3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getSeed($data) { $seed = ""; for ($i = 0; $i < strlen($data); $i++) { $val = ord($data[$i]); $seed = $seed."$val"; } return $seed; } $seed = getSeed("admin"); srand(intval($seed)); /* Seed random number generator */ $uid = rand(); echo $uid; ?>

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)
7.1.70.0070.00017.21
7.1.60.0160.00619.40
7.1.50.0070.01716.94
7.1.00.0030.07722.52
7.0.200.0000.00916.75
7.0.140.0170.06021.97
7.0.100.0230.04719.95
7.0.90.0200.06319.94
7.0.80.0130.05019.81
7.0.70.0230.04719.87
7.0.60.0130.05019.95
7.0.50.0200.06720.30
7.0.40.0130.07720.09
7.0.30.0130.04020.19
7.0.20.0100.04720.09
7.0.10.0070.05020.08
7.0.00.0070.07320.02
5.6.280.0070.07321.13
5.6.250.0030.05720.78
5.6.240.0070.08020.75
5.6.230.0070.05020.69
5.6.220.0000.08020.50
5.6.210.0030.06720.77
5.6.200.0030.06321.04
5.6.190.0070.05020.96
5.6.180.0130.04721.05
5.6.170.0030.04321.14
5.6.160.0030.04321.05
5.6.150.0100.05021.11
5.6.140.0130.07721.09
5.6.130.0170.07021.02
5.6.120.0100.08321.02
5.6.110.0070.06021.02
5.6.100.0000.04721.08
5.6.90.0030.04321.09
5.6.80.0030.04720.52
5.6.70.0100.08020.49
5.6.60.0130.07720.39
5.6.50.0070.04320.41
5.6.40.0070.07020.36
5.6.30.0100.05020.29
5.6.20.0100.04720.43
5.6.10.0000.05320.41
5.6.00.0130.07320.48
5.5.380.0070.04020.38
5.5.370.0100.06320.41
5.5.360.0070.07720.39
5.5.350.0030.07320.43
5.5.340.0030.04720.81
5.5.330.0100.04720.89
5.5.320.0030.08720.83
5.5.310.0030.08720.80
5.5.300.0100.08020.86
5.5.290.0070.07320.83
5.5.280.0000.08020.92
5.5.270.0000.07320.88
5.5.260.0070.04320.75
5.5.250.0070.04020.68
5.5.240.0170.03720.27
5.5.230.0100.08020.16
5.5.220.0070.07020.23
5.5.210.0030.07320.16
5.5.200.0070.08020.19
5.5.190.0100.06720.25
5.5.180.0130.07320.18
5.5.160.0100.07320.25
5.5.150.0000.05719.99
5.5.140.0030.07020.22
5.5.130.0070.04020.14
5.5.120.0130.07020.26
5.5.110.0030.04020.22
5.5.100.0030.06720.18
5.5.90.0030.07720.07
5.5.80.0070.08020.06
5.5.70.0100.07320.14
5.5.60.0100.06320.16
5.5.50.0030.07020.15
5.5.40.0030.07020.14
5.5.30.0070.05720.11
5.5.20.0030.04320.08
5.5.10.0000.08320.11
5.5.00.0170.07019.98
5.4.450.0130.08019.43
5.4.440.0000.07319.53
5.4.430.0030.06019.41
5.4.420.0000.04719.48
5.4.410.0030.04319.25
5.4.400.0030.06319.21
5.4.390.0030.05319.14
5.4.380.0030.07019.21
5.4.370.0070.04019.03
5.4.360.0130.06318.90
5.4.350.0030.05319.20
5.4.340.0100.04018.88
5.4.320.0100.06019.23
5.4.310.0070.07019.23
