3v4l.org

run code in 300+ PHP versions simultaneously
<?php $characters=('0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz'); $delka=8; $randomString = ''; for ($i = 0; $i < $delka; $i++) { $randomString .= $characters[rand(0, strlen($characters) - 1)]; } echo $randomString; ?>

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)
7.4.10.0070.01015.22
7.4.00.0070.01015.15
7.3.130.0070.01115.04
7.3.120.0030.01414.46
7.3.110.0070.01014.69
7.3.100.0100.00714.90
7.3.90.0040.01114.60
7.3.80.0070.00714.93
7.3.70.0060.00914.55
7.3.60.0040.01414.95
7.3.50.0000.01314.89
7.3.40.0060.00914.63
7.3.30.0120.00314.63
7.3.20.0070.00716.64
7.3.10.0060.01016.55
7.3.00.0070.01016.46
7.2.260.0030.01515.26
7.2.250.0040.01514.84
7.2.240.0060.00615.25
7.2.230.0070.00715.14
7.2.220.0060.00914.83
7.2.210.0090.00615.00
7.2.200.0030.01215.00
7.2.190.0030.00614.98
7.2.180.0040.01115.11
7.2.170.0030.01314.80
7.2.160.0000.01514.98
7.2.150.0070.00716.66
7.2.140.0000.01816.80
7.2.130.0000.01016.96
7.2.120.0030.01016.99
7.2.110.0060.00616.96
7.2.100.0030.01017.03
7.2.90.0000.01416.89
7.2.80.0100.00317.15
7.2.70.0040.01216.75
7.2.60.0070.00717.01
7.2.50.0110.00316.93
7.2.40.0100.00716.86
7.2.30.0030.00716.98
7.2.20.0120.00416.85
7.2.10.0100.00617.02
7.2.00.0060.01217.07
7.1.330.0000.01415.79
7.1.320.0000.00915.98
7.1.310.0070.00715.74
7.1.300.0090.00615.76
7.1.290.0090.00315.57
7.1.280.0060.00915.90
7.1.270.0000.01215.97
7.1.260.0090.00615.86
7.1.250.0070.00415.82
7.1.240.0030.01015.75
7.1.230.0070.01015.93
7.1.220.0030.01015.89
7.1.210.0090.00315.80
7.1.200.0090.00315.73
7.1.190.0000.01215.61
7.1.180.0030.00915.82
7.1.170.0000.00915.82
7.1.160.0030.01315.47
7.1.150.0150.00015.88
7.1.140.0030.01315.98
7.1.130.0100.00315.71
7.1.120.0040.01115.82
7.1.110.0000.01615.96
7.1.100.0040.01115.68
7.1.90.0090.00915.77
7.1.80.0080.00815.93
7.1.70.0090.00316.42
7.1.60.0030.00916.54
7.1.50.0120.00516.40
7.1.40.0030.00915.63
7.1.30.0040.00415.84
7.1.20.0070.01015.80
7.1.10.0040.00715.52
7.1.00.0040.04019.05
7.0.330.0080.00415.47
7.0.320.0100.00315.57
7.0.310.0040.01115.35
7.0.300.0000.01015.34
7.0.290.0000.01515.19
7.0.280.0070.00715.44
7.0.270.0070.00715.53
7.0.260.0000.01315.35
7.0.250.0040.01115.21
7.0.240.0080.00815.60
7.0.230.0070.00715.48
7.0.220.0000.01715.55
7.0.210.0070.01015.58
7.0.200.0070.01016.15
7.0.190.0060.00615.44
7.0.180.0060.00615.63
7.0.170.0080.00315.45
7.0.160.0060.00615.50
7.0.150.0040.00715.60
