3v4l.org

run code in 300+ PHP versions simultaneously
<?php function crypto_rand_secure($min, $max) { $range = $max - $min; if ($range < 0) return $min; // not so random... $log = log($range, 2); $bytes = (int) ($log / 8) + 1; // length in bytes $bits = (int) $log + 1; // length in bits $filter = (int) (1 << $bits) - 1; // set all lower bits to 1 do { $rnd = hexdec(bin2hex(openssl_random_pseudo_bytes($bytes))); $rnd = $rnd & $filter; // discard irrelevant bits } while ($rnd >= $range); return $min + $rnd; } function getToken($length){ $token = ""; $codeAlphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; $codeAlphabet.= "abcdefghijklmnopqrstuvwxyz"; $codeAlphabet.= "0123456789"; for($i=0;$i<$length;$i++){ $token .= $codeAlphabet[crypto_rand_secure(0,strlen($codeAlphabet))]; } return $token; } echo getToken(6);

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)
8.3.60.0120.00918.54
8.3.50.0080.00922.11
8.3.40.0000.01518.92
8.3.30.0090.00618.81
8.3.20.0050.00318.98
8.3.10.0050.00321.28
8.3.00.0070.00021.85
8.2.180.0170.00316.75
8.2.170.0140.00722.96
8.2.160.0100.01022.13
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.18
8.2.110.0030.00620.66
8.2.100.0030.01018.03
8.2.90.0050.00319.34
8.2.80.0030.00617.97
8.2.70.0080.00017.75
8.2.60.0060.00318.05
8.2.50.0050.00318.07
8.2.40.0040.00418.34
8.2.30.0090.00021.27
8.2.20.0000.00817.76
8.2.10.0040.00417.77
8.2.00.0060.00317.71
8.1.280.0090.00625.92
8.1.270.0000.00723.99
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0100.00022.55
8.1.230.0000.01221.05
8.1.220.0000.00818.77
8.1.210.0040.00418.93
8.1.200.0000.00817.35
8.1.190.0040.00417.66
8.1.180.0000.00818.10
8.1.170.0070.00320.39
8.1.160.0000.00719.01
8.1.150.0060.00318.61
8.1.140.0040.00417.47
8.1.130.0070.00017.91
8.1.120.0040.00417.55
8.1.110.0060.00317.44
8.1.100.0040.00417.42
8.1.90.0000.00717.58
8.1.80.0030.00517.43
8.1.70.0000.00717.49
8.1.60.0040.00417.66
8.1.50.0040.00417.54
8.1.40.0000.00817.60
8.1.30.0000.00717.69
8.1.20.0030.00517.64
8.1.10.0000.00717.68
8.1.00.0050.00217.62
8.0.300.0030.00620.00
8.0.290.0070.00017.17
8.0.280.0040.00418.58
8.0.270.0030.00317.29
8.0.260.0030.00316.95
8.0.250.0000.00716.95
8.0.240.0040.00717.09
8.0.230.0070.00017.00
8.0.220.0000.00716.95
8.0.210.0000.00916.94
8.0.200.0000.00717.10
8.0.190.0060.00317.08
8.0.180.0040.00417.05
8.0.170.0000.00816.89
8.0.160.0080.00016.88
8.0.150.0000.00716.81
8.0.140.0100.00016.79
8.0.130.0030.00613.40
8.0.120.0070.00016.80
8.0.110.0000.00816.94
8.0.100.0040.00417.01
8.0.90.0040.00417.00
8.0.80.0120.00316.90
8.0.70.0050.00216.77
8.0.60.0030.00316.98
8.0.50.0000.00717.04
8.0.30.0080.01117.27
8.0.20.0120.00617.47
8.0.10.0040.00417.04
8.0.00.0110.00816.99
7.4.330.0000.00516.83
7.4.320.0060.00016.71
