Web Coding Center
PHP
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More String
Excluded Information
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AJAX
Synopsis
Retrieving a Static File
Synchronous Transfer POST
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Upload Progress and FormData
PHP New Features
Constant Scalar Expressions
Variadic Functions
Argument Unpacking
Exponentiation
use function and use const
hash_equals
debuginfo
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ASCII Code
chr($i)
returns a character specified by the ASCII code $i.
ord($s)
returns the ASCII value of the first character of $s.