php stristr() function
Translation results:
英[strɪŋ] 美[strɪŋ]
n.String; rope, belt; thread, plant fiber; [Computer Science] String
vt. Winding, tuning; To line up in a line or a series; to tie, tie or hang with a thread; to extend or extend
Third person singular: strings Plural: strings Present participle: stringing Past tense: strung Past participle: strung
php stristr() functionsyntax
Function: Returns the string from the beginning to the end of a string in another string, case-insensitive
Syntax: stristr(string ,search,before_search
Parameters:
Description | |
Required. Specifies the string to be searched. | |
Required. Specifies the string to be searched. If the parameter is a number, search for characters matching the ASCII value corresponding to the number. | |
Optional. The default value is a Boolean value of "false". If set to "true", it will return the part of the string before the first occurrence of the search parameter. |
Note: The search string is in another The first occurrence in a string. This function is binary safe. This function is not case-sensitive. For case-sensitive searches, use the strstr() function.
php stristr() functionexample
<?php echo stristr("Hello php.cn!","php"); ?>
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Output:
php.cn!
<?php echo stristr("i study php in php.cn!","study"); ?>
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Output:
study php in php.cn!