7.4.300.0040.00416.75
7.4.290.0030.00316.82
7.4.280.0030.00616.73
7.4.270.0030.00316.81
7.4.260.0020.00213.54
7.4.250.0000.00716.71
7.4.240.0040.00416.79
7.4.230.0070.00016.52
7.4.220.0100.00916.53
7.4.210.0060.00916.64
7.4.200.0030.00316.92
7.4.190.0060.00316.87
7.4.160.0070.01016.35
7.4.150.0180.00617.40
7.4.140.0120.00517.86
7.4.130.0110.01116.74
7.4.120.0110.00716.66
7.4.110.0110.00716.73
7.4.100.0030.01516.61
7.4.90.0150.01116.64
7.4.80.0070.01019.39
7.4.70.0150.00616.62
7.4.60.0080.00816.59
7.4.50.0080.00016.70
7.4.40.0070.00922.77
7.4.30.0140.00316.48
7.3.330.0060.00013.50
7.3.320.0110.00413.61
7.3.310.0030.00316.70
7.3.300.0070.00016.63
7.3.290.0060.00916.56
7.3.280.0100.00616.47
7.3.270.0090.00917.40
7.3.260.0130.00718.24
7.3.250.0080.01016.68
7.3.240.0120.00816.41
7.3.230.0130.01016.75
7.3.210.0140.00416.43
7.3.200.0070.01019.39
7.3.190.0110.01116.62
7.3.180.0090.01016.40
7.3.170.0090.00616.57
7.3.160.0040.01216.63
7.2.330.0160.00316.61
7.2.320.0140.00316.56
7.2.310.0090.00916.84
7.2.300.0030.01316.75
7.2.290.0090.00916.45
7.2.00.0070.00719.98
7.1.70.0070.00017.60
7.1.60.0100.01419.40
7.1.50.0070.00717.44
7.1.00.0000.03722.82
7.0.200.0030.00517.15
7.0.140.0000.07722.28
7.0.70.0070.08322.01
7.0.60.0030.08022.03
7.0.50.0030.08722.42
7.0.40.0070.04720.43
7.0.30.0070.08020.38
7.0.20.0130.03320.38
7.0.10.0100.04720.38
7.0.00.0000.04720.22
5.6.280.0000.07721.27
5.6.220.0030.08020.97
5.6.210.0070.08020.93
5.6.200.0030.08321.47
5.6.190.0030.08321.35
5.6.180.0070.08021.46
5.6.170.0030.08721.37
5.6.160.0030.04321.24
5.6.150.0100.05021.33
5.6.140.0130.03721.24
5.6.130.0130.03721.29
5.6.120.0000.06021.32
5.6.110.0070.04321.32
5.6.100.0070.05021.36
5.6.90.0030.04721.33
5.6.80.0100.07020.74
5.6.70.0030.04020.85
5.6.60.0000.04720.61
5.6.50.0000.04320.82
5.6.40.0030.04720.88
5.6.30.0170.03320.70
5.6.20.0070.04020.81
5.6.10.0000.04320.69
5.6.00.0030.04020.70
5.5.360.0030.08720.88
5.5.350.0070.07720.78
5.5.340.0030.05721.13
5.5.330.0070.06721.21
5.5.320.0000.08721.10
5.5.310.0100.03721.21
5.5.300.0030.04321.19
5.5.290.0070.04021.13
5.5.280.0100.03021.18
5.5.270.0000.04321.07
5.5.260.0100.06321.11
5.5.250.0030.04321.10
5.5.240.0130.03020.29
5.5.230.0070.06020.56
5.5.220.0070.05320.57
5.5.210.0030.06320.52
5.5.200.0030.04320.48
5.5.190.0030.04720.57
5.5.180.0030.04720.64
5.5.160.0030.04020.55
5.5.150.0130.04320.26
5.5.140.0070.05020.55
5.5.130.0070.07020.53
5.5.120.0070.07720.50
5.5.110.0000.06720.48
5.5.100.0000.08320.47
5.5.90.0030.08020.36
5.5.80.0070.07720.36
5.5.70.0030.08020.43
5.5.60.0000.06720.38
5.5.50.0070.07320.40
5.5.40.0130.07720.51
5.5.30.0000.07720.41
5.5.20.0030.06720.45
5.5.10.0070.07720.36
5.5.00.0000.08320.34
5.4.450.0100.03319.68
5.4.440.0000.07319.52
5.4.430.0030.04719.62
