3v4l.org

run code in 300+ PHP versions simultaneously
<?php function multiID($n=32) { $r = null; for ($x=$s=0; $x<$n; $x++) { $c = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz01234567890'; if (($x<$n) && ($x > 0) && ($s < 2)) { $c .= '-_'; } $g = substr($c, mt_rand(0, strlen($c) - 1), 1); $r .= $g; if (($g == '_') || ($g == '-')) { $s++; } } return $r; } echo multiID(128);

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)
7.4.10.0040.01414.92
7.4.00.0060.01314.95
7.3.130.0130.00615.19
7.3.120.0060.00914.75
7.3.110.0040.01414.91
7.3.100.0100.00714.91
7.3.90.0060.01014.89
7.3.80.0100.00315.16
7.3.70.0030.00714.91
7.3.60.0060.00814.85
7.3.50.0070.00714.56
7.3.40.0060.00815.00
7.3.30.0040.00414.76
7.3.20.0050.00516.46
7.3.10.0100.00316.58
7.3.00.0060.00816.70
7.2.260.0120.00414.86
7.2.250.0040.01114.81
7.2.240.0060.00915.30
7.2.230.0030.01014.74
7.2.220.0040.00715.00
7.2.210.0000.01415.18
7.2.200.0080.00315.11
7.2.190.0000.00914.92
7.2.180.0100.00015.14
7.2.170.0060.01015.13
7.2.160.0060.00915.12
7.2.150.0040.01117.05
7.2.140.0030.01216.68
7.2.130.0030.01117.03
7.2.120.0000.01816.91
7.2.110.0140.00416.99
7.2.100.0030.01316.96
7.2.90.0070.00716.80
7.2.80.0070.01016.81
7.2.70.0000.01416.98
7.2.60.0060.00317.02
7.2.50.0080.00416.95
7.2.40.0120.00617.06
7.2.30.0140.00017.04
7.2.20.0000.01316.96
7.2.10.0100.00416.83
7.2.00.0050.01018.32
7.1.330.0100.00715.98
7.1.320.0030.01015.78
7.1.310.0030.00615.61
7.1.300.0080.00415.89
7.1.290.0030.01015.91
7.1.280.0000.00815.89
7.1.270.0030.01015.83
7.1.260.0030.00615.71
7.1.250.0110.00715.80
7.1.240.0030.00715.88
7.1.230.0040.01215.73
7.1.220.0030.01015.99
7.1.210.0100.00315.57
7.1.200.0100.00715.76
7.1.190.0000.01315.78
7.1.180.0050.00515.79
7.1.170.0060.00915.63
7.1.160.0060.00315.61
7.1.150.0030.00915.76
7.1.140.0060.01015.54
7.1.130.0030.00515.97
7.1.120.0140.00015.84
7.1.110.0070.00715.95
7.1.100.0110.00315.64
7.1.90.0000.00915.52
7.1.80.0110.00315.67
7.1.70.0000.01016.45
7.1.60.0100.00717.61
7.1.50.0110.00716.27
7.1.40.0030.00916.02
7.1.30.0060.00915.96
7.1.20.0080.00815.68
7.1.10.0030.01015.61
7.1.00.0020.03019.09
7.0.330.0040.00815.62
7.0.320.0030.01015.46
7.0.310.0080.00015.44
7.0.300.0000.00915.39
7.0.290.0000.01315.50
7.0.280.0000.01415.13
7.0.270.0000.01215.39
7.0.260.0120.00015.44
7.0.250.0040.00415.12
7.0.240.0090.00315.17
7.0.230.0100.00315.50
7.0.220.0070.00715.46
7.0.210.0040.01115.59
7.0.200.0030.00915.95
7.0.190.0090.00315.14
7.0.180.0110.00415.21
