3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = bin2hex(openssl_random_pseudo_bytes(4)); echo $string;

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)
8.3.40.0030.01019.00
8.3.30.0100.00318.86
8.3.20.0040.00420.29
8.3.10.0040.00423.67
8.3.00.0040.00421.92
8.2.170.0070.01022.96
8.2.160.0150.00018.94
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00019.44
8.2.120.0080.00026.35
8.2.110.0030.00722.26
8.2.100.0080.00419.64
8.2.90.0060.00319.22
8.2.80.0000.00817.97
8.2.70.0030.00617.36
8.2.60.0030.00617.80
8.2.50.0000.00818.10
8.2.40.0080.00020.42
8.2.30.0030.00520.85
8.2.20.0040.00417.91
8.2.10.0040.00417.91
8.2.00.0070.00017.93
8.1.270.0040.00422.14
8.1.260.0050.00226.35
8.1.250.0060.00328.09
8.1.240.0090.00020.73
8.1.230.0030.00719.16
8.1.220.0050.00517.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0030.00617.23
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0030.00318.99
8.1.150.0000.00818.64
8.1.140.0040.00419.32
8.1.130.0000.00718.77
8.1.120.0000.00717.27
8.1.110.0000.00717.18
8.1.100.0030.00617.30
8.1.90.0050.00317.35
8.1.80.0020.00517.28
8.1.70.0040.00417.28
8.1.60.0000.00817.46
8.1.50.0040.00417.44
8.1.40.0000.00817.39
8.1.30.0020.00517.59
8.1.20.0080.00017.58
8.1.10.0080.00017.44
8.1.00.0040.00417.43
8.0.300.0040.00419.98
8.0.290.0040.00416.63
8.0.280.0030.00318.38
8.0.270.0000.00717.11
8.0.260.0030.00316.82
8.0.250.0030.00317.00
8.0.240.0060.00316.87
8.0.230.0030.00316.94
8.0.220.0000.00716.95
8.0.210.0070.00016.93
8.0.200.0000.00716.96
8.0.190.0040.00416.99
8.0.180.0040.00416.80
8.0.170.0040.00416.85
8.0.160.0060.00316.98
8.0.150.0040.00416.75
8.0.140.0000.00716.85
8.0.130.0030.00313.31
8.0.120.0060.00316.74
8.0.110.0000.00716.95
8.0.100.0040.00416.83
8.0.90.0000.00816.75
8.0.80.0070.01516.85
8.0.70.0020.00516.83
8.0.60.0000.00716.90
8.0.50.0020.00516.87
8.0.30.0120.00817.01
8.0.20.0100.01017.40
8.0.10.0000.00716.77
8.0.00.0090.00916.44
7.4.330.0050.00015.55
7.4.320.0030.00316.33
7.4.300.0000.00616.46
7.4.290.0000.00816.43
7.4.280.0040.00316.52
7.4.270.0050.00216.54
7.4.260.0030.00316.52
7.4.250.0040.00416.39
7.4.240.0080.00016.45
7.4.230.0030.00316.43
7.4.220.0110.00816.58
7.4.210.0090.00516.51
7.4.200.0030.00316.38
7.4.160.0050.01116.42
7.4.150.0140.00417.40
7.4.140.0110.00717.86
7.4.130.0060.01316.36
7.4.120.0130.00616.50
7.4.110.0150.00616.28
7.4.100.0030.01316.71
7.4.90.0130.00316.44
7.4.80.0120.00919.39
7.4.70.0060.00916.46
7.4.60.0120.00316.38
7.4.50.0030.01316.38
7.4.40.0030.01916.55
7.4.30.0110.00616.44
7.3.330.0060.00013.02
7.3.320.0050.00013.19
7.3.310.0040.00416.34
7.3.300.0030.00316.29
7.3.290.0000.00716.25
7.3.280.0070.00916.23
7.3.270.0100.01217.40
7.3.260.0070.00916.32
7.3.250.0100.00916.38
7.3.240.0120.00616.32
7.3.230.0080.01016.26
7.3.210.0160.00016.61
7.3.200.0030.01716.26
7.3.190.0090.00616.17
7.3.180.0060.01216.49
7.3.170.0060.01016.47
7.3.160.0160.00016.28
7.2.330.0140.00316.27
7.2.320.0140.00316.42
7.2.310.0070.01416.72
7.2.300.0100.00716.47
7.2.290.0080.00816.35
7.2.60.0130.00316.71
7.2.00.0070.00719.24
7.1.100.0090.00618.11
7.1.70.0090.01216.88
7.1.60.0270.01335.09
7.1.50.0220.01534.98
7.1.40.0330.00334.50
7.1.30.0170.01334.22
7.1.20.0240.01534.52
7.1.10.0060.00916.46
7.1.00.0030.01716.51
7.0.200.0110.00816.69
7.0.190.0030.01716.86
7.0.180.0090.00916.21
7.0.170.0000.01516.20
7.0.160.0040.01516.09
7.0.150.0080.01416.19
7.0.140.0000.01616.30
7.0.130.0040.01416.32
7.0.120.0050.01416.54
7.0.110.0110.00816.35
7.0.100.0120.00716.16
7.0.90.0070.00716.31
7.0.80.0060.00916.16
7.0.70.0130.00616.14
7.0.60.0030.01615.95
7.0.50.0050.00516.33
7.0.40.0040.01116.52
7.0.30.0070.00716.55
7.0.20.0030.01216.30
7.0.10.0090.00616.27
7.0.00.0030.01316.29

preferences:
38.63 ms | 400 KiB | 5 Q