3v4l.org

run code in 300+ PHP versions simultaneously
<?php function random8CharString() { $chars = "abcdefghijkmnopqrstuvwxyz023456789"; srand((double) microtime() * 1000000); $pass = ''; for ($i = 0; $i <= 7; ++$i) { $pass .= $chars[rand() % 33]; } return $pass; } echo random8CharString();

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)
8.4.30.0410.00717.20
8.4.20.0410.01017.41
8.4.10.0370.00817.41
8.3.160.0320.01516.59
8.3.150.0370.00816.44
8.3.140.0420.00916.40
8.3.130.0360.00516.53
8.3.120.0290.00516.65
8.3.110.0270.00816.52
8.3.100.0270.00616.60
8.3.90.0350.00916.65
8.3.80.0290.00616.33
8.3.70.0410.00416.51
8.3.60.0350.00916.58
8.3.50.0410.00416.59
8.3.40.0310.01117.53
8.3.30.0260.01117.33
8.3.20.0250.01117.33
8.3.10.0300.00717.25
8.3.00.0280.00817.34
8.2.270.0280.00916.64
8.2.260.0290.01116.60
8.2.250.0380.00516.58
8.2.240.0300.00916.73
8.2.230.0310.01016.38
8.2.220.0300.00616.43
8.2.210.0350.00516.31
8.2.200.0340.00616.36
8.2.190.0260.00816.49
8.2.180.0210.01216.43
8.2.170.0330.01417.68
8.2.160.0320.01117.39
8.2.150.0360.01117.40
8.2.140.0360.00817.51
8.2.130.0340.00717.29
8.2.120.0370.00117.49
8.2.110.0260.00617.57
8.2.100.0340.00017.47
8.2.90.0290.00917.55
8.2.80.0250.01217.32
8.2.70.0340.00417.46
8.2.60.0300.00517.33
8.2.50.0210.00717.40
8.2.40.0330.00317.54
8.2.30.0300.00717.43
8.2.20.0280.00917.46
8.2.10.0230.01217.42
8.2.00.0270.00917.33
8.1.310.0290.00915.92
8.1.300.0330.00616.12
8.1.290.0270.01115.72
8.1.280.0320.01115.86
8.1.270.0350.00917.34
8.1.260.0280.00917.27
8.1.250.0310.00617.14
8.1.240.0280.00817.12
8.1.230.0270.00717.19
8.1.220.0240.00317.37
8.1.210.0220.00617.17
8.1.200.0180.00317.15
8.1.190.0210.00717.04
8.1.180.0370.00917.14
8.1.170.0290.00617.20
8.1.160.0310.00517.21
8.1.150.0310.00617.10
8.1.140.0310.00917.12
8.1.130.0320.00417.11
8.1.120.0240.00317.09
8.1.110.0230.00717.21
8.1.100.0290.00817.21
8.1.90.0300.00817.03
8.1.80.0280.00817.13
8.1.70.0250.01017.28
8.1.60.0270.00917.44
8.1.50.0270.00717.22
8.1.40.0240.01017.25
8.1.30.0290.00617.46
8.1.20.0270.01117.19
8.1.10.0330.00817.43
8.1.00.0240.00617.12
8.0.300.0240.01216.46
8.0.290.0360.00516.41
8.0.280.0280.00516.40
8.0.270.0280.00916.50
8.0.260.0250.00816.44
8.0.250.0220.00716.68
8.0.240.0290.00816.59
8.0.230.0280.00716.50
8.0.220.0280.01116.43
8.0.210.0320.00516.51
8.0.200.0290.01016.42
8.0.190.0310.00816.48
8.0.180.0330.00316.60
8.0.170.0310.00516.51
8.0.160.0340.00716.52
8.0.150.0320.00816.29
8.0.140.0310.00516.54
8.0.130.0280.00716.49