7.0.170.0000.01015.39
7.0.160.0030.00915.59
7.0.150.0060.00915.45
7.0.140.0040.04118.81
7.0.130.0090.00615.27
7.0.120.0000.01415.52
7.0.110.0000.01315.49
7.0.100.0060.00615.29
7.0.90.0000.01215.53
7.0.80.0100.00715.41
7.0.70.0070.00715.50
7.0.60.0180.03517.70
7.0.50.0050.03216.56
7.0.40.0120.04016.75
7.0.30.0080.02816.91
7.0.20.0150.04316.70
7.0.10.0020.03616.91
7.0.00.0040.04916.99
5.6.400.0090.00914.36
5.6.390.0070.01014.43
5.6.380.0060.00614.79
5.6.370.0040.01114.70
5.6.360.0100.00714.31
5.6.350.0030.01014.05
5.6.340.0000.00814.24
5.6.330.0070.00714.50
5.6.320.0070.00714.07
5.6.310.0030.01014.43
5.6.300.0070.01014.57
5.6.290.0080.00814.73
5.6.280.0090.03717.55
5.6.270.0060.00614.32
5.6.260.0130.00014.55
5.6.250.0070.00714.44
5.6.240.0030.01014.41
5.6.230.0120.00414.51
5.6.220.0070.00714.46
5.6.210.0050.04917.53
5.6.200.0070.04216.32
5.6.190.0020.03017.51
5.6.180.0170.03817.55
5.6.170.0180.04117.53
5.6.160.0050.03917.60
5.6.150.0070.04316.26
5.6.140.0100.02716.21
5.6.130.0030.02816.27
5.6.120.0050.04717.71
5.6.110.0080.02917.82
5.6.100.0020.03517.68
5.6.90.0030.03117.82
5.6.80.0050.04517.35
5.6.70.2200.02517.24
5.6.60.0000.01314.21
5.6.50.0100.00614.20
5.6.40.0080.00514.22
5.6.30.0030.01414.05
5.6.20.0060.00714.26
5.6.10.0070.00414.18
5.6.00.0030.00614.40
5.5.380.0030.00914.58
5.5.370.0130.00014.34
5.5.360.0140.00414.52
5.5.350.0020.04917.28
5.5.340.0050.02316.27
5.5.330.0020.02617.34
5.5.320.0050.02817.44
5.5.310.0190.03717.27
5.5.300.0020.02816.38
5.5.290.0080.03716.19
5.5.280.0090.04417.73
5.5.270.0030.03517.54
5.5.260.0080.04517.45
5.5.250.0050.03517.44
5.5.240.0050.04217.28
5.5.230.0000.01114.48
5.5.220.0040.00814.32
5.5.210.0000.01414.43
5.5.200.0000.01314.64
5.5.190.0030.01014.48
5.5.180.0030.01014.15
5.5.170.0040.01214.41
5.5.160.0130.00014.36
5.5.150.0100.00614.37
5.5.140.0000.01014.44
5.5.130.0030.01214.46
5.5.120.0070.00414.13
5.5.110.0040.01114.13
5.5.100.0030.01213.93
5.5.90.0030.01013.96
5.5.80.0030.01014.44
5.5.70.0030.01014.04
5.5.60.0030.00714.19
5.5.50.0030.01014.13
5.5.40.0000.00814.23
5.5.30.0000.01214.18
5.5.20.0090.00614.48
5.5.10.0060.00914.29
5.5.00.0000.01113.99
5.4.450.0440.03215.25
5.4.440.0480.02415.03
5.4.430.0220.02715.20
5.4.420.0520.03715.36
5.4.410.0070.02815.29
5.4.400.0610.03415.08
5.4.390.0520.04014.72
5.4.380.0080.03115.03
5.4.370.0160.02015.00
5.4.360.0080.02914.91
5.4.350.0080.02711.65
5.4.340.0100.02111.61
5.4.330.0030.00710.86
5.4.320.0050.02111.80
5.4.310.0070.02411.82
