3v4l.org

run code in 300+ PHP versions simultaneously
<?php $nibble1 = hexdec('0x8000000'); echo dechex($nibble1); //

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)
8.3.60.0040.01118.18
8.3.50.0140.00716.28
8.3.40.0030.01718.79
8.3.30.0140.00718.53
8.3.20.0080.00024.18
8.3.10.0040.00424.66
8.3.00.0000.00726.16
8.2.180.0070.01125.92
8.2.170.0000.01418.79
8.2.160.0110.00422.96
8.2.150.0080.00025.66
8.2.140.0080.00024.66
8.2.130.0110.00726.16
8.2.120.0040.01226.16
8.2.110.0030.00620.56
8.2.100.0090.00317.78
8.2.90.0080.00017.60
8.2.80.0040.00418.78
8.2.70.0060.00317.63
8.2.60.0000.00817.80
8.2.50.0030.00518.05
8.2.40.0070.00018.16
8.2.30.0090.00018.06
8.2.20.0040.00417.97
8.2.10.0080.00019.17
8.2.00.0060.00319.05
8.1.280.0150.00625.92
8.1.270.0150.00022.14
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00020.73
8.1.230.0040.00722.11
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0050.00317.10
8.1.180.0050.00518.10
8.1.170.0030.00620.37
8.1.160.0000.00718.91
8.1.150.0000.00818.85
8.1.140.0070.00018.81
8.1.130.0070.00020.13
8.1.120.0040.00417.36
8.1.110.0060.00317.41
8.1.100.0050.00217.38
8.1.90.0040.00417.44
8.1.80.0050.00217.40
8.1.70.0030.00517.24
8.1.60.0040.00417.53
8.1.50.0080.00417.46
8.1.40.0000.00817.35
8.1.30.0080.00017.54
8.1.20.0060.00317.41
8.1.10.0000.00717.41
8.1.00.0000.00717.41
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00618.44
8.0.270.0030.00317.88
8.0.260.0000.00718.34
8.0.250.0050.00316.87
8.0.240.0000.00716.86
8.0.230.0030.00316.92
8.0.220.0000.01016.71
8.0.210.0000.00716.82
8.0.200.0040.00416.77
8.0.190.0070.00016.91
8.0.180.0040.00416.85
8.0.170.0090.00016.88
8.0.160.0040.00416.77
8.0.150.0040.00416.69
8.0.140.0000.00716.82
8.0.130.0050.00013.25
8.0.120.0000.00816.83
8.0.110.0070.00016.75
8.0.100.0040.00416.86
8.0.90.0000.00716.88
8.0.80.0090.01016.84
8.0.70.0040.00416.80
8.0.60.0040.00416.80
8.0.50.0050.00316.81
8.0.30.0210.01316.84
8.0.20.0210.01416.93
8.0.10.0250.00716.81
8.0.00.0280.00716.95
7.4.330.0000.00415.55
7.4.320.0060.00016.52
7.4.300.0030.00316.38
7.4.290.0040.00416.30
7.4.280.0080.00016.54
7.4.270.0070.00016.37
7.4.260.0030.00313.20
7.4.250.0030.00316.42
7.4.240.0040.00316.53
7.4.230.0050.00216.51
7.4.220.0020.00516.30
7.4.210.0020.01216.46
7.4.200.0000.00716.52
7.4.160.0200.01016.40
7.4.150.0250.00516.41
7.4.140.0270.00516.30
7.4.130.0290.01116.49
7.4.120.0210.01116.29
7.4.110.0330.00016.57
7.4.100.0400.00516.55
7.4.90.0270.00716.42
7.4.80.0240.00916.46
7.4.70.0360.00916.48
7.4.60.0220.01116.35
7.4.50.0190.00916.23
7.4.40.0250.00616.33
7.4.30.0120.02016.24
7.4.20.0340.01316.48
7.4.10.0460.00516.46
7.4.00.0150.01516.38
7.3.330.0040.00416.21
7.3.320.0020.00213.15
7.3.310.0000.00716.06
7.3.300.0070.00016.15
7.3.290.0080.00816.20
7.3.280.0060.00916.18
7.3.270.0410.01216.11
7.3.260.0230.00716.23
7.3.250.0250.00716.16
7.3.240.0150.01916.09
7.3.230.0250.00416.17
7.3.220.0270.00816.04
7.3.210.0310.00616.18
7.3.200.0310.00616.06
7.3.190.0230.01216.06
7.3.180.0280.00616.13
7.3.170.0370.01016.05
7.3.160.0260.01316.05
7.3.150.0210.01216.13
7.3.140.0250.00916.16
7.3.130.0260.00316.22
7.3.120.0240.00816.03
7.3.110.0280.00015.92
7.3.100.0230.00315.89
7.3.90.0400.00216.39
7.3.80.0290.00716.17
7.3.70.0210.01216.21
7.3.60.0150.01216.33
7.3.50.0290.00516.41
7.3.40.0180.01316.39
7.3.30.0260.01116.27
7.3.20.0390.00016.23
7.3.10.0130.01816.22
7.3.00.0240.01016.13

preferences:
66.61 ms | 401 KiB | 5 Q