3v4l.org

run code in 300+ PHP versions simultaneously
<?php $length = 10; $bytes = mcrypt_create_iv($length, MCRYPT_DEV_URANDOM); var_dump($bytes, bin2hex($bytes));

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)
8.3.60.0150.00418.43
8.3.50.0130.00521.97
8.3.40.0070.00718.79
8.3.30.0090.00618.55
8.3.20.0050.00320.53
8.3.10.0000.00721.61
8.3.00.0040.00421.60
8.2.180.0070.01016.75
8.2.170.0060.00922.96
8.2.160.0070.01022.02
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0050.00319.57
8.2.120.0030.00526.35
8.2.110.0080.00322.28
8.2.100.0040.00720.39
8.2.90.0000.00817.72
8.2.80.0070.00019.41
8.2.70.0000.00917.91
8.2.60.0040.00418.03
8.2.50.0030.00518.10
8.2.40.0060.00320.64
8.2.30.0000.00719.26
8.2.20.0000.00717.91
8.2.10.0050.00318.11
8.2.00.0040.00417.76
8.1.280.0040.01825.92
8.1.270.0080.00022.14
8.1.260.0070.00028.09
8.1.250.0000.00828.09
8.1.240.0170.00723.84
8.1.230.0110.00019.07
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0000.00917.23
8.1.180.0040.00418.10
8.1.170.0040.00418.51
8.1.160.0000.00822.05
8.1.150.0030.00320.19
8.1.140.0000.00719.46
8.1.130.0030.00317.66
8.1.120.0070.00017.35
8.1.110.0070.00017.42
8.1.100.0000.00717.42
8.1.90.0030.00417.33
8.1.80.0000.00717.40
8.1.70.0000.00917.44
8.1.60.0000.00717.43
8.1.50.0050.00317.41
8.1.40.0040.00417.51
8.1.30.0000.00817.50
8.1.20.0030.00617.68
8.1.10.0040.00417.56
8.1.00.0060.00317.54
8.0.300.0040.00419.60
8.0.290.0080.00016.63
8.0.280.0000.00718.27
8.0.270.0030.00317.21
8.0.260.0000.00717.17
8.0.250.0030.00316.88
8.0.240.0070.00016.80
8.0.230.0000.00716.92
8.0.220.0050.00316.93
8.0.210.0050.00216.79
8.0.200.0030.00316.93
8.0.190.0070.00016.95
8.0.180.0040.00416.74
8.0.170.0040.00416.85
8.0.160.0030.00516.80
8.0.150.0040.00416.87
8.0.140.0000.00716.66
8.0.130.0030.00313.26
8.0.120.0030.00616.67
8.0.110.0040.00416.95
8.0.100.0000.00716.69
8.0.90.0050.00216.92
8.0.80.0000.02116.84
8.0.70.0040.00416.66
8.0.60.0050.00316.99
8.0.50.0030.00516.92
8.0.30.0090.00817.04
8.0.20.0080.01017.40
8.0.10.0050.00216.85
8.0.00.0030.01716.89
7.4.330.0000.00515.55
7.4.320.0060.00016.42
7.4.300.0030.00316.50
7.4.290.0030.00316.43
7.4.280.0040.00416.59
7.4.270.0000.00716.37
7.4.260.0030.00516.56
7.4.250.0040.00416.53
7.4.240.0040.00416.59
7.4.230.0000.00716.38
7.4.220.0120.00916.63
7.4.210.0030.01016.43
7.4.200.0000.00716.47
7.4.160.0050.01016.33
7.4.150.0030.01317.40
7.4.140.0120.00817.86
7.4.130.0100.01016.35
7.4.120.0100.00716.45
7.4.110.0100.00716.43
7.4.100.0090.00916.36
7.4.90.0100.00716.32
7.4.80.0060.01119.39
7.4.70.0030.01316.54
7.4.60.0130.00316.42
7.4.50.0000.01416.42
7.4.40.0070.01016.55
7.4.30.0090.00616.43
7.4.00.0100.00714.90
7.3.330.0050.00013.19
7.3.320.0030.00313.01
7.3.310.0040.00416.30
7.3.300.0030.00316.25
7.3.290.0050.00916.27
7.3.280.0080.01116.26
7.3.270.0130.00417.40
7.3.260.0090.00916.37
7.3.250.0100.00716.33
7.3.240.0120.00616.53
7.3.230.0160.00316.39
7.3.210.0070.00716.33
7.3.200.0060.01016.40
7.3.190.0110.01016.23
7.3.180.0000.01416.18
7.3.170.0000.01616.21
7.3.160.0090.00616.36
7.3.120.0060.01314.77
7.3.110.0100.00714.80
7.3.100.0100.00314.52
7.3.90.0000.01214.76
7.3.80.0100.00714.69
7.3.70.0040.01514.65
7.3.60.0030.00614.45
7.3.50.0100.00614.86
7.3.40.0000.01514.68
7.3.30.0050.00514.82
7.3.20.0100.00716.72
7.3.10.0120.00316.65
7.3.00.0040.00716.59
7.2.330.0100.00716.56
7.2.320.0130.01016.52
7.2.310.0000.01716.47
7.2.300.0000.01616.28
7.2.290.0130.01016.45
7.2.250.0100.01014.82
7.2.240.0130.00714.84
7.2.230.0080.00314.66
7.2.220.0040.00714.80
7.2.210.0060.00914.55
7.2.200.0070.01114.91
7.2.190.0040.00714.91
7.2.180.0070.01014.98
7.2.170.0090.00314.62
7.2.80.0140.00716.62
7.2.60.0050.00516.91
7.2.00.0090.00619.27
7.1.330.0040.01115.78
7.1.320.0040.00415.48
7.1.310.0090.00915.59
7.1.300.0060.00615.66
7.1.290.0100.00315.30
7.1.280.0000.01315.66
7.1.270.0000.00915.38
7.1.260.0060.00615.80
7.1.200.0080.00415.41
7.1.100.0000.01117.94
7.1.70.0040.00717.16
7.1.60.0080.00617.28
7.1.50.0200.01634.66
7.1.00.0070.07322.57
7.0.200.0120.00016.21
7.0.120.0070.06322.09
7.0.110.0130.05322.00
7.0.100.0100.05022.04
7.0.90.0070.05721.99
7.0.80.0100.05322.14
7.0.70.0030.05721.98
7.0.60.0030.05722.15
7.0.50.0070.05722.21
7.0.40.0100.05022.04
7.0.30.0130.04722.14
7.0.20.0070.05322.08
7.0.10.0070.05322.03
7.0.00.0030.05722.11
5.6.270.0070.05721.10
5.6.260.0070.05721.07
5.6.250.0100.05021.07
5.6.240.0130.05020.85
5.6.230.0130.05021.05
5.6.220.0070.05721.00
5.6.210.0070.05320.87
5.6.200.0070.06320.89
5.6.190.0100.05320.83
5.6.180.0130.07021.03
5.6.170.0070.05021.01
5.6.160.0000.06021.05
5.6.150.0070.05720.74
5.6.140.0000.06321.05
5.6.130.0070.05320.93
5.6.120.0070.05720.91
5.6.110.0030.06020.78
5.6.100.0100.08020.92
5.6.90.0070.05321.00
5.6.80.0070.05020.46
5.6.70.0000.05720.35
5.6.60.0030.05720.20
5.6.50.0130.04720.23
5.6.40.0070.05320.43
5.6.30.0100.05320.28
5.6.20.0170.04720.38
5.6.10.0070.06020.41
5.6.00.0130.04720.16

preferences:
35.51 ms | 401 KiB | 5 Q