3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n = 12; echo base64_encode(strong_random_bytes(intval(ceil($n * 3 / 4)))); echo substr(str_replace(['/', '+', '='], ['', '', ''], base64_encode(strong_random_bytes($n))), 0, $n);

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)
8.3.60.0070.01418.68
8.3.50.0120.00318.17
8.3.40.0170.00018.75
8.3.30.0140.00018.77
8.3.20.0000.00720.22
8.3.10.0070.00023.70
8.3.00.0090.00017.63
8.2.180.0110.00718.66
8.2.170.0130.00322.96
8.2.160.0100.00320.35
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.01017.63
8.2.110.0060.00322.30
8.2.100.0090.00317.72
8.2.90.0040.00417.63
8.2.80.0040.00417.97
8.2.70.0060.00317.80
8.2.60.0040.00418.03
8.2.50.0000.00918.10
8.2.40.0040.00420.63
8.2.30.0070.00019.06
8.2.20.0040.00417.60
8.2.10.0050.00318.04
8.2.00.0040.00417.97
8.1.280.0140.00325.92
8.1.270.0090.00023.88
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00322.42
8.1.230.0040.00717.64
8.1.220.0000.00817.76
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0000.00922.02
8.1.180.0050.00318.10
8.1.170.0040.00418.50
8.1.160.0000.00818.73
8.1.150.0040.00420.16
8.1.140.0030.00519.54
8.1.130.0000.00717.63
8.1.120.0030.00317.35
8.1.110.0000.00717.30
8.1.100.0040.00417.39
8.1.90.0000.00817.29
8.1.80.0080.00017.39
8.1.70.0030.00317.34
8.1.60.0040.00717.41
8.1.50.0060.00617.56
8.1.40.0040.00417.54
8.1.30.0000.00817.59
8.1.20.0040.00417.65
8.1.10.0050.00317.60
8.1.00.0000.00717.53
8.0.300.0070.00018.77
8.0.290.0060.00316.75
8.0.280.0040.00418.37
8.0.270.0000.00717.19
8.0.260.0000.00717.23
8.0.250.0000.00716.83
8.0.240.0000.00716.80
8.0.230.0000.01116.82
8.0.220.0030.00316.88
8.0.210.0040.00416.92
8.0.200.0000.00616.90
8.0.190.0030.00516.84
8.0.180.0040.00416.92
8.0.170.0000.00716.79
8.0.160.0000.00716.97
8.0.150.0000.00716.73
8.0.140.0040.00416.71
8.0.130.0030.00313.35
8.0.120.0000.00716.80
8.0.110.0050.00216.90
8.0.100.0000.00716.82
8.0.90.0070.00016.77
8.0.80.0060.00916.83
8.0.70.0050.00216.83
8.0.60.0040.00416.95
8.0.50.0000.00716.88
8.0.30.0070.01116.93
8.0.20.0100.00917.40
8.0.10.0070.00016.88
8.0.00.0090.01116.63
7.4.330.0060.00015.08
7.4.320.0000.00616.51
7.4.300.0000.00616.58
7.4.290.0000.00716.51
7.4.280.0070.00016.59
7.4.270.0030.00316.58
7.4.260.0030.00616.41
7.4.250.0070.00016.46
7.4.240.0010.00616.55
7.4.230.0030.00316.57
7.4.220.0090.00916.66
7.4.210.0070.01416.46
7.4.200.0000.00716.48
7.4.160.0040.01116.50
7.4.150.0110.00617.40
7.4.140.0140.00417.86
7.4.130.0120.00616.36
7.4.120.0050.01116.50
7.4.110.0070.01016.73
7.4.100.0130.01216.44
7.4.90.0130.00316.44
7.4.80.0000.01619.39
7.4.70.0170.00416.34
7.4.60.0060.01016.48
7.4.50.0040.00416.78
7.4.40.0100.01016.27
7.4.30.0090.01216.63
7.4.10.0100.00715.00
7.4.00.0090.00714.98
7.3.330.0030.00313.18
7.3.320.0050.00013.01