8.0.120.0290.00516.44
8.0.110.0280.00916.49
8.0.100.0290.00516.62
8.0.90.0260.01316.62
8.0.80.0240.01016.48
8.0.70.0240.01016.43
8.0.60.0290.00816.39
8.0.50.0190.01316.63
8.0.30.0230.00616.62
8.0.20.0240.00616.74
8.0.10.0250.00616.40
8.0.00.0290.00716.83
7.4.330.0350.00716.30
7.4.320.0260.00916.17
7.4.300.0260.00616.22
7.4.290.0300.00316.25
7.4.280.0260.00616.15
7.4.270.0270.00616.18
7.4.260.0250.00816.21
7.4.250.0190.01416.25
7.4.240.0270.00616.05
7.4.230.0290.00416.26
7.4.220.0270.00216.17
7.4.210.0270.00916.20
7.4.200.0290.00516.28
7.4.190.0280.00616.28
7.4.180.0220.00916.25
7.4.160.0340.00316.41
7.4.150.0230.00916.23
7.4.140.0270.00416.10
7.4.130.0240.00616.19
7.4.120.0270.00416.27
7.4.110.0280.00216.20
7.4.100.0270.00516.28
7.4.90.0220.01116.16
7.4.80.0300.00315.95
7.4.70.0240.00916.32
7.4.60.0280.00616.10
7.4.50.0320.00515.99
7.4.40.0220.00516.20
7.4.30.0160.00816.14
7.4.20.0140.01116.31
7.4.10.0210.00516.31
7.4.00.0170.00616.22
7.3.330.0260.01115.86
7.3.320.0320.00715.85
7.3.310.0240.00915.98
7.3.300.0260.00615.90
7.3.290.0270.00516.11
7.3.280.0280.00415.97
7.3.270.0220.01015.98
7.3.260.0280.00615.87
7.3.250.0230.00715.95
7.3.240.0290.00615.87
7.3.230.0240.00616.01
7.3.220.0280.00416.17
7.3.210.0310.00316.03
7.3.200.0270.01015.96
7.3.190.0270.00815.85
7.3.180.0340.00315.81
7.3.170.0220.00715.98
7.3.160.0290.00516.10
7.3.150.0270.00815.86
7.3.140.0240.00516.12
7.3.130.0180.01016.26
7.3.120.0220.00416.19
7.3.110.0220.00516.17
7.3.100.0200.00516.07
7.3.90.0220.00516.16
7.3.80.0150.01116.10
7.3.70.0230.00516.38
7.3.60.0210.00816.27
7.3.50.0160.00816.20
7.3.40.0090.01216.25
7.3.30.0180.01016.35
7.3.20.0210.00817.47
7.3.10.0170.00917.47
7.3.00.0230.00617.34
7.2.340.0300.00616.16
7.2.330.0250.01215.94
7.2.320.0280.00716.23
7.2.310.0180.00516.04
7.2.300.0130.01016.25
7.2.290.0200.00916.12
7.2.280.0300.00516.06
7.2.270.0180.01016.98
7.2.260.0160.00916.25
7.2.250.0190.00916.22
7.2.240.0240.00516.12
7.2.230.0190.00916.10
7.2.220.0150.00916.36
7.2.210.0140.01016.27
7.2.200.0180.00616.44
7.2.190.0150.00916.36
7.2.180.0130.01116.32
7.2.170.0180.00516.34
7.2.160.0160.01216.41
7.2.150.0260.00717.61
7.2.140.0160.00917.59
7.2.130.0170.01017.73
7.2.120.0150.00917.60
7.2.110.0160.00817.63
7.2.100.0190.00317.64
7.2.90.0190.00217.56
7.2.80.0140.01017.70
7.2.70.0160.00717.72
7.2.60.0170.00717.78
7.2.50.0110.01017.75
7.2.40.0200.00517.64
7.2.30.0170.00817.70
7.2.20.0230.00417.63
7.2.10.0220.00517.62
7.2.00.0140.01017.63

preferences:
23.47 ms | 403 KiB | 5 Q