3v4l.org

run code in 300+ PHP versions simultaneously
<?php $uid=8193; function q1() { global $uid; srand($uid); $n=50;$str=""; while($n--) { $char=rand(32,126); if(($char>=48 && $char<=57) || ($char>=65 && $char<=90) || ($char>=97 && $char <=122)) $str=$str.chr($char); } return $str; } echo q1();

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)
7.3.10.0070.00716.45
7.3.00.0170.00316.54
7.2.130.0220.00316.66
7.2.120.0100.01016.40
7.2.110.0040.01116.61
7.2.100.0030.01716.89
7.2.90.0110.00316.52
7.2.80.0050.00716.66
7.2.70.0120.01216.41
7.2.60.0160.00616.62
7.2.50.0130.01116.59
7.2.40.0070.01016.68
7.2.30.0100.01016.50
7.2.20.0070.01016.75
7.2.10.0140.01016.34
7.2.00.0060.01216.85
7.1.250.0090.00615.39
7.1.70.0000.00817.07
7.1.60.0120.01219.40
7.1.50.0030.01717.04
7.1.00.0000.08022.27
7.0.200.0170.01014.80
7.0.140.0070.07022.15
7.0.60.0070.04019.93
7.0.50.0100.03317.85
7.0.40.0070.03717.73
7.0.30.0070.03717.71
7.0.20.0030.04017.81
7.0.10.0000.04717.74
7.0.00.0070.03717.85
5.6.280.0030.07321.11
5.6.210.0130.07720.51
5.6.200.0070.04018.29
5.6.190.0030.04318.18
5.6.180.0100.03318.23
5.6.170.0000.04318.25
5.6.160.0070.03718.19
5.6.150.0030.05018.27
5.6.140.0030.03718.18
5.6.130.0070.03718.15
5.6.120.0070.03718.11
5.6.110.0130.03318.21
5.6.100.0000.04318.26
5.6.90.0100.03318.14
5.6.80.0070.03317.53
5.6.70.0000.05017.57
5.6.60.0130.03317.52
5.6.50.0070.05717.60
5.6.40.0100.07317.50
5.6.30.0100.04017.50
5.6.20.0070.08017.52
5.6.10.0070.06317.57
5.6.00.0100.07317.61
5.5.350.0230.08320.36
5.5.340.0000.04017.98
5.5.330.0070.03718.10
5.5.320.0030.04018.03
5.5.310.0030.03718.03
5.5.300.0030.03717.98
5.5.290.0030.04318.03
5.5.280.0030.04017.97
5.5.270.0000.04317.94
5.5.260.0030.04018.08
5.5.250.0030.04017.77
5.5.240.0000.04017.44
5.5.230.0100.07717.40
5.5.220.0000.08017.33
5.5.210.0030.04017.37
5.5.200.0070.07317.29
5.5.190.0030.08317.38
5.5.180.0030.04317.34
5.5.160.0030.07317.30
5.5.150.0130.06317.30
5.5.140.0100.04717.33
5.5.130.0030.04717.33
5.5.120.0100.07317.38
5.5.110.0100.07317.38
5.5.100.0100.07717.23
5.5.90.0100.06717.33
5.5.80.0000.06017.17
5.5.70.0030.04717.30
5.5.60.0130.04017.22
5.5.50.0070.08017.26
5.5.40.0070.07717.29
5.5.30.0030.07717.22
5.5.20.0030.07317.25
5.5.10.0000.04717.19
5.5.00.0030.04017.22
5.4.450.0000.04319.41
5.4.440.0170.04319.61
5.4.430.0070.05019.30
5.4.420.0030.03719.38
5.4.410.0030.04019.08
5.4.400.0030.03719.10
5.4.390.0070.06719.10
5.4.380.0070.06719.13
5.4.370.0130.07718.89
5.4.360.0030.07718.99
5.4.350.0170.05719.01
5.4.340.0030.06719.05
