3v4l.org

run code in 300+ PHP versions simultaneously
<?php function _hex2bin($hex) { $hex = strtoupper($hex); $hexLen = strlen($hex); $bin = []; for ($i = 0; $i < $hexLen; $i++) { $char = $hex[$i]; $bin[] = str_pad(base_convert($char, 16, 2), 4, '0', STR_PAD_LEFT); } return implode("", $bin); } echo _hex2bin("152F302436152F302435152F302434152F302433152F302433");

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)
8.3.70.0070.01018.55
8.3.60.0100.00716.63
8.3.50.0110.00416.36
8.3.40.0070.00718.80
8.3.30.0000.01418.81
8.3.20.0040.00420.16
8.3.10.0000.00823.64
8.3.00.0000.00723.52
8.2.190.0040.01116.58
8.2.180.0180.00016.50
8.2.170.0110.01122.96
8.2.160.0030.01020.47
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0030.00520.35
8.2.120.0040.00426.35
8.2.110.0030.00721.05
8.2.100.0100.00317.91
8.2.90.0040.00419.10
8.2.80.0050.00317.97
8.2.70.0050.00517.50
8.2.60.0030.00518.16
8.2.50.0000.00818.07
8.2.40.0080.00020.00
8.2.30.0080.00018.12
8.2.20.0050.00218.01
8.2.10.0050.00218.05
8.2.00.0000.00818.05
8.1.280.0040.01125.92
8.1.270.0080.00023.88
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00720.99
8.1.230.0110.00017.89
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0030.00617.23
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0000.01118.54
8.1.160.0000.00718.84
8.1.150.0030.00620.61
8.1.140.0000.00717.53
8.1.130.0030.00518.83
8.1.120.0030.00417.34
8.1.110.0060.00317.29
8.1.100.0030.00617.32
8.1.90.0040.00417.36
8.1.80.0070.00017.33
8.1.70.0000.00717.29
8.1.60.0050.00317.62
8.1.50.0040.00417.52
8.1.40.0030.00617.59
8.1.30.0040.00417.59
8.1.20.0080.00317.64
8.1.10.0040.00417.48
8.1.00.0040.00417.56
8.0.300.0000.00718.77
8.0.290.0030.00516.62
8.0.280.0000.00718.36
8.0.270.0070.00016.86
8.0.260.0070.00016.84
8.0.250.0000.00616.95
8.0.240.0040.00416.96
8.0.230.0080.00016.92
8.0.220.0000.00716.73
8.0.210.0000.00716.80
8.0.200.0070.00016.83
8.0.190.0080.00016.77
8.0.180.0050.00316.77
8.0.170.0000.00816.83
8.0.160.0080.00016.79
8.0.150.0070.00016.76
8.0.140.0000.00716.69
8.0.130.0060.00013.34
8.0.120.0020.00516.76
8.0.110.0040.00416.78
8.0.100.0080.00016.84
8.0.90.0000.00716.70
8.0.80.0040.01116.81
8.0.70.0040.00416.90
8.0.60.0080.00016.83
8.0.50.0000.00716.88
8.0.30.0130.00717.17
8.0.20.0080.01217.41
8.0.10.0000.00717.02
8.0.00.0070.01016.54
7.4.330.0000.00516.69
7.4.320.0000.00716.47
7.4.300.0000.00616.52
7.4.290.0040.00416.59
7.4.280.0050.00216.54
7.4.270.0080.00016.51
7.4.260.0000.00816.57
7.4.250.0030.00316.47
7.4.240.0040.00416.49
7.4.230.0050.00316.68
7.4.220.0030.00316.44
7.4.210.0070.01316.66
7.4.200.0000.00716.37
7.4.160.0060.01116.57
7.4.150.0080.01317.40
7.4.140.0100.00817.86
7.4.130.0110.00716.35
7.4.120.0150.00516.51
7.4.110.0140.01016.48
7.4.100.0080.00916.55
7.4.90.0000.01816.59
7.4.80.0100.00619.39
7.4.70.0140.00416.73
7.4.60.0080.00816.41
7.4.50.0150.00016.52
7.4.40.0070.01416.43
7.4.30.0030.01816.76
7.4.00.0040.01114.85
7.3.330.0000.00613.37
7.3.320.0000.00513.32
7.3.310.0030.00316.48
7.3.300.0000.00716.39
7.3.290.0070.00816.33
7.3.280.0100.00716.36
7.3.270.0160.00717.40
7.3.260.0090.00916.55
7.3.250.0110.00616.38
7.3.240.0140.00616.37
7.3.230.0170.00716.21
7.3.210.0130.00316.39
7.3.200.0100.01016.43
7.3.190.0100.01016.39
7.3.180.0120.00916.48
7.3.170.0110.00516.38
7.3.160.0060.01016.46
7.2.330.0080.00816.88
7.2.320.0030.01616.53
7.2.310.0110.00616.55
7.2.300.0090.01016.58
7.2.290.0080.00816.58
7.2.60.0110.00316.87
7.1.200.0100.00315.66
7.1.110.0060.00918.07
7.1.100.0000.01418.00
7.1.90.0070.00718.11
7.1.80.0080.00818.20
7.1.70.0120.00417.16
7.1.60.0200.01335.03
7.1.50.0160.01634.94
7.1.40.0160.02334.43
7.1.30.0110.02834.41
7.1.20.0260.00634.47
7.1.10.0030.01216.65
7.1.00.0090.00616.74
7.0.250.0060.00917.58
7.0.240.0060.00917.97
7.0.230.0030.00917.85
7.0.220.0100.00717.45
7.0.210.0090.00616.86
7.0.200.0060.00916.69
7.0.190.0090.00616.80
7.0.180.0060.00916.34
7.0.170.0030.01516.24
7.0.160.0040.01116.35
7.0.150.0000.01416.24
7.0.140.0060.00916.12
7.0.130.0070.00716.70
7.0.120.0040.01116.29
7.0.110.0070.00716.18
7.0.100.0110.00416.50
7.0.90.0030.01216.27
7.0.80.0120.00616.54
7.0.70.0030.01016.31
7.0.60.0060.00616.09
7.0.50.0060.00616.10
7.0.40.0040.00816.65
7.0.30.0030.00916.69
7.0.20.0030.01316.36
7.0.10.0100.00616.45
7.0.00.0120.00316.38

preferences:
58.08 ms | 401 KiB | 5 Q