5.4.300.0030.07719.18
5.4.290.0200.04319.03
5.4.280.0030.03719.23
5.4.270.0100.06319.13
5.4.260.0030.03719.03
5.4.250.0070.08019.15
5.4.240.0170.06019.02
5.4.230.0100.06318.90
5.4.220.0100.06719.11
5.4.210.0030.06318.94
5.4.200.0030.07719.20
5.4.190.0130.04018.86
5.4.180.0130.07019.12
5.4.170.0130.07719.11
5.4.160.0000.08319.11
5.4.150.0130.06719.14
5.4.140.0030.05016.43
5.4.130.0030.03716.33
5.4.120.0100.06316.45
5.4.110.0030.07316.39
5.4.100.0000.07716.36
5.4.90.0130.06316.43
5.4.80.0100.05016.38
5.4.70.0100.06716.26
5.4.60.0130.06716.45
5.4.50.0030.07016.37
5.4.40.0170.05016.52
5.4.30.0070.03316.39
5.4.20.0030.06716.43
5.4.10.0000.07316.45
5.4.00.0030.04715.78
5.3.290.0070.04714.65
5.3.280.0130.07014.73
5.3.270.0070.07714.53
5.3.260.0070.07714.54
5.3.250.0100.07014.53
5.3.240.0000.08714.55
5.3.230.0030.04314.54
5.3.220.0070.04014.54
5.3.210.0100.04014.57
5.3.200.0070.07714.66
5.3.190.0100.06714.53
5.3.180.0000.05014.54
5.3.170.0070.07714.59
5.3.160.0030.04314.57
5.3.150.0070.07314.49
5.3.140.0100.03314.50
5.3.130.0100.04314.57
5.3.120.0000.04014.52
5.3.110.0130.06314.52
5.3.100.0130.02714.07
5.3.90.0070.06313.97
5.3.80.0100.07013.92
5.3.70.0000.07013.95
5.3.60.0030.06314.01
5.3.50.0030.04313.86
5.3.40.0030.06013.84
5.3.30.0000.04313.79
5.3.20.0100.06313.77
5.3.10.0130.04313.76
5.3.00.0070.03313.68
5.2.170.0000.04311.09
5.2.160.0000.03011.15
5.2.150.0030.05011.17
5.2.140.0100.03011.17
5.2.130.0100.03011.09
5.2.120.0030.03010.96
5.2.110.0100.05311.15
5.2.100.0100.05711.09
5.2.90.0070.04011.13
5.2.80.0000.03311.21
5.2.70.0000.04011.17
5.2.60.0130.04710.95
5.2.50.0070.05311.04
5.2.40.0070.02710.91
5.2.30.0000.04010.84
5.2.20.0030.06711.05
5.2.10.0030.04310.88
5.2.00.0030.05010.63
5.1.60.0030.03310.05
5.1.50.0000.04310.09
5.1.40.0070.0479.98
5.1.30.0030.05710.46
5.1.20.0070.05710.25
5.1.10.0030.02710.16
5.1.00.0000.06010.06
5.0.50.0100.0438.89
5.0.40.0030.0208.89
5.0.30.0000.0408.89
5.0.20.0030.0308.89
5.0.10.0070.0338.89
5.0.00.0000.0438.89
4.4.90.0000.0378.89
4.4.80.0030.0338.89
4.4.70.0030.0338.89
4.4.60.0030.0278.89
4.4.50.0030.0178.89
4.4.40.0000.0278.89
4.4.30.0000.0178.89
4.4.20.0030.0308.89
4.4.10.0000.0378.89
4.4.00.0030.0538.89
4.3.110.0100.0278.89
4.3.100.0030.0378.89
4.3.90.0030.0208.89
4.3.80.0000.0278.89
4.3.70.0030.0278.89
4.3.60.0070.0178.89
4.3.50.0000.0408.89
4.3.40.0030.0478.89
4.3.30.0030.0238.89
4.3.20.0000.0308.89
4.3.10.0070.0178.89
4.3.00.0030.0278.89

preferences:
34.58 ms | 401 KiB | 5 Q