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]; if ($char == '0') $bin[] = "0000"; else if ($char == '1') $bin[] = "0001"; else if ($char == '2') $bin[] = "0010"; else if ($char == '3') $bin[] = "0011"; else if ($char == '4') $bin[] = "0100"; else if ($char == '5') $bin[] = "0101"; else if ($char == '6') $bin[] = "0110"; else if ($char == '7') $bin[] = "0111"; else if ($char == '8') $bin[] = "1000"; else if ($char == '9') $bin[] = "1001"; else if ($char == 'A') $bin[] = "1010"; else if ($char == 'B') $bin[] = "1011"; else if ($char == 'C') $bin[] = "1100"; else if ($char == 'D') $bin[] = "1101"; else if ($char == 'E') $bin[] = "1110"; else if ($char == 'F') $bin[] = "1111"; else $bin[] = "0000"; } 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)
8.3.70.0090.00618.31
8.3.60.0140.00416.63
8.3.50.0110.00416.28
8.3.40.0120.00318.58
8.3.30.0120.00618.84
8.3.20.0000.00720.34
8.3.10.0000.00823.71
8.3.00.0000.00823.64
8.2.190.0060.00920.02
8.2.180.0120.00916.50
8.2.170.0090.00622.96
8.2.160.0100.00320.35
8.2.150.0070.00324.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00420.98
8.2.110.0060.00322.22
8.2.100.0090.00317.91
8.2.90.0000.00818.03
8.2.80.0000.00818.22
8.2.70.0040.00417.75
8.2.60.0040.00417.50
8.2.50.0060.00317.55
8.2.40.0080.00017.91
8.2.30.0040.00421.10
8.2.20.0070.00018.12
8.2.10.0040.00418.01
8.2.00.0040.00418.13
8.1.280.0150.00325.92
8.1.270.0030.00623.96
8.1.260.0030.00626.35
8.1.250.0060.00328.09
8.1.240.0100.00017.35
8.1.230.0080.00320.95
8.1.220.0080.00017.79
8.1.210.0030.00618.77
8.1.200.0040.00417.23
8.1.190.0070.00516.52
8.1.180.0040.00418.10
8.1.170.0080.00017.62
8.1.160.0000.00718.77
8.1.150.0000.00718.88
8.1.140.0040.00417.71
8.1.130.0050.00317.42
8.1.120.0030.00517.55
8.1.110.0040.00417.45
8.1.100.0060.00317.49
8.1.90.0040.00417.36
8.1.80.0030.00517.40
8.1.70.0000.00717.34
8.1.60.0050.00317.63
8.1.50.0040.00417.55
8.1.40.0000.00817.57
8.1.30.0040.00417.49
8.1.20.0000.00917.66
8.1.10.0000.00817.52
8.1.00.0050.00317.54
8.0.300.0040.00419.93
8.0.290.0130.00216.58
8.0.280.0030.00318.46
8.0.270.0030.00617.28
8.0.260.0050.00316.89
8.0.250.0060.00316.99
8.0.240.0030.00316.99
8.0.230.0030.00316.90
8.0.220.0040.00416.74
8.0.210.0030.00316.81
8.0.200.0000.00916.77
8.0.190.0050.00216.95
8.0.180.0040.00416.91
8.0.170.0050.00316.80
8.0.160.0030.00316.85
8.0.150.0080.00016.82
8.0.140.0030.00516.81
8.0.130.0000.00513.26
8.0.120.0000.00716.79
8.0.110.0000.00716.68
8.0.100.0060.00316.64
8.0.90.0040.00416.67
8.0.80.0090.00616.86
8.0.70.0000.00716.82
8.0.60.0000.00816.75
8.0.50.0040.00416.93
8.0.30.0090.00617.14
8.0.20.0090.01217.40
8.0.10.0000.00717.00
8.0.00.0070.01417.03
7.4.330.0000.00516.66
7.4.320.0000.00616.63
7.4.300.0030.00316.50
7.4.290.0030.00316.46
7.4.280.0030.00516.40
