3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list_ar = array(); for($x = 0;$x < 500; $x++){ $val = generateRandomString(20); if(!in_array($val,$list_ar)){ echo "$x == NEW\n"; array_push($list_ar,$val); } else { echo "$x == IN ARRAY\n"; } } function generateRandomString($length){ $characterlist = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789'; $characterlist_array = str_split($characterlist); $id = ''; for($a = 0;$a<$length;$a++){ shuffle($characterlist_array); $position = array_rand($characterlist_array, 1); $id .= $characterlist_array[$position]; } return $id; }

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)
7.4.00.0160.02614.82
7.3.120.0030.03715.08
7.3.110.0000.03914.95
7.3.100.0100.02615.04
7.3.90.0060.02914.90
7.3.80.0060.02514.79
7.3.70.0130.02515.04
7.3.60.0070.02714.98
7.3.50.0000.03314.96
7.3.40.0040.02514.69
7.3.30.0030.02914.72
7.3.20.0060.02116.81
7.3.10.0060.01916.58
7.3.00.0100.02416.66
7.2.250.0100.03615.00
7.2.240.0100.03415.25
7.2.230.0030.03515.35
7.2.220.0100.02615.28
7.2.210.0090.01915.38
7.2.200.0030.03215.28
7.2.190.0090.02214.87
7.2.180.0000.03715.32
7.2.170.0060.02315.21
7.1.330.0100.03316.01
7.1.320.0100.03615.46
7.1.310.0140.02815.90
7.1.300.0140.02815.52
7.1.290.0070.03315.70
7.1.280.0100.02315.84
7.1.270.0000.03215.86
7.1.260.0070.03015.82
7.1.70.0000.03217.22
7.1.60.0130.05119.70
7.1.50.0140.05116.85
7.1.00.0070.10722.51
7.0.200.0030.02416.48
7.0.140.0070.09721.92
7.0.100.0100.09319.97
7.0.90.0100.09719.98
7.0.80.0130.10319.89
7.0.70.0170.08720.00
7.0.60.0100.08019.98
7.0.50.0470.09020.41
7.0.40.0030.07020.18
7.0.30.0100.09320.12
7.0.20.0100.10019.92
7.0.10.0070.10319.99
7.0.00.0100.10319.99
5.6.280.0100.10721.14
5.6.250.0130.11320.51
5.6.240.0100.09020.55
5.6.230.0070.10720.64
5.6.220.0070.11720.74
5.6.210.0000.11320.66
5.6.200.0100.11321.15
5.6.190.0130.07721.07
5.6.180.0130.09321.08
5.6.170.0170.07321.06
5.6.160.0100.11320.99
5.6.150.0100.07721.04
5.6.140.0170.09320.99
5.6.130.0100.11721.19
5.6.120.0170.10320.99
5.6.110.0030.09721.14
5.6.100.0170.09321.06
5.6.90.0170.10020.98
5.6.80.0130.09720.36
5.6.70.0030.12320.37
5.6.60.0100.10020.46
5.6.50.0100.10020.50
5.6.40.0170.09720.43
5.6.30.0070.10320.41
5.6.20.0030.10720.53
5.6.10.0070.11320.53
5.6.00.0130.06720.55
5.5.380.0130.10020.59
5.5.370.0030.11720.55
5.5.360.0100.11020.38
5.5.350.0130.11020.49
5.5.340.0170.09720.94
5.5.330.0130.09020.83
5.5.320.0030.10320.93
5.5.310.0100.10320.88
5.5.300.0100.11720.96
5.5.290.0130.11320.95
5.5.280.0070.09020.84
5.5.270.0100.10320.86
5.5.260.0130.13320.95
5.5.250.0100.11720.65
5.5.240.0030.11720.14
5.5.230.0130.07320.22
5.5.220.0070.11720.25
5.5.210.0070.09320.31
5.5.200.0130.10720.17
5.5.190.0030.11320.27
5.5.180.0130.10020.22
5.5.160.0030.11320.17
5.5.150.0100.10320.16
5.5.140.0100.11020.14
5.5.130.0030.07020.29
5.5.120.0030.06720.22
5.5.110.0070.06020.02
5.5.100.0030.06320.20
5.5.90.0000.06320.21
5.5.80.0070.05720.20
5.5.70.0070.07020.09