5.4.320.0100.07319.04
5.4.310.0100.07019.10
5.4.300.0130.07318.89
5.4.290.0130.07019.12
5.4.280.0130.07019.26
5.4.270.0100.07319.05
5.4.260.0100.05019.13
5.4.250.0100.05719.05
5.4.240.0100.04319.13
5.4.230.0070.06719.09
5.4.220.0070.03719.04
5.4.210.0170.07018.94
5.4.200.0100.07719.04
5.4.190.0170.05018.97
5.4.180.0030.04319.04
5.4.170.0070.03719.02
5.4.160.0000.08319.01
5.4.150.0030.08018.96
5.4.140.0030.04016.31
5.4.130.0070.04316.40
5.4.120.0130.03716.45
5.4.110.0000.05716.59
5.4.100.0130.03716.38
5.4.90.0000.04016.59
5.4.80.0000.07016.41
5.4.70.0100.07316.33
5.4.60.0130.07316.56
5.4.50.0000.07716.43
5.4.40.0100.03316.34
5.4.30.0100.06716.51
5.4.20.0030.07316.41
5.4.10.0030.04016.29
5.4.00.0070.07715.80
5.3.290.0130.06714.88
5.3.280.0000.06314.59
5.3.270.0100.03314.45
5.3.260.0030.06014.61
5.3.250.0000.08014.56
5.3.240.0100.07714.59
5.3.230.0100.06714.62
5.3.220.0170.07014.53
5.3.210.0070.08014.59
5.3.200.0100.05014.64
5.3.190.0070.07014.57
5.3.180.0100.05014.59
5.3.170.0100.06714.61
5.3.160.0100.06014.59
5.3.150.0100.06314.63
5.3.140.0100.03714.40
5.3.130.0070.07714.57
5.3.120.0170.07014.77
5.3.110.0030.05014.55
5.3.100.0100.06714.10
5.3.90.0100.07013.97
5.3.80.0030.06313.85
5.3.70.0070.05713.86
5.3.60.0030.07714.05
5.3.50.0070.07314.00
5.3.40.0070.07014.00
5.3.30.0100.06713.90
5.3.20.0100.07013.73
5.3.10.0100.07013.69
5.3.00.0130.06313.65
5.2.170.0000.07011.22
5.2.160.0000.06311.35
5.2.150.0030.07011.22
5.2.140.0100.03711.22
5.2.130.0070.04711.22
5.2.120.0030.06311.22
5.2.110.0070.06011.22
5.2.100.0070.03711.22
5.2.90.0100.05011.22
5.2.80.0070.05311.22
5.2.70.0070.05311.22
5.2.60.0030.03011.22
5.2.50.0100.06311.22
5.2.40.0030.06011.22
5.2.30.0030.05311.22
5.2.20.0000.04311.22
5.2.10.0030.06311.22
5.2.00.0000.05711.22
5.1.60.0070.05011.22
5.1.50.0030.05711.22
5.1.40.0130.04011.22
5.1.30.0070.05711.22
5.1.20.0070.04011.22
5.1.10.0030.03311.22
5.1.00.0030.02711.22
5.0.50.0000.02711.22
5.0.40.0030.03311.22
5.0.30.0000.04311.22
5.0.20.0030.02011.22
5.0.10.0000.02311.22
5.0.00.0000.03311.22
4.4.90.0030.01311.22
4.4.80.0000.01711.22
4.4.70.0030.03711.22
4.4.60.0030.03711.22
4.4.50.0030.03311.22
4.4.40.0000.06011.22
4.4.30.0030.02011.22
4.4.20.0000.02311.22
4.4.10.0000.02311.22
4.4.00.0030.03011.22
4.3.110.0030.03311.22
4.3.100.0030.01711.22
4.3.90.0030.03311.22
4.3.80.0070.05011.22
4.3.70.0000.02011.22
4.3.60.0030.03311.22
4.3.50.0030.03711.22
4.3.40.0070.04011.22
4.3.30.0000.03711.22
4.3.20.0000.03311.22
4.3.10.0000.03011.22
4.3.00.0030.01711.22

preferences:
37.74 ms | 401 KiB | 5 Q