7.4.270.0040.00416.51
7.4.260.0070.00016.49
7.4.250.0040.00416.41
7.4.240.0000.00716.61
7.4.230.0080.00016.71
7.4.220.0090.00916.47
7.4.210.0180.00316.62
7.4.200.0070.00016.70
7.4.160.0100.00716.47
7.4.150.0090.00917.40
7.4.140.0150.00817.86
7.4.130.0100.00716.71
7.4.120.0090.01016.43
7.4.110.0110.01216.42
7.4.100.0110.01116.30
7.4.90.0070.01016.64
7.4.80.0100.01019.39
7.4.70.0080.00816.61
7.4.60.0130.00316.48
7.4.50.0100.00316.34
7.4.40.0110.00616.66
7.4.30.0070.01016.44
7.4.00.0030.01214.67
7.3.330.0060.00013.25
7.3.320.0030.00313.33
7.3.310.0030.00316.24
7.3.300.0000.00716.34
7.3.290.0090.00516.38
7.3.280.0060.01016.37
7.3.270.0070.01117.40
7.3.260.0120.00516.46
7.3.250.0170.01416.53
7.3.240.0120.00816.62
7.3.230.0090.00916.35
7.3.210.0030.01416.54
7.3.200.0080.01216.37
7.3.190.0090.00616.47
7.3.180.0020.00116.50
7.3.170.0070.01016.55
7.3.160.0130.00316.47
7.3.120.0070.01014.79
7.3.110.0100.00714.80
7.3.100.0060.00615.13
7.3.90.0040.01115.04
7.3.80.0000.01014.89
7.3.70.0130.00014.71
7.3.60.0040.00714.70
7.3.50.0100.00314.76
7.3.40.0080.00814.64
7.3.30.0080.00314.83
7.3.20.0100.00016.63
7.3.10.0030.00716.75
7.3.00.0040.00816.67
7.2.330.0130.00316.79
7.2.320.0070.01416.76
7.2.310.0000.01716.85
7.2.300.0190.00016.66
7.2.290.0140.00516.84
7.2.250.0030.01615.27
7.2.240.0060.01314.91
7.2.230.0030.01315.26
7.2.220.0100.00615.05
7.2.210.0040.01115.18
7.2.200.0060.00615.22
7.2.190.0060.00615.02
7.2.180.0000.01215.21
7.2.170.0030.01315.04
7.2.60.0060.00916.95
7.2.30.0130.01818.02
7.2.20.0120.01317.75
7.2.10.0110.01517.86
7.2.00.0080.01317.95
7.1.330.0100.00615.55
7.1.320.0110.00416.05
7.1.310.0080.00015.89
7.1.300.0040.00715.65
7.1.290.0040.00915.77
7.1.280.0060.00915.80
7.1.270.0110.00015.82
7.1.260.0070.00315.99
7.1.200.0110.00715.56
7.1.150.0100.01517.06
7.1.140.0140.01316.91
7.1.130.0090.01716.83
7.1.120.0110.01016.97
7.1.110.0130.00816.23
7.1.100.0190.00516.39
7.1.90.0140.01316.34
7.1.80.0100.01116.24
7.1.70.0100.01015.37
7.1.60.0320.01233.19
7.1.50.0300.01732.96
7.1.40.0300.01532.69
7.1.30.0290.01632.70
7.1.20.0330.01332.66
7.1.10.0090.01414.79
7.1.00.0120.00714.80
7.0.270.0700.01216.75
7.0.260.0120.00916.75
7.0.250.0080.01316.07
7.0.240.0130.01215.83
7.0.230.0140.00816.07
7.0.220.0130.01115.87
7.0.210.0130.00814.81
7.0.200.0150.00814.96
7.0.190.0130.01114.90
7.0.180.0090.01414.52
7.0.170.0150.01014.55
7.0.160.0160.00714.62
7.0.150.0120.00914.53
7.0.140.0130.01214.62
7.0.130.0110.01014.69
7.0.120.0130.01014.88
7.0.110.0160.01414.68
7.0.100.0100.01214.49
7.0.90.0610.01015.35
7.0.80.0100.01015.56
7.0.70.0060.01215.55
7.0.60.0090.00915.34
7.0.50.0130.00815.45
7.0.40.0090.00915.50
7.0.30.0080.00915.70
7.0.20.0100.01115.53
7.0.10.0090.01315.46
7.0.00.0080.01315.52

preferences:
49.08 ms | 401 KiB | 5 Q