How php converts data to binary

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Conversion to binary methods: 1, the use of decbin () function, you can convert decimal to binary, syntax "decbin (" decimal value ")"; 2, with base_convert () function, you can convert any other binary to binary, syntax "base_convert (" data value ", original value, 2)".

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

Conversion between binary number and decimal number

1. Convert a decimal number to a binary number

You can use the decbin (decimal value) function, which converts a decimal number to a binary number.

Output result:

2. Convert any other binary number to binary number

You can use the base_convert () function to convert numbers from any base to another.

Syntax:

Base_convert (number,frombase,tobase); parameter description number is required. Specify the number to be converted. Frombase is required. Specify the original base of the number. Between 2 and 36 (inclusive). Numbers higher than decimal are denoted by the letter amurz, for example, a for 10, b for 11, and z for 35. Tobase is required. Specify the base to be converted. Between 2 and 36 (inclusive). Numbers higher than decimal are denoted by the letter amurz, for example, a for 10, b for 11, and z for 35.

Just set the parameter tobase to 2 to convert any other binary to a binary number

Example:

Output result:

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