int strcasecmp ( string $str1 , string $str2 ) This means thatstrcasecmp()function accepts two string (comma separated) as input to compare and returns an int (integer). See the following table to understand the above function definition in an easy way: ...
Find the position of the last occurrence of a case-insensitive substring in a string 计算指定字符串在目标字符串中最后一次出现的位置(不区分大小写) strrpos() Find the position of the last occurrence of a substring in a string 计算指定字符串在目标字符串中最后一次出现的位置 strspn() Finds the l...
soundex — Calculate the soundex key of a string sprintf — Return a formatted string sscanf — Parses input from a string according to a format str_getcsv — Parse a CSV string into an array str_ireplace — Case-insensitive version of str_replace(). str_pad — Pad a string to a cert...
示例#1 strncasecmp() 示例 <?php$var1 = 'Hello John';$var2 = 'hello Doe';if (strncasecmp($var1, $var2, 5) === 0) { echo 'First 5 characters of $var1 and $var2 are equals in a case-insensitive string comparison';}?>参见...
>0 - if string1 is greater than string2 PHP Version:4.0.2+ More Examples Example Compare two strings (case-insensitive = Hello and hELLo will output the same): <?php echostrncasecmp("Hello","Hello",6); echo""; echostrncasecmp("Hello","hELLo",6); ?> Try...
substr_replace(string $string, string $replacement, int $start, ?int $length): 这个用法是将字符串$string中从$start位置开始的$length个字符替换为$replacement字符串。 substr_compare(string $string1, string $string2, int $start, ?int $length, bool $case_insensitive): 这个用法是比较两个字符串$...
sprintf() Writes a formatted string to a variable sscanf() Parses input from a string according to a format str_getcsv() Parses a CSV string into an array str_ireplace() Replaces some characters in a string (case-insensitive) str_pad() Pads a string to a new length str_repeat() ...
Perform case-insensitive comparison of string values while checking keys. case_insensitive.php <?php declare(strict_types=1); function case_insensitive_compare($a, $b): int { return strcasecmp($a, $b); } $array1 = ["A" => "Apple", "B" => "Banana"]; ...
substr_compare(main_string, compare_string, star_pos, length, case_insensitivity) Parameters: Return value: 0 : If two main_string=compare_string <0 : if the length of the main_string from the starting position is less than the compare_string ...
Perform a case-insensitive comparison of string arrays. case_insensitive.php <?php declare(strict_types=1); function compareStrings(string $a, string $b): int { return strcasecmp($a, $b); } $array1 = ["Apple", "Banana", "Cherry"]; $array2 = ["apple", "banana", "grape"]; $...