7.0.140.0090.03718.80
7.0.130.0000.00915.39
7.0.120.0030.00915.34
7.0.110.0000.01115.60
7.0.100.0100.04117.68
7.0.90.0050.04717.55
7.0.80.0060.04617.69
7.0.70.0070.04017.67
7.0.60.0090.03917.77
7.0.50.0080.04517.82
7.0.40.0130.04216.86
7.0.30.0030.04516.83
7.0.20.0100.04216.63
7.0.10.0050.04216.91
7.0.00.0050.03816.79
5.6.400.0090.00914.31
5.6.390.0000.00914.18
5.6.380.0090.00614.34
5.6.370.0030.01314.62
5.6.360.0040.01214.30
5.6.350.0120.00314.48
5.6.340.0060.00814.50
5.6.330.0000.01514.52
5.6.320.0060.00614.45
5.6.310.0090.00914.32
5.6.300.0030.01014.46
5.6.290.0060.00914.70
5.6.280.0080.03817.67
5.6.270.0030.01314.71
5.6.260.0030.01014.70
5.6.250.0100.04317.58
5.6.240.0030.04417.62
5.6.230.0090.04317.38
5.6.220.0070.04217.55
5.6.210.0050.04417.29
5.6.200.0130.03717.74
5.6.190.0110.04017.81
5.6.180.0080.02817.71
5.6.170.0030.04717.67
5.6.160.0030.04817.67
5.6.150.0100.03817.70
5.6.140.0050.04817.57
5.6.130.0110.04317.76
5.6.120.0080.03117.67
5.6.110.0090.03817.77
5.6.100.0060.04317.73
5.6.90.0050.04817.64
5.6.80.0080.04317.56
5.6.70.0150.03817.51
5.6.60.0080.04217.34
5.6.50.0060.04417.21
5.6.40.0070.04217.34
5.6.30.0100.03517.39
5.6.20.0050.03117.30
5.6.10.0080.04017.33
5.6.00.0080.03117.41
5.5.380.0120.03717.45
5.5.370.0100.03417.53
5.5.360.0060.04417.43
5.5.350.0050.04317.36
5.5.340.0030.04417.50
5.5.330.0060.04317.59
5.5.320.0070.04517.57
5.5.310.0060.04517.69
5.5.300.0060.04517.43
5.5.290.0120.03717.54
5.5.280.0040.03417.44
5.5.270.0070.04317.51
5.5.260.0120.04017.72
5.5.250.0080.04517.37
5.5.240.0070.04317.26
5.5.230.0100.04317.10
5.5.220.0060.04717.27
5.5.210.0030.04517.33
5.5.200.0070.03317.24
5.5.190.0070.03517.18
5.5.180.0050.05217.41
5.5.170.0080.00414.15
5.5.160.0040.04417.30
5.5.150.0120.03817.19
5.5.140.0100.04017.28
5.5.130.0060.04517.41
5.5.120.0070.02917.19
5.5.110.0030.04717.09
5.5.100.0100.03717.17
5.5.90.0050.04317.14
5.5.80.0090.04017.26
5.5.70.0030.04317.12
5.5.60.0020.04817.25
5.5.50.0050.04417.24
5.5.40.0050.04517.12
5.5.30.0060.04117.19
5.5.20.0050.04517.01
5.5.10.0050.04517.06
5.5.00.0100.04217.13
5.4.450.0050.04015.24
5.4.440.0100.04015.27
5.4.430.0030.04615.21
5.4.420.0050.04215.18
5.4.410.0060.03915.18
5.4.400.0070.03715.04
5.4.390.0060.04315.06
5.4.380.0050.04015.00
5.4.370.0110.03815.11
5.4.360.0080.04015.02
5.4.350.0130.02814.96
5.4.340.0070.04514.95
5.4.330.0070.00310.98
5.4.320.0060.02514.93
5.4.310.0050.04414.90
5.4.300.0100.03815.07
