3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = bin2hex(openssl_random_pseudo_bytes(1)); 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)
8.3.60.0110.00716.88
8.3.50.0170.00016.38
8.3.40.0140.00018.89
8.3.30.0070.00718.80
8.3.20.0040.00420.34
8.3.10.0080.00023.52
8.3.00.0070.00021.95
8.2.180.0140.00416.50
8.2.170.0110.00422.96
8.2.160.0150.00018.94
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0070.00019.12
8.2.120.0050.00326.35
8.2.110.0100.00722.25
8.2.100.0070.00417.91
8.2.90.0000.00819.09
8.2.80.0080.00017.97
8.2.70.0080.00017.50
8.2.60.0040.00417.80
8.2.50.0030.00619.54
8.2.40.0070.00020.63
8.2.30.0040.00420.88
8.2.20.0060.00317.95
8.2.10.0000.00817.95
8.2.00.0070.00017.99
8.1.280.0070.01025.92
8.1.270.0070.00022.05
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00320.84
8.1.230.0100.00019.16
8.1.220.0000.00917.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0030.00618.50
8.1.160.0000.00718.93
8.1.150.0030.00618.68
8.1.140.0040.00419.36
8.1.130.0070.00018.81
8.1.120.0070.00017.27
8.1.110.0050.00217.32
8.1.100.0070.00017.36
8.1.90.0070.00017.23
8.1.80.0000.00817.22
8.1.70.0070.00017.25
8.1.60.0060.00317.49
8.1.50.0040.00417.34
8.1.40.0040.00417.43
8.1.30.0040.00417.48
8.1.20.0000.00717.52
8.1.10.0040.00417.53
8.1.00.0000.00717.44
8.0.300.0060.00320.07
8.0.290.0040.00416.63
8.0.280.0000.00818.42
8.0.270.0030.00317.20
8.0.260.0070.00016.73
8.0.250.0030.00316.96
8.0.240.0000.00716.86
8.0.230.0030.00317.01
8.0.220.0030.00316.79
8.0.210.0000.00716.94
8.0.200.0030.00316.95
8.0.190.0030.00616.96
8.0.180.0040.00416.92
8.0.170.0050.00316.87
8.0.160.0040.00716.82
8.0.150.0040.00416.92
8.0.140.0070.00016.82
8.0.130.0030.00313.28
8.0.120.0000.00716.91
8.0.110.0040.00416.82
8.0.100.0050.00216.84
8.0.90.0000.00716.68
8.0.80.0110.01116.93
8.0.70.0040.00417.00
8.0.60.0000.00716.95
8.0.50.0040.00416.95
8.0.30.0080.00917.04
8.0.20.0140.00517.40
8.0.10.0000.00716.93
8.0.00.0090.00916.68
7.4.330.0000.00515.55
7.4.320.0070.00016.36
7.4.300.0030.00316.44
7.4.290.0040.00416.47
7.4.280.0000.00716.28
7.4.270.0000.00616.54
7.4.260.0000.00716.41
7.4.250.0040.00416.39
7.4.240.0030.00316.49
7.4.230.0040.00416.34
7.4.220.0060.01316.65
7.4.210.0050.00916.50
7.4.200.0040.00416.55
7.4.160.0120.00416.34
7.4.150.0120.00417.40
7.4.140.0130.00517.86
7.4.130.0100.00716.41
7.4.120.0090.01216.53
7.4.110.0110.00816.51
7.4.100.0090.00916.54
7.4.90.0100.00716.46
7.4.80.0100.01019.39
7.4.70.0060.00916.36
7.4.60.0130.00316.29
7.4.50.0090.00616.11
7.4.40.0100.01016.42
7.4.30.0130.00316.27
7.4.10.0100.00714.93
7.4.00.0080.00815.09
7.3.330.0020.00213.02
7.3.320.0050.00013.14
7.3.310.0000.00816.11
7.3.300.0000.00716.14
7.3.290.0030.00316.31
7.3.280.0090.00816.26
7.3.270.0000.01717.40
7.3.260.0080.00816.42
7.3.250.0120.00516.29
7.3.240.0080.01116.45
7.3.230.0070.01016.17
7.3.210.0160.00016.29
7.3.200.0100.00716.47
7.3.190.0040.01216.31
7.3.180.0060.01316.23
7.3.170.0130.00316.37
7.3.160.0120.00316.29
7.3.130.0100.01014.64
7.3.120.0070.01015.02
7.3.110.0030.01514.91
7.3.100.0100.00614.80
7.3.90.0000.00914.82
7.3.80.0030.01015.07
7.3.70.0060.00914.89
7.3.60.0030.01414.68
7.3.50.0030.01414.93
7.3.40.0090.00014.82
7.3.30.0040.01114.77