5.4.300.0050.02111.71
5.4.290.0060.02111.91
5.4.280.0070.02011.81
5.4.270.0030.02311.85
5.4.260.0040.02511.70
5.4.250.0080.03014.87
5.4.240.0030.03314.91
5.4.230.0020.03015.01
5.4.220.0050.04415.12
5.4.210.0090.02615.00
5.4.200.0050.02815.05
5.4.190.0060.03114.98
5.4.180.0100.02714.80
5.4.170.0080.02714.91
5.4.160.0070.04014.92
5.4.150.0070.02714.82
5.4.140.0050.03213.74
5.4.130.0050.03213.75
5.4.120.0160.02713.63
5.4.110.0100.03913.75
5.4.100.0050.03413.94
5.4.90.0030.03713.79
5.4.80.0030.04113.70
5.4.70.0050.03313.78
5.4.60.0080.03413.69
5.4.50.0050.03113.68
5.4.40.0130.02913.86
5.4.30.0080.02513.87
5.4.20.0050.03013.71
5.4.10.0080.03013.78
5.4.00.0070.02913.37
5.3.290.0080.02211.65
5.3.280.0050.03212.68
5.3.270.0050.03412.68
5.3.260.0100.03412.74
5.3.250.0050.03012.64
5.3.240.0060.03912.58
5.3.230.0090.03812.56
5.3.220.0030.04212.64
5.3.210.0000.03812.42
5.3.200.0070.04312.66
5.3.190.0100.03012.61
5.3.180.0070.04012.49
5.3.170.0070.03012.48
5.3.160.0060.03112.57
5.3.150.0080.03012.73
5.3.140.0030.04112.59
5.3.130.0050.03112.66
5.3.120.0050.03012.46
5.3.110.0050.02912.58
5.3.100.0070.02812.22
5.3.90.0120.02612.26
5.3.80.0100.03012.23
5.3.70.0070.02812.04
5.3.60.0080.02612.33
5.3.50.0080.02312.22
5.3.40.0070.02712.21
5.3.30.0030.03712.17
5.3.20.0050.02712.23
5.3.10.0080.03711.92
5.3.00.0100.03511.97
5.2.170.0170.04311.36
5.2.160.0130.03311.31
5.2.150.0030.04311.13
5.2.140.0170.03011.15
5.2.130.0070.04011.09
5.2.120.0170.02710.92
5.2.110.0130.03311.25
5.2.100.0100.03711.00
5.2.90.0100.03711.16
5.2.80.0200.03711.09
5.2.70.0030.05010.99
5.2.60.0030.04311.04
5.2.50.0030.04311.09
5.2.40.0070.04011.06
5.2.30.0070.04010.96
5.2.20.0070.05011.03
5.2.10.0030.05710.69
5.2.00.0030.04010.71
5.1.60.0000.03710.06
5.1.50.0100.0379.95
5.1.40.0130.0309.89
5.1.30.0070.04710.41
5.1.20.0030.04310.51
5.1.10.0070.05010.11
5.1.00.0130.02710.13
5.0.50.0070.0278.51
5.0.40.0100.0208.45
5.0.30.0030.0438.27
5.0.20.0070.0308.13
5.0.10.0000.0308.38
5.0.00.0000.0478.21
4.4.90.0070.0177.37
4.4.80.0030.0207.37
4.4.70.0030.0277.37
4.4.60.0030.0207.37
4.4.50.0070.0277.37
4.4.40.0070.0307.37
4.4.30.0030.0207.37
4.4.20.0030.0237.37
4.4.10.0000.0237.37
4.4.00.0030.0407.37
4.3.110.0000.0237.37
4.3.100.0030.0207.37
4.3.90.0000.0237.37
4.3.80.0000.0377.37
4.3.70.0000.0277.37
4.3.60.0000.0277.37
4.3.50.0070.0237.37
4.3.40.0000.0337.37
4.3.30.0070.0177.37
4.3.20.0030.0207.37
4.3.10.0030.0307.37
4.3.00.0070.0236.80

preferences:
41.29 ms | 401 KiB | 5 Q