5.4.290.0070.03914.90
5.4.280.0050.04015.03
5.4.270.0130.03114.98
5.4.260.0100.04714.91
5.4.250.0050.03815.14
5.4.240.0030.03615.02
5.4.230.0050.04114.98
5.4.220.0050.04214.96
5.4.210.0080.04114.89
5.4.200.0080.04014.98
5.4.190.0050.04114.96
5.4.180.0100.03415.03
5.4.170.0090.04214.94
5.4.160.0070.03915.01
5.4.150.0120.03314.94
5.4.140.0100.04013.64
5.4.130.0050.03913.65
5.4.120.0000.04213.57
5.4.110.0040.03513.62
5.4.100.0030.03313.56
5.4.90.0080.03813.61
5.4.80.0060.03313.74
5.4.70.0060.04013.73
5.4.60.0070.04013.62
5.4.50.0050.04213.67
5.4.40.0110.03813.68
5.4.30.0100.03813.61
5.4.20.0040.04213.62
5.4.10.0030.04213.63
5.4.00.0070.03513.45
5.3.290.0060.04012.58
5.3.280.0070.04212.55
5.3.270.0040.03612.58
5.3.260.0050.04312.50
5.3.250.0070.03312.59
5.3.240.0050.02712.51
5.3.230.0070.04012.57
5.3.220.0100.03212.54
5.3.210.0100.03512.46
5.3.200.0070.03812.55
5.3.190.0060.04212.56
5.3.180.0030.03912.48
5.3.170.0130.03212.49
5.3.160.0050.04312.55
5.3.150.0100.03712.52
5.3.140.0080.03712.51
5.3.130.0030.04312.54
5.3.120.0030.04712.54
5.3.110.0030.02512.52
5.3.100.0050.04312.22
5.3.90.0060.03712.29
5.3.80.0030.04112.28
5.3.70.0070.03812.28
5.3.60.0060.03812.26
5.3.50.0080.03812.22
5.3.40.0060.03612.15
5.3.30.0050.03612.22
5.3.20.0050.03912.12
5.3.10.0040.03112.10
5.3.00.0070.03212.05
5.2.170.0030.06311.14
5.2.160.0000.06711.18
5.2.150.0070.06011.02
5.2.140.0030.05711.00
5.2.130.0100.05711.15
5.2.120.0030.06711.05
5.2.110.0070.06710.96
5.2.100.0070.05711.06
5.2.90.0070.04010.98
5.2.80.0070.06310.94
5.2.70.0000.06310.96
5.2.60.0030.06711.12
5.2.50.0030.07011.06
5.2.40.0030.06310.84
5.2.30.0070.05311.04
5.2.20.0070.06010.84
5.2.10.0200.03710.86
5.2.00.0070.05710.66
5.1.60.0000.05010.07
5.1.50.0000.06010.03
5.1.40.0030.05310.02
5.1.30.0070.05310.20
5.1.20.0130.03710.28
5.1.10.0000.05710.07
5.1.00.0070.05010.09
5.0.50.0030.0478.57
5.0.40.0030.0438.24
5.0.30.0100.0608.25
5.0.20.0030.0438.28
5.0.10.0000.0478.20
5.0.00.0100.0578.22
4.4.90.0030.0337.80
4.4.80.0030.0337.80
4.4.70.0030.0277.80
4.4.60.0000.0377.80
4.4.50.0100.0137.80
4.4.40.0000.0607.80
4.4.30.0030.0337.80
4.4.20.0100.0277.80
4.4.10.0030.0337.80
4.4.00.0000.0537.80
4.3.110.0000.0377.80
4.3.100.0030.0377.80
4.3.90.0000.0237.80
4.3.80.0000.0437.81
4.3.70.0000.0377.81
4.3.60.0030.0307.81
4.3.50.0070.0277.81
4.3.40.0000.0537.81
4.3.30.0030.0337.81
4.3.20.0030.0337.81
4.3.10.0000.0377.81
4.3.00.0000.0377.81

preferences:
41.98 ms | 400 KiB | 5 Q