7.3.20.0070.00716.45
7.3.10.0060.01016.36
7.3.00.0060.00916.38
7.2.330.0070.01016.54
7.2.320.0030.01516.57
7.2.310.0150.00616.64
7.2.300.0110.00716.53
7.2.290.0100.00516.36
7.2.260.0060.01015.15
7.2.250.0070.01015.13
7.2.240.0070.01014.73
7.2.230.0060.01014.86
7.2.220.0070.01014.81
7.2.210.0030.00714.79
7.2.200.0070.00314.91
7.2.190.0030.01214.75
7.2.180.0040.01114.65
7.2.170.0110.00415.01
7.2.160.0030.01014.83
7.2.150.0090.00616.64
7.2.140.0120.00316.81
7.2.130.0120.00016.82
7.2.120.0030.01016.51
7.2.110.0100.00616.49
7.2.100.0110.00816.84
7.2.90.0100.00716.58
7.2.80.0030.01016.96
7.2.70.0100.00516.61
7.2.60.0060.00816.69
7.2.50.0000.01116.85
7.2.40.0060.00916.64
7.2.30.0080.00416.48
7.2.20.0090.00616.87
7.2.10.0040.00416.67
7.2.00.0050.01217.96
7.1.330.0060.00915.27
7.1.320.0070.00715.58
7.1.310.0030.01015.85
7.1.300.0040.00815.67
7.1.290.0090.00015.44
7.1.280.0090.00015.59
7.1.270.0000.01015.48
7.1.260.0080.00615.41
7.1.250.0060.00315.74
7.1.240.0030.01315.73
7.1.230.0030.00915.64
7.1.220.0040.00415.71
7.1.210.0060.00615.50
7.1.200.0070.00715.72
7.1.190.0070.00715.76
7.1.180.0000.01215.39
7.1.170.0000.01315.58
7.1.160.0040.00815.51
7.1.150.0030.00615.60
7.1.140.0040.00415.69
7.1.130.0000.00815.57
7.1.120.0030.00715.60
7.1.110.0000.01315.82
7.1.100.0040.00916.95
7.1.90.0030.00715.45
7.1.80.0000.00815.66
7.1.70.0060.01016.44
7.1.60.0070.01625.27
7.1.50.0090.01125.19
7.1.40.0110.01124.97
7.1.30.0130.01225.09
7.1.20.0090.01525.06
7.1.10.0050.01016.20
7.1.00.0030.01116.11
7.0.330.0070.00715.25
7.0.320.0100.00315.10
7.0.310.0000.00815.38
7.0.300.0000.01114.96
7.0.290.0030.00615.03
7.0.280.0040.00415.36
7.0.270.0070.00715.24
7.0.260.0030.00515.06
7.0.250.0030.00715.36
7.0.240.0000.01514.98
7.0.230.0000.00715.21
7.0.220.0000.01115.42
7.0.210.0100.00015.24
7.0.200.0030.01016.10
7.0.190.0130.00016.16
7.0.180.0070.00515.53
7.0.170.0060.00815.66
7.0.160.0050.00915.71
7.0.150.0060.00715.88
7.0.140.0030.01215.79
7.0.130.0030.01115.90
7.0.120.0050.01015.97
7.0.110.0040.01015.87
7.0.100.0030.01015.64
7.0.90.0050.01015.74
7.0.80.0040.01115.66
7.0.70.0090.00515.75
7.0.60.0100.00715.64
7.0.50.0090.00315.84
7.0.40.0100.00414.90
7.0.30.0130.00114.82
7.0.20.0100.01014.97
7.0.10.0090.00314.94
7.0.00.0030.00814.83
5.6.400.0090.00614.07
5.6.390.0040.00814.32
5.6.380.0080.00413.81
5.6.370.0130.00313.89
5.6.360.0030.00814.07
5.6.350.0060.00314.28
5.6.340.0040.00813.93
5.6.330.0000.00813.97
5.6.320.0000.00914.27
5.6.310.0070.00714.11
5.6.300.0030.00613.98
5.6.290.0000.00814.19
5.6.280.0040.01113.87
5.6.270.0060.00314.04
5.6.260.0090.00314.27
5.6.250.0040.01114.09
5.6.240.0030.01014.07
5.6.230.0080.00414.04
5.6.220.0090.00314.33
5.6.210.0080.00013.98
5.6.200.0060.00614.10
5.6.190.0030.00714.04
5.6.180.0040.01114.24
5.6.170.0000.01314.05
5.6.160.0080.00813.93
5.6.150.0030.01014.04
5.6.140.0090.00614.01
5.6.130.0090.00314.13
5.6.120.0000.01714.12
5.6.110.0030.01013.75
5.6.100.0060.00613.93
5.6.90.0030.01013.84
5.6.80.0060.00614.38
5.6.70.0060.00313.73
5.6.60.0060.00913.91
5.6.50.0000.01314.18
5.6.40.0090.00914.23
5.6.30.0040.01113.86
5.6.20.0090.00614.28
5.6.10.0090.00614.25
5.6.00.0070.00414.05

preferences:
43.15 ms | 401 KiB | 5 Q