3v4l.org

run code in 300+ PHP versions simultaneously
<?php $nibble1 = hexdec('3'); echo dechex($nibble1); // '6'

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)
8.3.60.0120.00318.43
8.3.50.0070.01016.01
8.3.40.0100.01018.54
8.3.30.0120.00318.69
8.3.20.0080.00024.18
8.3.10.0070.00024.66
8.3.00.0040.00426.16
8.2.180.0120.00625.92
8.2.170.0040.01118.90
8.2.160.0070.00722.96
8.2.150.0050.00225.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00426.35
8.2.110.0090.00022.01
8.2.100.0040.00717.84
8.2.90.0000.00817.75
8.2.80.0060.00318.66
8.2.70.0060.00318.04
8.2.60.0000.00818.22
8.2.50.0060.00318.10
8.2.40.0090.00021.05
8.2.30.0000.01019.30
8.2.20.0000.00718.08
8.2.10.0000.00819.05
8.2.00.0030.00519.24
8.1.280.0120.00325.92
8.1.270.0040.00423.99
8.1.260.0110.00828.09
8.1.250.0070.00028.09
8.1.240.0070.00419.27
8.1.230.0110.00017.83
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0000.00817.25
8.1.180.0050.00518.10
8.1.170.0050.00318.59
8.1.160.0040.00418.70
8.1.150.0070.00018.87
8.1.140.0000.00718.75
8.1.130.0000.00820.07
8.1.120.0040.00417.38
8.1.110.0080.00317.37
8.1.100.0070.00017.39
8.1.90.0000.00717.25
8.1.80.0070.00017.32
8.1.70.0070.00017.41
8.1.60.0000.00817.54
8.1.50.0030.00717.36
8.1.40.0000.00717.50
8.1.30.0000.00717.43
8.1.20.0040.00417.53
8.1.10.0040.00417.53
8.1.00.0050.00317.44
8.0.300.0050.00318.77
8.0.290.0050.00316.61
8.0.280.0000.00718.30
8.0.270.0000.00716.81
8.0.260.0030.00618.32
8.0.250.0060.00316.98
8.0.240.0000.00816.93
8.0.230.0040.00316.93
8.0.220.0040.00416.80
8.0.210.0000.00616.71
8.0.200.0040.00416.82
8.0.190.0040.00416.79
8.0.180.0030.00316.91
8.0.170.0050.00316.84
8.0.160.0040.00416.82
8.0.150.0040.00416.75
8.0.140.0030.00416.67
8.0.130.0050.00013.32
8.0.120.0050.00316.79
8.0.110.0060.00316.89
8.0.100.0040.00416.71
8.0.90.0000.00716.66
8.0.80.0080.00916.78
8.0.70.0080.00016.69
8.0.60.0040.00316.82
8.0.50.0070.00016.80
8.0.30.0390.02016.57
8.0.20.0220.00616.63
8.0.10.0170.01616.62
8.0.00.0220.01116.86
7.4.330.0000.00515.55
7.4.320.0070.00016.50
7.4.300.0000.00716.43
7.4.290.0000.00716.35
7.4.280.0000.00816.47
7.4.270.0040.00416.56
7.4.260.0050.00013.21
7.4.250.0030.00316.39
7.4.240.0050.00316.45
7.4.230.0070.00016.34
7.4.220.0000.00716.51
7.4.210.0090.00616.48
7.4.200.0030.00316.42
7.4.160.0410.01316.19
7.4.150.0250.00616.25
7.4.140.0230.00616.20
7.4.130.0210.00916.48
7.4.120.0160.00916.11
7.4.110.0260.00016.40
7.4.100.0250.01516.18
7.4.90.0200.00716.30
7.4.80.0170.01416.24
7.4.70.0250.00816.14
7.4.60.0320.00516.37
7.4.50.0250.00616.31
7.4.40.0210.01016.12
7.4.30.0120.01616.14
7.4.20.0250.00716.24
7.4.10.0220.00916.30
7.4.00.0320.00016.29
7.3.330.0040.00415.98
7.3.320.0050.00013.07
7.3.310.0030.00315.99
7.3.300.0040.00416.15
7.3.290.0070.00916.14
7.3.280.0110.00716.03
7.3.270.0260.00715.92
7.3.260.0380.01316.07
7.3.250.0230.00816.01
7.3.240.0160.00815.99
7.3.230.0140.01016.07
7.3.220.0230.00615.96
7.3.210.0220.00915.95
7.3.200.0210.00816.08
7.3.190.0420.00816.04
7.3.180.0140.01415.94
7.3.170.0190.00915.94
7.3.160.0230.00516.00
7.3.150.0220.01915.98
7.3.140.0220.01115.99
7.3.130.0210.01016.04
7.3.120.0280.00316.06
7.3.110.0410.00915.93
7.3.100.0130.01315.89
7.3.90.0270.00716.27
7.3.80.0300.00315.95
7.3.70.0220.00716.21
7.3.60.0170.00916.27
7.3.50.0290.00716.24
7.3.40.0380.00916.28
7.3.30.0270.01016.16
7.3.20.0210.00716.13
7.3.10.0270.00016.19
7.3.00.0210.01416.06

preferences:
62.98 ms | 401 KiB | 5 Q