7.3.310.0070.00016.07
7.3.300.0030.00316.09
7.3.290.0090.01016.23
7.3.280.0120.00816.27
7.3.270.0100.00617.40
7.3.260.0070.01016.42
7.3.240.0120.00416.30
7.3.230.0040.01216.39
7.3.210.0060.01016.31
7.3.200.0100.01416.42
7.3.190.0110.00316.28
7.3.180.0120.00416.50
7.3.170.0080.00816.56
7.3.160.0110.01116.26
7.3.130.0000.01814.67
7.3.120.0120.00614.76
7.3.110.0070.01014.78
7.3.100.0080.00814.89
7.3.90.0030.01214.74
7.3.80.0070.00714.67
7.3.70.0100.00314.77
7.3.60.0030.01214.28
7.3.50.0110.00314.84
7.3.40.0090.00014.79
7.3.30.0090.00014.61
7.3.20.0080.00816.68
7.3.10.0030.00616.55
7.3.00.0120.00616.54
7.2.330.0070.01416.53
7.2.320.0180.00816.53
7.2.310.0120.00616.54
7.2.300.0110.00916.23
7.2.290.0130.01216.38
7.2.260.0060.01214.82
7.2.250.0060.00615.00
7.2.240.0070.01114.95
7.2.230.0030.01315.09
7.2.220.0130.00314.73
7.2.210.0060.00614.71
7.2.200.0040.01214.61
7.2.190.0090.00614.64
7.2.180.0040.01114.90
7.2.170.0060.00314.97
7.2.160.0070.00714.80
7.2.150.0120.00416.68
7.2.140.0100.00716.67
7.2.130.0130.00316.61
7.2.120.0060.00916.54
7.2.110.0090.00616.79
7.2.100.0100.00716.69
7.2.90.0090.00616.83
7.2.80.0120.00616.68
7.2.70.0090.00616.75
7.2.60.0030.01116.65
7.2.50.0070.01016.76
7.2.40.0070.01016.82
7.2.30.0060.00616.75
7.2.20.0000.01416.76
7.2.10.0040.01116.60
7.2.00.0070.00718.08
7.1.330.0060.00915.38
7.1.320.0030.01015.64
7.1.310.0070.00715.68
7.1.300.0090.00015.61
7.1.290.0000.01415.45
7.1.280.0040.01115.35
7.1.270.0070.00715.29
7.1.260.0060.00315.38
7.1.250.0080.00815.71
7.1.240.0000.01315.46
7.1.230.0100.00315.52
7.1.220.0040.00715.30
7.1.210.0110.00715.67
7.1.200.0070.00415.53
7.1.190.0030.01215.56
7.1.180.0030.00915.58
7.1.170.0030.00915.54
7.1.160.0000.01315.74
7.1.150.0000.01515.49
7.1.140.0000.01315.56
7.1.130.0030.01315.59
7.1.120.0090.00615.61
7.1.110.0080.00415.69
7.1.100.0030.01416.63
7.1.90.0030.00815.60
7.1.80.0070.00315.40
7.1.70.0050.00716.28
7.1.60.0060.00817.37
7.1.50.0030.00916.15
7.1.40.0100.00315.59
7.1.30.0030.01015.54
7.1.20.0040.00415.64
7.1.10.0070.00715.43
7.1.00.0050.03818.96
7.0.330.0070.00715.09
7.0.320.0000.01615.36
7.0.310.0080.00815.39
7.0.300.0090.00315.09
7.0.290.0040.00815.35
7.0.280.0080.00815.20
7.0.270.0120.00315.27
7.0.260.0070.00415.06
7.0.250.0000.01015.29
7.0.240.0060.00615.28
7.0.230.0060.01015.08
7.0.220.0030.00815.39
7.0.210.0000.01714.90
7.0.200.0070.00714.97
7.0.190.0030.00715.44
7.0.180.0000.01015.30
7.0.170.0090.00315.14
7.0.160.0040.00415.20
7.0.150.0000.00815.04
7.0.140.0040.01115.45
7.0.130.0090.00315.25
7.0.120.0060.00615.18
7.0.110.0000.01415.32
7.0.100.0000.01114.97
7.0.90.0070.00715.04
7.0.80.0000.01115.04
7.0.70.0060.00615.22
7.0.60.0050.04717.53
7.0.50.0120.04016.53
7.0.40.0050.04916.54
7.0.30.0080.02816.70
7.0.20.0240.04116.81
7.0.10.0070.04616.54
7.0.00.0020.04816.82
