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php method to convert numbers to strings: 1. Add the target type "(string)" enclosed in parentheses before the numeric variable to be converted, the syntax is "(string)$num"; 2 , use strval() function, syntax "strval($num)".
The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer
php converts numbers For string type
#Method 1: Add the target type enclosed in parentheses "(string)
"# before the numeric variable to be converted.
( string): It is forced to convert to string type;
<?php header("Content-type:text/html;charset=utf-8"); $num = 12354; echo '原变量类型为:' . gettype($num) . '<br>'; $str = (string)$num; echo '转换后的变量类型为:' . gettype($str) . '<br><br>'; $num = 123.54; echo '原变量类型为:' . gettype($num) . '<br>'; $str = (string)$num; echo '转换后的变量类型为:' . gettype($str) . '<br><br>'; ?>
strval() function is used to get the string value of a variable.
<?php header("Content-type:text/html;charset=utf-8"); $num = 3.1415; echo '原变量类型为:' . gettype($num) . '<br>'; $str = strval($num); echo '转换后的变量类型为:' . gettype($str) . '<br><br>'; $num = 31415; echo '原变量类型为:' . gettype($num) . '<br>'; $str = strval($num); echo '转换后的变量类型为:' . gettype($str) . '<br><br>'; ?>
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