5.5.60.0000.06720.15
5.5.50.0070.05020.00
5.5.40.0070.05720.20
5.5.30.0030.10319.96
5.5.20.0070.06320.11
5.5.10.0170.09720.07
5.5.00.0030.08019.98
5.4.450.0130.10319.18
5.4.440.0200.09319.51
5.4.430.0200.09719.36
5.4.420.0170.09719.46
5.4.410.0070.09719.23
5.4.400.0100.11019.23
5.4.390.0130.10019.18
5.4.380.0100.05719.14
5.4.370.0070.11319.05
5.4.360.0100.10319.14
5.4.350.0130.10719.18
5.4.340.0070.08719.09
5.4.320.0100.09719.13
5.4.310.0030.11019.22
5.4.300.0170.09719.09
5.4.290.0130.05319.14
5.4.280.0100.05319.06
5.4.270.0070.06719.09
5.4.260.0070.06019.09
5.4.250.0000.06319.23
5.4.240.0000.08319.16
5.4.230.0030.06018.90
5.4.220.0100.05319.15
5.4.210.0030.05019.14
5.4.200.0030.06719.09
5.4.190.0070.07319.15
5.4.180.0070.11019.17
5.4.170.0030.09719.17
5.4.160.0130.10319.21
5.4.150.0070.05718.84
5.4.140.0030.06016.48
5.4.130.0000.06016.55
5.4.120.0100.05316.51
5.4.110.0070.05316.40
5.4.100.0070.05316.49
5.4.90.0100.09716.55
5.4.80.0030.05716.43
5.4.70.0070.06316.52
5.4.60.0030.06316.46
5.4.50.0030.06716.42
5.4.40.0200.06716.54
5.4.30.0030.11716.52
5.4.20.0130.08016.54
5.4.10.0070.05716.41
5.4.00.0070.11315.93
5.3.290.0000.06314.69
5.3.280.0030.07014.68
5.3.270.0030.06014.68
5.3.260.0000.10314.63
5.3.250.0000.07314.75
5.3.240.0070.08314.63
5.3.230.0000.10714.84
5.3.220.0030.06714.77
5.3.210.0030.08714.76
5.3.200.0000.06714.58
5.3.190.0070.06014.65
5.3.180.0030.07714.59
5.3.170.0070.05714.63
5.3.160.0070.05714.68
5.3.150.0000.07014.67
5.3.140.0070.05714.67
5.3.130.0130.05714.57
5.3.120.0000.08314.70
5.3.110.0070.12014.76
5.3.100.0070.11014.25
5.3.90.0000.10014.22
5.3.80.0170.10014.20
5.3.70.0030.11014.09
5.3.60.0030.11314.20
5.3.50.0170.07314.08
5.3.40.0000.09714.03
5.3.30.0070.11013.99
5.3.20.0070.09713.89
5.3.10.0130.09313.87
5.3.00.0030.11013.74
5.2.170.0030.09311.19
5.2.160.0070.09711.09
5.2.150.0100.10311.29
5.2.140.0070.09311.36
5.2.130.0100.08711.33
5.2.120.0030.09311.28
5.2.110.0130.09011.32
5.2.100.0000.06711.30
5.2.90.0070.10311.29
5.2.80.0100.09311.29
5.2.70.0070.09711.21
5.2.60.0070.09311.28
5.2.50.0070.09011.23
5.2.40.0030.06311.14
5.2.30.0100.09310.98
5.2.20.0030.10011.18
5.2.10.0000.07011.05
5.2.00.0000.10310.84
5.1.60.0000.07710.67
5.1.50.0070.08010.67
5.1.40.0100.08710.67
5.1.30.0070.05010.67
5.1.20.0070.09710.67
5.1.10.0070.08310.67
5.1.00.0030.08310.67
5.0.50.0000.09710.67
5.0.40.0000.09710.67
5.0.30.0100.09710.67
5.0.20.0070.09010.67
5.0.10.0070.10010.67
5.0.00.0070.11010.67
4.4.90.0030.03310.67
4.4.80.0030.03710.67
4.4.70.0000.03710.67
4.4.60.0000.03710.67
4.4.50.0030.02010.67
4.4.40.0030.03710.67
4.4.30.0070.02710.67
4.4.20.0000.03710.67
4.4.10.0030.03310.67
4.4.00.0000.05710.67
4.3.110.0000.03310.67
4.3.100.0070.03010.67
4.3.90.0070.03010.67
4.3.80.0030.05710.67
4.3.70.0000.03710.67
4.3.60.0030.02710.67
4.3.50.0070.03010.67
4.3.40.0030.05310.67
4.3.30.0000.03710.67
4.3.20.0030.03710.67
4.3.10.0000.03710.67
4.3.00.0000.03710.67

preferences:
38.18 ms | 401 KiB | 5 Q