70.0020.01011.19
4.4.60.0000.01111.19
4.4.50.0040.00911.19
4.4.40.0040.01311.19
4.4.30.0020.02011.19
4.4.20.0000.02011.19
4.4.10.0000.01211.19
4.4.00.0000.01711.19
4.3.110.0020.02011.19
4.3.100.0000.01111.19
4.3.90.0020.01011.19
4.3.80.0030.01211.19
4.3.70.0030.01711.19
4.3.60.0020.01711.19
4.3.50.0020.01211.19
4.3.40.0000.01911.19
4.3.30.0030.01511.19
4.3.20.0050.01311.19
4.3.10.0000.01811.19
4.3.00.0000.00911.19

preferences:
42.22 ms | 401 KiB | 5 Q