5.6.400.0000.00914.41
5.6.390.0000.01514.16
5.6.380.0080.00414.41
5.6.370.0090.00613.85
5.6.360.0080.00814.35
5.6.350.0040.01114.16
5.6.340.0050.00514.27
5.6.330.0040.01114.17
5.6.320.0080.00414.22
5.6.310.0000.01613.96
5.6.300.0110.00313.89
5.6.290.0070.00714.18
5.6.280.0030.04517.52
5.6.270.0040.00414.20
5.6.260.0070.00314.06
5.6.250.0110.00414.19
5.6.240.0110.00414.02
5.6.230.0080.00014.04
5.6.220.0070.00414.41
5.6.210.0140.02517.52
5.6.200.0070.04016.09
5.6.190.0030.03117.50
5.6.180.0140.02117.35
5.6.170.0150.03517.41
5.6.160.0030.03517.15
5.6.150.0130.03316.20
5.6.140.0050.03716.26
5.6.130.0050.03016.04
5.6.120.0110.02917.61
5.6.110.0030.04817.44
5.6.100.0050.05017.60
5.6.90.0100.03917.42
5.6.80.0050.04317.18
5.6.70.0100.00313.88
5.6.60.0040.00813.83
5.6.50.0100.00013.89
5.6.40.0000.01313.95
5.6.30.0060.00613.96
5.6.20.0070.01113.94
5.6.10.0090.00614.17
5.6.00.0050.00514.01
5.5.380.0110.00014.19
5.5.370.0030.00913.95
5.5.360.0060.00914.11
5.5.350.0130.02617.25
5.5.340.0060.04015.99
5.5.330.0070.04516.98
5.5.320.0180.02317.26
5.5.310.0150.04317.02
5.5.300.0030.02816.00
5.5.290.0080.03015.89
5.5.280.0060.04317.53
5.5.270.0070.03617.32
5.5.260.0070.03717.29
5.5.250.0170.03317.26
5.5.240.0020.04317.13
5.5.230.0030.01014.18
5.5.220.0030.01013.94
5.5.210.0040.01213.80
5.5.200.0070.00713.82
5.5.190.0040.00713.96
5.5.180.0000.00914.17
5.5.170.0070.00713.98
5.5.160.0060.00313.73
5.5.150.0040.00813.76
5.5.140.0070.00314.08
5.5.130.0000.01513.74
5.5.120.0000.01413.80
5.5.110.0080.00414.06
5.5.100.0100.00613.86
5.5.90.0040.00714.01
5.5.80.0080.00614.00
5.5.70.0170.00014.10
5.5.60.0100.00714.05
5.5.50.0030.01313.89
5.5.40.0090.00614.00
5.5.30.0030.01013.65
5.5.20.0070.00714.08
5.5.10.0060.00314.03
5.5.00.0110.00413.63
5.4.450.0300.03115.18
5.4.440.0380.03315.18
5.4.430.0350.03015.33
5.4.420.0360.02815.07
5.4.410.0340.03615.13
5.4.400.0320.02814.72
5.4.390.0270.03214.96
5.4.380.0300.02814.91
5.4.370.0330.02714.99
5.4.360.0360.02514.86
5.4.350.0380.02314.96
5.4.340.0280.03314.83
5.4.330.0070.00410.82
5.4.320.0360.03014.88
5.4.310.0380.02614.97
5.4.300.0390.02615.07
5.4.290.0320.03314.78
5.4.280.0420.02714.91
5.4.270.0370.02814.97
5.4.260.0330.03115.03
5.4.250.0380.02714.76
5.4.240.0410.02314.85
5.4.230.0370.03214.91
5.4.220.0280.03415.01
5.4.210.0300.03114.99
5.4.200.0450.02714.84
5.4.190.0350.03014.81
5.4.180.0340.02714.98
5.4.170.0320.02915.01
5.4.160.0270.03114.99
5.4.150.0340.03115.10
5.4.140.0350.03113.55
5.4.130.0280.03213.39
5.4.120.0330.02613.52
5.4.110.0330.02813.70
5.4.100.0320.02713.51
5.4.90.0310.02613.31
5.4.80.0390.02213.72
5.4.70.0270.03113.65
5.4.60.0350.02513.70
5.4.50.0280.02713.57
5.4.40.0260.02613.60
5.4.30.0320.02813.50
5.4.20.0300.02813.47
5.4.10.0350.02113.69
5.4.00.0360.03513.29

preferences:
63.2 ms | 400 KiB | 5 Q