5.4.420.0070.04019.75
5.4.410.0030.04019.63
5.4.400.0130.02719.17
5.4.390.0000.04019.16
5.4.380.0070.06719.50
5.4.370.0100.05719.16
5.4.360.0100.03319.48
5.4.350.0100.07019.20
5.4.340.0070.04319.30
5.4.320.0030.04019.35
5.4.310.0100.03719.48
5.4.300.0030.05019.33
5.4.290.0030.07319.16
5.4.280.0100.06019.16
5.4.270.0030.07319.47
5.4.260.0030.08019.39
5.4.250.0070.07019.38
5.4.240.0100.03719.47
5.4.230.0070.06319.35
5.4.220.0030.08019.16
5.4.210.0100.08019.49
5.4.200.0000.08019.34
5.4.190.0070.07319.36
5.4.180.0130.06719.46
5.4.170.0070.04319.46
5.4.160.0100.07319.39
5.4.150.0000.08319.14
5.4.140.0030.06016.61
5.4.130.0070.06716.48
5.4.120.0030.07016.63
5.4.110.0070.07716.71
5.4.100.0100.07016.86
5.4.90.0070.07016.65
5.4.80.0070.06716.75
5.4.70.0000.07316.80
5.4.60.0030.07716.55
5.4.50.0070.07016.62
5.4.40.0030.08016.60
5.4.30.0070.07016.55
5.4.20.0070.07016.61
5.4.10.0030.07316.55
5.4.00.0030.07716.17
5.3.290.0000.04014.84
5.3.280.0100.07714.83
5.3.270.0100.06714.93
5.3.260.0070.06014.86
5.3.250.0070.07714.98
5.3.240.0070.06714.97
5.3.230.0030.08014.80
5.3.220.0100.05314.74
5.3.210.0070.07714.89
5.3.200.0070.08014.84
5.3.190.0000.04714.91
5.3.180.0100.07714.87
5.3.170.0030.06014.84
5.3.160.0070.07014.84
5.3.150.0030.07714.84
5.3.140.0000.08314.82
5.3.130.0130.06014.73
5.3.120.0000.05714.76
5.3.110.0000.06014.93
5.3.100.0000.06014.34
5.3.90.0070.05714.34
5.3.80.0070.05014.20
5.3.70.0070.07014.38
5.3.60.0030.08014.35
5.3.50.0070.07714.18
5.3.40.0030.06714.10
5.3.30.0030.07714.15
5.3.20.0000.05013.88
5.3.10.0070.07314.05
5.3.00.0070.05013.94
5.2.170.0030.06312.35
5.2.160.0030.06312.35
5.2.150.0070.06012.35
5.2.140.0030.06712.35
5.2.130.0030.06312.35
5.2.120.0070.05712.35
5.2.110.0030.05012.35
5.2.100.0030.03012.35
5.2.90.0000.04012.35
5.2.80.0030.05012.35
5.2.70.0030.04312.35
5.2.60.0000.03712.35
5.2.50.0000.06312.35
5.2.40.0000.04012.35
5.2.30.0070.04312.35
5.2.20.0070.04012.35
5.2.10.0000.05012.35
5.2.00.0070.05012.35
5.1.60.0030.05312.35
5.1.50.0070.05012.35
5.1.40.0030.04012.35
5.1.30.0000.03312.35
5.1.20.0030.05312.35
5.1.10.0030.05712.35
5.1.00.0000.04712.35
5.0.50.0030.04712.35
5.0.40.0000.04712.35
5.0.30.0030.04312.35
5.0.20.0000.03712.35
5.0.10.0000.04712.35
5.0.00.0030.06312.35
4.4.90.0030.02012.35
4.4.80.0000.01712.35
4.4.70.0000.04012.35
4.4.60.0030.03712.35
4.4.50.0000.03012.35
4.4.40.0000.05712.35
4.4.30.0000.03712.35
4.4.20.0000.04012.35
4.4.10.0030.02012.35
4.4.00.0030.05712.35
4.3.110.0000.03312.35
4.3.100.0000.04012.35
4.3.90.0000.03012.35
4.3.80.0000.05712.35
4.3.70.0000.03712.35
4.3.60.0000.03712.35
4.3.50.0000.03712.35
4.3.40.0000.05312.35
4.3.30.0030.03712.35
4.3.20.0030.03712.35
4.3.10.0030.03712.35
4.3.00.0030.03012.35

preferences:
24.95 ms | 401 KiB | 5 Q