这个 IntlChar::ord() 函数是PHP中的一个内置函数,用于返回给定字符的Unicode代码点值。
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语法:
int IntlChar::ord( $character )
参数: 此函数只接受一个参数 $character 这是强制性的。此参数是Unicode字符。 返回值: 它以整数形式返回Unicode代码点值。
下面的程序说明了 IntlChar::ord() PHP中的函数:
项目1:
PHP
<?php // PHP function to illustrate // the use of IntlChar::ord() // Input int codepoint value var_dump(IntlChar::ord( "4" )); // Input character codepoint value var_dump(IntlChar::ord( "B" )); // Input character codepoint value var_dump(IntlChar::ord( "b" )); //Input int codepoint value var_dump(IntlChar::ord( "2018" )); // Input character codepoint value var_dump(IntlChar::ord( "Geeks" )); // Input symbole codepoint value var_dump(IntlChar::ord( "@" )); // Input symbole codepoint value var_dump(IntlChar::ord( "*" )); // Input space codepoint value var_dump(IntlChar::ord( " " )); ?> |
输出:
int(52)int(66)int(98)NULLNULLint(64)int(42)int(32)
项目2:
PHP
<?php // PHP function to illustrate the // use of IntlChar::ord() // Declare an array with // different codepoint value $arr = array ( "X" , "x" , "*" , "8" , "0" , " " , "&" , ")" , "99" , ); // For loop condition to check // each character through function foreach ( $arr as $val ) { // Check each element as code point data var_dump(IntlChar::ord( $val )); } ?> |
输出:
int(88)int(120)int(42)int(56)int(48)int(32)int(38)int(41)NULL
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参考: http://php.net/manual/en/intlchar.ord.php
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