3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; $len = strlen($s); $m = ''; for ($i = 0; $i < $len; $i ++) { $m = $s[mt_rand(0, $len -1)]; } echo $m;

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)
7.2.00.0030.00919.47
7.1.70.0000.00817.26
7.1.60.0130.01019.17
7.1.50.0040.01816.95
7.1.00.0030.07722.48
7.0.200.0040.00816.58
7.0.140.0030.07722.02
7.0.100.0130.08721.70
7.0.90.0030.04721.67
7.0.80.0200.06321.79
7.0.70.0030.09021.71
7.0.60.0100.07321.77
7.0.50.0070.07022.08
7.0.40.0100.07320.10
7.0.30.0000.07720.03
7.0.20.0070.05320.05
7.0.10.0070.07320.03
7.0.00.0100.07720.18
5.6.280.0070.07021.12
5.6.250.0070.07320.66
5.6.240.0030.08020.68
5.6.230.0030.08020.68
5.6.220.0030.05020.61
5.6.210.0070.07720.64
5.6.200.0130.06721.14
5.6.190.0070.08321.08
5.6.180.0030.06321.03
5.6.170.0000.07721.11
5.6.160.0030.07721.09
5.6.150.0170.06721.00
5.6.140.0100.07020.95
5.6.130.0000.08321.05
5.6.120.0000.08721.01
5.6.110.0030.08020.99
5.6.100.0100.07320.98
5.6.90.0130.07321.11
5.6.80.0070.05320.33
5.6.70.0000.05020.30
5.6.60.0100.07020.48
5.6.50.0100.07320.43
5.6.40.0030.07720.48
5.6.30.0070.04020.36
5.6.20.0000.08020.46
5.6.10.0130.06720.37
5.6.00.0070.07720.30
5.5.380.0000.05320.36
5.5.370.0070.07720.54
5.5.360.0070.07720.33
5.5.350.0100.04320.31
5.5.340.0100.08020.77
5.5.330.0030.07720.91
5.5.320.0070.07020.82
5.5.310.0000.07720.76
5.5.300.0030.07320.88
5.5.290.0000.07020.88
5.5.280.0070.04720.90
5.5.270.0030.05020.79
5.5.260.0130.07020.89
5.5.250.0100.08020.70
5.5.240.0030.08020.22
5.5.230.0070.08020.21
5.5.220.0000.05020.21
5.5.210.0070.07720.26
5.5.200.0000.05720.27
5.5.190.0100.07720.09
5.5.180.0130.07320.10
5.5.160.0070.07020.25
5.5.150.0030.04320.12
5.5.140.0070.07320.12
5.5.130.0030.07720.14
5.5.120.0130.07020.07
5.5.110.0030.08020.16
5.5.100.0030.05320.17
5.5.90.0070.07720.16
5.5.80.0000.07719.94
5.5.70.0030.07719.96
5.5.60.0070.07020.15
5.5.50.0070.07320.15
5.5.40.0100.07320.05
5.5.30.0030.08019.95
5.5.20.0070.04320.04
5.5.10.0030.06720.10
5.5.00.0000.06720.03
5.4.450.0000.08319.41
5.4.440.0070.08019.22
5.4.430.0030.06719.27
5.4.420.0000.06319.41
5.4.410.0030.07319.24
5.4.400.0070.07019.15
5.4.390.0000.08319.14
5.4.380.0130.07019.12
5.4.370.0070.07318.79
5.4.360.0030.06719.14
5.4.350.0030.07319.06
5.4.340.0030.07319.07
5.4.320.0070.07018.79
5.4.310.0030.07018.82
5.4.300.0000.07718.89
5.4.290.0030.07719.14
5.4.280.0100.07319.05
5.4.270.0000.08319.08
5.4.260.0000.08018.98
5.4.250.0070.04019.22
5.4.240.0100.06319.14
5.4.230.0070.07319.11
5.4.220.0130.07018.97
5.4.210.0070.07319.22
5.4.200.0030.07319.11
5.4.190.0030.05318.93
5.4.180.0100.06719.02
5.4.170.0070.07019.05
5.4.160.0000.06318.94
5.4.150.0100.05319.02
5.4.140.0030.08016.11
5.4.130.0130.06316.27
5.4.120.0100.06716.25
5.4.110.0030.07316.38
5.4.100.0030.06316.34
5.4.90.0070.07016.31
5.4.80.0070.04016.34
5.4.70.0070.05016.19
5.4.60.0000.07716.24
5.4.50.0030.04716.23
5.4.40.0030.07016.41
5.4.30.0070.03316.32
5.4.20.0070.03716.18
5.4.10.0000.04016.20
5.4.00.0070.03015.80
5.3.290.0070.07314.48
5.3.280.0070.06314.43
5.3.270.0030.07714.44
5.3.260.0000.07714.46
5.3.250.0070.07314.55
5.3.240.0030.08014.45
5.3.230.0100.07014.55
5.3.220.0100.06314.40
5.3.210.0030.08014.47
5.3.200.0170.06014.58
5.3.190.0000.08014.43
5.3.180.0030.07714.57
5.3.170.0000.04014.38
5.3.160.0000.07014.52
5.3.150.0030.07314.41
5.3.140.0000.05314.54
5.3.130.0030.03714.55
5.3.120.0030.04014.48
5.3.110.0070.04014.38
5.3.100.0070.03314.02
5.3.90.0030.03313.87
5.3.80.0000.03713.84
5.3.70.0030.03314.00
5.3.60.0030.03313.98
5.3.50.0030.03713.93
5.3.40.0000.03713.93
5.3.30.0070.03013.86
5.3.20.0070.03013.69
5.3.10.0100.02713.59
5.3.00.0030.03013.54
5.2.170.0030.02711.18
5.2.160.0030.02711.14
5.2.150.0030.03011.18
5.2.140.0030.03311.13
5.2.130.0070.02311.02
5.2.120.0000.03310.97
5.2.110.0030.04311.16
5.2.100.0030.02710.93
5.2.90.0000.03011.15
5.2.80.0070.02310.93
5.2.70.0000.03010.88
5.2.60.0000.02710.91
5.2.50.0000.03010.96
5.2.40.0000.02710.84
5.2.30.0000.04010.76
5.2.20.0000.02710.94
5.2.10.0000.02710.71
5.2.00.0030.02710.63
5.1.60.0000.03310.00
5.1.50.0000.02310.02
5.1.40.0070.01710.03
5.1.30.0000.02710.33
5.1.20.0000.02710.20
5.1.10.0000.04010.09
5.1.00.0000.0279.90
5.0.50.0030.0178.58
5.0.40.0030.0178.45
5.0.30.0000.0308.45
5.0.20.0030.0178.45
5.0.10.0000.0208.45
5.0.00.0030.0278.45
4.4.90.0000.0138.45
4.4.80.0070.0238.45
4.4.70.0030.0138.45
4.4.60.0000.0208.45
4.4.50.0030.0108.45
4.4.40.0030.0238.45
4.4.30.0000.0138.45
4.4.20.0000.0138.45
4.4.10.0030.0138.45
4.4.00.0000.0378.45
4.3.110.0000.0178.45
4.3.100.0000.0208.45
4.3.90.0000.0138.45
4.3.80.0000.0238.45
4.3.70.0000.0238.45
4.3.60.0000.0238.45
4.3.50.0000.0138.45
4.3.40.0000.0238.45
4.3.30.0070.0108.45
4.3.20.0000.0178.45
4.3.10.0000.0178.45
4.3.00.0030.0138.45

preferences:
29.1 ms | 400 KiB | 5 Q